/* ==========================================================================
   LÊ TUẤN VIỆT — PORTFOLIO
   Font: Be Vietnam Pro · Bảng màu: Sky Luxury — navy sâu #0A0D1C · navy #233A69 · xanh trời #A2C4FE
   (khớp logo LTV cyan → xanh hoàng gia và bầu trời trong hero)
   Quy tắc chữ: tiêu đề luôn 1 dòng (data-fit tự co) · mô tả chữ nhỏ, căn đều, tối đa 4 dòng (.desc)
   ========================================================================== */

:root {
  /* Tên biến giữ nguyên để không phải sửa component — giá trị đã đổi sang bảng màu mới */
  --ivory: #F5F8FF;        /* nền sáng: trắng pha trời */
  --ivory-2: #EAF1FD;
  --greige: #D3E2FB;       /* xanh trời rất nhạt */
  --taupe: #A2C4FE;        /* xanh periwinkle */
  --stone: #6F8BC0;
  --ink: #0C1633;          /* navy — chữ chính */
  --ink-2: #26375F;
  --ink-3: #54678F;
  --espresso: #0A0D1C;     /* navy đen — nền tối */
  --navy: #233A69;
  --blue: #1B5CF2;         /* xanh hoàng gia của logo */
  --sky: #2F8CFF;          /* xanh bầu trời hero */
  --cyan: #14D8E6;         /* cyan đầu logo */

  /* bộ ba RGB để pha độ trong suốt: rgb(var(--ink-rgb) / .12) */
  --ink-rgb: 12 22 51;
  --ivory-rgb: 245 248 255;
  --shadow-rgb: 16 30 72;
  --taupe-rgb: 162 196 254;
  --greige-rgb: 211 226 251;
  --blue-rgb: 27 92 242;
  --cyan-rgb: 20 216 230;

  --line: rgb(var(--ink-rgb) / .12);
  --line-2: rgb(var(--ink-rgb) / .07);
  --line-light: rgb(var(--ivory-rgb) / .14);

  --grad-brand: linear-gradient(120deg, #14E0E0 0%, #1AA6FF 30%, #1B5CF2 62%, #1C2E94 100%);
  --grad-lux: linear-gradient(135deg, #F5F8FF 0%, #E3EDFE 34%, #C7DBFE 66%, #A2C4FE 100%);
  --grad-lux-soft: linear-gradient(160deg, #F7FAFF 0%, #EDF3FE 55%, #DEE9FD 100%);
  --grad-text: linear-gradient(100deg, #0C1633 0%, #1D3C94 52%, #2F7BF5 100%);
  --grad-text-light: linear-gradient(100deg, #F5F8FF 0%, #BCD5FF 50%, #7CB4FF 100%);
  --grad-sheen: linear-gradient(115deg, #A2C4FE 0%, #F5F8FF 30%, #6FD9FF 55%, #A2C4FE 80%, #F5F8FF 100%);
  --grad-dark: radial-gradient(70% 60% at 100% 100%, rgb(var(--taupe-rgb) / .2), transparent 70%), linear-gradient(150deg, #0A0D1C 0%, #111B3A 45%, #1A2B58 78%, #243E78 100%);
  --grad-deep: linear-gradient(135deg, #0E1428 0%, #26396A 48%, #5B7CC2 78%, #A2C4FE 100%);
  --grad-btn: linear-gradient(120deg, #0C1633 0%, #182C63 55%, #22408A 100%);
  --grad-btn-hover: linear-gradient(120deg, #2F8CFF 0%, #1B5CF2 45%, #1A2F8A 100%);

  --font: 'Be Vietnam Pro', system-ui, -apple-system, 'Segoe UI', Roboto, Arial, sans-serif;
  --hand: 'Playwrite VN', 'Segoe Script', 'Brush Script MT', cursive;

  --r-sm: 14px;
  --r-md: 20px;
  --r-lg: 28px;
  --r-xl: 38px;
  --shadow-card: 0 1px 0 rgba(255, 255, 255, .85) inset, 0 30px 60px -38px rgb(var(--shadow-rgb) / .38), 0 8px 18px -12px rgb(var(--shadow-rgb) / .14);
  --shadow-float: 0 40px 80px -40px rgb(var(--shadow-rgb) / .55);
  --ease: cubic-bezier(.22, 1, .36, 1);
  --ease-io: cubic-bezier(.65, 0, .35, 1);
  --gutter: clamp(18px, 4vw, 44px);
  --maxw: 1260px;
  --nav-h: 76px;
}

/* ------------------------------ Reset ------------------------------ */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; text-size-adjust: 100%; }
html.smooth { scroll-behavior: smooth; }
body {
  margin: 0; font-family: var(--font); font-size: 16px; line-height: 1.65; color: var(--ink);
  background: var(--ivory); -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility; overflow-x: hidden;
}
body.is-loading { overflow: hidden; }
img, svg, canvas, video { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; background: none; border: 0; padding: 0; cursor: pointer; }
h1, h2, h3, h4, p, ul, ol, figure, blockquote { margin: 0; }
ul, ol { padding: 0; list-style: none; }
::selection { background: var(--blue); color: #fff; }
[hidden] { display: none !important; }
:focus-visible { outline: 2px solid var(--blue); outline-offset: 3px; border-radius: 8px; }
.sr-only { position: absolute !important; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0; }
.skip-link { position: fixed; left: 16px; top: -60px; z-index: 1000; background: var(--ink); color: var(--ivory); padding: 10px 18px; border-radius: 999px; transition: top .3s; }
.skip-link:focus { top: 16px; }

/* ------------------------------ Layout ------------------------------ */
.container { width: 100%; max-width: var(--maxw); margin-inline: auto; padding-inline: var(--gutter); }
.section { position: relative; padding-block: clamp(92px, 11vw, 156px); }
.sec-ivory { background: radial-gradient(55% 45% at 100% 0%, rgb(var(--taupe-rgb) / .2), transparent 70%), radial-gradient(40% 40% at 0% 100%, rgb(var(--cyan-rgb) / .05), transparent 70%), var(--ivory); }
.sec-lux { background: radial-gradient(50% 45% at 0% 0%, rgb(var(--cyan-rgb) / .07), transparent 70%), radial-gradient(60% 55% at 100% 100%, rgb(var(--taupe-rgb) / .34), transparent 70%), var(--grad-lux-soft); }
.sec-dark { background: var(--grad-dark); color: var(--ivory); }
main > section:not(.hero), .footer { z-index: 3; }

/* ==========================================================================
   HỆ THỐNG CHỮ
   ========================================================================== */
/* Tiêu đề luôn 1 dòng — JS (fx.js) tự co cỡ chữ để vừa khung */
[data-fit] { white-space: nowrap; max-width: 100%; }
.h2 { display: block; font-size: clamp(2rem, 5vw, 4.3rem); font-weight: 800; line-height: 1.1; letter-spacing: -.045em; }
.grad { background: var(--grad-text); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; color: transparent; }
.sec-dark .grad, .is-dark .grad, .grad-light { background: var(--grad-text-light); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; color: transparent; }

/* Mô tả: chữ nhỏ, căn đều 2 bên, tối đa 4 dòng */
.desc {
  font-size: 14.5px; line-height: 1.72; font-weight: 400; color: var(--ink-3);
  text-align: justify; text-justify: inter-word; hyphens: auto; -webkit-hyphens: auto;
  display: -webkit-box; -webkit-box-orient: vertical; -webkit-line-clamp: 4; line-clamp: 4; overflow: hidden;
}
.desc--lg { font-size: 15.5px; }
.desc.is-open { display: block; -webkit-line-clamp: unset; line-clamp: unset; }
.sec-dark .desc, .is-dark .desc { color: rgb(var(--ivory-rgb) / .66); }
.more-btn { margin-top: 8px; display: inline-flex; align-items: center; gap: 6px; font-size: 13px; font-weight: 700; color: var(--ink); border-bottom: 1px solid currentColor; padding-bottom: 1px; }

/* Đầu section: tiêu đề 1 dòng · đường kẻ + mô tả (__top: bộ đếm / nút điều hướng, căn phải) */
.sec-head { display: flex; flex-direction: column; gap: 18px; margin-bottom: clamp(44px, 6vw, 76px); min-width: 0; }
.sec-head__top { display: flex; align-items: center; justify-content: flex-end; gap: 16px; min-width: 0; }
/* --aside: bộ đếm / nút nằm cùng hàng với tiêu đề (mobile: xếp lại phía trên) */
.sec-head--aside { display: grid; grid-template-columns: minmax(0, 1fr) auto; align-items: center; column-gap: clamp(16px, 3vw, 40px); }
.sec-head--aside > .h2 { grid-area: 1 / 1; }
.sec-head--aside > .sec-head__top { grid-area: 1 / 2; }
.sec-head--aside > .sec-head__foot { grid-column: 1 / -1; }
.sec-head__foot { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 470px); gap: clamp(20px, 4vw, 60px); align-items: center; }
.sec-head__rule { height: 1px; background: var(--line); transform-origin: left; transform: scaleX(0); transition: transform 1.5s var(--ease) .25s; }
.sec-dark .sec-head__rule { background: var(--line-light); }
.sec-head.is-in .sec-head__rule { transform: scaleX(1); }
.sec-head__foot .desc { opacity: 0; transform: translateY(14px); transition: opacity 1s var(--ease) .35s, transform 1.1s var(--ease) .35s; }
.sec-head.is-in .sec-head__foot .desc { opacity: 1; transform: none; }

/* Chữ trồi lên theo từng từ */
.split .w { display: inline-block; overflow: hidden; vertical-align: top; padding: .18em .03em .12em; margin: -.18em -.03em -.12em; }
.split .w__in { display: inline-block; transform: translate3d(0, 110%, 0) rotate(3deg); transform-origin: 0 100%; transition: transform 1.15s var(--ease); transition-delay: calc(var(--wi, 0) * 60ms + 60ms); }
.split.is-in .w__in { transform: none; }

/* ------------------------------ Buttons ------------------------------ */
.btn {
  --bh: 54px; position: relative; isolation: isolate;
  display: inline-flex; align-items: center; justify-content: center; gap: 12px;
  height: var(--bh); padding: 0 26px 0 28px; border-radius: 999px;
  font-size: 15px; font-weight: 600; letter-spacing: -.005em; white-space: nowrap; overflow: hidden;
  transition: background-color .4s var(--ease), color .4s var(--ease), border-color .4s var(--ease), box-shadow .4s var(--ease);
}
.btn .ico { width: 18px; height: 18px; flex: none; transition: transform .5s var(--ease); }
.btn:hover .ico--arrow { transform: translateX(4px); }
.btn:hover .ico--down { transform: translateY(3px); }
.btn::after { content: ""; position: absolute; inset: 0; z-index: -1; background: linear-gradient(115deg, transparent 30%, rgba(255, 255, 255, .35) 50%, transparent 70%); transform: translateX(-120%); transition: transform .9s var(--ease); }
.btn:hover::after { transform: translateX(120%); }
.btn--dark { background: var(--grad-btn); color: #fff; box-shadow: 0 16px 34px -18px rgb(var(--shadow-rgb) / .8); }
.btn--dark::before { content: ""; position: absolute; inset: 0; z-index: -2; background: var(--grad-btn-hover); opacity: 0; transition: opacity .5s var(--ease); }
.btn--dark:hover { box-shadow: 0 22px 44px -18px rgb(var(--blue-rgb) / .7); }
.btn--dark:hover::before { opacity: 1; }
.btn--light { background: var(--ivory); color: var(--ink); box-shadow: 0 14px 30px -18px rgb(var(--shadow-rgb) / .45), 0 0 0 1px rgb(var(--ink-rgb) / .06) inset; }
.btn--light:hover { background: #fff; }
.btn--ghost { color: var(--ink); border: 1px solid rgb(var(--ink-rgb) / .22); background: rgb(var(--ivory-rgb) / .35); backdrop-filter: blur(10px); }
.btn--ghost:hover { border-color: var(--blue); color: var(--blue); background: rgb(var(--ivory-rgb) / .75); }
.btn--sm { --bh: 42px; padding: 0 18px; font-size: 14px; }
.btn-row { display: flex; flex-wrap: wrap; gap: 12px; }
.magnetic { transition: transform .6s var(--ease), background-color .4s var(--ease), color .4s var(--ease), border-color .4s var(--ease), box-shadow .4s var(--ease); }
.round { position: relative; isolation: isolate; overflow: hidden; width: 52px; height: 52px; border-radius: 50%; display: grid; place-items: center; border: 1px solid var(--line); background: rgba(255, 255, 255, .6); transition: background .3s, color .3s, transform .4s var(--ease), border-color .3s; }
.round:hover { background: var(--blue); color: #fff; border-color: var(--blue); }
.round svg { width: 20px; height: 20px; }

/* Gợn sóng khi bấm */
.ripple { position: absolute; z-index: -1; border-radius: 50%; pointer-events: none; background: currentColor; opacity: .2; transform: scale(0); animation: ripple .75s var(--ease) forwards; }
@keyframes ripple { to { transform: scale(1); opacity: 0; } }

/* Ánh sáng theo chuột trên thẻ */
.spot { isolation: isolate; }
.glow { position: absolute; inset: 0; z-index: -1; border-radius: inherit; pointer-events: none; opacity: 0; transition: opacity .5s var(--ease);
  background: radial-gradient(360px circle at var(--mx, 50%) var(--my, 50%), rgba(255, 255, 255, .95), rgba(255, 255, 255, 0) 62%); }
.glow::after { content: ""; position: absolute; inset: 0; border-radius: inherit; padding: 1px;
  background: radial-gradient(240px circle at var(--mx, 50%) var(--my, 50%), rgb(var(--blue-rgb) / .75), rgb(var(--cyan-rgb) / .25) 40%, transparent 65%);
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0); -webkit-mask-composite: xor; mask-composite: exclude; }
.spot:hover > .glow { opacity: 1; }
.spot.is-dark > .glow { background: radial-gradient(360px circle at var(--mx, 50%) var(--my, 50%), rgb(var(--ivory-rgb) / .12), transparent 62%); }
.spot.is-dark > .glow::after { background: radial-gradient(240px circle at var(--mx, 50%) var(--my, 50%), rgb(var(--ivory-rgb) / .6), transparent 65%); }

/* ------------------------------ Grain ------------------------------ */
.grain {
  position: fixed; inset: -50%; z-index: 90; pointer-events: none; opacity: .05;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='220' height='220'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='3' stitchTiles='stitch'/><feColorMatrix values='0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0'/></filter><rect width='100%' height='100%' filter='url(%23n)'/></svg>");
  animation: grain 1.2s steps(6) infinite;
}
@keyframes grain { 0% { transform: translate(0, 0); } 20% { transform: translate(-3%, 2%); } 40% { transform: translate(2%, -3%); } 60% { transform: translate(-2%, -1%); } 80% { transform: translate(3%, 3%); } 100% { transform: translate(0, 0); } }

/* ==========================================================================
   PRELOADER — "xin chào" · CHUYỂN TRANG
   ========================================================================== */
.preloader { position: fixed; inset: 0; z-index: 200; display: grid; place-items: center; background: var(--grad-dark); color: var(--ivory); clip-path: inset(0 0 0 0); transition: clip-path 1.15s var(--ease-io); }
.preloader::before { content: ""; position: absolute; inset: 0; background: radial-gradient(60% 50% at 50% 55%, rgb(var(--taupe-rgb) / .2), transparent 70%), radial-gradient(40% 40% at 12% 8%, rgb(var(--cyan-rgb) / .12), transparent 70%); }
.preloader.is-done { clip-path: inset(0 0 100% 0); }
.preloader.is-quick .hello { display: none; }
.hello { width: min(640px, 82vw); height: auto; overflow: visible; position: relative; transition: transform 1.1s var(--ease-io), opacity .8s; }
.preloader.is-done .hello { transform: translateY(-60px) scale(.96); opacity: 0; }
.hello__ink { fill: currentColor; }
/* Original font outlines stay fixed; only the writing guides animate. */
.hello__pen { fill: none; stroke: #fff; stroke-width: 18; stroke-linecap: round; stroke-linejoin: round; stroke-dasharray: 1 2; stroke-dashoffset: 1; opacity: 0; }
.preloader.is-writing .hello__pen { animation: hello-draw var(--duration) linear var(--delay) forwards; }
@keyframes hello-draw { from { opacity: 1; stroke-dashoffset: 1; } to { opacity: 1; stroke-dashoffset: 0; } }
.preloader.is-written .hello__pen { animation: none; stroke-dashoffset: 0; opacity: 1; }
@media (prefers-reduced-motion: reduce) {
  .hello__pen, .preloader.is-writing .hello__pen { animation: none; stroke-dashoffset: 0; opacity: 1; }
}
.preloader__meta { position: absolute; left: var(--gutter); right: var(--gutter); bottom: 34px; display: flex; justify-content: space-between; align-items: center; gap: 16px; font-size: 12px; letter-spacing: .18em; text-transform: uppercase; color: rgb(var(--ivory-rgb) / .55); }
.preloader__bar { position: absolute; left: 0; right: 0; bottom: 0; height: 2px; background: rgb(var(--ivory-rgb) / .08); }
.preloader__bar i { position: absolute; inset: 0; transform-origin: left; transform: scaleX(var(--p, 0)); background: var(--grad-sheen); transition: transform .4s var(--ease); }
.preloader__pct { font-variant-numeric: tabular-nums; color: var(--ivory); }
.preloader__id { display: inline-flex; align-items: center; gap: 12px; }
.preloader__id img { width: 30px; height: 30px; padding: 5px; border-radius: 50%; background: #fff; flex: none; }

.pt { position: fixed; inset: 0; z-index: 400; pointer-events: none; display: grid; place-items: center; background: var(--grad-dark); color: var(--ivory); clip-path: inset(100% 0 0 0); }
.pt__mark { display: inline-flex; align-items: center; gap: 16px; font-size: clamp(1.8rem, 4.4vw, 3.2rem); font-weight: 800; letter-spacing: -.045em; opacity: 0; transform: translateY(22px); }
.pt__mark img { width: 1.35em; height: 1.35em; padding: .2em; border-radius: 50%; background: #fff; }
.pt.is-leave { pointer-events: auto; clip-path: inset(0 0 0 0); transition: clip-path .65s var(--ease-io); }
.pt.is-leave .pt__mark { opacity: 1; transform: none; transition: opacity .5s .2s, transform .7s .2s var(--ease); }
.pt.is-cover { pointer-events: auto; clip-path: inset(0 0 0 0); animation: pt-safety 0s 3s forwards; }
.pt.is-cover .pt__mark { opacity: 1; transform: none; }
.pt.is-cover.is-out { pointer-events: none; clip-path: inset(0 0 100% 0); transition: clip-path .95s var(--ease-io) .12s; }
.pt.is-cover.is-out .pt__mark { opacity: 0; transform: translateY(-22px); transition: opacity .4s, transform .6s var(--ease); }
@keyframes pt-safety { to { clip-path: inset(0 0 100% 0); pointer-events: none; } }

/* ==========================================================================
   NAV
   ========================================================================== */
.nav { position: fixed; top: 14px; left: 0; right: 0; z-index: 100; padding-inline: var(--gutter); transition: transform .6s var(--ease), opacity .6s var(--ease); pointer-events: none; }
.nav.is-hidden { transform: translateY(-120%); }
.nav__inner {
  pointer-events: auto; max-width: calc(var(--maxw) - 2 * var(--gutter) + 40px); margin-inline: auto;
  height: 62px; padding: 0 8px 0 10px; display: flex; align-items: center; justify-content: space-between; gap: 16px;
  border-radius: 999px; background: rgb(var(--ivory-rgb) / .62); border: 1px solid rgba(255, 255, 255, .7);
  box-shadow: 0 18px 40px -26px rgb(var(--shadow-rgb) / .55), 0 1px 0 rgba(255, 255, 255, .7) inset;
  backdrop-filter: blur(18px) saturate(1.25); -webkit-backdrop-filter: blur(18px) saturate(1.25);
  transition: height .5s var(--ease), background .5s;
}
.nav.is-scrolled .nav__inner { height: 56px; background: rgb(var(--ivory-rgb) / .82); }
.nav__brand { display: flex; align-items: center; gap: 10px; font-weight: 700; letter-spacing: -.02em; white-space: nowrap; }
.nav__logo { width: 42px; height: 42px; border-radius: 50%; display: grid; place-items: center; background: #fff; box-shadow: 0 0 0 1px rgb(var(--ink-rgb) / .06), 0 8px 18px -10px rgb(var(--blue-rgb) / .55); transition: transform .6s var(--ease), width .5s var(--ease), height .5s var(--ease); }
.nav__logo img { width: 66%; height: 66%; }
.nav__brand:hover .nav__logo { transform: rotate(-12deg) scale(1.06); }
.nav.is-scrolled .nav__logo { width: 38px; height: 38px; }
.nav__badge { font-size: 11px; font-weight: 600; padding: 3px 9px; border-radius: 999px; border: 1px solid var(--line); color: var(--ink-3); }
.nav__links { position: relative; display: flex; align-items: center; gap: 2px; }
.nav__links a { position: relative; z-index: 1; padding: 9px 14px; border-radius: 999px; font-size: 14px; font-weight: 500; color: var(--ink-2); transition: color .3s; white-space: nowrap; }
.nav__links a:hover, .nav__links a.is-active { color: var(--ink); }
.nav__links a::after { content: ""; position: absolute; left: 50%; bottom: 4px; width: 4px; height: 4px; margin-left: -2px; border-radius: 50%; background: var(--blue); transform: scale(0); transition: transform .4s var(--ease); }
.nav__links a:hover:not(.is-active)::after { transform: scale(1); }
.nav__pill { position: absolute; z-index: 0; top: 0; left: 0; height: 100%; border-radius: 999px; background: #fff; box-shadow: 0 6px 16px -10px rgb(var(--shadow-rgb) / .5), 0 0 0 1px rgb(var(--ink-rgb) / .06); transition: transform .55s var(--ease), width .55s var(--ease), opacity .3s; opacity: 0; }
.nav__actions { display: flex; align-items: center; gap: 8px; }
.nav__burger { display: none; width: 46px; height: 46px; border-radius: 50%; background: var(--grad-btn); position: relative; }
.nav__burger span { position: absolute; left: 14px; right: 14px; height: 1.6px; background: var(--ivory); border-radius: 2px; transition: transform .45s var(--ease), top .45s var(--ease); }
.nav__burger span:first-child { top: 19px; }
.nav__burger span:last-child { top: 26px; }
.nav.is-open .nav__burger span:first-child { top: 22.5px; transform: rotate(45deg); }
.nav.is-open .nav__burger span:last-child { top: 22.5px; transform: rotate(-45deg); }
.menu { position: fixed; inset: 0; z-index: 99; background: var(--grad-lux); padding: calc(var(--nav-h) + 40px) var(--gutter) 40px; display: flex; flex-direction: column; justify-content: space-between; clip-path: circle(0% at calc(100% - 44px) 44px); transition: clip-path .8s var(--ease-io); visibility: hidden; }
.menu.is-open { clip-path: circle(150% at calc(100% - 44px) 44px); visibility: visible; }
.menu__links { display: grid; gap: 4px; }
.menu__links a { font-size: clamp(1.8rem, 8.5vw, 3.2rem); font-weight: 800; letter-spacing: -.04em; line-height: 1.18; display: flex; align-items: baseline; gap: 14px; white-space: nowrap; opacity: 0; transform: translateY(20px); transition: opacity .5s, transform .7s var(--ease); }
.menu.is-open .menu__links a { opacity: 1; transform: none; }
.menu.is-open .menu__links a:nth-child(2) { transition-delay: .04s; } .menu.is-open .menu__links a:nth-child(3) { transition-delay: .08s; }
.menu.is-open .menu__links a:nth-child(4) { transition-delay: .12s; } .menu.is-open .menu__links a:nth-child(5) { transition-delay: .16s; }
.menu.is-open .menu__links a:nth-child(6) { transition-delay: .2s; } .menu.is-open .menu__links a:nth-child(7) { transition-delay: .24s; }
.menu.is-open .menu__links a:nth-child(8) { transition-delay: .28s; }
.menu__links a small { font-size: 13px; font-weight: 600; color: var(--ink-3); letter-spacing: .1em; }
.menu__foot { display: grid; gap: 6px; color: var(--ink-2); font-size: 15px; }

/* ==========================================================================
   HERO — 3D scroll
   ========================================================================== */
.hero { position: relative; height: 820vh; background: var(--greige); }
.hero__sticky { position: sticky; top: 0; height: 100vh; height: 100svh; overflow: hidden; }
.hero__stage { position: absolute; inset: 0; background: #8DB9F2 url("../assets/hero/seq/poster.jpg") right top / cover no-repeat; transform-origin: 50% 40%; will-change: transform, filter; }
.hero__canvas { position: absolute; inset: 0; width: 100%; height: 100%; }
/* Tấm phủ tối chuyển sắc: chỉ đậm ở phía đang có chữ, tan hết trước khi tới khuôn mặt.
   Độ đậm --sl/--sr/--sb do js/hero.js đặt theo chương đang hiện (0 khi không có chữ). */
.hero__scrim { position: absolute; inset: 0; pointer-events: none; }
.hero__scrim i { position: absolute; inset: 0; display: block; will-change: opacity; }
.hero__scrim .sl { opacity: var(--sl, 0); background: linear-gradient(90deg, rgb(5 11 28 / .86) 0%, rgb(5 11 28 / .7) 18%, rgb(5 11 28 / .4) 38%, rgb(5 11 28 / .12) 56%, transparent 72%); }
.hero__scrim .sr { opacity: var(--sr, 0); background: linear-gradient(270deg, rgb(5 11 28 / .86) 0%, rgb(5 11 28 / .7) 18%, rgb(5 11 28 / .4) 38%, rgb(5 11 28 / .12) 56%, transparent 72%); }
.hero__scrim .sb { opacity: var(--sb, 0); background: linear-gradient(0deg, rgb(5 11 28 / .9) 0%, rgb(5 11 28 / .68) 22%, rgb(5 11 28 / .3) 45%, transparent 70%); }
.hero__shade { position: absolute; inset: 0; pointer-events: none; background: radial-gradient(120% 90% at 50% 45%, transparent 55%, rgb(var(--shadow-rgb) / .28) 100%), linear-gradient(180deg, rgb(var(--shadow-rgb) / .18) 0%, transparent 18%, transparent 70%, rgb(var(--shadow-rgb) / .28) 100%); }
.hero__frame { position: absolute; inset: clamp(14px, 2.2vw, 28px); pointer-events: none; }
.hero__frame i { position: absolute; width: 26px; height: 26px; border-color: rgb(var(--ivory-rgb) / .75); border-style: solid; border-width: 0; }
.hero__frame i:nth-child(1) { left: 0; top: 0; border-left-width: 1.5px; border-top-width: 1.5px; }
.hero__frame i:nth-child(2) { right: 0; top: 0; border-right-width: 1.5px; border-top-width: 1.5px; }
.hero__frame i:nth-child(3) { left: 0; bottom: 0; border-left-width: 1.5px; border-bottom-width: 1.5px; }
.hero__frame i:nth-child(4) { right: 0; bottom: 0; border-right-width: 1.5px; border-bottom-width: 1.5px; }
.hero__layers { position: absolute; inset: 0; pointer-events: none; perspective: 1400px; }
.hero__layers-inner { position: absolute; inset: 0; transform-style: preserve-3d; will-change: transform; }

.ch { --v: 0; --vi: clamp(0, calc(var(--v) * 1.7 - var(--i, 0) * .16), 1); position: absolute; opacity: var(--v); pointer-events: none; visibility: hidden; }
.ch.is-on { pointer-events: auto; }
.ch.is-vis { visibility: visible; }
.ch .st { opacity: var(--vi); transform: translate3d(0, calc((1 - var(--vi)) * 36px), 0); filter: blur(calc((1 - var(--vi)) * 8px)); }
.glass { background: rgb(var(--ivory-rgb) / .6); border: 1px solid rgba(255, 255, 255, .72); box-shadow: 0 30px 70px -40px rgb(var(--shadow-rgb) / .6), 0 1px 0 rgba(255, 255, 255, .8) inset; backdrop-filter: blur(20px) saturate(1.3); -webkit-backdrop-filter: blur(20px) saturate(1.3); border-radius: var(--r-lg); }
.hero .glass { backdrop-filter: blur(14px) saturate(1.25); -webkit-backdrop-filter: blur(14px) saturate(1.25); }

.ch--intro { left: var(--gutter); bottom: clamp(88px, 13vh, 140px); width: min(760px, 58vw); }
.hero-eyebrow { display: inline-flex; align-items: center; gap: 10px; font-size: 12.5px; font-weight: 600; letter-spacing: .16em; text-transform: uppercase; color: var(--ink-2); margin-bottom: 18px; white-space: nowrap; }
.dot-live { position: relative; display: inline-block; width: 8px; height: 8px; border-radius: 50%; background: var(--cyan); box-shadow: 0 0 10px rgb(var(--cyan-rgb) / .9); flex: none; }
.dot-live::after { content: ""; position: absolute; inset: -5px; border-radius: 50%; border: 1px solid var(--cyan); animation: ping 2s var(--ease) infinite; }
@keyframes ping { 0% { transform: scale(.5); opacity: 1; } 100% { transform: scale(1.6); opacity: 0; } }
.hero-name { display: block; font-size: clamp(3rem, 8.2vw, 8rem); font-weight: 800; line-height: 1; letter-spacing: -.055em; color: var(--ink); }
.hero-name .hn { display: inline-block; overflow: hidden; vertical-align: top; padding: .18em .16em .16em; margin: -.18em -.16em -.16em; }
.hero-name .hn > span { display: inline-block; transform: translate3d(0, 112%, 0) rotate(5deg); transform-origin: 0 100%; transition: transform 1.3s var(--ease); }
body.is-ready .hero-name .hn > span { transform: none; }
body.is-ready .hero-name .hn:nth-child(2) > span { transition-delay: .08s; }
body.is-ready .hero-name .hn:nth-child(3) > span { transition-delay: .16s; }
.hero-role { margin-top: 20px; display: flex; align-items: center; gap: 14px; white-space: nowrap; font-size: clamp(1rem, 1.4vw, 1.2rem); font-weight: 600; color: var(--ink); letter-spacing: -.01em; }
.hero-role .sep { width: 1px; height: 1.05em; border-radius: 1px; background: var(--ink-3); }
.hero-pos { margin-top: 12px; max-width: 500px; font-size: 15px; color: var(--ink-2); -webkit-line-clamp: 6; line-clamp: 6; }   /* đoạn mở đầu dài hơn 4 dòng trên điện thoại */
.hero-cta { margin-top: 26px; }
.intro-fade { opacity: 0; transform: translateY(22px); transition: opacity 1s var(--ease), transform 1.2s var(--ease); }
body.is-ready .intro-fade { opacity: 1; transform: none; }
body.is-ready .intro-fade.d1 { transition-delay: .25s; } body.is-ready .intro-fade.d2 { transition-delay: .38s; }
body.is-ready .intro-fade.d3 { transition-delay: .5s; } body.is-ready .intro-fade.d4 { transition-delay: .62s; }

.ch--left { left: var(--gutter); top: 50%; transform: translateY(-46%); width: min(560px, 40vw); }
.ch--right { right: calc(var(--gutter) + 40px); top: 50%; transform: translateY(-46%); width: min(560px, 40vw); }
/* js/hero.js gán is-left / is-right (+ is-low khi mặt quá to, chữ hạ xuống dưới cằm) theo vị trí mặt trong khung hình */
@media (min-width: 761px) {
  .ch.is-left, .ch.is-right { width: var(--chw, min(560px, 40vw)); top: 50%; transform: translateY(-46%); }
  .ch.is-left { left: var(--gutter); right: auto; }
  .ch.is-right { right: calc(var(--gutter) + 40px); left: auto; }
  .ch.is-low { top: auto; bottom: clamp(36px, 6vh, 80px); transform: none; }
}
/* Chữ trên hero: trắng, đặt thẳng lên video (tấm phủ tối lo phần tương phản) */
.hero__layers { --hero-fg: #fff; --hero-fg-2: rgb(255 255 255 / .84); --hero-accent: #7FE3F2; --hero-sh: 0 1px 2px rgb(4 10 26 / .4), 0 6px 30px rgb(4 10 26 / .45); }
.ch__kicker { font-size: 12px; font-weight: 600; letter-spacing: .18em; text-transform: uppercase; color: var(--hero-fg-2); margin-bottom: 12px; display: flex; align-items: center; gap: 10px; white-space: nowrap; }
.ch__kicker::before { content: ""; width: 26px; height: 1px; background: currentColor; }
.ch__title { display: block; font-size: clamp(2.3rem, 4.2vw, 4.2rem); font-weight: 800; letter-spacing: -.038em; line-height: 1.06; color: var(--hero-fg); text-shadow: var(--hero-sh); }
.ch__title--xl { font-size: clamp(2.6rem, 5vw, 5.2rem); }
.ch__rule { display: block; height: 2px; width: calc(var(--v) * 72px); margin: 20px 0 4px; border-radius: 2px; background: linear-gradient(90deg, var(--hero-accent), rgb(127 227 242 / 0)); opacity: var(--v); }
/* nội dung hero căn đều hai bên; riêng dòng cuối để tự nhiên cho khỏi giãn chữ */
.ch__text, .hero-pos { text-align: justify; text-align-last: left; -webkit-hyphens: none; hyphens: none; }
.ch__text { -webkit-line-clamp: 8; line-clamp: 8; margin-top: 14px; max-width: 46ch; font-size: clamp(1rem, 1.08vw, 1.15rem); line-height: 1.62; color: var(--hero-fg-2); text-shadow: var(--hero-sh); }
.ch .ch__chips { display: grid; gap: 14px; margin-top: 20px; }
/* Mỗi mốc là một hàng 3 cột: năm · vai trò · công ty. Cột công ty canh về mép phải nên các
   công ty thẳng một hàng dọc dù vai trò dài ngắn khác nhau (mỗi cột là MỘT phần tử, không để
   chữ trần trong lưới: js/hero.js tách chữ thành span nên lưới sẽ nuốt mất dấu cách). */
.ch .chip { display: grid; grid-template-columns: auto minmax(0, 1fr) auto; align-items: baseline; column-gap: clamp(14px, 1.6vw, 26px); padding: 0; border: 0; background: none; border-radius: 0; line-height: 1.5; color: var(--hero-fg); text-shadow: var(--hero-sh); }
.ch .chip b { font-size: 1.22em; font-weight: 800; letter-spacing: -.01em; color: var(--hero-accent); font-variant-numeric: tabular-nums; }
.ch .chip { text-transform: uppercase; letter-spacing: .055em; font-size: clamp(.92rem, 1vw, 1.05rem); font-weight: 600; }
.ch .chip i { font-style: normal; }
.ch .chip__role { font-weight: 600; }
.ch .chip__org { justify-self: end; font-weight: 600; color: rgb(255 255 255 / .74); }
.ch__stats { display: grid; gap: 22px; margin-top: 22px; container-type: inline-size; }
.ch-stat { display: grid; grid-template-columns: minmax(0, auto) minmax(0, 1fr); gap: 18px; align-items: center; padding: 0; border: 0; background: none; }
.ch-stat b { font-size: clamp(2.05rem, 2.7vw, 2.8rem); font-weight: 800; letter-spacing: -.045em; line-height: 1.05; min-width: 2.35em; font-variant-numeric: tabular-nums; white-space: nowrap; color: var(--hero-fg); text-shadow: var(--hero-sh); }
.ch-stat b small { font-size: .46em; font-weight: 700; margin-left: 3px; color: var(--hero-accent); }
.ch-stat > span { font-size: clamp(1rem, 1.08vw, 1.15rem); color: var(--hero-fg-2); line-height: 1.55; text-shadow: var(--hero-sh);
  text-align: justify; text-align-last: left; -webkit-hyphens: none; hyphens: none; max-width: 24rem; }
/* Nhãn dùng đúng cỡ chữ của .ch__text (phần nội dung còn lại trong hero), căn đều hai bên;
   dòng cuối để tự nhiên cho khỏi giãn chữ. max-width chặn dòng quá dài trên màn rộng. */
/* Khối hẹp (màn nhỏ, hoặc bên trống của khung hình hẹp): số nằm trên, nhãn nằm dưới và chiếm
   trọn bề ngang — để hai cột thì nhãn phải xuống 3 dòng. */
@container (max-width: 430px) {
  .ch-stat { grid-template-columns: minmax(0, 1fr); gap: 2px; }
  .ch-stat b { min-width: 0; }
}
/* Chữ nhảy theo cuộn: mỗi ký tự (u--c) / từ (u--w) có mốc --d riêng, hiện dần theo tiến trình --v của chương (cuộn ngược thì thu lại) */
.ch .u { display: inline-block; white-space: pre; --ci: clamp(0, calc((var(--v) - var(--d)) / min(var(--dur), calc(1 - var(--d)))), 1); opacity: var(--ci); will-change: transform, opacity, filter; }
.ch .u--c { --dur: .38; transform-origin: 30% 100%; transform: translate3d(0, calc((1 - var(--ci)) * .42em), 0) rotate(calc((1 - var(--ci)) * -4deg)) scale(calc(.92 + .08 * var(--ci))); filter: blur(calc((1 - var(--ci)) * 4px)); }
.ch .u--w { --dur: .34; transform: translate3d(0, calc((1 - var(--ci)) * 16px), 0); filter: blur(calc((1 - var(--ci)) * 3px)); }
/* chữ nhấn trong hero: một màu cyan sáng (gradient cắt theo từng ký tự sẽ vỡ màu) */
.hero .grad, .hero .grad .u, .ch .chip b .u, .ch-stat b .u, .ch__title .u { background: none; }
/* dự phòng khi JS chưa tô gradient theo ký tự (paintTitleGradient trong js/hero.js) */
.hero .grad, .hero .grad .u { color: var(--hero-accent); -webkit-text-fill-color: var(--hero-accent); }
.hero-name .gc, .ch__title .u { transition: none; }
/* tên trong hero không bị tách ký tự nên vẫn dùng được gradient: cyan → xanh điện, rực và nét hơn */
/* KHÔNG gắn gradient + filter riêng cho một chữ trong .hero-name: .hn bị overflow:hidden (hiệu ứng chữ trồi lên)
   nên vùng sáng của filter bị cắt thành ô chữ nhật, và một chữ đổi màu đột ngột trông như miếng dán.
   Gradient của tiêu đề hero được tô theo TỪNG KÝ TỰ trong js/hero.js (paintTitleGradient). */
.ch .chip b .u, .ch-stat b .u, .ch__title .u, .ch__text .u, .ch-stat > span .u { -webkit-text-fill-color: currentColor; color: inherit; }

/* Chương mở đầu (tên + giới thiệu) cũng dùng chữ trắng trên tấm phủ */
.hero-eyebrow { color: var(--hero-fg-2); text-shadow: var(--hero-sh); }
.hero-name { color: var(--hero-fg); text-shadow: 0 2px 8px rgb(4 10 26 / .55); }   /* bóng phải gọn hơn vùng cắt của .hn, nếu không sẽ lộ ô chữ nhật */
.hero-role { color: var(--hero-fg); text-shadow: var(--hero-sh); }
.hero-role .sep { background: rgb(255 255 255 / .5); }
.hero-pos { color: var(--hero-fg-2); text-shadow: var(--hero-sh); }
.hero .btn--ghost { color: #fff; border-color: rgb(255 255 255 / .45); background: rgb(255 255 255 / .1); }
.hero .btn--ghost:hover { color: var(--ink); border-color: #fff; background: rgb(255 255 255 / .92); }

.hud { position: absolute; inset: 0; pointer-events: none; color: var(--ivory); font-size: 11px; font-weight: 600; letter-spacing: .16em; text-transform: uppercase; }
.hud__pill { display: inline-flex; align-items: center; gap: 10px; padding: 8px 12px; border-radius: 999px; background: rgb(var(--shadow-rgb) / .3); border: 1px solid rgb(var(--ivory-rgb) / .16); backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px); font-variant-numeric: tabular-nums; white-space: nowrap; }
.hud__cam { position: absolute; right: calc(var(--gutter) + 8px); bottom: clamp(30px, 4.6vh, 44px); display: flex; gap: 8px; flex-wrap: wrap; justify-content: flex-end; }
.hud__cam em { font-style: normal; color: var(--greige); opacity: .8; }
.hud__scroll { position: absolute; left: 50%; bottom: clamp(26px, 4vh, 40px); transform: translateX(-50%); display: flex; flex-direction: column; align-items: center; gap: 10px; transition: opacity .6s; }
.hud__mouse { width: 22px; height: 34px; border-radius: 12px; border: 1.5px solid rgb(var(--ivory-rgb) / .8); position: relative; }
.hud__mouse::after { content: ""; position: absolute; left: 50%; top: 7px; width: 3px; height: 7px; margin-left: -1.5px; border-radius: 2px; background: var(--ivory); animation: wheel 1.8s var(--ease) infinite; }
@keyframes wheel { 0% { transform: translateY(0); opacity: 1; } 70% { transform: translateY(10px); opacity: 0; } 100% { opacity: 0; } }
.hud__rail { position: absolute; z-index: 2; right: calc(var(--gutter) + 8px); top: 50%; transform: translateY(-50%); display: grid; gap: 12px; justify-items: end; pointer-events: auto; font-size: 11px; font-weight: 600; letter-spacing: .16em; text-transform: uppercase; transition: opacity .5s; }
.hud__tick { display: flex; align-items: center; gap: 10px; color: rgb(var(--ivory-rgb) / .7); font-size: 10.5px; letter-spacing: .14em; }
.hud__tick span { opacity: 0; transform: translateX(6px); transition: opacity .4s, transform .4s var(--ease); }
.hud__tick i { width: 18px; height: 1.5px; border-radius: 2px; background: rgb(var(--ivory-rgb) / .55); transition: width .5s var(--ease), background .3s; }
.hud__tick:hover span, .hud__tick.is-active span { opacity: 1; transform: none; }
.hud__tick:hover i { width: 28px; }
.hud__tick.is-active i { width: 36px; background: var(--ivory); }
.hud__progress { position: absolute; left: 0; bottom: 0; height: 2px; width: 100%; transform-origin: left; transform: scaleX(0); background: var(--grad-sheen); }
/* Section đầu tiên sau hero (Giới thiệu) trượt đè lên 100vh cuối của hero */
.handoff { position: relative; z-index: 3; margin-top: -100vh; border-radius: 34px 34px 0 0; box-shadow: 0 -30px 60px -30px rgb(var(--shadow-rgb) / .45); }

/* ------------------------------ Marquee ------------------------------ */
.marquee { position: relative; z-index: 3; overflow: hidden; padding-block: 24px; border-block: 1px solid var(--line); background: var(--ivory); }
.marquee__track { display: flex; width: max-content; will-change: transform; }
.marquee__group { display: flex; align-items: center; gap: 44px; padding-right: 44px; }
.marquee__item { font-size: clamp(1.5rem, 3.2vw, 2.6rem); font-weight: 800; letter-spacing: -.04em; white-space: nowrap; color: var(--ink); transition: color .4s; }
.marquee__item.o { color: transparent; -webkit-text-stroke: 1.2px var(--taupe); }
.marquee__item:hover { color: var(--blue); }
.marquee__star { width: 22px; height: 22px; color: var(--sky); flex: none; }

/* ==========================================================================
   3. GIỚI THIỆU
   ========================================================================== */
.about__grid { display: grid; grid-template-columns: minmax(0, .8fr) minmax(0, 1.2fr); gap: clamp(32px, 6vw, 96px); align-items: start; }
/* Khung dính cách đỉnh 104px khi thanh điều hướng đang hiện (76px + 28px). Khi cuộn xuống thanh điều hướng ẩn đi
   (.nav.is-hidden) thì kéo khung lên sát đỉnh, nếu không sẽ lộ một khoảng trống lớn phía trên video. */
.portrait { position: sticky; top: 104px; transition: top .6s var(--ease); }
.nav.is-hidden ~ main .portrait { top: 24px; }
.tilt { transform-style: preserve-3d; transform: perspective(1100px) rotateX(var(--rx, 0deg)) rotateY(var(--ry, 0deg)); transition: transform .8s var(--ease); }
.tilt.is-tilting { transition: transform .15s linear; }
.portrait__card { position: relative; border-radius: var(--r-xl); overflow: hidden; aspect-ratio: 4 / 5; box-shadow: var(--shadow-float); background: var(--greige); }
/* video phủ kín khung, KHÔNG parallax (data-speed): khung nằm trong .portrait dính (sticky) nên phép đo vị trí của
   parallax bị lệch theo cuộn và đẩy video tụt xuống, lộ nền phía trên */
.portrait__card img, .portrait__card video { display: block; width: 100%; max-width: 100%; height: 100%; object-fit: cover; object-position: 50% 42%; }
.portrait__card::after { content: ""; position: absolute; inset: 0; background: radial-gradient(60% 50% at var(--gx, 50%) var(--gy, 30%), rgba(255, 255, 255, .28), transparent 60%); mix-blend-mode: soft-light; pointer-events: none; }
.portrait__badge { position: absolute; transform: translateZ(60px); padding: 12px 16px; border-radius: 18px; font-size: 13px; font-weight: 600; display: flex; align-items: center; gap: 10px; white-space: nowrap; }
.portrait__badge--a { left: -18px; bottom: 56px; }
.portrait__badge b { font-size: 1.3rem; font-weight: 800; letter-spacing: -.03em; }
.portrait__cap { margin-top: 18px; display: flex; justify-content: space-between; font-size: 13px; color: var(--ink-3); }

/* ảnh lộ dần */
.reveal-img { clip-path: inset(100% 0 0 0 round var(--r-xl)); transition: clip-path 1.4s var(--ease-io); }
.reveal-img img, .reveal-img video { transform: scale(1.18); transition: transform 1.8s var(--ease); }
.reveal-img.is-in { clip-path: inset(0 0 0 0 round var(--r-xl)); }
.reveal-img.is-in img, .reveal-img.is-in video { transform: scale(1); }

.about__content { display: grid; min-width: 0; }
.about__block { display: grid; gap: 10px; padding-block: 26px; border-top: 1px solid var(--line); min-width: 0; }
.about__block:first-child { border-top: 0; padding-top: 4px; }
/* min-width: 0 là bắt buộc cho phần tử [data-fit] / white-space: nowrap nằm trong grid:
   min-width mặc định (auto) = bề ngang cả chuỗi chữ, đủ sức đẩy layout viewport của điện thoại
   rộng ra (390 -> 495px, cả trang vuốt ngang được). Có chặn bề ngang thì js/fx.js mới co được cỡ chữ. */
.about__k, .about__title { min-width: 0; }
.about__k { font-size: 11.5px; font-weight: 600; letter-spacing: .18em; text-transform: uppercase; color: var(--ink-3); display: flex; gap: 12px; align-items: center; white-space: nowrap; }
.about__k span { color: var(--ink); }
.about__title { display: block; font-size: clamp(1.3rem, 2.2vw, 1.8rem); font-weight: 800; letter-spacing: -.035em; line-height: 1.25; }
.roles { display: flex; flex-wrap: wrap; gap: 8px; }
/* thẻ tròn dùng ở "Vai trò đã đảm nhận" (hero có style riêng ở .ch .chip) */
.chip { display: inline-flex; align-items: center; gap: 8px; padding: 8px 14px; border-radius: 999px; font-size: 13px; font-weight: 600; white-space: nowrap;
  background: rgba(255, 255, 255, .6); border: 1px solid var(--line); color: var(--ink-2); transition: background .35s, color .35s, border-color .35s, transform .5s var(--ease); }
.chip b { font-weight: 800; color: var(--ink); }
.roles .chip:hover { background: var(--ink); color: var(--ivory); border-color: var(--ink); transform: translateY(-2px); }
.strengths { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 12px; }
.strength { position: relative; min-width: 0; padding: 20px 18px; border-radius: var(--r-md); background: rgba(255, 255, 255, .6); border: 1px solid rgba(255, 255, 255, .85); box-shadow: var(--shadow-card); display: grid; gap: 8px; align-content: start; transition: transform .6s var(--ease); }
.strength:hover { transform: translateY(-5px); }
.strength > svg { width: 26px; height: 26px; color: var(--ink); transition: transform .6s var(--ease); }
.strength:hover > svg { transform: rotate(-12deg) scale(1.1); }
.strength h4 { display: block; font-size: 15px; font-weight: 700; letter-spacing: -.01em; line-height: 1.35; }
.about__block .desc { text-align: justify; text-align-last: left; text-justify: inter-word; }
.strength .desc { font-size: 13px; display: block; -webkit-line-clamp: unset; line-clamp: unset; overflow: visible; }

/* Timeline dọc */
.tl-list { position: relative; display: grid; gap: 12px; padding-left: 34px; margin-top: 6px; }
.tl-list__line { position: absolute; left: 11px; top: 14px; bottom: 14px; width: 2px; background: var(--line); border-radius: 2px; overflow: hidden; }
.tl-list__line i { position: absolute; inset: 0; transform-origin: top; transform: scaleY(var(--tl, 0)); background: linear-gradient(180deg, var(--cyan), var(--blue) 45%, var(--ink)); }
.tl { position: relative; min-width: 0; display: grid; grid-template-columns: 132px minmax(0, 1fr); gap: 18px; padding: 16px 20px; border-radius: var(--r-md); background: rgba(255, 255, 255, .6); border: 1px solid rgba(255, 255, 255, .85); box-shadow: var(--shadow-card); transition: transform .6s var(--ease), background .4s; }
.tl:hover { transform: translateX(6px); background: #fff; }
.tl::before { content: ""; position: absolute; left: -29px; top: 22px; width: 14px; height: 14px; border-radius: 50%; background: var(--ivory); border: 2px solid var(--taupe); transition: background .4s, border-color .4s, box-shadow .4s, transform .4s var(--ease); }
.tl.is-lit::before { background: var(--blue); border-color: var(--blue); box-shadow: 0 0 0 6px rgb(var(--blue-rgb) / .14); }
.tl:hover::before { transform: scale(1.25); }
.tl__time { font-size: 11.5px; font-weight: 700; letter-spacing: .1em; text-transform: uppercase; color: var(--ink-3); padding-top: 4px; white-space: nowrap; font-variant-numeric: tabular-nums; }
.tl__main { min-width: 0; display: grid; gap: 2px; }
.tl__role { display: block; font-size: 1.05rem; font-weight: 800; letter-spacing: -.02em; line-height: 1.35; }
.tl__org { font-size: 13px; font-weight: 600; color: var(--ink-2); white-space: nowrap; }
.tl .desc { font-size: 13px; margin-top: 4px; }
.tl--goal { background: var(--grad-dark); color: var(--ivory); border-color: transparent; }
.tl--goal:hover { background: var(--grad-dark); }
.tl--goal .tl__time { color: var(--taupe); }
.tl--goal .tl__org { color: var(--greige); }
.tl--goal::before { background: var(--espresso); border-color: var(--taupe); }

/* ==========================================================================
   4. GIÁ TRỊ — danh sách mở/đóng
   ========================================================================== */
/* Bố cục: danh sách 5 giá trị dạng dòng kẻ mảnh (không hộp, không nút "+") + bảng chi tiết dính bên phải (máy tính).
   Rê chuột vào một dòng là bảng bên phải đổi nội dung (js/sections.js initValues). Dưới 1025px hoặc màn cảm ứng:
   bảng ẩn, bấm dòng để mở nội dung ngay bên dưới (accordion). */
.values { display: grid; gap: 40px; }
.vlist { display: grid; border-top: 1px solid var(--line); }
.vrow { position: relative; border-bottom: 1px solid var(--line); }
.vrow__head { position: relative; width: 100%; display: grid; grid-template-columns: 34px 40px minmax(0, 1fr) 34px; align-items: center; gap: 14px; padding: 18px 4px; text-align: left; cursor: pointer; }
.vrow__num { font-size: 12px; font-weight: 700; letter-spacing: .14em; color: var(--ink-3); font-variant-numeric: tabular-nums; transition: color .35s; }
.vrow__icon { width: 40px; height: 40px; border-radius: 12px; display: grid; place-items: center; color: var(--ink-2); background: rgba(255, 255, 255, .7); border: 1px solid var(--line-2); transition: background .4s, color .4s, border-color .4s; }
.vrow__icon svg { width: 18px; height: 18px; }
.vrow__title { display: block; min-width: 0; font-size: clamp(1.05rem, 1.6vw, 1.3rem); font-weight: 700; letter-spacing: -.02em; line-height: 1.3; color: var(--ink-2); transition: color .35s, transform .55s var(--ease); }
.vrow__toggle { width: 34px; height: 34px; border-radius: 50%; display: grid; place-items: center; border: 1px solid var(--line); color: var(--ink-2); background: rgba(255, 255, 255, .8); transition: transform .5s var(--ease), background .4s, color .4s, border-color .4s; }
.vrow__toggle svg { width: 15px; height: 15px; }
.vrow__go { display: none; }
.vrow:hover .vrow__title, .vrow.is-open .vrow__title { color: var(--ink); }
.vrow.is-open .vrow__num { color: var(--blue); }
.vrow.is-open .vrow__icon { background: var(--grad-btn-hover); color: #fff; border-color: transparent; }
.vrow.is-open .vrow__toggle { transform: rotate(45deg); background: var(--ink); color: var(--ivory); border-color: transparent; }
.vrow__body { display: grid; grid-template-rows: 0fr; transition: grid-template-rows .55s var(--ease); }
.vrow.is-open .vrow__body { grid-template-rows: 1fr; }
.vrow__inner { overflow: hidden; min-height: 0; }
.vrow__content { display: grid; gap: 12px; max-width: 720px; padding: 0 4px 22px calc(34px + 40px + 28px); opacity: 0; transform: translateY(6px); transition: opacity .4s var(--ease), transform .5s var(--ease); }
.vrow.is-open .vrow__content { opacity: 1; transform: none; transition-delay: .1s; }
.vrow__content .desc, .vpanel .desc { display: block; font-size: 15px; line-height: 1.7; color: var(--ink-2); text-align: justify; text-justify: inter-word; hyphens: manual; -webkit-hyphens: manual; -webkit-line-clamp: unset; line-clamp: unset; overflow: visible; }
.vrow__proof { display: grid; grid-template-columns: auto minmax(0, 1fr); gap: 10px; align-items: start; font-size: 13.5px; line-height: 1.6; color: var(--ink); text-align: justify; text-justify: inter-word; padding: 12px 14px; border-radius: var(--r-sm); background: rgb(var(--blue-rgb) / .05); border: 1px solid rgb(var(--blue-rgb) / .12); }
.vrow__proof span { display: inline-block; font-size: 10.5px; font-weight: 700; letter-spacing: .14em; text-transform: uppercase; color: var(--blue); padding: 3px 9px; border-radius: 999px; background: rgb(var(--blue-rgb) / .1); white-space: nowrap; margin-top: 1px; }
/* bảng chi tiết (chỉ máy tính) */
.vpanel { display: none; }
@media (min-width: 1025px) and (hover: hover) {
  .values { grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: clamp(40px, 6vw, 96px); align-items: start; }
  .vlist { border-top-color: var(--line-2); }
  .vrow { border-bottom-color: var(--line-2); }
  .vrow__head { grid-template-columns: 34px minmax(0, 1fr) 28px; padding: 23px 6px 23px 0; }
  .vrow__icon, .vrow__toggle, .vrow__body { display: none; }
  .vrow__go { display: grid; place-items: center; width: 28px; height: 28px; color: var(--blue); opacity: 0; transform: translateX(-10px); transition: opacity .35s, transform .55s var(--ease); }
  .vrow__go svg { width: 18px; height: 18px; }
  .vrow:hover .vrow__go, .vrow.is-open .vrow__go { opacity: 1; transform: none; }
  .vrow.is-open .vrow__title { transform: translateX(6px); }
  .vrow__title { font-size: clamp(1.1rem, 1.5vw, 1.35rem); }
  /* vạch nhấn mảnh bên trái dòng đang chọn */
  .vrow::before { content: ""; position: absolute; left: -20px; top: 50%; width: 3px; height: 0; border-radius: 2px; background: var(--grad-btn-hover); transform: translateY(-50%); transition: height .45s var(--ease); }
  .vrow.is-open::before { height: 30px; }

  .vpanel { display: block; position: sticky; top: 120px; min-height: 380px; padding: clamp(30px, 3.2vw, 46px); border-radius: var(--r-lg); overflow: hidden; isolation: isolate;
    background: linear-gradient(160deg, rgba(255, 255, 255, .94), rgba(255, 255, 255, .72)); border: 1px solid rgba(255, 255, 255, .95);
    box-shadow: 0 0 0 1px rgb(var(--ink-rgb) / .05), var(--shadow-float); }
  .vpanel::before { content: ""; position: absolute; inset: 0; z-index: -1; background: radial-gradient(60% 50% at 100% 0%, rgb(var(--taupe-rgb) / .38), transparent 70%), radial-gradient(50% 40% at 0% 100%, rgb(var(--cyan-rgb) / .09), transparent 70%); }
  .vpanel__num { position: absolute; right: 22px; top: 10px; width: 1.4em; height: 1em; overflow: visible; font-size: clamp(6rem, 8.5vw, 8.5rem); user-select: none; pointer-events: none; }
  .vpanel__num text { font: 800 1em/1 var(--font); letter-spacing: -.06em; font-variant-numeric: tabular-nums; fill: none; stroke: url(#vnum-g); stroke-width: 1.6px; stroke-linejoin: round; opacity: .55; }
  .vpanel__in { position: relative; display: grid; gap: 18px; transition: opacity .26s var(--ease), transform .4s var(--ease); }
  .vpanel.is-swap .vpanel__in { opacity: 0; transform: translateY(10px); }
  .vpanel__icon { width: 58px; height: 58px; border-radius: 18px; display: grid; place-items: center; color: #fff; background: var(--grad-btn-hover); box-shadow: 0 14px 28px -14px rgb(var(--blue-rgb) / .8); }
  .vpanel__icon svg { width: 26px; height: 26px; }
  .vpanel__title { display: block; min-width: 0; font-size: clamp(1.5rem, 2.2vw, 1.95rem); font-weight: 800; letter-spacing: -.035em; line-height: 1.15; color: var(--ink); white-space: nowrap; }
  .vpanel .desc { font-size: clamp(14.5px, 1.25vw, 16px); line-height: 1.75; max-width: 560px; }
  .vpanel .vrow__proof { margin-top: 2px; font-size: 14px; padding: 13px 16px; }
}

/* ==========================================================================
   5. NĂNG LỰC
   ========================================================================== */
.skills { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 16px; }
.skill { position: relative; min-width: 0; padding: 26px 24px; border-radius: var(--r-lg); background: rgba(255, 255, 255, .66); border: 1px solid rgba(255, 255, 255, .9); box-shadow: var(--shadow-card); display: flex; flex-direction: column; gap: 10px; min-height: 300px; transition: transform .7s var(--ease), background .5s; }
.skill:hover { transform: translateY(-6px); background: rgba(255, 255, 255, .9); }
.skill__top { display: flex; justify-content: space-between; align-items: center; margin-bottom: 6px; }
.skill__ico { width: 46px; height: 46px; border-radius: 14px; display: grid; place-items: center; background: var(--grad-lux); color: var(--ink); border: 1px solid rgba(255, 255, 255, .9); transition: transform .7s var(--ease); }
.skill:hover .skill__ico { transform: rotate(-10deg) scale(1.06); }
.skill__ico svg { width: 22px; height: 22px; }
.skill__idx { font-size: 12px; font-weight: 700; color: var(--ink-3); letter-spacing: .1em; white-space: nowrap; }
.skill__title { display: block; font-size: 1.25rem; font-weight: 800; letter-spacing: -.03em; line-height: 1.25; }
.skill__sub { font-size: 12.5px; font-weight: 600; color: var(--ink-3); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
/* Lớp bọc của accordion Năng lực: máy tính coi như không có, bố cục thẻ giữ nguyên (xem initSkills).
   display: contents xoá hộp của <button> nhưng thuộc tính kế thừa thì VẪN truyền xuống,
   nên phải trả text-align về trái, nếu không chữ trong thẻ bị canh giữa theo mặc định của nút. */
.skill__head, .skill__body, .skill__inner { display: contents; }
.skill__head { text-align: left; }
.skill__toggle { display: none; }
.checks { display: grid; gap: 9px; margin-top: auto; padding-top: 14px; }
.checks li { display: grid; grid-template-columns: 20px 1fr; gap: 8px; font-size: 13.5px; color: var(--ink-2); line-height: 1.45; transition: transform .45s var(--ease); }
.checks li:hover { transform: translateX(4px); }
.checks li::before { content: ""; width: 18px; height: 18px; margin-top: 1px; border-radius: 50%; background: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23FFFFFF' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'><path d='M6 12.5l4 4 8-9'/></svg>") center / 11px no-repeat, var(--grad-btn-hover); }
/* Ô trọng tâm "Marketing Strategy": ảnh chân dung ngoài đồng cỏ làm nền (assets/img/skills/strategy.jpg, nhân vật ở bên trái),
   phủ một lớp màu navy trong suốt đậm dần từ trên xuống, toàn bộ chữ màu trắng. Chữ căn lề bình thường như các ô khác, được phép đè lên ảnh. */
.skill--feat, .skill--feat:hover { grid-column: span 2; color: #fff; isolation: isolate; overflow: hidden; border-color: rgba(255, 255, 255, .32);
  background: #0F1A3A url("../assets/img/skills/strategy.jpg") 22% 30% / cover no-repeat; }
.skill--feat::before { content: ""; position: absolute; inset: 0; z-index: -1; border-radius: inherit; pointer-events: none;
  background: linear-gradient(180deg, rgb(10 20 58 / .3) 0%, rgb(10 20 58 / .44) 45%, rgb(10 20 58 / .78) 100%); }
.skill--feat .skill__title { font-size: 1.9rem; color: #fff; }
.skill--feat .skill__sub { color: rgba(255, 255, 255, .78); }
.skill--feat .skill__idx { color: rgba(255, 255, 255, .72); }
.skill--feat .desc { max-width: 520px; color: rgba(255, 255, 255, .9); }
.skill--feat .checks li { color: #fff; }
.skill--feat .skill__ico { color: #fff; background: rgba(255, 255, 255, .16); border-color: rgba(255, 255, 255, .38); backdrop-filter: blur(6px); -webkit-backdrop-filter: blur(6px); }
@media (min-width: 1025px) { .skill--feat { min-height: 340px; } }
/* màn hẹp: ô đứng nên ảnh bị cắt hai bên → dịch khung nhìn sang phải để nhân vật nép mép trái, chữ nằm trên nền trời */
@media (max-width: 1024px) { .skill--feat, .skill--feat:hover { background-position: 40% 30%; }
  .skill--feat::before { background: linear-gradient(180deg, rgb(10 20 58 / .34) 0%, rgb(10 20 58 / .5) 45%, rgb(10 20 58 / .8) 100%); } }
.checks--2 { grid-template-columns: 1fr 1fr; column-gap: 18px; }
.skill--tools { grid-column: 1 / -1; display: grid; grid-template-columns: minmax(0, .8fr) minmax(0, 1.2fr); gap: 24px; min-height: 320px; background: var(--grad-dark); color: var(--ivory); border-color: rgba(255, 255, 255, .06); }
.skill--tools:hover { background: var(--grad-dark); transform: none; }
.skill--tools__info { display: flex; flex-direction: column; gap: 10px; justify-content: center; min-width: 0; }
.skill--tools .skill__sub { color: var(--taupe); }
.skill--tools .skill__idx { color: var(--taupe); }
.sphere { position: relative; min-height: 280px; cursor: grab; touch-action: pan-y; user-select: none; }
.sphere:active { cursor: grabbing; }
.sphere span { position: absolute; left: 50%; top: 50%; white-space: nowrap; font-size: 12.5px; font-weight: 600; padding: 5px 11px; border-radius: 999px; background: rgb(13 21 48 / .92); border: 1px solid rgb(var(--ivory-rgb) / .16); color: var(--ivory); will-change: transform, opacity; }

/* ==========================================================================
   6. QUY TRÌNH — sân khấu theo cuộn
   ========================================================================== */
.process { position: relative; }
.process__pin { height: 380vh; position: relative; }
.process__sticky { position: sticky; top: 0; height: 100vh; height: 100svh; display: flex; flex-direction: column; justify-content: center; padding-top: 64px; overflow: hidden; }
.process .sec-head { margin-bottom: clamp(26px, 4vh, 44px); }
.process__count { font-size: clamp(1.6rem, 3vw, 2.6rem); font-weight: 800; letter-spacing: -.05em; line-height: 1; font-variant-numeric: tabular-nums; white-space: nowrap; }
.process__count small { font-size: .5em; color: var(--taupe); letter-spacing: 0; }
.pflow__rail { position: relative; display: grid; grid-template-columns: repeat(6, minmax(0, 1fr)); margin-bottom: clamp(26px, 5vh, 52px); }
.pflow__line { position: absolute; left: calc(100% / 12); right: calc(100% / 12); top: 7px; height: 2px; background: rgb(var(--ivory-rgb) / .12); border-radius: 2px; }
.pflow__line i { position: absolute; inset: 0; transform-origin: left; transform: scaleX(var(--pp, 0)); background: linear-gradient(90deg, var(--cyan), var(--sky) 50%, var(--taupe)); border-radius: 2px; }
.pflow__line b { position: absolute; top: 50%; left: calc(var(--pp, 0) * 100%); width: 12px; height: 12px; margin: -6px 0 0 -6px; border-radius: 50%; background: var(--ivory); box-shadow: 0 0 0 6px rgb(var(--ivory-rgb) / .12), 0 0 26px rgb(var(--ivory-rgb) / .7); }
.pnode { position: relative; display: grid; justify-items: center; gap: 8px; color: rgb(var(--ivory-rgb) / .45); transition: color .45s; min-width: 0; }
.pnode__dot { width: 16px; height: 16px; border-radius: 50%; border: 2px solid rgb(var(--ivory-rgb) / .3); background: var(--espresso); transition: background .4s, border-color .4s, transform .5s var(--ease), box-shadow .5s; }
.pnode__n { font-size: 11.5px; font-weight: 700; letter-spacing: .14em; }
.pnode__t { font-size: 13px; font-weight: 600; white-space: nowrap; }
.pnode:hover { color: var(--ivory); }
.pnode:hover .pnode__dot { transform: scale(1.2); }
.pnode.is-on { color: rgb(var(--ivory-rgb) / .85); }
.pnode.is-on .pnode__dot { background: var(--ivory); border-color: var(--ivory); }
.pnode.is-current { color: var(--ivory); }
.pnode.is-current .pnode__dot { transform: scale(1.3); box-shadow: 0 0 0 7px rgb(var(--ivory-rgb) / .14); }
.pflow__stage { position: relative; min-height: clamp(220px, 32vh, 300px); }
.pstep { position: absolute; inset: 0; display: grid; grid-template-columns: minmax(0, .75fr) minmax(0, 1.25fr); gap: clamp(24px, 5vw, 80px); align-items: center; opacity: 0; transform: translate3d(0, 28px, 0); filter: blur(8px); transition: opacity .6s var(--ease), transform .9s var(--ease), filter .6s var(--ease); pointer-events: none; }
.pstep.is-current { opacity: 1; transform: none; filter: none; pointer-events: auto; }
.pstep__n { font-size: clamp(6rem, 15vw, 12.5rem); font-weight: 800; line-height: .8; letter-spacing: -.07em; color: transparent; -webkit-text-stroke: 1.5px rgb(var(--ivory-rgb) / .32); }
.pstep:nth-of-type(odd) .pstep__n { color: var(--ivory); -webkit-text-stroke: 0; }
.pstep__body { min-width: 0; display: grid; gap: 14px; }
.pstep__title { display: block; font-size: clamp(1.6rem, 3.2vw, 2.9rem); font-weight: 800; letter-spacing: -.04em; line-height: 1.12; }
.pstep .desc { max-width: 560px; font-size: 15px; }
.pstep__out { justify-self: start; display: inline-flex; align-items: center; gap: 8px; font-size: 12.5px; font-weight: 600; color: var(--greige); padding: 8px 14px; border-radius: 999px; border: 1px solid var(--line-light); white-space: nowrap; }

/* ==========================================================================
   7. DỰ ÁN
   ========================================================================== */
/* Section "Dự án đã triển khai" (bức tường dự án, bấm ô mở Google Drive) nằm trong css/showcase.css */

/* ==========================================================================
   8. ĐỐI TÁC — 2 hàng logo chạy ngược chiều (JS: sections.js › renderPartners)
   ========================================================================== */
/* Logo TRẮNG trên nền tối (kiểu ledinhtuan.com): mỗi logo nằm giữa một ô cùng cỡ.
   Cỡ logo: JS đặt --w/--h (px ở máy tính) theo tỉ lệ khung + hệ số scale; --u thu nhỏ theo màn hình. */
#doi-tac { background: radial-gradient(70% 55% at 50% 58%, rgb(var(--blue-rgb) / .1), transparent 70%), linear-gradient(180deg, #070A15 0%, #0A0E1F 100%); }
.logos { --cell: 252px; --row: 96px; --u: 1px; display: grid; gap: 18px; }
.logos__row {
  overflow: hidden; cursor: grab; touch-action: pan-y; user-select: none; -webkit-user-select: none;
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 12%, #000 88%, transparent); mask-image: linear-gradient(90deg, transparent, #000 12%, #000 88%, transparent);
}
.logos__row.is-drag { cursor: grabbing; }
.logos__track { display: flex; width: max-content; margin: 0; padding: 0; list-style: none; will-change: transform; }
.logos__item { flex: none; }
.logos__box { display: grid; place-items: center; width: var(--cell); height: var(--row); }
.logos__box img { display: block; width: calc(var(--w, 120) * var(--u)); height: calc(var(--h, 36) * var(--u)); object-fit: contain; pointer-events: none;
  opacity: .92; transition: opacity .4s, transform .55s var(--ease); }
.logos__item:hover .logos__box img { opacity: 1; transform: scale(1.06); }
.logos__word { display: grid; justify-items: center; gap: 5px; font-size: 1.45rem; font-weight: 800; letter-spacing: -.045em; line-height: 1; color: #fff; white-space: nowrap; }
.logos__word small { font-size: 10px; font-weight: 600; letter-spacing: .34em; margin-right: -.34em; text-transform: uppercase; }
.logos-cta { display: flex; width: max-content; max-width: 100%; margin: clamp(30px, 4vw, 48px) auto 0; align-items: center; gap: 10px; font-size: 14px; color: rgb(var(--ivory-rgb) / .6); }
.logos-cta b { color: var(--ivory); font-weight: 700; }
.logos-cta svg { width: 16px; height: 16px; color: var(--ivory); transition: transform .4s var(--ease); }
.logos-cta:hover svg { transform: translateX(4px); }

/* ==========================================================================
   9. FEEDBACK
   ========================================================================== */
.fb__viewport {
  --bleed: max(var(--gutter), calc((100vw - var(--maxw)) / 2 + var(--gutter)));
  overflow: hidden; cursor: grab;
  margin-inline: calc(var(--bleed) * -1); padding: 10px var(--bleed) 30px;
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 var(--bleed), #000 calc(100% - var(--bleed)), transparent);
  mask-image: linear-gradient(90deg, transparent, #000 var(--bleed), #000 calc(100% - var(--bleed)), transparent);
}
.fb__viewport.is-drag { cursor: grabbing; }
.fb__track { display: flex; gap: 18px; width: max-content; will-change: transform; }
.quote { position: relative; width: min(420px, 82vw); padding: 30px 28px 26px; border-radius: var(--r-lg); background: rgba(255, 255, 255, .72); border: 1px solid rgba(255, 255, 255, .9); box-shadow: var(--shadow-card); display: flex; flex-direction: column; gap: 18px; min-height: 300px; user-select: none; transition: transform .6s var(--ease); }
.quote:hover { transform: translateY(-6px); }
.quote__mark { width: 36px; height: 36px; color: var(--taupe); }
.quote__text { font-size: 15.5px; color: var(--ink-2); display: block; -webkit-line-clamp: unset; line-clamp: unset; overflow: visible; } /* không cắt dòng: nhận xét đã viết gọn khoảng 4 dòng, luôn hiện trọn câu */
.quote__who { margin-top: auto; display: flex; flex-direction: column; align-items: center; text-align: center; gap: 6px; padding-top: 18px; border-top: 1px solid var(--line); min-width: 0; }
.quote__av { width: 56px; height: 56px; border-radius: 50%; display: grid; place-items: center; font-weight: 800; background: var(--grad-lux); color: var(--ink); border: 1px solid #fff; flex: none; overflow: hidden; }
.quote__av img { width: 100%; height: 100%; object-fit: cover; }
.quote__av--logo { width: 64px; height: 64px; padding: 6px; background: #fff; }
.quote__av--logo img { width: 100%; height: 100%; object-fit: contain; }
.quote__name { display: block; font-size: 15px; letter-spacing: -.01em; }
.quote__role { display: block; font-size: 12.5px; color: var(--ink-3); }
.quote--proof { background: var(--grad-dark); color: var(--ivory); border-color: transparent; }
.quote--proof .quote__text { color: rgb(var(--ivory-rgb) / .85); }
.quote--proof .quote__who { border-top-color: rgb(var(--ivory-rgb) / .14); }
.quote--proof .quote__role { color: var(--taupe); }
.quote--proof .quote__av { background: var(--ivory); }
.quote__badge { align-self: flex-start; font-size: 10.5px; font-weight: 700; letter-spacing: .14em; text-transform: uppercase; padding: 6px 10px; border-radius: 999px; border: 1px solid currentColor; opacity: .7; white-space: nowrap; }
.quote.is-draft { background: rgba(255, 255, 255, .4); border-style: dashed; border-color: rgb(var(--ink-rgb) / .2); box-shadow: none; }
.quote.is-draft .quote__text { color: var(--ink-3); font-style: italic; }
.fb__nav { display: flex; gap: 10px; }

/* ==========================================================================
   10. LIÊN HỆ
   ========================================================================== */
.cta__panel { position: relative; border-radius: var(--r-xl); overflow: hidden; background: var(--grad-lux); box-shadow: var(--shadow-float); display: grid; grid-template-columns: minmax(0, 1.25fr) minmax(0, .75fr); isolation: isolate; }
.cta__panel::before { content: ""; position: absolute; inset: 0; z-index: -1; background: radial-gradient(50% 70% at 10% 0%, rgba(255, 255, 255, .7), transparent 60%), radial-gradient(40% 60% at 90% 100%, rgb(var(--taupe-rgb) / .45), transparent 70%); }
.cta__main { padding: clamp(34px, 6vw, 76px); display: flex; flex-direction: column; justify-content: center; gap: 22px; min-width: 0; }
.cta__title { display: block; font-size: clamp(2.2rem, 5vw, 4.4rem); font-weight: 800; letter-spacing: -.045em; line-height: 1.1; }
.cta__main .desc { max-width: 560px; color: var(--ink-2); }
.cta__meta { display: flex; flex-wrap: wrap; gap: 10px 22px; font-size: 13px; color: var(--ink-3); }
.cta__meta > span { display: inline-flex; align-items: center; gap: 8px; white-space: nowrap; }
.cta__meta svg { width: 16px; height: 16px; }
.cta__meta b { color: var(--ink); font-variant-numeric: tabular-nums; }
.cta__side { position: relative; padding: clamp(20px, 3vw, 32px); display: grid; place-items: center; }
.bio { width: 100%; max-width: 360px; border-radius: 32px; background: rgb(var(--ivory-rgb) / .7); border: 1px solid rgba(255, 255, 255, .9); box-shadow: var(--shadow-float); backdrop-filter: blur(16px); overflow: hidden; transform-style: preserve-3d; }
.bio__photo { position: relative; aspect-ratio: 1 / 1; overflow: hidden; }
.bio__photo.reveal-img { clip-path: inset(100% 0 0 0); }
.bio__photo.reveal-img.is-in { clip-path: inset(0 0 0 0); }
.bio__photo img { width: 100%; height: 100%; object-fit: cover; object-position: 50% 15%; }
.bio__photo::after { content: ""; position: absolute; inset: 55% 0 0; background: linear-gradient(transparent, rgb(var(--ivory-rgb) / .95)); }
.bio__body { position: relative; margin-top: -58px; padding: 0 22px 22px; display: grid; gap: 12px; transform: translateZ(30px); }
.bio__name { font-size: 1.35rem; font-weight: 800; letter-spacing: -.03em; line-height: 1.2; display: flex; align-items: center; gap: 8px; white-space: nowrap; }
.bio__name svg { width: 18px; height: 18px; color: var(--blue); }
.bio__role { font-size: 13px; color: var(--ink-3); margin-top: -8px; }
.bio__links { display: grid; gap: 8px; }
.bio__link { display: flex; align-items: center; justify-content: space-between; gap: 10px; padding: 12px 14px; border-radius: 16px; background: #fff; border: 1px solid var(--line-2); font-size: 14px; font-weight: 600; transition: transform .4s var(--ease), background .3s, color .3s; text-align: left; width: 100%; }
a.bio__link:hover, button.bio__link:hover { transform: translateX(4px); background: var(--ink); color: var(--ivory); }
a.bio__link:hover small, button.bio__link:hover small { color: var(--taupe); }
.bio__link span { display: flex; align-items: center; gap: 10px; min-width: 0; }
.bio__link span em { font-style: normal; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.bio__link svg { width: 18px; height: 18px; flex: none; }
.bio__link small { font-size: 12px; color: var(--ink-3); font-weight: 600; flex: none; transition: color .3s; }

/* ==========================================================================
   11. FOOTER
   ========================================================================== */
.footer { background: var(--grad-dark); color: var(--ivory); padding-top: clamp(72px, 9vw, 116px); overflow: hidden; position: relative; }
.footer__grid { display: grid; grid-template-columns: minmax(0, 1.15fr) minmax(0, 1fr) minmax(0, .95fr); gap: 40px; padding-bottom: 52px; border-bottom: 1px solid var(--line-light); }
.footer__brand { display: grid; gap: 8px; align-content: start; }
.footer__brand b { font-size: 1.6rem; font-weight: 800; letter-spacing: -.04em; white-space: nowrap; }
.footer__id { display: flex; align-items: center; gap: 12px; }
.footer__logo { width: 44px; height: 44px; border-radius: 50%; display: grid; place-items: center; background: #fff; flex: none; box-shadow: 0 0 0 4px rgb(var(--ivory-rgb) / .06), 0 10px 30px -8px rgb(var(--blue-rgb) / .7); }
.footer__logo img { width: 68%; height: 68%; }
.footer__role { font-size: 12px; font-weight: 600; letter-spacing: .18em; text-transform: uppercase; color: var(--taupe); }
.footer__brand .desc { max-width: 340px; font-size: 13.5px; margin-top: 8px; }
.footer h4 { font-size: 12px; font-weight: 600; letter-spacing: .18em; text-transform: uppercase; color: var(--taupe); margin-bottom: 16px; }
.footer__list { display: grid; gap: 10px; font-size: 14.5px; }
.footer__list--2 { grid-template-columns: repeat(2, minmax(0, 1fr)); column-gap: 20px; }
.footer__list a, .footer__clock { color: rgb(var(--ivory-rgb) / .82); transition: color .3s, transform .4s var(--ease); display: inline-flex; gap: 8px; align-items: center; white-space: nowrap; }
.footer__list a:hover { color: #fff; transform: translateX(4px); }
.footer__clock b { font-variant-numeric: tabular-nums; color: var(--ivory); }
.footer__cv { display: grid; gap: 12px; align-content: start; }
.footer__bottom { display: flex; justify-content: space-between; gap: 20px; flex-wrap: wrap; padding-block: 24px; font-size: 13px; color: rgb(var(--ivory-rgb) / .5); }
.footer__top { display: inline-flex; align-items: center; gap: 8px; color: rgb(var(--ivory-rgb) / .8); }
.footer__top svg { width: 16px; height: 16px; transition: transform .4s var(--ease); }
.footer__top:hover svg { transform: translateY(-3px); }
/* Chữ lớn cuối trang: hiện trọn chữ, từng từ trồi lên khi cuộn tới (data-split + fx.js › initFooterMark) */
.footer__mark { font-size: clamp(3.25rem, 15vw, 16rem); font-weight: 800; letter-spacing: -.07em; line-height: .8; white-space: nowrap; text-align: center; padding-block: 10px clamp(18px, 2.6vw, 38px); user-select: none; }
.footer__mark > span:not(.split), .footer__mark .w__in { display: inline-block; padding-inline: .1em; margin-inline: -.1em; background: linear-gradient(180deg, rgb(var(--ivory-rgb) / .5), rgb(var(--ivory-rgb) / .1)); -webkit-background-clip: text; background-clip: text; color: transparent; }
/* letter-spacing âm làm chữ cái cuối lấn ra ngoài hộp của từ: nới cả khung che (.w) lẫn vùng tô nền gradient (.w__in) */
.footer__mark .w { padding-inline: .12em; margin-inline: -.12em; }
.footer__mark .w__in { transition-duration: 1.3s; transition-delay: calc(var(--wi, 0) * 130ms + 80ms); }

/* ==========================================================================
   CURSOR · TOAST · PROGRESS · VỀ ĐẦU TRANG
   ========================================================================== */
.cursor, .cursor-ring { position: fixed; left: 0; top: 0; z-index: 300; pointer-events: none; border-radius: 50%; opacity: 0; transition: opacity .4s; }
.has-cursor .cursor, .has-cursor .cursor-ring { opacity: 1; }
.cursor { width: 6px; height: 6px; margin: -3px 0 0 -3px; mix-blend-mode: difference; background: #fff; }
.cursor-ring { width: 40px; height: 40px; margin: -20px 0 0 -20px; border: 1px solid rgb(var(--ink-rgb) / .45); display: grid; place-items: center; transition: width .45s var(--ease), height .45s var(--ease), margin .45s var(--ease), background .35s, border-color .35s, opacity .4s; }
.cursor-ring span { font-size: 11px; font-weight: 700; letter-spacing: .08em; color: var(--ivory); opacity: 0; transition: opacity .3s; text-transform: uppercase; }
.cursor-ring.is-hover { width: 64px; height: 64px; margin: -32px 0 0 -32px; background: rgb(var(--ink-rgb) / .08); }
.cursor-ring.is-label { width: 84px; height: 84px; margin: -42px 0 0 -42px; background: var(--ink); border-color: var(--ink); }
.cursor-ring.is-label span { opacity: 1; }
.cursor-ring.is-dark { border-color: rgb(var(--ivory-rgb) / .5); }
@media (hover: none), (pointer: coarse) { .cursor, .cursor-ring { display: none; } }
.toast { position: fixed; left: 50%; bottom: 28px; z-index: 250; transform: translate(-50%, calc(100% + 60px)); padding: 12px 20px; border-radius: 999px; background: var(--ink); color: var(--ivory); font-size: 14px; font-weight: 600; box-shadow: var(--shadow-float); transition: transform .6s var(--ease); display: flex; gap: 10px; align-items: center; white-space: nowrap; }
.toast.is-on { transform: translate(-50%, 0); }
.progress { position: fixed; left: 0; top: 0; right: 0; height: 2px; z-index: 120; transform-origin: left; transform: scaleX(var(--sp, 0)); background: var(--grad-brand); }
.totop { position: fixed; right: clamp(16px, 2.2vw, 26px); bottom: clamp(16px, 2.2vw, 26px); z-index: 110; width: 54px; height: 54px; border-radius: 50%; display: grid; place-items: center; background: rgb(var(--ivory-rgb) / .78); border: 1px solid rgba(255, 255, 255, .85); box-shadow: var(--shadow-float); backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px); color: var(--ink); opacity: 0; transform: translateY(20px) scale(.8); pointer-events: none; transition: opacity .5s var(--ease), transform .6s var(--ease), background .3s, color .3s; }
.totop.is-on { opacity: 1; transform: none; pointer-events: auto; }
.totop:hover { background: var(--ink); color: var(--ivory); }
.totop .ring { position: absolute; inset: 3px; width: calc(100% - 6px); height: calc(100% - 6px); transform: rotate(-90deg); }
.totop .ring circle { fill: none; stroke-width: 2; }
.totop__track { stroke: var(--line); }
.totop__bar { stroke: var(--blue); stroke-linecap: round; }
.totop > .ico { width: 18px; height: 18px; transition: transform .5s var(--ease); }
.totop:hover > .ico { transform: translateY(-3px); }

/* Hiện dần khi cuộn */
.rv { opacity: 0; transform: translate3d(0, 34px, 0); filter: blur(6px); transition: opacity 1s var(--ease), transform 1.2s var(--ease), filter 1s var(--ease); transition-delay: calc(var(--d, 0) * 90ms); }
.rv.is-in { opacity: 1; transform: none; filter: none; }


/* ==========================================================================
   RESPONSIVE
   ========================================================================== */
@media (max-width: 1180px) {
  .nav__links a { padding: 9px 10px; font-size: 13.5px; }
  .nav__badge { display: none; }
  .skills { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .footer__grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .footer__brand { grid-column: span 2; }
}
@media (max-width: 1024px) {
  .nav__links { display: none; }
  .nav__burger { display: block; }
  .sec-head__foot { grid-template-columns: 1fr; }
  .sec-head__rule { display: none; }
  .about__grid { grid-template-columns: 1fr; }
  .portrait { position: relative; top: 0; max-width: 440px; }
  .vrow__content { max-width: none; }
  .cta__panel { grid-template-columns: 1fr; }
  .process__pin { height: auto; }
  .process__sticky { position: relative; height: auto; padding-block: clamp(92px, 12vw, 140px); }
  .pflow__rail { display: none; }
  .pflow__stage { min-height: 0; display: grid; gap: 12px; }
  .pstep { position: relative; inset: auto; opacity: 1; transform: none; filter: none; pointer-events: auto; grid-template-columns: 76px minmax(0, 1fr); gap: 18px; align-items: start; padding: 22px 20px; border-radius: var(--r-md); border: 1px solid var(--line-light); background: rgb(var(--ivory-rgb) / .03); }
  .pstep__n { font-size: 3rem; -webkit-text-stroke-width: 1.2px; }
  .pstep:nth-of-type(odd) .pstep__n { -webkit-text-stroke-width: 0; }
  .pstep__title { font-size: 1.3rem; }
  .pstep .desc { font-size: 14px; }
  /* Quy trinh tren mobile: moi the nam tron trong container, noi dung dai duoc xuong dong. */
  .process .pstep,
  .process .pstep__body,
  .process .pstep .desc { min-width: 0; max-width: 100%; }
  .process .pstep__title,
  .process .pstep .desc,
  .process .pstep__out { overflow-wrap: anywhere; }
  .process .pstep__out { width: 100%; white-space: normal; line-height: 1.45; }
  /* hàng thẻ trôi liên tục trên điện thoại (js initCasual, khối có data-casual="mobile") */
  .is-casual { display: block; }
  .cmar { --bleed: var(--gutter); overflow: hidden; cursor: grab; touch-action: pan-y; margin-inline: calc(var(--bleed) * -1); padding: 6px var(--bleed) 14px;
    -webkit-mask-image: linear-gradient(90deg, transparent, #000 var(--bleed), #000 calc(100% - var(--bleed)), transparent);
    mask-image: linear-gradient(90deg, transparent, #000 var(--bleed), #000 calc(100% - var(--bleed)), transparent); }
  .cmar.is-drag { cursor: grabbing; }
  .cmar__track { display: flex; align-items: stretch; gap: 14px; width: max-content; will-change: transform; }
  .cmar .pstep { width: min(320px, 78vw); flex: none; grid-template-columns: 1fr; gap: 10px; align-content: start; }
  .cmar .pstep__n { font-size: 2.4rem; }
  .cmar .pstep .desc { display: block; -webkit-line-clamp: unset; line-clamp: unset; overflow: visible; }
}
@media (max-width: 760px) {
  body { font-size: 15.5px; }
  .sec-head--aside { display: flex; align-items: stretch; }
  .nav { top: 10px; }
  .nav__inner { height: 58px; }
  .nav__name { font-size: 15px; }
  .nav__actions .btn { display: none; }
  .hero { height: 760vh; }
  .hud__rail { display: none; }
  .ch--intro { left: 20px; right: 20px; bottom: auto; top: 50%; transform: translateY(-38%); width: auto; padding: 0; }
  .hero-eyebrow { font-size: 11px; letter-spacing: .12em; }
  .hero-role { font-size: .95rem; }
  .hero-pos { font-size: 13.5px; }
  .ch--left, .ch--right { left: 20px; right: 20px; width: auto; top: auto; bottom: 88px; transform: none; padding: 0; }
  .ch-stat b { font-size: 1.7rem; }
  .ch-stat > span { max-width: none; }
  .ch__stats { gap: 18px; margin-top: 18px; }
  .ch .chip { font-size: 1rem; }
  .ch .chip { column-gap: 12px; }
  .ch .ch__chips { gap: 11px; }
  .ch__text { max-width: none; }
  .hud__cam { left: 16px; right: 16px; justify-content: center; bottom: 26px; }
  .hud__cam .hud__pill:nth-child(n+3) { display: none; }
  .hud__scroll { display: none; }
  .strengths { grid-template-columns: 1fr; }
  .tl { grid-template-columns: 1fr; gap: 4px; }
  .vrow__head { grid-template-columns: 38px minmax(0, 1fr) 34px; gap: 12px; padding: 13px 14px; }
  .vrow__num { display: none; }
  .vrow__icon { width: 38px; height: 38px; border-radius: 11px; }
  .vrow__toggle { width: 34px; height: 34px; }
  .vrow__content { padding: 0 14px 16px; }
  .vrow__content .desc { font-size: 14.5px; }
  .vrow__title { white-space: normal; font-size: 1rem; }
  .skills { grid-template-columns: 1fr; }
  .skill { min-height: 0; }
  .skill--feat { grid-column: span 1; }
  /* 6 thẻ giữa thu lại thành hàng bấm mở, cùng ngôn ngữ với section Giá trị (.vrow) */
  .skill--acc { gap: 0; padding: 14px 16px; }
  .skill--acc:hover { transform: none; }
  .skill--acc .skill__head { display: grid; grid-template-columns: 24px 42px minmax(0, 1fr) 30px; align-items: center; column-gap: 10px; width: 100%; text-align: left; cursor: pointer; }
  .skill--acc .skill__top { display: contents; }
  .skill--acc .skill__idx { grid-column: 1; grid-row: 1 / span 2; font-size: 11px; letter-spacing: .06em; }
  .skill--acc .skill__ico { grid-column: 2; grid-row: 1 / span 2; width: 42px; height: 42px; border-radius: 13px; }
  .skill--acc .skill__ico svg { width: 20px; height: 20px; }
  .skill--acc .skill__title { grid-column: 3; grid-row: 1; min-width: 0; font-size: 1.08rem; }
  .skill--acc .skill__sub { grid-column: 3; grid-row: 2; white-space: normal; overflow: visible; text-overflow: clip; line-height: 1.4; }
  .skill--acc .skill__toggle { grid-column: 4; grid-row: 1 / span 2; display: grid; place-items: center; width: 30px; height: 30px; border-radius: 50%; border: 1px solid var(--line); background: rgba(255, 255, 255, .8); color: var(--ink-2); transition: transform .5s var(--ease), background .4s, color .4s, border-color .4s; }
  .skill--acc .skill__toggle svg { width: 14px; height: 14px; }
  .skill--acc.is-open .skill__toggle { transform: rotate(45deg); background: var(--ink); color: var(--ivory); border-color: transparent; }
  .skill--acc.is-open .skill__ico { background: var(--grad-btn-hover); color: #fff; border-color: transparent; }
  .skill--acc .skill__body { display: grid; grid-template-rows: 0fr; transition: grid-template-rows .55s var(--ease); }
  .skill--acc.is-open .skill__body { grid-template-rows: 1fr; }
  .skill--acc .skill__inner { display: block; overflow: hidden; min-height: 0; }
  .skill--acc .checks { margin-top: 0; padding-top: 14px; padding-left: 72px; opacity: 0; transform: translateY(6px); transition: opacity .4s var(--ease), transform .5s var(--ease); }
  .skill--acc.is-open .checks { opacity: 1; transform: none; transition-delay: .1s; }
  .skill--feat .skill__title { font-size: 1.6rem; }
  .checks--2 { grid-template-columns: 1fr; }
  .skill--tools { grid-template-columns: 1fr; }
  .sphere { min-height: 260px; }
  .logos { --cell: 168px; --row: 72px; --u: .7px; gap: 8px; }
  .logos__word { font-size: 1.05rem; gap: 4px; }
  .logos__word small { font-size: 8px; }
  .pstep { grid-template-columns: 1fr; gap: 8px; }
  .pstep__n { font-size: 2.2rem; }
  .fb__nav .round { width: 46px; height: 46px; }
  .footer__grid { grid-template-columns: 1fr; }
  .footer__brand { grid-column: span 1; }
  .portrait__badge--a { left: 10px; }
  .btn { --bh: 50px; padding: 0 22px; }
  .totop { width: 48px; height: 48px; }
  .desc--lg { font-size: 14.5px; }
  .cta__main { padding: 30px 22px; }
}
@media (max-width: 380px) {
  .vrow__head { padding: 12px; gap: 10px; grid-template-columns: 34px minmax(0, 1fr) 32px; }
  .vrow__icon { width: 34px; height: 34px; }
  .vrow__toggle { width: 32px; height: 32px; }
  .vrow__content { padding: 0 12px 14px; }
  .vrow__proof { grid-template-columns: 1fr; gap: 6px; }
  .desc { font-size: 13.5px; }
}

/* Màn hình thấp: thu gọn khối định vị để không chạm thanh menu */
@media (max-height: 720px) and (min-width: 761px) {
  .ch--intro { bottom: 52px; }
  .hero-eyebrow { margin-bottom: 10px; }
  .hero-role { margin-top: 10px; font-size: 1rem; }
  .hero-pos { margin-top: 6px; font-size: 14px; max-width: 460px; }
  .hero-cta { margin-top: 16px; }
  .hud__cam { bottom: 22px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; scroll-behavior: auto !important; }
  .rv, .sec-head__foot .desc { opacity: 1; transform: none; filter: none; }
  .split .w__in, .hero-name .hn > span { transform: none; }
  .reveal-img { clip-path: none; }
  .grain { display: none; }
}