/* ============================================================
   MORPH — creative studio, Hanoi
   Dark · bold · energetic
   Display headers: Metamorphosis  ·  Body: Archivo  ·  Labels: Space Mono
   Brand palette (from visual asset): #181818 / #c94927 / #dfdbd5
   ============================================================ */

@font-face {
  font-family: "Metamorphosis";
  src: url("../assets/fonts/Metamorphosis-Regular.otf") format("opentype");
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}

:root {
  --bg: #181818;
  --bg-2: #202020;
  --bg-3: #2a2a2a;
  --ink: #dfdbd5;
  --ink-soft: #98938a;
  --ink-dim: #6a655d;
  --line: rgba(223, 219, 213, 0.15);
  --line-soft: rgba(223, 219, 213, 0.08);
  --accent: #c94927;
  --accent-ink: #f3ece4;

  --display: "Metamorphosis", "Archivo", sans-serif;
  --font: "Helvetica Neue", Helvetica, Arial, sans-serif;
  --mono: "Space Mono", "SFMono-Regular", ui-monospace, monospace;

  --gutter: clamp(1.25rem, 4vw, 4.5rem);
  --header-h: 5rem;
  --maxw: 1680px;

  --ease-out: cubic-bezier(0.22, 1, 0.36, 1);
  --ease-io: cubic-bezier(0.65, 0, 0.35, 1);
}

/* Vietnamese version: Metamorphosis has no Vietnamese glyphs. Use Space Mono
   (already loaded, full VN support) for the entire Vietnamese version. */
html[lang="vi"] {
  --display: "Space Mono", monospace;
  --font: "Space Mono", monospace;
}

*,
*::before,
*::after { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font);
  font-size: 1rem;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-decoration: none; }
h1, h2, h3, h4, p, ul, figure { margin: 0; }
ul { padding: 0; list-style: none; }

::selection { background: var(--accent); color: var(--accent-ink); }

:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; }

.visually-hidden {
  position: absolute; width: 1px; height: 1px; margin: -1px;
  overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap;
}

/* film grain overlay */
body::after {
  content: "";
  position: fixed;
  inset: 0;
  z-index: 9999;
  pointer-events: none;
  opacity: 0.045;
  mix-blend-mode: screen;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

.skip-link {
  position: fixed; top: 0.75rem; left: 0.75rem; z-index: 10000;
  padding: 0.6rem 1rem; background: var(--accent); color: var(--accent-ink);
  font-family: var(--mono); font-size: 0.78rem; font-weight: 700;
  transform: translateY(-200%); transition: transform 0.2s var(--ease-out);
}
.skip-link:focus-visible { transform: none; }

.eyebrow {
  font-family: var(--mono);
  font-size: 0.74rem;
  font-weight: 400;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ink-soft);
}
.eyebrow .num { color: var(--accent); }

/* ============ header ============ */

.site-header {
  position: sticky; top: 0; z-index: 100;
  display: flex; align-items: center;
  height: var(--header-h); padding: 0 var(--gutter);
  background: color-mix(in srgb, var(--bg) 78%, transparent);
  backdrop-filter: blur(14px) saturate(140%);
  -webkit-backdrop-filter: blur(14px) saturate(140%);
  border-bottom: 1px solid var(--line-soft);
}

.brand {
  font-size: 1.6rem; font-weight: 800;
  letter-spacing: -0.05em; line-height: 1;
  display: inline-flex; align-items: baseline;
}
.brand .dot { color: var(--accent); }

.site-nav {
  display: flex; gap: 0.4rem;
  position: absolute; left: 50%; transform: translateX(-50%);
}
.site-nav a {
  position: relative;
  font-family: var(--mono);
  font-size: 0.8rem; font-weight: 400;
  letter-spacing: 0.04em; text-transform: uppercase;
  padding: 0.5rem 0.95rem; border-radius: 99px;
  color: var(--ink-soft);
  transition: color 0.2s, background 0.2s;
}
.site-nav a:hover { color: var(--ink); }
.site-nav a[aria-current="page"] { color: var(--accent); }

.header-cta {
  margin-left: 0.85rem;
  font-family: var(--mono);
  font-size: 0.78rem; font-weight: 700; letter-spacing: 0.04em;
  text-transform: uppercase;
  border: 1.5px solid var(--ink); border-radius: 99px;
  padding: 0.6rem 1.4rem;
  transition: background 0.25s var(--ease-out), color 0.25s var(--ease-out), border-color 0.25s;
}
.header-cta:hover { background: var(--accent); border-color: var(--accent); color: var(--accent-ink); }

.nav-toggle {
  display: none; margin-left: auto;
  flex-direction: column; justify-content: center; gap: 6px;
  width: 44px; height: 44px; padding: 10px;
  background: none; border: 0; cursor: pointer;
}
.nav-toggle span { display: block; height: 2px; background: var(--ink); transition: transform 0.3s var(--ease-out); }
.nav-toggle[aria-expanded="true"] span:first-child { transform: translateY(4px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:last-child { transform: translateY(-4px) rotate(-45deg); }

.mobile-menu[hidden] { display: none; }
.mobile-menu {
  position: fixed; inset: 0; z-index: 90;
  background: var(--bg);
  display: flex; align-items: center; padding: 0 var(--gutter);
}
.mobile-menu nav { display: flex; flex-direction: column; gap: 0.4rem; width: 100%; }
.mobile-menu a {
  font-size: clamp(2.6rem, 12vw, 4.5rem); font-weight: 800;
  letter-spacing: -0.04em; line-height: 1.1; text-transform: uppercase;
}
.mobile-menu a:hover { color: var(--accent); }
.mobile-menu .mobile-cta {
  margin-top: 2rem; font-family: var(--mono);
  font-size: 1rem; font-weight: 400; text-transform: none;
  letter-spacing: 0; color: var(--accent);
}

/* ============ hero ============ */

.hero {
  min-height: calc(100svh - var(--header-h));
  display: flex; flex-direction: column; justify-content: center; align-items: center;
  text-align: center;
  padding: 6rem var(--gutter) 6rem;
  position: relative;
}

.hero-inner {
  position: relative; z-index: 1;
  display: flex; flex-direction: column; align-items: center;
  gap: clamp(1.1rem, 2.4vw, 1.9rem);
  max-width: 74rem; margin: 0 auto;
  transform: translateY(-13vh);
}
.hero-eyebrow { display: block; font-size: clamp(0.82rem, 1vw, 0.95rem); }

.hero-title {
  font-weight: 900; line-height: 0.92;
  letter-spacing: -0.02em;
  color: #f3ece4;
}
.hero-title .line { display: block; overflow: hidden; }
.hero-title .line > span {
  display: block;
  transform: translateY(110%);
  animation: rise 0.9s var(--ease-out) forwards;
}
.hero-title .line:nth-child(1) > span { animation-delay: 0.05s; }
.hero-title .line:nth-child(2) > span { animation-delay: 0.15s; }
.hero-title .amp { color: var(--accent); }

@keyframes rise { to { transform: none; } }

.hero-sub {
  max-width: 46ch; color: var(--ink-soft);
  font-size: clamp(1.05rem, 1.5vw, 1.3rem); line-height: 1.55;
  opacity: 0; animation: fade 0.8s var(--ease-out) 0.55s forwards;
}
@keyframes fade { to { opacity: 1; } }

.scroll-cue {
  position: absolute; left: 50%; bottom: clamp(1.4rem, 4vh, 2.8rem);
  transform: translateX(-50%); z-index: 1;
  font-family: var(--mono); font-size: 0.72rem; letter-spacing: 0.14em;
  text-transform: uppercase; color: var(--ink-dim);
  display: inline-flex; align-items: center; gap: 0.5rem;
}
.scroll-cue .dot {
  width: 7px; height: 7px; border-radius: 50%; background: var(--accent);
  animation: pulse 1.6s var(--ease-io) infinite;
}
@keyframes pulse { 0%,100% { opacity: 1; transform: scale(1); } 50% { opacity: 0.3; transform: scale(0.6); } }

/* ============ marquee ============ */

.marquee {
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  overflow: hidden; padding: 1.1rem 0;
  white-space: nowrap;
  background: var(--bg);
}
.marquee-track {
  display: inline-flex; align-items: center; gap: 2.5rem;
  animation: scroll-x 38s linear infinite;
  will-change: transform;
}
.marquee:hover .marquee-track { animation-play-state: paused; }
.marquee-track span {
  font-size: clamp(1.6rem, 3.4vw, 2.8rem); font-weight: 800;
  letter-spacing: -0.02em; text-transform: uppercase;
}
.marquee-track span.muted { color: transparent; -webkit-text-stroke: 1px var(--ink-dim); }
.marquee-track .star { color: var(--accent); font-size: 0.7em; }
@keyframes scroll-x { to { transform: translateX(-50%); } }

/* ============ section heads ============ */

.section { padding: clamp(4.5rem, 10vw, 9rem) var(--gutter); }

.section-head {
  display: flex; align-items: flex-end; justify-content: space-between;
  gap: 2rem; flex-wrap: wrap; row-gap: 1rem;
  margin-bottom: clamp(2.5rem, 5vw, 4rem);
}
.section-head h2 {
  font-size: clamp(2.4rem, 6.5vw, 5.5rem); font-weight: 900;
  letter-spacing: -0.04em; line-height: 0.92; text-transform: uppercase;
}
.section-head h2 .dot { color: var(--accent); }

/* ============ work filters ============ */

.filters { display: flex; flex-wrap: wrap; gap: 0.5rem; margin-bottom: clamp(2rem, 4vw, 3rem); }
.filter-btn {
  font-family: var(--mono); font-size: 0.78rem; font-weight: 400;
  letter-spacing: 0.04em; text-transform: uppercase;
  color: var(--ink-soft); background: none;
  border: 1.5px solid var(--line); border-radius: 99px;
  padding: 0.5rem 1.15rem; cursor: pointer;
  transition: border-color 0.2s, background 0.25s var(--ease-out), color 0.25s var(--ease-out);
}
.filter-btn:hover { border-color: var(--ink); color: var(--ink); }
.filter-btn[aria-pressed="true"] { background: var(--accent); border-color: var(--accent); color: var(--accent-ink); }

/* ============ work grid ============ */

.work-grid { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(1.5rem, 3vw, 3rem) clamp(1.5rem, 3vw, 2.5rem); }
.work-item { grid-column: span 1; }
.work-item.is-full { grid-column: 1 / -1; }
.work-item.is-hidden { display: none; }
.work-link { display: block; }

.work-media {
  position: relative; overflow: hidden;
  background: var(--bg-2); border-radius: 6px;
}
.work-media img {
  width: 100%; object-fit: cover; aspect-ratio: 16 / 10;
  transition: transform 0.8s var(--ease-out), filter 0.5s var(--ease-out);
}
.work-item.is-full .work-media img { aspect-ratio: 21 / 9; }
.work-link:hover .work-media img,
.work-link:focus-visible .work-media img { transform: scale(1.05); }

.work-index {
  position: absolute; top: 1rem; left: 1.1rem;
  font-family: var(--mono); font-size: 0.78rem; letter-spacing: 0.1em;
  color: var(--ink); mix-blend-mode: difference;
}
.work-view {
  position: absolute; inset: 0; display: grid; place-items: center;
  opacity: 0; transition: opacity 0.4s var(--ease-out);
  background: color-mix(in srgb, var(--bg) 35%, transparent);
}
.work-view span {
  display: grid; place-items: center;
  width: clamp(5rem, 9vw, 7.5rem); height: clamp(5rem, 9vw, 7.5rem);
  border-radius: 50%; background: var(--accent); color: var(--accent-ink);
  font-family: var(--mono); font-size: 0.8rem; font-weight: 700;
  letter-spacing: 0.06em; text-transform: uppercase;
  transform: scale(0.8); transition: transform 0.4s var(--ease-out);
}
.work-link:hover .work-view,
.work-link:focus-visible .work-view { opacity: 1; }
.work-link:hover .work-view span { transform: scale(1); }

.work-caption {
  display: flex; align-items: baseline; gap: 1rem; flex-wrap: wrap;
  padding: 1.1rem 0.15rem 0; border-top: 1px solid var(--line-soft); margin-top: 1.1rem;
}
.work-title {
  font-family: var(--mono); font-weight: 700;
  font-size: clamp(1.6rem, 3vw, 2.5rem);
  letter-spacing: -0.01em; text-transform: uppercase; line-height: 1.05;
}
.work-tags { display: flex; gap: 0.45rem; flex-wrap: wrap; margin-left: auto; }
.tag {
  font-family: var(--mono); font-size: 0.7rem; font-weight: 400;
  letter-spacing: 0.04em; text-transform: uppercase; color: var(--ink-soft);
  border: 1px solid var(--line); border-radius: 99px; padding: 0.28rem 0.7rem; white-space: nowrap;
}

/* ============ services preview (home) ============ */

.svc { border-top: 1px solid var(--line); background: var(--bg); }
.svc-list { border-top: 1px solid var(--line); }
.svc-row {
  display: grid; grid-template-columns: 5rem 1fr auto;
  align-items: center; gap: 1.5rem;
  padding: clamp(1.4rem, 3vw, 2.4rem) 0;
  border-bottom: 1px solid var(--line);
  position: relative; transition: padding-left 0.4s var(--ease-out);
}
.svc-row .svc-no { font-family: var(--mono); font-size: 0.8rem; color: var(--accent); }
.svc-row .svc-name {
  font-size: clamp(1.6rem, 4.5vw, 3.6rem); font-weight: 850;
  letter-spacing: -0.03em; text-transform: uppercase; line-height: 1;
  transition: color 0.3s, transform 0.4s var(--ease-out);
}
.svc-row .svc-desc { font-family: var(--mono); font-size: 0.8rem; color: var(--ink-soft); max-width: 30ch; text-align: right; }
.svc-row:hover { padding-left: clamp(0.5rem, 2vw, 2rem); }
.svc-row:hover .svc-name { color: var(--accent); }

/* big CTA band */
.cta-band {
  border-top: 1px solid var(--line);
  padding: clamp(4rem, 10vw, 9rem) var(--gutter);
  text-align: center;
}
.cta-band .eyebrow { display: block; margin-bottom: 1.5rem; }
.cta-title {
  font-size: clamp(2.8rem, 12vw, 12rem); font-weight: 900;
  letter-spacing: -0.045em; line-height: 0.9; text-transform: uppercase;
}
.cta-title a { display: inline-block; transition: color 0.25s var(--ease-out); }
.cta-title a:hover { color: var(--accent); }
.cta-links { display: flex; justify-content: center; gap: 0.8rem; flex-wrap: wrap; margin-top: clamp(2.5rem, 6vw, 4rem); }
.pill {
  font-family: var(--mono); font-size: 0.85rem; font-weight: 400;
  letter-spacing: 0.02em;
  border: 1.5px solid var(--ink); border-radius: 99px; padding: 0.8rem 1.7rem;
  transition: background 0.25s var(--ease-out), color 0.25s var(--ease-out), border-color 0.25s;
}
.pill:hover { background: var(--accent); border-color: var(--accent); color: var(--accent-ink); }
.pill.solid { background: var(--ink); color: var(--bg); border-color: var(--ink); }
.pill.solid:hover { background: var(--accent); border-color: var(--accent); color: var(--accent-ink); }

/* ============ studio teaser (home) ============ */

.studio { border-top: 1px solid var(--line); }
.studio-statement {
  font-size: clamp(1.7rem, 4.4vw, 3.6rem); font-weight: 700;
  letter-spacing: -0.03em; line-height: 1.18; max-width: 22em;
}
.studio-statement em { font-style: italic; color: var(--accent); }
.studio-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: clamp(2rem, 4vw, 3.5rem); margin-top: clamp(3rem, 7vw, 5.5rem); }
.studio-cell h3 {
  font-family: var(--mono); font-size: 0.76rem; font-weight: 400;
  letter-spacing: 0.1em; text-transform: uppercase; color: var(--ink-soft);
  border-top: 1px solid var(--line); padding-top: 1.1rem; margin-bottom: 1.1rem;
}
.studio-cell ul { display: flex; flex-direction: column; gap: 0.45rem; }
.studio-cell li { font-size: clamp(1.1rem, 1.9vw, 1.5rem); font-weight: 650; letter-spacing: -0.015em; }
.studio-cell p { color: var(--ink-soft); max-width: 36ch; }

/* stats strip */
.stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.5rem; border-top: 1px solid var(--line); }
.stat { padding: clamp(2rem, 4vw, 3.5rem) 0; border-right: 1px solid var(--line-soft); }
.stat:last-child { border-right: 0; }
.stat .num { font-size: clamp(2.4rem, 6vw, 5rem); font-weight: 900; letter-spacing: -0.04em; line-height: 1; }
.stat .num .accent { color: var(--accent); }
.stat .label { font-family: var(--mono); font-size: 0.74rem; letter-spacing: 0.08em; text-transform: uppercase; color: var(--ink-soft); margin-top: 0.8rem; }

/* ============ footer ============ */

.site-footer {
  display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 2rem;
  padding: clamp(3rem, 6vw, 5rem) var(--gutter) 2rem;
  border-top: 1px solid var(--line);
}
.footer-brand { font-size: clamp(3rem, 9vw, 8rem); font-weight: 900; letter-spacing: -0.05em; line-height: 0.85; text-transform: uppercase; grid-column: 1 / -1; margin-bottom: 1rem; }
.footer-brand .dot { color: var(--accent); }
.footer-col h4 { font-family: var(--mono); font-size: 0.74rem; letter-spacing: 0.1em; text-transform: uppercase; color: var(--ink-dim); margin-bottom: 1rem; }
.footer-col a, .footer-col p { display: block; color: var(--ink-soft); font-size: 0.98rem; margin-bottom: 0.4rem; transition: color 0.2s; }
.footer-col a:hover { color: var(--accent); }
.footer-bottom { grid-column: 1 / -1; display: flex; justify-content: space-between; gap: 1rem; flex-wrap: wrap; margin-top: 2.5rem; padding-top: 1.5rem; border-top: 1px solid var(--line-soft); font-family: var(--mono); font-size: 0.74rem; letter-spacing: 0.04em; text-transform: uppercase; color: var(--ink-dim); }
.footer-bottom a:hover { color: var(--ink); }

/* ============ inner page header (services / about) ============ */

.page-head { padding: clamp(4rem, 9vw, 8rem) var(--gutter) clamp(2.5rem, 5vw, 4rem); }
.page-head .eyebrow { display: block; margin-bottom: 1.5rem; }
.page-title {
  font-size: clamp(3rem, 11vw, 12rem); font-weight: 900;
  letter-spacing: -0.045em; line-height: 0.86; text-transform: uppercase;
}
.page-title .amp { color: var(--accent); font-style: italic; }
.page-lead {
  font-size: clamp(1.3rem, 2.6vw, 2rem); font-weight: 600;
  letter-spacing: -0.02em; line-height: 1.35; max-width: 26em;
  margin-top: clamp(2rem, 4vw, 3rem); color: var(--ink);
}
.page-lead em { font-style: italic; color: var(--accent); }

/* services detail cards */
.svc-detail { border-top: 1px solid var(--line); }
.svc-cards { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1px; background: var(--line); border: 1px solid var(--line); }
.svc-card { background: var(--bg); padding: clamp(2rem, 4vw, 3.5rem); transition: background 0.3s; }
.svc-card:hover { background: var(--bg-2); }
.svc-card .svc-no { font-family: var(--mono); font-size: 0.8rem; color: var(--accent); }
.svc-card h3 { font-size: clamp(1.7rem, 3.2vw, 2.6rem); font-weight: 850; letter-spacing: -0.03em; text-transform: uppercase; line-height: 1; margin: 1rem 0 1.2rem; }
.svc-card p { color: var(--ink-soft); max-width: 40ch; }
.svc-card .svc-items { display: flex; flex-wrap: wrap; gap: 0.45rem; margin-top: 1.6rem; }

/* process steps */
.process { border-top: 1px solid var(--line); }
.process-list { border-top: 1px solid var(--line); }
.process-row { display: grid; grid-template-columns: 6rem 1fr; gap: clamp(1rem, 3vw, 3rem); padding: clamp(2rem, 4vw, 3.2rem) 0; border-bottom: 1px solid var(--line); align-items: start; }
.process-row .p-no { font-family: var(--mono); font-size: 0.85rem; color: var(--accent); padding-top: 0.5rem; }
.process-row h3 { font-size: clamp(1.6rem, 3.6vw, 3rem); font-weight: 850; letter-spacing: -0.03em; text-transform: uppercase; line-height: 1; }
.process-row p { color: var(--ink-soft); max-width: 46ch; margin-top: 1rem; font-size: 1.05rem; }

/* about split */
.about-split { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(2rem, 5vw, 5rem); align-items: center; border-top: 1px solid var(--line); }
.about-split .media { border-radius: 6px; overflow: hidden; background: var(--bg-2); }
.about-split .media img { width: 100%; aspect-ratio: 4 / 5; object-fit: cover; }
.about-split p { font-size: clamp(1.15rem, 2vw, 1.55rem); font-weight: 550; letter-spacing: -0.015em; line-height: 1.45; color: var(--ink); }
.about-split p + p { margin-top: 1.4rem; }
.about-split em { font-style: italic; color: var(--accent); }

/* values list */
.values { border-top: 1px solid var(--line); }
.values-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; background: var(--line); border: 1px solid var(--line); }
.value { background: var(--bg); padding: clamp(1.8rem, 3.5vw, 3rem); }
.value .v-no { font-family: var(--mono); font-size: 0.78rem; color: var(--accent); }
.value h3 { font-size: clamp(1.4rem, 2.6vw, 2rem); font-weight: 800; letter-spacing: -0.025em; text-transform: uppercase; margin: 0.9rem 0 0.9rem; line-height: 1; }
.value p { color: var(--ink-soft); }

/* clients / fields chips */
.fields-flow { display: flex; flex-wrap: wrap; gap: 0.7rem; }
.field-chip {
  font-size: clamp(1.05rem, 2vw, 1.6rem); font-weight: 700; letter-spacing: -0.02em;
  border: 1.5px solid var(--line); border-radius: 99px; padding: 0.6rem 1.5rem;
  transition: background 0.25s var(--ease-out), color 0.25s, border-color 0.25s;
}
.field-chip:hover { background: var(--accent); border-color: var(--accent); color: var(--accent-ink); }

/* ============ case study ============ */

.case-head { padding: clamp(3.5rem, 8vw, 7rem) var(--gutter) clamp(2rem, 4vw, 3rem); }
.case-title {
  font-size: clamp(2.8rem, 10vw, 9rem); font-weight: 900;
  letter-spacing: -0.045em; line-height: 0.9; text-transform: uppercase; max-width: 14em;
}
.case-title .sub {
  display: block; font-family: var(--mono); font-size: clamp(0.85rem, 1.5vw, 1.1rem);
  font-weight: 400; letter-spacing: 0.04em; text-transform: none;
  color: var(--ink-soft); margin-top: 1.2em;
}
.case-info {
  display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 2rem;
  margin-top: clamp(2.5rem, 5vw, 4rem); padding-top: 1.5rem; border-top: 1px solid var(--line);
}
.case-info h2 { font-family: var(--mono); font-size: 0.74rem; font-weight: 400; letter-spacing: 0.1em; text-transform: uppercase; color: var(--ink-soft); margin-bottom: 0.6rem; }
.case-info p { font-weight: 650; font-size: 1.05rem; }

.case-intro { padding: 0 var(--gutter) clamp(2.5rem, 5vw, 4rem); }
.case-intro p { font-size: clamp(1.3rem, 2.6vw, 2rem); font-weight: 600; letter-spacing: -0.02em; line-height: 1.4; max-width: 30em; }

.case-media { display: grid; gap: clamp(0.9rem, 1.6vw, 1.5rem); padding: 0 var(--gutter); }
.case-media img { width: 100%; border-radius: 6px; background: var(--bg-2); }
.case-media .pair { display: grid; grid-template-columns: 1fr 1fr; gap: inherit; }
.case-video { position: relative; aspect-ratio: 16 / 9; border-radius: 6px; overflow: hidden; background: #000; }
.case-video iframe { position: absolute; inset: 0; width: 100%; height: 100%; border: 0; }

.case-nav { display: grid; grid-template-columns: 1fr 1fr; margin-top: clamp(4rem, 8vw, 7rem); border-top: 1px solid var(--line); }
.case-nav a { padding: clamp(1.75rem, 4vw, 3rem) var(--gutter); transition: background 0.25s var(--ease-out); }
.case-nav a:hover { background: var(--bg-2); }
.case-nav .next { text-align: right; border-left: 1px solid var(--line); }
.case-nav .label { display: block; font-family: var(--mono); font-size: 0.74rem; font-weight: 400; letter-spacing: 0.08em; text-transform: uppercase; color: var(--ink-soft); margin-bottom: 0.5rem; }
.case-nav .name { font-size: clamp(1.3rem, 3vw, 2.4rem); font-weight: 850; letter-spacing: -0.03em; text-transform: uppercase; }
.case-nav a:hover .name { color: var(--accent); }

/* legacy contact block on case pages */
.contact { border-top: 1px solid var(--line); text-align: center; }
.contact-eyebrow { font-family: var(--mono); font-size: 0.76rem; letter-spacing: 0.1em; text-transform: uppercase; color: var(--ink-soft); margin-bottom: 1.5rem; }
.contact-title { font-size: clamp(2.7rem, 10.5vw, 9rem); font-weight: 900; letter-spacing: -0.045em; line-height: 0.92; text-transform: uppercase; }
.contact-title a { display: inline-block; transition: color 0.25s var(--ease-out); }
.contact-title a:hover { color: var(--accent); }
.contact-links { display: flex; justify-content: center; gap: 0.8rem; flex-wrap: wrap; margin-top: clamp(2.5rem, 6vw, 4rem); }
.contact-pill { font-family: var(--mono); font-size: 0.9rem; border: 1.5px solid var(--ink); border-radius: 99px; padding: 0.8rem 1.7rem; transition: background 0.25s var(--ease-out), color 0.25s, border-color 0.25s; }
.contact-pill:hover { background: var(--accent); border-color: var(--accent); color: var(--accent-ink); }

/* ============ reveals ============ */

.reveal { opacity: 0; translate: 0 2.5rem; transition: opacity 0.8s var(--ease-out), translate 0.8s var(--ease-out); }
.reveal.in-view { opacity: 1; translate: 0 0; }

/* ============ responsive ============ */

@media (max-width: 980px) {
  .studio-grid { grid-template-columns: 1fr; gap: 2rem; }
  .stats { grid-template-columns: 1fr 1fr; }
  .stat:nth-child(2) { border-right: 0; }
  .svc-cards, .values-grid { grid-template-columns: 1fr; }
  .about-split { grid-template-columns: 1fr; }
  .about-split .media { order: -1; }
  .site-footer { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 860px) {
  .site-nav, .header-cta, .site-header .lang-switch { display: none; }
  .nav-toggle { display: flex; }
  .work-grid { grid-template-columns: 1fr; }
  .work-item, .work-item.is-full { grid-column: 1 / -1; }
  .work-item.is-full .work-media img { aspect-ratio: 16 / 10; }
  .work-tags { margin-left: 0; width: 100%; }
  .svc-row { grid-template-columns: 2.5rem 1fr; }
  .svc-row .svc-desc { display: none; }
  .process-row { grid-template-columns: 1fr; gap: 0.5rem; }
  .case-info { grid-template-columns: 1fr; gap: 1.25rem; }
  .case-media .pair { grid-template-columns: 1fr; }
  .case-nav { grid-template-columns: 1fr; }
  .case-nav .next { border-left: 0; border-top: 1px solid var(--line); text-align: left; }
}

@media (max-width: 560px) {
  .stats { grid-template-columns: 1fr; }
  .stat { border-right: 0; border-bottom: 1px solid var(--line-soft); }
  .site-footer { grid-template-columns: 1fr; }
  .hero-meta span:nth-child(n+3) { display: none; }
}

/* ============ Metamorphosis display headers ============ */

.brand,
.hero-title,
.section-head h2,
.page-title,
.cta-title,
.contact-title,
.footer-brand,
.svc-row .svc-name,
.svc-card h3,
.process-row h3,
.value h3,
.field-chip,
.stat .num,
.marquee-track span {
  font-family: var(--display);
  font-weight: 400;
  letter-spacing: 0;
}

/* the rounded face is wider than Archivo — sizes bumped +25% */
.hero-title { font-size: clamp(4.06rem, 17.2vw, 18rem); line-height: 0.92; letter-spacing: -0.005em; }
.hero-title .outline { -webkit-text-stroke: clamp(1px, 0.16vw, 2.5px) var(--ink); }
.section-head h2 { font-size: clamp(2.75rem, 7.5vw, 6.25rem); line-height: 1; }
.page-title { font-size: clamp(3.25rem, 11.875vw, 12.5rem); line-height: 0.94; }
.cta-title, .contact-title { font-size: clamp(3rem, 12.5vw, 11.875rem); line-height: 0.98; }
.case-title { font-family: var(--mono); font-weight: 700; font-size: clamp(2.3rem, 6vw, 5.25rem); line-height: 1.06; letter-spacing: -0.01em; text-transform: uppercase; }
.svc-row .svc-name { font-size: clamp(1.5rem, 4.2vw, 3.2rem); }
.cta-band .eyebrow, .cta-band .cta-title + .cta-links { }

/* brand logo: official lockup SVG */
.brand { display: inline-flex; align-items: center; }
.brand-logo { height: 1.7rem; width: auto; display: block; }
.footer-brand { display: flex; align-items: center; }
.footer-brand .brand-logo { height: clamp(2.4rem, 6vw, 4.5rem); width: auto; }

/* display headers render their literal (sentence-cased) source text */
.hero-title,
.section-head h2,
.page-title,
.cta-title,
.contact-title,
.svc-row .svc-name,
.svc-card h3,
.process-row h3,
.value h3,
.marquee-track span {
  text-transform: none;
}

/* ============ hero animated mark ============ */

.hero { overflow: clip; }
.hero-inner { position: relative; z-index: 1; }

.hero-mark {
  position: absolute; left: 50%; top: 47%;
  transform: translate(-50%, -50%) translateZ(0);
  will-change: transform;
  z-index: 0; width: min(108vw, 1600px);
  opacity: 0.72;
  pointer-events: none;
}
.hero-mark::before {
  content: ""; position: absolute; inset: -55%;
  background: radial-gradient(closest-side,
    rgba(201, 73, 39, 0.30),
    rgba(201, 73, 39, 0.06) 52%,
    transparent 74%);
  filter: blur(14px); z-index: -1;
}
.hero-mark svg { width: 100%; height: auto; display: block; overflow: visible; }

.hm-eye  { fill: rgba(245, 239, 232, 0.04); }
.hm-ring {
  fill: none; stroke: rgba(245, 239, 232, 0.5); stroke-width: 2;
  filter: drop-shadow(0 0 4px rgba(246, 134, 63, 0.85))
          drop-shadow(0 0 13px rgba(201, 73, 39, 0.55));
}
.hm-comet { fill: none; stroke-linecap: round; }
.hm-orb-core {
  filter: drop-shadow(0 0 5px #ffffff)
          drop-shadow(0 0 14px rgba(246, 134, 63, 0.9))
          drop-shadow(0 0 32px rgba(201, 73, 39, 0.7));
}
.hm-spark-glow { fill: #f6863f; filter: blur(15px); opacity: 0.62; }
.hm-spark {
  fill: #f3ece4; opacity: 0.72;
  filter: blur(1.5px);
  will-change: transform; /* own compositor layer: its repaint won't invalidate siblings */
}

@media (max-width: 980px) {
  .hero-mark { width: 130vw; top: 62%; opacity: 0.7; }
}
@media (max-width: 560px) {
  .hero-mark { width: 165vw; top: 64%; opacity: 0.55; }
}

/* ============ reduced motion ============ */

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .hero-title .line > span { animation: none; transform: none; }
  .hero-foot { animation: none; opacity: 1; }
  .marquee-track { animation: none; }
  .scroll-cue .dot { animation: none; }
  .reveal { opacity: 1; translate: 0 0; transition: none; }
  .work-media img { transition: none; }
}

/* ============ language switch (VI / EN) ============ */
.lang-switch {
  margin-left: auto;
  display: inline-flex;
  align-items: center;
  gap: 2px;
  padding: 3px;
  border: 1.5px solid var(--line);
  border-radius: 99px;
  font-family: var(--mono);
}
.lang-switch button {
  font: inherit;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--ink-soft);
  background: none;
  border: 0;
  cursor: pointer;
  padding: 0.3rem 0.62rem;
  border-radius: 99px;
  transition: background 0.25s var(--ease-out), color 0.25s var(--ease-out);
}
.lang-switch button:hover { color: var(--ink); }
.lang-switch button.is-active { background: var(--ink); color: var(--bg); }
.lang-switch button:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }

/* mobile menu variant */
.mobile-menu .lang-switch {
  margin: 1.5rem 0 0;
  padding: 4px;
}
.mobile-menu .lang-switch button {
  font-size: 0.95rem;
  padding: 0.55rem 1.4rem;
}