/* Hoàng Vân Hòa Bình — hoangvanhoabinh.vn */
:root {
  --teal-950: #0a1b13;
  --teal-900: #10271c;
  --teal-800: #153425;
  --teal-700: #1d4435;
  --teal-500: #3d6b57;
  --cream: #f3f1ea;
  --paper: #fbfaf6;
  --ink: #17241d;
  --ink-soft: #55625b;
  --gold: #d9c6a1;
  --gold-soft: #e7dcc4;
  --orange: #9a1b26;
  --line: rgba(23, 36, 29, .14);
  --line-light: rgba(243, 241, 234, .18);
  --serif: 'Be Vietnam Pro', system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
  --sans: 'Be Vietnam Pro', system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
  --ease: cubic-bezier(.2, .7, .2, 1);
  --header-h: 84px;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font: 400 16px/1.75 var(--sans);
  color: var(--ink);
  background: var(--paper);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
h1, h2, h3, p, dl, dd, ul, figure { margin: 0; }
ul { padding: 0; list-style: none; }
address { font-style: normal; }
button { font: inherit; color: inherit; background: none; border: 0; padding: 0; cursor: pointer; }
[hidden] { display: none !important; }
[id] { scroll-margin-top: 68px; }
:focus-visible { outline: 2px solid var(--gold); outline-offset: 3px; }
::selection { background: var(--gold); color: var(--teal-900); }

.container { width: 100%; max-width: 1280px; margin-inline: auto; padding-inline: clamp(20px, 5vw, 56px); }
.skip { position: fixed; left: 12px; top: -60px; z-index: 200; background: var(--gold); color: var(--teal-900); padding: 10px 16px; border-radius: 4px; transition: top .2s; }
.skip:focus { top: 12px; }

/* ---------- Typography ---------- */
.kicker {
  display: flex; align-items: center; gap: 14px;
  font: 500 .72rem/1.4 var(--sans); letter-spacing: .26em; text-transform: uppercase;
  color: #9a7b3f;
}
.kicker::before { content: ''; width: 36px; height: 1px; background: currentColor; opacity: .8; }
.kicker--light { color: var(--gold-soft); }
.h2 {
  font: 500 clamp(2.3rem, 4.6vw, 4rem)/1.12 var(--serif);
  letter-spacing: -.01em;
  margin-top: 22px;
}
.h2 em { font-style: italic; color: #a8843f; }
.section--teal .h2 em, .section--dark .h2 em { color: var(--gold); }
.lead { font-size: 1.1rem; line-height: 1.75; }

/* ---------- Buttons ---------- */
.btn {
  position: relative; display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  padding: 17px 30px; border-radius: 2px;
  font: 500 .8rem/1 var(--sans); letter-spacing: .16em; text-transform: uppercase; white-space: nowrap;
  transition: background-color .3s var(--ease), color .3s var(--ease), border-color .3s var(--ease), transform .3s var(--ease);
}
.btn svg { width: 16px; height: 16px; }
.btn--gold { background: var(--gold); color: var(--teal-950); }
.btn--gold:hover { background: #dcbd82; transform: translateY(-1px); }
.btn--ghost { border: 1px solid rgba(243, 241, 234, .5); color: var(--cream); }
.btn--ghost:hover { border-color: var(--cream); background: rgba(243, 241, 234, .08); }
.btn--sm { padding: 13px 20px; font-size: .72rem; }
.btn--block { width: 100%; }
.btn[aria-busy="true"] { pointer-events: none; opacity: .7; }

.link-arrow {
  display: inline-flex; align-items: center; gap: 10px; margin-top: 30px;
  font: 500 .78rem/1 var(--sans); letter-spacing: .16em; text-transform: uppercase; color: var(--teal-700);
  padding-bottom: 8px; border-bottom: 1px solid currentColor;
}
.link-arrow svg { width: 18px; height: 18px; transition: transform .3s var(--ease); }
.link-arrow:hover svg { transform: translateX(4px); }
.link-arrow--light { color: var(--gold-soft); }

/* ---------- Header ---------- */
.header {
  position: fixed; inset: 0 0 auto 0; z-index: 50; height: var(--header-h);
  transition: background-color .4s var(--ease), height .4s var(--ease), box-shadow .4s var(--ease), transform .5s var(--ease);
}
/* menu di động đang mở: bỏ lớp mờ để lớp phủ menu trải hết màn hình */
html .header.is-menu { background: var(--teal-900); backdrop-filter: none; -webkit-backdrop-filter: none; box-shadow: none; transform: none; transition: none; }
html .header.is-menu::before { opacity: 0; }
.header::before {
  content: ''; position: absolute; inset: 0 0 -40px 0; z-index: -1; pointer-events: none;
  background: linear-gradient(to bottom, rgba(8, 24, 16, .72), rgba(8, 24, 16, 0));
  transition: opacity .4s;
}
.header.is-solid { background: rgba(16, 39, 28, .94); backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px); height: 68px; box-shadow: 0 1px 0 var(--line-light); }
.header.is-solid::before { opacity: 0; }
.header__in { height: 100%; display: flex; align-items: center; gap: 28px; }
.brand img { height: 46px; width: auto; transition: height .4s var(--ease); }
.header.is-solid .brand img { height: 38px; }
.nav { display: flex; gap: clamp(18px, 2.6vw, 38px); margin-left: auto; }
.nav a {
  position: relative; padding: 8px 0; color: var(--cream);
  font: 500 .74rem/1 var(--sans); letter-spacing: .18em; text-transform: uppercase; opacity: .86;
  transition: opacity .25s;
}
.nav a::after { content: ''; position: absolute; left: 0; right: 0; bottom: 0; height: 1px; background: var(--gold); transform: scaleX(0); transform-origin: left; transition: transform .35s var(--ease); }
.nav a:hover, .nav a.is-active { opacity: 1; }
.nav a:hover::after, .nav a.is-active::after { transform: scaleX(1); }
.header__cta { display: flex; align-items: center; gap: 22px; }
.tel { display: inline-flex; align-items: center; gap: 8px; color: var(--cream); font: 500 .95rem/1 var(--sans); letter-spacing: .04em; }
.tel svg { width: 16px; height: 16px; fill: var(--gold); }
.burger { display: none; width: 44px; height: 44px; position: relative; margin-right: -8px; }
.burger span { position: absolute; left: 10px; right: 10px; height: 1.5px; background: var(--cream); transition: transform .35s var(--ease), top .35s var(--ease); }
.burger span:first-child { top: 17px; }
.burger span:last-child { top: 26px; }
.burger[aria-expanded="true"] span:first-child { top: 21.5px; transform: rotate(45deg); }
.burger[aria-expanded="true"] span:last-child { top: 21.5px; transform: rotate(-45deg); }

/* ---------- Hero ---------- */
.hero { position: relative; min-height: 100vh; min-height: 100svh; display: flex; flex-direction: column; justify-content: flex-end; color: var(--cream); background: var(--teal-950); overflow: hidden; isolation: isolate; }
.hero__media { position: absolute; inset: 0; z-index: -2; }
.hero__media img { width: 100%; height: 100%; object-fit: cover; object-position: 50% 62%; }
.hero__media { will-change: transform; }
.js .hero__media img { animation: heroZoom 14s var(--ease) both; animation-delay: calc(var(--d) - .3s); transform: scale(1.18); }
@keyframes heroZoom { from { transform: scale(1.18); } to { transform: scale(1.02); } }
.hero::after {
  content: ''; position: absolute; inset: 0; z-index: -1;
  background:
    linear-gradient(to top, rgba(8, 24, 16, .96) 0%, rgba(8, 24, 16, .72) 26%, rgba(8, 24, 16, .12) 58%, rgba(8, 24, 16, .25) 100%),
    linear-gradient(to right, rgba(8, 24, 16, .55), rgba(8, 24, 16, 0) 60%);
}
.hero__in { padding-top: calc(var(--header-h) + 60px); padding-bottom: clamp(36px, 6vh, 72px); }
.hero__title {
  font: 500 clamp(4rem, 12.5vw, 10.5rem)/.92 var(--serif);
  letter-spacing: -.02em; margin: 22px 0 0 -.04em;
}
.hero__lead { margin-top: 26px; max-width: 34em; font-size: clamp(1rem, 1.5vw, 1.2rem); line-height: 1.7; color: rgba(243, 241, 234, .9); }
.hero__actions { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 38px; }
.hero__stats { border-top: 1px solid var(--line-light); background: rgba(8, 24, 16, .35); backdrop-filter: blur(6px); -webkit-backdrop-filter: blur(6px); }
.stats { display: grid; grid-template-columns: repeat(4, 1fr); }
.stat { padding: clamp(20px, 3vw, 32px) 0 clamp(20px, 3vw, 30px) clamp(16px, 2.4vw, 36px); border-left: 1px solid var(--line-light); }
.stat:first-child { border-left: 0; padding-left: 0; }
.stat dd { font: 500 clamp(2.2rem, 4.4vw, 3.8rem)/1 var(--serif); color: var(--gold-soft); display: flex; align-items: baseline; gap: 8px; font-variant-numeric: lining-nums tabular-nums; }
.stat dd small { font: 400 .8rem/1 var(--sans); letter-spacing: .1em; color: rgba(243, 241, 234, .7); }
.stat dt { margin-top: 10px; font-size: .72rem; letter-spacing: .16em; text-transform: uppercase; color: rgba(243, 241, 234, .72); line-height: 1.5; }
.js { --d: 1.5s; }
.js.seen { --d: .15s; }
.js .hero__kicker, .js .hero__lead, .js .hero__actions, .js .hero__stats, .js .scrollcue { animation: rise 1.2s var(--ease) both; animation-delay: var(--d); }
.js .hero__lead { animation-delay: calc(var(--d) + .55s); }
.js .hero__actions { animation-delay: calc(var(--d) + .7s); }
.js .hero__stats { animation-delay: calc(var(--d) + .85s); }
.js .scrollcue { animation-delay: calc(var(--d) + 1.1s); }
@keyframes rise { from { opacity: 0; transform: translateY(26px); } to { opacity: 1; transform: none; } }
.hero__title .mask { display: block; overflow: hidden; padding: .06em .05em .2em; margin: -.06em -.05em -.2em; }
.hero__title .ch { display: inline-block; }
.hero__title .sp { display: inline-block; width: .24em; white-space: pre; }
.js .hero__title .ch { transform: translateY(115%) rotate(6deg); transform-origin: left bottom; animation: chUp 1.25s var(--ease) forwards; animation-delay: calc(var(--d) + .1s + var(--n, 0) * .05s); }
.hero__title .ch:nth-child(2) { --n: 1; } .hero__title .ch:nth-child(3) { --n: 2; } .hero__title .ch:nth-child(4) { --n: 3; } .hero__title .ch:nth-child(5) { --n: 4; }
.hero__title .ch:nth-child(7) { --n: 5; } .hero__title .ch:nth-child(8) { --n: 6; } .hero__title .ch:nth-child(9) { --n: 7; } .hero__title .ch:nth-child(10) { --n: 8; }
@keyframes chUp { to { transform: none; } }

/* ---------- Sections ---------- */
.section { position: relative; padding-block: clamp(76px, 10vw, 150px); overflow: hidden; }
.section--cream { background: var(--cream); }
.section--paper { background: var(--paper); }
.section--teal { background: var(--teal-800); color: var(--cream); }
.section--dark { background: var(--teal-950); color: var(--cream); }
.section--teal p, .section--dark p { color: rgba(243, 241, 234, .82); }
.section--teal .kicker, .section--dark .kicker { color: var(--gold-soft); }
.section__head { max-width: 760px; margin-bottom: clamp(40px, 5vw, 72px); }
.section__head--row { max-width: none; display: flex; align-items: flex-end; justify-content: space-between; gap: 24px; }
.section__note { font-size: .85rem; letter-spacing: .04em; opacity: .7; }
.deco { position: absolute; pointer-events: none; user-select: none; width: min(46vw, 600px); }
.deco--tr { top: 0; right: 0; opacity: .9; mix-blend-mode: multiply; }
.deco--bl { left: 0; bottom: 0; transform: rotate(180deg); opacity: .09; filter: brightness(4); }

.split { display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 6fr); gap: clamp(36px, 6vw, 96px); align-items: center; }
.split--rev { grid-template-columns: minmax(0, 6fr) minmax(0, 5fr); }
.split__text > p:not(.kicker) { margin-top: 20px; max-width: 34em; }
.split__text .lead { margin-top: 28px; }
.section--cream .split__text > p:not(.kicker):not(.lead) { color: var(--ink-soft); }

.frame { position: relative; }
.frame__img { position: relative; z-index: 1; overflow: hidden; box-shadow: 0 30px 60px -30px rgba(8, 24, 16, .45); }
.frame img { width: 100%; transform: translate3d(0, var(--py, 0px), 0) scale(1.14); will-change: transform; }
.frame::before { content: ''; position: absolute; inset: 22px -22px -22px 22px; border: 1px solid var(--gold); opacity: .7; }
.frame figcaption { position: relative; z-index: 1; margin-top: 14px; font-size: .72rem; letter-spacing: .18em; text-transform: uppercase; opacity: .65; }
.frame--gold::before { inset: -22px 22px 22px -22px; }

/* Specs */
.specs { margin-top: clamp(56px, 7vw, 104px); display: grid; grid-template-columns: repeat(3, 1fr); column-gap: clamp(24px, 4vw, 64px); border-top: 1px solid var(--ink); }
.specs > div { padding: 22px 0 20px; border-bottom: 1px solid var(--line); }
.specs dt { font-size: .7rem; letter-spacing: .2em; text-transform: uppercase; color: #8a7347; }
.specs dd { margin-top: 6px; font: 500 1.5rem/1.3 var(--serif); font-variant-numeric: lining-nums; }

/* Location */
.points { margin-top: 34px; border-top: 1px solid var(--line-light); }
.points li { display: flex; align-items: baseline; gap: 22px; padding: 16px 0; border-bottom: 1px solid var(--line-light); font: 500 1.35rem/1.3 var(--serif); }
.points span { font: 500 .7rem/1 var(--sans); letter-spacing: .2em; color: var(--gold); }

/* Product cards */
.cards { display: grid; grid-template-columns: repeat(2, 1fr); gap: clamp(20px, 3vw, 44px); }
.card { background: #fff; box-shadow: 0 1px 0 var(--line), 0 30px 60px -40px rgba(8, 24, 16, .3); display: flex; flex-direction: column; }
.card__img { overflow: hidden; aspect-ratio: 4 / 3; }
.card__img img { width: 100%; height: 100%; object-fit: cover; transform: scale(1.02); transition: transform 1.2s var(--ease); }
.card:hover .card__img img { transform: scale(1.1) translate(calc(var(--mx, 0) * -14px), calc(var(--my, 0) * -14px)); transition-duration: .6s; }
.card__body { position: relative; padding: clamp(26px, 3.4vw, 46px); flex: 1; }
.card__no { position: absolute; top: clamp(22px, 3vw, 40px); right: clamp(26px, 3.4vw, 46px); font: 500 1rem/1 var(--serif); font-style: italic; color: var(--gold); letter-spacing: .08em; font-variant-numeric: lining-nums; }
.card h3 { font: 500 clamp(1.7rem, 2.6vw, 2.3rem)/1.2 var(--serif); padding-right: 40px; }
.card p:not(.card__no) { margin-top: 14px; color: var(--ink-soft); max-width: 32em; }
.tags { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 24px; }
.tags li { padding: 7px 14px; border: 1px solid var(--line); border-radius: 100px; font-size: .74rem; letter-spacing: .08em; color: var(--teal-700); }

/* Gallery */
.mosaic { display: grid; grid-template-columns: repeat(12, 1fr); grid-auto-rows: clamp(120px, 15vw, 210px); gap: clamp(8px, 1vw, 14px); }
.shot { position: relative; overflow: hidden; background: var(--teal-800); cursor: zoom-in; }
.shot img { width: 100%; height: 100%; object-fit: cover; transition: transform 1.2s var(--ease), filter .6s; }
.shot::after { content: ''; position: absolute; inset: 0; background: linear-gradient(to top, rgba(8, 24, 16, .75), rgba(8, 24, 16, 0) 45%); opacity: 0; transition: opacity .4s; }
.shot span { position: absolute; left: 18px; bottom: 14px; z-index: 1; font-size: .72rem; letter-spacing: .18em; text-transform: uppercase; opacity: 0; transform: translateY(8px); transition: opacity .4s, transform .4s var(--ease); }
.shot:hover img, .shot:focus-visible img { transform: scale(1.05); }
.shot:hover::after, .shot:hover span, .shot:focus-visible::after, .shot:focus-visible span { opacity: 1; transform: none; }
.shot--a { grid-column: span 8; grid-row: span 3; }
.shot--b { grid-column: span 4; grid-row: span 2; }
.shot--c { grid-column: span 4; grid-row: span 1; }
.shot--d { grid-column: span 3; grid-row: span 2; }
.shot--e { grid-column: span 3; grid-row: span 2; }
.shot--f { grid-column: span 3; grid-row: span 2; }
.shot--g { grid-column: span 3; grid-row: span 2; }

/* Partners */
.partners { padding-block: clamp(60px, 7vw, 100px); }
.credits { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.credits > div { padding-left: 26px; border-left: 1px solid var(--line); }
.credits .kicker::before { display: none; }
.credits__name { margin-top: 10px; font: 500 clamp(1.7rem, 2.8vw, 2.4rem)/1.2 var(--serif); }
.banks { margin-top: clamp(40px, 5vw, 64px); padding-top: clamp(30px, 4vw, 44px); border-top: 1px solid var(--line); display: flex; align-items: center; gap: 20px 40px; flex-wrap: wrap; }
.banks ul { display: flex; flex-wrap: wrap; gap: 10px; }
.banks li { padding: 10px 20px; background: rgba(255, 255, 255, .6); border: 1px solid var(--line); font: 500 .85rem/1 var(--sans); letter-spacing: .04em; color: var(--teal-700); }

/* Contact */
.contact__in { position: relative; display: grid; grid-template-columns: minmax(0, 6fr) minmax(0, 5fr); gap: clamp(36px, 6vw, 96px); align-items: center; }
.contact__text .lead { margin-top: 26px; max-width: 30em; }
.hotline { display: inline-block; margin-top: 40px; }
.hotline small { display: block; font-size: .7rem; letter-spacing: .26em; text-transform: uppercase; color: var(--gold-soft); }
.hotline strong { display: block; margin-top: 6px; font: 500 clamp(2.4rem, 4.6vw, 3.8rem)/1.05 var(--serif); color: var(--cream); font-variant-numeric: lining-nums; letter-spacing: .01em; transition: color .3s; }
.hotline:hover strong { color: var(--gold); }
.contact address { margin-top: 26px; font-size: .92rem; line-height: 1.8; color: rgba(243, 241, 234, .7); }

.form { background: var(--paper); color: var(--ink); padding: clamp(26px, 3.6vw, 48px); box-shadow: 0 40px 80px -40px rgba(0, 0, 0, .55); position: relative; }
.form::before { content: ''; position: absolute; inset: 10px; border: 1px solid rgba(154, 27, 38, .45); pointer-events: none; }
.form__body, .form__done { position: relative; }
.field { margin-bottom: 18px; }
.field label { display: block; font-size: .68rem; letter-spacing: .2em; text-transform: uppercase; color: var(--ink-soft); margin-bottom: 4px; }
.field label i { color: var(--orange); font-style: normal; }
.field input, .field select {
  width: 100%; height: 48px; padding: 0 2px; border: 0; border-bottom: 1px solid rgba(23, 36, 29, .32); border-radius: 0;
  background: transparent; color: var(--ink); font: 400 1.02rem/1 var(--sans); transition: border-color .25s;
  -webkit-appearance: none; appearance: none;
}
.field select { background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='m6 9 6 6 6-6' fill='none' stroke='%231b2828' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") no-repeat right 2px center / 18px; cursor: pointer; }
.field input::placeholder { color: rgba(23, 36, 29, .36); }
.field input:focus, .field select:focus { outline: 0; border-bottom-color: var(--teal-700); box-shadow: 0 1px 0 var(--teal-700); }
.field.is-invalid input { border-bottom-color: #c0392b; box-shadow: 0 1px 0 #c0392b; }
.field--hp { position: absolute !important; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.form .btn { margin-top: 10px; }
.form .form__error { margin: 4px 0 8px; color: #b03325; font-size: .88rem; }
.field .form__error { margin: 6px 0 0; }
.form .form__note { margin-top: 16px; font-size: .78rem; line-height: 1.6; color: var(--ink-soft); text-align: center; }
.form__done { text-align: center; padding: clamp(24px, 5vw, 56px) 8px; }
.form__done svg { width: 56px; height: 56px; color: #a8843f; margin: 0 auto 22px; }
.form__done h3 { font: 500 1.9rem/1.2 var(--serif); }
.form .form__done p { margin-top: 12px; color: var(--ink-soft); }
.form__done a { color: var(--teal-700); font-weight: 500; white-space: nowrap; }

/* Footer */
.footer { background: var(--teal-950); color: rgba(243, 241, 234, .78); padding: clamp(56px, 6vw, 84px) 0 32px; font-size: .92rem; }
.footer__in { display: grid; grid-template-columns: 1.3fr 1fr 1fr; gap: 40px; }
.footer__brand img { width: 190px; }
.footer__brand p { margin-top: 16px; font: 500 1.25rem/1.3 var(--serif); color: var(--cream); }
.footer__col .kicker { margin-bottom: 16px; }
.footer__col .kicker::before { display: none; }
.footer__col p + p { margin-top: 6px; }
.footer a { transition: color .25s; }
.footer a:hover { color: var(--gold); }
.footer__legal { margin-top: clamp(40px, 5vw, 64px); padding-top: 22px; border-top: 1px solid var(--line-light); display: flex; justify-content: space-between; gap: 12px 40px; flex-wrap: wrap; font-size: .76rem; line-height: 1.6; color: rgba(243, 241, 234, .5); }
.footer__legal p:last-child { max-width: 46em; }

/* Quick contact */
.quick { position: fixed; right: 22px; bottom: 22px; z-index: 40; display: flex; flex-direction: column; gap: 12px; opacity: 0; transform: translateY(16px); pointer-events: none; transition: opacity .4s, transform .4s var(--ease); }
.quick.is-on { opacity: 1; transform: none; pointer-events: auto; }
.quick__btn { width: 54px; height: 54px; border-radius: 50%; display: grid; place-items: center; box-shadow: 0 10px 30px -8px rgba(0, 0, 0, .5); transition: transform .3s var(--ease); }
.quick__btn:hover { transform: scale(1.08); }
.quick__btn--call { background: var(--gold); position: relative; }
.quick__btn--call::before { content: ''; position: absolute; inset: 0; border-radius: 50%; border: 1px solid var(--gold); animation: ring 2.4s ease-out infinite; }
@keyframes ring { from { transform: scale(1); opacity: .8; } to { transform: scale(1.7); opacity: 0; } }
.quick__btn--call svg { width: 22px; height: 22px; fill: var(--teal-950); }
.quick__btn--zalo { background: #0068ff; color: #fff; }
.quick__btn--zalo b, .mbar b { font: 600 .82rem/1 var(--sans); letter-spacing: .01em; }
.mbar { display: none; }

/* Lightbox */
.lb { position: fixed; inset: 0; z-index: 100; background: rgba(5, 16, 11, .96); display: grid; grid-template-columns: 72px 1fr 72px; align-items: center; color: var(--cream); animation: fade .3s both; }
@keyframes fade { from { opacity: 0; } to { opacity: 1; } }
.lb__fig { grid-column: 2; display: flex; flex-direction: column; align-items: center; justify-content: center; height: 100vh; height: 100dvh; padding: 64px 0 24px; min-width: 0; }
.lb__fig img { max-width: 100%; max-height: calc(100% - 44px); width: auto; height: auto; object-fit: contain; box-shadow: 0 30px 80px rgba(0, 0, 0, .6); }
.lb__fig figcaption { width: 100%; max-width: 1100px; display: flex; justify-content: space-between; gap: 20px; margin-top: 16px; font-size: .72rem; letter-spacing: .18em; text-transform: uppercase; opacity: .8; }
.lb__nav, .lb__close { width: 52px; height: 52px; border-radius: 50%; border: 1px solid var(--line-light); display: grid; place-items: center; justify-self: center; transition: background-color .25s, border-color .25s; }
.lb__nav:hover, .lb__close:hover { background: rgba(243, 241, 234, .1); border-color: var(--cream); }
.lb__nav svg, .lb__close svg { width: 22px; height: 22px; }
.lb__close { position: absolute; top: 16px; right: 16px; z-index: 2; }
.lb__prev { grid-column: 1; grid-row: 1; }
.lb__next { grid-column: 3; grid-row: 1; }

/* ---------- Hiện dần khi cuộn ---------- */
.js [data-reveal] { opacity: 0; transform: translateY(34px); transition: opacity 1.1s var(--ease), transform 1.1s var(--ease); }
.js [data-reveal].is-in { opacity: 1; transform: none; }
.js .cards [data-reveal]:nth-child(2) { transition-delay: .15s; }

/* nhóm phần tử hiện lần lượt */
.js [data-stagger] > * { opacity: 0; transform: translateY(26px); transition: opacity 1s var(--ease), transform 1s var(--ease); transition-delay: calc(var(--i, 0) * 95ms); }
.js [data-stagger].is-in > * { opacity: 1; transform: none; }
[data-stagger] > :nth-child(2) { --i: 1; } [data-stagger] > :nth-child(3) { --i: 2; } [data-stagger] > :nth-child(4) { --i: 3; }
[data-stagger] > :nth-child(5) { --i: 4; } [data-stagger] > :nth-child(6) { --i: 5; } [data-stagger] > :nth-child(7) { --i: 6; }
[data-stagger] > :nth-child(8) { --i: 7; } [data-stagger] > :nth-child(9) { --i: 8; } [data-stagger] > :nth-child(10) { --i: 9; }
[data-stagger] > :nth-child(11) { --i: 10; } [data-stagger] > :nth-child(12) { --i: 11; }

/* tiêu đề: từng từ trồi lên */
.js [data-stagger] > [data-split].is-split { opacity: 1; transform: none; }
[data-split] .w { display: inline-block; }
.js [data-split].is-split .w { opacity: 0; transform: translateY(.7em) rotate(4deg); transform-origin: left bottom; transition: opacity .9s var(--ease), transform 1.1s var(--ease); transition-delay: calc(.12s + var(--w, 0) * 70ms); }
.js .is-in > [data-split].is-split .w, .js [data-split].is-split.is-in .w { opacity: 1; transform: none; }

/* ảnh có khung: kéo màn */
.js .frame[data-reveal] { opacity: 1; transform: none; }
.js .frame[data-reveal] .frame__img { clip-path: inset(0 0 100% 0); transition: clip-path 1.5s var(--ease); }
.js .frame[data-reveal].is-in .frame__img { clip-path: inset(0 0 0 0); }
.js .frame[data-reveal]::before { opacity: 0; transform: translate(-14px, -14px); transition: opacity 1.2s var(--ease) .7s, transform 1.2s var(--ease) .7s; }
.js .frame[data-reveal].is-in::before { opacity: .7; transform: none; }
.js .frame[data-reveal] figcaption { opacity: 0; transition: opacity 1s 1s; }
.js .frame[data-reveal].is-in figcaption { opacity: .65; }

/* thẻ sản phẩm: ảnh thu về */
.js .card[data-reveal] .card__img img { transform: scale(1.3); }
.js .card[data-reveal].is-in .card__img img { transform: scale(1.02); transition-duration: 1.8s; }
.js .card[data-reveal].is-in:hover .card__img img { transform: scale(1.1) translate(calc(var(--mx, 0) * -14px), calc(var(--my, 0) * -14px)); transition-duration: .6s; }

/* thư viện: mở màn từng ô (cắt trên ảnh, không cắt trên ô, để trình duyệt vẫn nhận biết ô đã vào màn hình) */
.js .shot[data-reveal] { opacity: 1; transform: none; background: transparent; }
.js .shot[data-reveal] img { clip-path: inset(100% 0 0 0); transform: scale(1.25); transition: clip-path 1.3s var(--ease), transform 1.9s var(--ease); }
.js .shot[data-reveal].is-in img { clip-path: inset(0 0 0 0); transform: scale(1); }
.js .shot[data-reveal].is-in:hover img, .js .shot[data-reveal].is-in:focus-visible img { transform: scale(1.06); transition-duration: 1.3s, 1.2s; }
.js .mosaic .shot:nth-child(2) img { transition-delay: .1s; } .js .mosaic .shot:nth-child(3) img { transition-delay: .2s; }
.js .mosaic .shot:nth-child(5) img { transition-delay: .1s; } .js .mosaic .shot:nth-child(6) img { transition-delay: .2s; } .js .mosaic .shot:nth-child(7) img { transition-delay: .3s; }
.js .mosaic .shot.is-in:hover img { transition-delay: 0s; }

/* đường kẻ bảng thông số vẽ dần */
.js .specs { border-top-color: transparent; background: linear-gradient(var(--ink), var(--ink)) no-repeat left top / 0% 1px; transition: background-size 1.6s var(--ease); }
.js .specs.is-in { background-size: 100% 1px; }

/* ---------- Màn mở đầu ---------- */
.intro { display: none; }
.js .intro { position: fixed; inset: 0; z-index: 300; display: grid; place-items: center; align-content: center; gap: 26px; background: var(--teal-950); animation: introUp 1s cubic-bezier(.7, 0, .2, 1) 1.25s forwards; }
.js.seen .intro { display: none; }
.intro img { width: min(48vw, 230px); animation: introLogo 1.1s var(--ease) both; }
.intro span { width: min(48vw, 230px); height: 1px; background: var(--gold); transform-origin: left; animation: introLine 1.15s cubic-bezier(.6, 0, .2, 1) .1s both; }
@keyframes introLogo { from { opacity: 0; transform: translateY(14px); } to { opacity: 1; transform: none; } }
@keyframes introLine { from { transform: scaleX(0); } to { transform: scaleX(1); } }
@keyframes introUp { to { transform: translateY(-100%); visibility: hidden; } }

/* ---------- Thanh tiến độ cuộn ---------- */
.progress { position: fixed; inset: 0 0 auto 0; height: 2px; z-index: 60; background: linear-gradient(to right, var(--gold), var(--orange)); transform: scaleX(var(--p, 0)); transform-origin: left; pointer-events: none; }

/* ---------- Gợi ý cuộn ở phần mở đầu ---------- */
.scrollcue { position: absolute; right: clamp(20px, 5vw, 56px); bottom: calc(clamp(110px, 16vh, 170px)); z-index: 1; display: flex; flex-direction: column; align-items: center; gap: 14px; font-size: .64rem; letter-spacing: .3em; text-transform: uppercase; color: rgba(243, 241, 234, .75); }
.scrollcue span { writing-mode: vertical-rl; }
.scrollcue i { width: 1px; height: 64px; background: rgba(243, 241, 234, .25); position: relative; overflow: hidden; }
.scrollcue i::after { content: ''; position: absolute; inset: 0; background: var(--gold); animation: cue 2.2s cubic-bezier(.7, 0, .2, 1) infinite; }
@keyframes cue { 0% { transform: translateY(-100%); } 55% { transform: translateY(0); } 100% { transform: translateY(100%); } }

/* ---------- Nút: vệt sáng lướt qua ---------- */
.btn--gold { overflow: hidden; }
.btn--gold::after { content: ''; position: absolute; inset: 0; background: linear-gradient(105deg, transparent 35%, rgba(255, 255, 255, .55) 50%, transparent 65%); transform: translateX(-120%); transition: transform .9s var(--ease); pointer-events: none; }
.btn--gold:hover::after { transform: translateX(120%); }
.btn > * { position: relative; z-index: 1; }

/* ---------- Dải ảnh điện ảnh ---------- */
.band { position: relative; min-height: min(86vh, 760px); display: flex; align-items: flex-end; color: var(--cream); overflow: hidden; isolation: isolate; background: var(--teal-950); }
.band__media { position: absolute; inset: -14% 0; z-index: -2; }
.band__media img { width: 100%; height: 100%; object-fit: cover; transform: translate3d(0, var(--py, 0px), 0); will-change: transform; }
.band::after { content: ''; position: absolute; inset: 0; z-index: -1; background: linear-gradient(to top, rgba(8, 24, 16, .9) 0%, rgba(8, 24, 16, .35) 45%, rgba(8, 24, 16, .1) 100%); }
.band__in { padding-block: clamp(48px, 8vw, 110px); }
.band__quote { margin-top: 20px; font: 500 clamp(2.2rem, 5.6vw, 5rem)/1.1 var(--serif); letter-spacing: -.01em; text-wrap: balance; }
.band__quote em { color: var(--gold); }

/* ---------- Dải chữ chạy ---------- */
.marquee { background: var(--teal-950); color: transparent; overflow: hidden; padding: clamp(26px, 4vw, 52px) 0 0; }
.marquee__track { display: flex; align-items: center; width: max-content; animation: marquee 46s linear infinite; }
.marquee span { font: 500 clamp(3rem, 8.4vw, 7.4rem)/1.25 var(--serif); font-style: italic; white-space: nowrap; -webkit-text-stroke: 1px rgba(154, 27, 38, .6); padding-inline: clamp(18px, 2.6vw, 44px); }
.marquee i { flex: none; width: 10px; height: 10px; background: var(--gold); transform: rotate(45deg); opacity: .8; }
@keyframes marquee { to { transform: translateX(-50%); } }
.gallery { padding-top: clamp(48px, 6vw, 90px); }

/* ---------- Con trỏ ở thư viện ảnh ---------- */
.cursor { position: fixed; left: 0; top: 0; z-index: 70; width: 92px; height: 92px; margin: -46px 0 0 -46px; border-radius: 50%; background: var(--gold); color: var(--teal-950); display: grid; place-items: center; font: 500 .68rem/1 var(--sans); letter-spacing: .22em; text-transform: uppercase; pointer-events: none; opacity: 0; transform: translate3d(var(--x, -200px), var(--y, -200px), 0) scale(.2); transition: opacity .35s, scale .45s var(--ease); scale: .2; }
.cursor.is-on { opacity: 1; scale: 1; }
.cursor { transform: translate3d(var(--x, -200px), var(--y, -200px), 0); }
@media (hover: none), (pointer: coarse) { .cursor { display: none; } }
@media (hover: hover) and (pointer: fine) and (prefers-reduced-motion: no-preference) { .js .mosaic .shot { cursor: none; } }

/* ---------- Trình xem ảnh: chuyển ảnh ---------- */
.lb__fig img { opacity: 0; transform: scale(.97); transition: opacity .5s var(--ease), transform .7s var(--ease); }
.lb__fig img.is-on { opacity: 1; transform: none; }

.br-d { display: inline; }

/* ---------- Responsive ---------- */
@media (max-width: 1080px) {
  .tel span { display: none; }
  .tel { width: 40px; height: 40px; border: 1px solid var(--line-light); border-radius: 50%; justify-content: center; }
}
@media (max-width: 960px) {
  :root { --header-h: 68px; }
  .header__in { gap: 12px; }
  .brand img { height: 38px; }
  .header__cta { margin-left: auto; gap: 10px; }
  .header__cta .btn { display: none; }
  .burger { display: block; }
  .nav {
    position: fixed; inset: 0; z-index: -1; margin: 0; flex-direction: column; justify-content: center; gap: 6px;
    padding: 90px clamp(20px, 5vw, 56px) 110px; background: var(--teal-900);
    opacity: 0; visibility: hidden; transition: none;
  }
  .nav.is-open { opacity: 1; visibility: visible; transition: opacity .35s; }
  .nav a { font: 500 2.1rem/1.2 var(--serif); letter-spacing: 0; text-transform: none; padding: 12px 0; border-bottom: 1px solid var(--line-light); opacity: 1; }
  .nav a::after { display: none; }
  .split, .split--rev, .contact__in { grid-template-columns: 1fr; }
  .split--rev .frame { order: 2; }
  .frame::before { inset: 14px -10px -14px 14px; }
  .frame--gold::before { inset: 14px 14px -14px -10px; }
  .specs { grid-template-columns: repeat(2, 1fr); }
  .footer__in { grid-template-columns: 1fr 1fr; }
  .footer__brand { grid-column: 1 / -1; }
  .br-d { display: none; }
}
@media (max-width: 720px) {
  body { font-size: 15.5px; padding-bottom: calc(60px + env(safe-area-inset-bottom)); }
  .field input, .field select { font-size: 16px; }
  .scrollcue { display: none; }
  .band { min-height: 72vh; }
  .marquee__track { animation-duration: 30s; }
  .frame img { transform: translate3d(0, var(--py, 0px), 0) scale(1.1); }
  .hero { min-height: calc(100vh - 60px); min-height: calc(100svh - 60px - env(safe-area-inset-bottom)); }
  .hero__in { padding-bottom: 28px; }
  .hero__title { font-size: clamp(3.6rem, 19vw, 5.4rem); }
  .hero__actions .btn { flex: 1 1 auto; }
  .stats { grid-template-columns: repeat(2, 1fr); }
  .stat { padding: 18px 0 16px 18px; }
  .stat:nth-child(odd) { border-left: 0; padding-left: 0; }
  .stat:nth-child(n+3) { border-top: 1px solid var(--line-light); }
  .cards, .credits { grid-template-columns: 1fr; }
  .credits { gap: 26px; }
  .specs { grid-template-columns: 1fr; }
  .specs > div { display: flex; justify-content: space-between; align-items: baseline; gap: 20px; padding: 16px 0 14px; }
  .specs dd { margin: 0; text-align: right; font-size: 1.25rem; }
  .specs dt { flex: none; max-width: 45%; }
  .section__head--row { flex-direction: column; align-items: flex-start; }
  .section__note { display: none; }
  .mosaic { grid-template-columns: repeat(2, 1fr); grid-auto-rows: 34vw; }
  .shot { grid-column: span 1 !important; grid-row: span 1 !important; }
  .shot--a { grid-column: span 2 !important; grid-row: span 2 !important; }
  .shot span { opacity: 1; transform: none; left: 12px; bottom: 10px; font-size: .62rem; }
  .shot::after { opacity: 1; }
  .footer__in { grid-template-columns: 1fr; gap: 30px; }
  .quick { display: none; }
  .mbar {
    position: fixed; inset: auto 0 0 0; z-index: 45; display: grid; grid-template-columns: 1fr 1fr 1.6fr; height: calc(60px + env(safe-area-inset-bottom)); padding-bottom: env(safe-area-inset-bottom);
    background: var(--teal-900); border-top: 1px solid var(--line-light); color: var(--cream);
  }
  .mbar a { display: flex; align-items: center; justify-content: center; gap: 8px; font: 500 .74rem/1 var(--sans); letter-spacing: .1em; text-transform: uppercase; border-right: 1px solid var(--line-light); }
  .mbar svg { width: 16px; height: 16px; fill: var(--gold); }
  .mbar b { text-transform: none; font-size: .9rem; }
  .mbar__main { background: var(--gold); color: var(--teal-950); border: 0 !important; }
  .lb { grid-template-columns: 1fr; }
  .lb__fig { grid-column: 1; padding: 64px 12px 90px; }
  .lb__nav { position: absolute; bottom: 22px; }
  .lb__prev { left: calc(50% - 64px); }
  .lb__next { right: calc(50% - 64px); }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
  .js [data-reveal], .js [data-stagger] > *, .js [data-split].is-split .w { opacity: 1 !important; transform: none !important; clip-path: none !important; }
  .js .frame[data-reveal] .frame__img, .js .shot[data-reveal] img { clip-path: none !important; transform: none !important; }
  .js .intro { display: none; }
  .js .hero__title .ch { transform: none; }
  .marquee__track { animation: none; }
}
@media print {
  .header, .quick, .mbar, .lb, .intro, .progress, .cursor, .marquee, .skip { display: none !important; }
  .js [data-reveal], .js [data-stagger] > *, .js [data-split].is-split .w { opacity: 1 !important; transform: none !important; }
  .js .frame[data-reveal] .frame__img, .js .shot[data-reveal] img { clip-path: none !important; transform: none !important; }
  .js .frame[data-reveal] figcaption { opacity: .65; }
  .js .specs { background-size: 100% 1px; }
  .hero__in { opacity: 1 !important; transform: none !important; }
}

/* Trang phụ (404, cảm ơn) */
.plain { background: var(--teal-900); color: var(--cream); min-height: 100vh; min-height: 100svh; display: grid; place-items: center; padding: 0; }
.plain__in { max-width: 640px; padding: 48px 24px; text-align: center; display: flex; flex-direction: column; align-items: center; gap: 22px; }
.plain__in img { width: 200px; margin-bottom: 26px; }
.plain__in .h2 { margin-top: 0; }
.plain__in .h2 em { color: var(--gold); }
.plain__in p:not(.kicker) { color: rgba(243, 241, 234, .82); }
.plain__in p a { color: var(--gold-soft); white-space: nowrap; }
.plain__in .kicker::before { display: none; }
.plain__in .btn { margin-top: 14px; }


/* ================= Riêng cho Hoàng Vân Hòa Bình ================= */
:root { --accent: #9a1b26; --accent-2: #b5202e; --header-h: 88px; }
::selection { background: var(--accent); color: #fff; }
:focus-visible { outline-color: var(--accent); }

/* chữ: không chân, đậm, gọn */
.h2 { font: 600 clamp(1.9rem, 3.7vw, 3.2rem)/1.18 var(--sans); letter-spacing: -.025em; text-wrap: balance; }
.h2 em { font-style: normal; color: var(--accent); }
.section--teal .h2 em, .section--dark .h2 em { color: var(--gold); }
.kicker { color: var(--accent); letter-spacing: .22em; font-weight: 600; }
.kicker--light, .section--teal .kicker, .section--dark .kicker { color: var(--gold-soft); }
.lead { font-size: 1.12rem; }

/* nút: đỏ đô, chữ trắng */
.btn { border-radius: 3px; font-weight: 600; }
.btn--gold { background: var(--accent); color: #fff; }
.btn--gold:hover { background: var(--accent-2); }
.btn--gold::after { background: linear-gradient(105deg, transparent 35%, rgba(255, 255, 255, .28) 50%, transparent 65%); }
.link-arrow { color: var(--accent); font-weight: 600; }
.link-arrow--light { color: var(--gold-soft); }
.progress { background: linear-gradient(to right, var(--teal-500), var(--accent)); }

/* header: nền sáng khi cuộn */
.brand { display: flex; align-items: center; gap: 14px; }
.brand img { height: 50px; }
.header.is-solid .brand img { height: 40px; }
.brand__name { font: 700 1.05rem/1.1 var(--sans); letter-spacing: .14em; text-transform: uppercase; color: #fff; transition: color .4s; }
.brand__name small { display: block; margin-top: 4px; font: 500 .62rem/1 var(--sans); letter-spacing: .42em; opacity: .8; }
.header:not(.is-solid) .brand img { filter: brightness(0) invert(1); }
.header.is-solid:not(.is-menu) { background: rgba(251, 250, 246, .94); box-shadow: 0 1px 0 var(--line); }
.header.is-solid .brand__name { color: var(--teal-700); }
.header.is-solid .nav a { color: var(--ink); }
.header.is-solid .burger span { background: var(--ink); }
.nav a { font-weight: 600; }
.nav a::after { background: var(--accent); height: 2px; }

/* mở đầu */
.hero__media img { object-position: 58% 50%; }
.hero::after {
  background:
    linear-gradient(to top, rgba(8, 24, 16, .95) 0%, rgba(8, 24, 16, .7) 30%, rgba(8, 24, 16, .2) 62%, rgba(8, 24, 16, .45) 100%),
    linear-gradient(to right, rgba(8, 24, 16, .6), rgba(8, 24, 16, 0) 65%);
}
.hero__title { font: 700 clamp(3rem, 9.4vw, 8.2rem)/1.02 var(--sans); letter-spacing: -.04em; margin-left: -.03em; }
.hero__title .mask { padding: .28em .06em .12em; margin: -.28em -.06em -.12em; }
.hero__title .mask--2 { color: transparent; -webkit-text-stroke: 1.5px rgba(243, 241, 234, .92); }
.hero__title .mask--2 .ch { animation-delay: calc(var(--d) + .38s + var(--n, 0) * .05s); }
.hero__title .ch:nth-child(6) { --n: 5; }
.hero__title .sp { width: .22em; }
.stats--3 { grid-template-columns: repeat(3, 1fr); }
.stats--3 .stat { display: flex; flex-direction: column; }
.stats--3 .stat dt { margin: 0; color: var(--gold-soft); font-weight: 600; letter-spacing: .2em; font-size: .68rem; }
.stats--3 .stat dd { margin-top: 10px; font: 500 clamp(1rem, 1.5vw, 1.22rem)/1.4 var(--sans); color: var(--cream); letter-spacing: 0; display: block; }
.scrollcue i::after { background: #fff; }

/* màn mở đầu: nền sáng, logo màu */
.js .intro { background: var(--paper); }
.intro img { width: min(26vw, 110px); }
.intro span { width: min(40vw, 170px); background: var(--accent); }

/* giới thiệu */
.about__in { display: grid; grid-template-columns: minmax(0, 4fr) minmax(0, 7fr); gap: clamp(36px, 7vw, 120px); align-items: center; }
.about__mark { position: relative; aspect-ratio: 1; display: grid; place-items: center; background: var(--cream); overflow: hidden; }
.about__mark::before { content: ''; position: absolute; inset: 18px; border: 1px solid rgba(29, 68, 53, .18); }
.about__mark img { width: 46%; transform: translate3d(0, var(--py, 0px), 0); will-change: transform; }
.about__text > p:not(.kicker) { margin-top: 20px; max-width: 36em; color: var(--ink-soft); }
.about__text .lead { margin-top: 28px; color: var(--ink); }

/* dải chữ chạy trên nền sáng */
.marquee--light { background: var(--paper); padding: clamp(8px, 1.4vw, 18px) 0 clamp(30px, 5vw, 70px); }
.marquee span { font: 700 clamp(2.6rem, 7.4vw, 6.4rem)/1.3 var(--sans); font-style: normal; text-transform: uppercase; letter-spacing: -.02em; -webkit-text-stroke: 1px rgba(29, 68, 53, .32); }
.marquee i { background: var(--accent); border-radius: 50%; transform: none; width: 12px; height: 12px; }

/* dự án */
.solo { position: relative; }
.solo .shot { display: block; aspect-ratio: 1332 / 685; cursor: zoom-in; }
.solo .shot img { height: 100%; }
.js .solo .shot[data-reveal].is-in img { transform: translate3d(0, var(--py, 0px), 0) scale(1.1); transition: clip-path 1.5s var(--ease), transform 0s; }
.js .solo .shot[data-reveal].is-in:hover img { transform: translate3d(0, var(--py, 0px), 0) scale(1.1); }
.solo .shot span { opacity: 1; transform: none; left: 22px; bottom: 18px; }
.solo .shot::after { opacity: 1; }
.project__info { margin-top: clamp(40px, 6vw, 84px); display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 6fr); gap: clamp(32px, 6vw, 96px); align-items: start; }
.project__text > p + p { margin-top: 18px; }
.project__col .specs--dark { margin-top: clamp(28px, 4vw, 44px); }
.shot--night { display: block; aspect-ratio: 642 / 301; align-self: start; }
.shot--night img { height: 100%; }
.project .shot span { opacity: 1; transform: none; left: 22px; bottom: 18px; right: 22px; }
.project .shot::after { opacity: 1; }
.specs--dark { margin-top: 0; grid-template-columns: 1fr; border-top-color: var(--line-light); }
.js .specs--dark { background-image: linear-gradient(var(--gold-soft), var(--gold-soft)); }
.specs--dark > div { display: flex; justify-content: space-between; align-items: baseline; gap: 24px; border-bottom-color: var(--line-light); padding: 18px 0 16px; }
.specs--dark dt { color: var(--gold-soft); flex: none; }
.specs dd { font: 500 1.08rem/1.4 var(--sans); letter-spacing: -.005em; }
.specs--dark dd { margin: 0; text-align: right; color: var(--cream); }
.cursor { background: var(--accent); color: #fff; }

/* liên hệ */
.contact__text .lead { color: var(--ink); }
.office { margin-top: 40px; padding-top: 28px; border-top: 1px solid var(--line); }
.office small { display: block; font-size: .7rem; font-weight: 600; letter-spacing: .24em; text-transform: uppercase; color: var(--accent); }
.office address { margin-top: 12px; font-size: 1.05rem; line-height: 1.75; color: var(--ink); }
.office .link-arrow { margin-top: 22px; }
.form { background: #fff; box-shadow: 0 40px 80px -50px rgba(8, 24, 16, .45), 0 0 0 1px var(--line); }
.form::before { display: none; }
.field label i { color: var(--accent); }
.field textarea { width: 100%; min-height: 96px; padding: 12px 2px; border: 0; border-bottom: 1px solid rgba(23, 36, 29, .32); border-radius: 0; background: transparent; color: var(--ink); font: 400 1.02rem/1.6 var(--sans); resize: vertical; transition: border-color .25s; }
.field textarea::placeholder { color: rgba(23, 36, 29, .36); }
.field textarea:focus { outline: 0; border-bottom-color: var(--teal-700); box-shadow: 0 1px 0 var(--teal-700); }
.form__done svg { color: var(--teal-700); }
.form__done h3 { font: 600 1.6rem/1.2 var(--sans); letter-spacing: -.02em; }

/* chân trang */
.footer__brand { display: flex; align-items: center; gap: 18px; }
.footer__brand img { width: 62px; filter: brightness(0) invert(1); opacity: .92; }
.footer__brand p { margin: 0; font: 600 1.1rem/1.4 var(--sans); max-width: 14em; }
.footer a:hover { color: #fff; }
.plain { background: var(--teal-900); }
.plain__in img { width: 84px; filter: brightness(0) invert(1); }
.plain__in .h2 em { color: var(--gold); }

@media (max-width: 960px) {
  :root { --header-h: 68px; }
  .brand img { height: 40px; }
  .brand__name { font-size: .92rem; }
  .nav a { font: 600 1.9rem/1.2 var(--sans); letter-spacing: -.02em; }
  .header.is-solid .nav a { color: var(--cream); }
  .header.is-menu .burger span { background: var(--cream); }
  .header.is-menu .brand__name { color: #fff; }
  .header.is-menu .brand img { filter: brightness(0) invert(1); }
  .about__in, .project__info { grid-template-columns: 1fr; }
  .about__mark { max-width: 300px; }
}
@media (max-width: 720px) {
  .hero__title { font-size: clamp(2.9rem, 15.4vw, 4.6rem); }
  .hero__title .mask--2 { -webkit-text-stroke-width: 1.2px; }
  .stats--3 { grid-template-columns: 1fr; }
  .stats--3 .stat { flex-direction: row; align-items: baseline; gap: 16px; padding: 13px 0 !important; border-left: 0 !important; border-top: 1px solid var(--line-light); }
  .stats--3 .stat:first-child { border-top: 0; }
  .stats--3 .stat dt { flex: none; width: 64px; }
  .stats--3 .stat dd { margin: 0; font-size: .95rem; }
  .field textarea { font-size: 16px; }
  .mbar--2 { grid-template-columns: 1fr 1.6fr; }
  .mbar--2 a:first-child { font-weight: 600; }
  .specs--dark dd { font-size: 1rem; }
  .solo .shot { aspect-ratio: 4 / 3; }
  .about__mark { max-width: 220px; }
}

/* thanh dưới trên di động: nút chính màu đỏ đô */
.mbar__main { background: var(--accent) !important; color: #fff !important; }

/* ảnh nền nhiều định dạng (AVIF/WebP) */
.hero__media picture, .band__media picture { display: block; width: 100%; height: 100%; }

/* màn hình rất hẹp: giữ dòng chữ nhỏ trên một hàng */
@media (max-width: 400px) {
  .kicker { letter-spacing: .18em; font-size: .66rem; gap: 10px; }
  .kicker::before { width: 24px; }
  .stat dt { letter-spacing: .1em; font-size: .66rem; }
}

/* màn hình thấp (điện thoại xoay ngang) */
@media (min-width: 480px) and (max-height: 480px) {
  .hero__in { padding-top: calc(var(--header-h) + 14px); padding-bottom: 18px; }
  .hero__title { font-size: clamp(2.4rem, 8vw, 3.6rem); margin-top: 10px; }
  .hero__lead { margin-top: 12px; }
  .hero__actions { margin-top: 18px; }
  .lb { grid-template-columns: 72px 1fr 72px; }
  .lb__fig { grid-column: 2; padding: 12px 0 8px; }
  .lb__fig img { max-height: calc(100% - 28px); }
  .lb__fig figcaption { margin-top: 6px; }
  .lb__nav { position: static; }
}
@media (max-width: 960px) and (max-height: 480px) {
  .nav { justify-content: flex-start; overflow-y: auto; padding: calc(var(--header-h) + 8px) clamp(20px, 5vw, 56px) 24px; }
  .nav a { font-size: 1.5rem; padding: 8px 0; }
}