/* =========================================================
   五相 WUXIANG — single-page portfolio
   Pure CSS, no build step, all assets local
   ========================================================= */

:root {
  --bg: #060708;
  --bg-soft: #0a0c10;
  --ink: #f3f0e8;
  --ink-dim: #c7c3b9;
  --muted: #92948f;
  --line: rgba(255, 255, 255, 0.09);
  --line-strong: rgba(255, 255, 255, 0.18);
  --gold: #e8b95e;
  --wood: #4cc47b;
  --water: #64a8e6;
  --fire: #e76a4a;
  --earth: #b98b5b;
  --green: #6bd18e;
  --serif: "Songti SC", "STSong", "Noto Serif CJK SC", "Source Han Serif SC", "SimSun", serif;
  --sans: "Inter", "SF Pro Text", "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  --gutter: clamp(20px, 5vw, 80px);
  --max: 1480px;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 110px;
  -webkit-text-size-adjust: 100%;
  scrollbar-color: rgba(255, 255, 255, 0.22) var(--bg);
}

body {
  margin: 0;
  min-width: 300px;
  overflow-x: hidden;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

body.menu-open,
body.lightbox-open {
  overflow: hidden;
}

main,
.ticker,
.site-footer {
  position: relative;
  z-index: 2;
}

h1,
h2,
h3,
p,
figure,
dl,
dd,
blockquote {
  margin: 0;
}

ul {
  margin: 0;
  padding: 0;
  list-style: none;
}

img {
  display: block;
  max-width: 100%;
}

a {
  color: inherit;
  text-decoration: none;
}

button {
  color: inherit;
  font: inherit;
}

button,
a {
  -webkit-tap-highlight-color: transparent;
}

::selection {
  background: rgba(232, 185, 94, 0.28);
  color: #fff;
}

:focus-visible {
  outline: 2px solid var(--gold);
  outline-offset: 4px;
}

/* ---------- background atmosphere ---------- */

.ambient {
  position: fixed;
  z-index: 0;
  inset: 0;
  overflow: hidden;
  pointer-events: none;
}

.orb {
  position: absolute;
  display: block;
  border-radius: 50%;
  filter: blur(90px);
  opacity: 0.5;
  will-change: transform;
}

.orb--gold {
  top: -18vw;
  left: -10vw;
  width: 48vw;
  height: 48vw;
  background: radial-gradient(circle, rgba(232, 185, 94, 0.24), transparent 68%);
}

.orb--wood {
  top: 12vh;
  left: 30vw;
  width: 36vw;
  height: 36vw;
  background: radial-gradient(circle, rgba(76, 196, 123, 0.16), transparent 69%);
}

.orb--water {
  top: 20vh;
  right: -12vw;
  width: 44vw;
  height: 44vw;
  background: radial-gradient(circle, rgba(100, 168, 230, 0.18), transparent 68%);
}

.orb--fire {
  right: 10vw;
  bottom: 8vh;
  width: 30vw;
  height: 30vw;
  background: radial-gradient(circle, rgba(231, 106, 74, 0.14), transparent 68%);
}

.orb--earth {
  bottom: -20vw;
  left: 4vw;
  width: 40vw;
  height: 40vw;
  background: radial-gradient(circle, rgba(185, 139, 91, 0.13), transparent 68%);
}

.grid-lines {
  position: fixed;
  z-index: 0;
  inset: 0;
  pointer-events: none;
  opacity: 0.28;
  background-image:
    linear-gradient(to right, rgba(255, 255, 255, 0.055) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255, 255, 255, 0.045) 1px, transparent 1px);
  background-size: 88px 88px;
  -webkit-mask-image: radial-gradient(circle at 50% 22%, #000 0%, transparent 78%);
  mask-image: radial-gradient(circle at 50% 22%, #000 0%, transparent 78%);
}

.grain {
  position: fixed;
  z-index: 100;
  inset: 0;
  pointer-events: none;
  opacity: 0.045;
  mix-blend-mode: soft-light;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='180' height='180'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.82' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.55'/%3E%3C/svg%3E");
}

/* ---------- shared ---------- */

.skip-link {
  position: fixed;
  z-index: 200;
  top: 12px;
  left: 12px;
  padding: 10px 16px;
  border-radius: 10px;
  background: var(--ink);
  color: var(--bg);
  font-size: 13px;
  transform: translateY(-160%);
  transition: transform 0.25s ease;
}

.skip-link:focus {
  transform: translateY(0);
}

.glass {
  border: 1px solid var(--line);
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0.075), rgba(255, 255, 255, 0.025)),
    rgba(8, 10, 13, 0.45);
  box-shadow:
    0 30px 90px rgba(0, 0, 0, 0.38),
    inset 0 1px 0 rgba(255, 255, 255, 0.1);
  -webkit-backdrop-filter: blur(22px) saturate(125%);
  backdrop-filter: blur(22px) saturate(125%);
}

.scroll-progress {
  position: fixed;
  z-index: 110;
  top: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background: rgba(255, 255, 255, 0.06);
}

.scroll-progress span {
  display: block;
  width: 100%;
  height: 100%;
  transform: scaleX(0);
  transform-origin: left center;
  background: linear-gradient(90deg, var(--gold), var(--wood) 42%, var(--water) 70%, var(--fire));
  box-shadow: 0 0 16px rgba(232, 185, 94, 0.35);
}

/* ---------- header ---------- */

.site-header {
  position: fixed;
  z-index: 80;
  top: 18px;
  left: 50%;
  display: flex;
  align-items: center;
  gap: 28px;
  width: min(calc(100% - 40px), 1360px);
  padding: 10px 12px 10px 18px;
  border: 1px solid rgba(255, 255, 255, 0.09);
  border-radius: 20px;
  background: rgba(8, 10, 13, 0.42);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.12);
  -webkit-backdrop-filter: blur(18px) saturate(130%);
  backdrop-filter: blur(18px) saturate(130%);
  transform: translateX(-50%);
  transition:
    top 0.35s ease,
    background-color 0.35s ease,
    border-color 0.35s ease,
    box-shadow 0.35s ease;
}

.site-header.is-scrolled {
  top: 10px;
  background: rgba(7, 9, 12, 0.82);
  border-color: rgba(255, 255, 255, 0.13);
  box-shadow: 0 18px 60px rgba(0, 0, 0, 0.42);
}

.brand {
  display: flex;
  align-items: center;
  gap: 11px;
  margin-right: auto;
  border-radius: 12px;
}

.brand-mark {
  display: grid;
  width: 36px;
  height: 36px;
  place-items: center;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 50%;
  background: linear-gradient(145deg, rgba(232, 185, 94, 0.2), rgba(76, 196, 123, 0.08));
  color: var(--ink);
  font-family: var(--serif);
  font-size: 17px;
  line-height: 1;
}

.brand-text {
  display: flex;
  flex-direction: column;
  gap: 3px;
  line-height: 1;
}

.brand-text strong {
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.14em;
}

.brand-text small {
  color: var(--muted);
  font-size: 8px;
  font-weight: 500;
  letter-spacing: 0.28em;
}

.nav {
  display: flex;
  align-items: center;
  gap: clamp(18px, 2.4vw, 34px);
}

.nav a {
  position: relative;
  padding: 8px 0;
  color: var(--muted);
  font-size: 11px;
  letter-spacing: 0.14em;
  transition: color 0.25s ease;
}

.nav a::after {
  position: absolute;
  bottom: 3px;
  left: 0;
  width: 100%;
  height: 1px;
  background: linear-gradient(90deg, var(--gold), var(--wood));
  content: "";
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform 0.3s ease;
}

.nav a:hover,
.nav a.is-active {
  color: var(--ink);
}

.nav a.is-active::after {
  transform: scaleX(1);
}

.header-cta {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding: 10px 15px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.045);
  font-size: 11px;
  letter-spacing: 0.12em;
  transition:
    background-color 0.25s ease,
    border-color 0.25s ease,
    transform 0.25s ease;
}

.header-cta:hover {
  border-color: rgba(232, 185, 94, 0.5);
  background: rgba(232, 185, 94, 0.1);
  transform: translateY(-1px);
}

.header-cta-arrow {
  color: var(--gold);
  font-size: 12px;
}

.menu-toggle {
  display: none;
  position: relative;
  width: 42px;
  height: 42px;
  padding: 0;
  border: 1px solid var(--line-strong);
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.04);
  cursor: pointer;
}

.menu-toggle span {
  position: absolute;
  left: 11px;
  width: 18px;
  height: 1px;
  background: var(--ink);
  transition:
    top 0.3s ease,
    transform 0.3s ease;
}

.menu-toggle span:first-child {
  top: 17px;
}

.menu-toggle span:last-child {
  top: 24px;
}

.menu-toggle[aria-expanded="true"] span:first-child {
  top: 21px;
  transform: rotate(45deg);
}

.menu-toggle[aria-expanded="true"] span:last-child {
  top: 21px;
  transform: rotate(-45deg);
}

/* ---------- mobile menu ---------- */

.mobile-menu {
  position: fixed;
  z-index: 70;
  inset: 0;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 120px var(--gutter) 40px;
  background:
    radial-gradient(circle at 80% 10%, rgba(232, 185, 94, 0.12), transparent 38%),
    rgba(6, 7, 8, 0.9);
  -webkit-backdrop-filter: blur(28px) saturate(120%);
  backdrop-filter: blur(28px) saturate(120%);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition:
    opacity 0.35s ease,
    visibility 0s linear 0.35s;
}

.mobile-menu.is-open {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  transition:
    opacity 0.35s ease,
    visibility 0s linear 0s;
}

.mobile-nav {
  display: flex;
  flex-direction: column;
}

.mobile-nav a {
  display: flex;
  align-items: baseline;
  gap: 16px;
  padding: 12px 0;
  border-bottom: 1px solid var(--line);
  font-family: var(--serif);
  font-size: clamp(2.4rem, 9vw, 4rem);
  line-height: 1.18;
}

.mobile-nav a span {
  color: var(--gold);
  font-family: var(--sans);
  font-size: 9px;
  letter-spacing: 0.22em;
}

.mobile-menu-foot {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-top: 50px;
  color: var(--muted);
  font-size: 11px;
  letter-spacing: 0.1em;
}

.mobile-menu-foot a {
  color: var(--ink-dim);
  font-family: var(--serif);
  font-size: 16px;
  letter-spacing: 0.04em;
}

/* ---------- hero ---------- */

.hero {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: minmax(0, 1.04fr) minmax(360px, 0.78fr);
  align-items: center;
  gap: clamp(36px, 6vw, 96px);
  width: 100%;
  max-width: var(--max);
  min-height: 100svh;
  margin: 0 auto;
  padding: clamp(140px, 16vh, 196px) var(--gutter) clamp(72px, 10vh, 120px);
  overflow: clip;
}

.hero-copy {
  min-width: 0;
}

.eyebrow {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 9px;
  color: var(--muted);
  font-size: 9.5px;
  font-weight: 500;
  letter-spacing: 0.22em;
  line-height: 1.6;
  text-transform: uppercase;
}

.status-dot {
  display: inline-block;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 0 4px rgba(107, 209, 142, 0.1);
}

.eyebrow-sep {
  color: rgba(255, 255, 255, 0.25);
}

.hero-title {
  max-width: 760px;
  margin: 24px 0 26px;
  font-family: var(--serif);
  font-size: clamp(3rem, 6.05vw, 5.9rem);
  font-weight: 500;
  letter-spacing: -0.045em;
  line-height: 1.08;
}

.title-line {
  display: block;
  white-space: nowrap;
}

.title-line--accent {
  padding-bottom: 0.09em;
  background: linear-gradient(100deg, #f3d28e 0%, #91dca1 28%, #77c3ed 58%, #f1a083 82%, #e4bc84 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero-lede {
  max-width: 590px;
  color: var(--muted);
  font-size: 14.5px;
  line-height: 1.95;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
  margin-top: 34px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  min-height: 48px;
  padding: 0 22px;
  border: 1px solid transparent;
  border-radius: 999px;
  font-size: 12px;
  letter-spacing: 0.1em;
  transition:
    transform 0.3s ease,
    box-shadow 0.3s ease,
    border-color 0.3s ease,
    background-color 0.3s ease;
}

.btn--primary {
  background: linear-gradient(120deg, #f3d28e, #e8b95e 48%, #c99a43);
  box-shadow: 0 14px 40px rgba(232, 185, 94, 0.16);
  color: #171208;
  font-weight: 600;
}

.btn--primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 18px 48px rgba(232, 185, 94, 0.24);
}

.btn-icon {
  font-size: 15px;
  font-weight: 400;
}

.btn--ghost {
  border-color: var(--line-strong);
  background: rgba(255, 255, 255, 0.03);
  color: var(--ink-dim);
}

.btn--ghost:hover {
  border-color: rgba(255, 255, 255, 0.32);
  background: rgba(255, 255, 255, 0.065);
  transform: translateY(-2px);
}

.hero-meta {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
  max-width: 610px;
  margin-top: 58px;
  padding-top: 20px;
  border-top: 1px solid var(--line);
}

.hero-meta dt {
  margin-bottom: 7px;
  color: var(--muted);
  font-size: 8.5px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
}

.hero-meta dd {
  color: var(--ink-dim);
  font-size: 11.5px;
  letter-spacing: 0.03em;
  line-height: 1.5;
}

.availability {
  display: inline-flex;
  align-items: center;
  gap: 7px;
}

.availability > span {
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 0 3px rgba(107, 209, 142, 0.1);
}

/* hero artwork */

.hero-visual {
  position: relative;
  justify-self: end;
  width: min(100%, 472px);
  perspective: 1100px;
}

.hero-halo {
  position: absolute;
  z-index: -1;
  inset: -16%;
  border-radius: 50%;
  background:
    radial-gradient(circle at 40% 35%, rgba(76, 196, 123, 0.24), transparent 45%),
    radial-gradient(circle at 70% 75%, rgba(232, 185, 94, 0.16), transparent 42%),
    radial-gradient(circle at 55% 55%, rgba(100, 168, 230, 0.16), transparent 60%);
  filter: blur(32px);
  opacity: 0.8;
}

.hero-frame {
  position: relative;
  width: 100%;
  aspect-ratio: 4 / 5;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 30px;
  background: #0b0e11;
  box-shadow:
    0 44px 110px rgba(0, 0, 0, 0.58),
    0 0 0 1px rgba(255, 255, 255, 0.03) inset,
    0 1px 0 rgba(255, 255, 255, 0.16) inset;
  transform: perspective(1100px) rotateX(var(--tilt-x, 0deg)) rotateY(var(--tilt-y, 0deg)) rotate(1.3deg);
  transform-style: preserve-3d;
  transition: transform 0.7s cubic-bezier(0.22, 1, 0.36, 1);
  will-change: transform;
}

.hero-frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 50% 48%;
  transform: scale(1.015);
  transition: transform 1.2s cubic-bezier(0.22, 1, 0.36, 1);
}

.hero-visual:hover .hero-frame img {
  transform: scale(1.055);
}

.hero-frame-shade {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(to top, rgba(4, 6, 8, 0.86) 0%, rgba(4, 6, 8, 0.12) 38%, transparent 60%),
    linear-gradient(120deg, rgba(4, 6, 8, 0.22), transparent 35%);
  pointer-events: none;
}

.hero-tag {
  position: absolute;
  top: 18px;
  left: 18px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 9px 12px;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 999px;
  background: rgba(7, 9, 12, 0.48);
  -webkit-backdrop-filter: blur(15px);
  backdrop-filter: blur(15px);
  color: rgba(255, 255, 255, 0.84);
  font-size: 8.5px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.hero-tag-dot {
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--wood);
  box-shadow: 0 0 10px rgba(76, 196, 123, 0.8);
}

.hero-caption {
  position: absolute;
  right: 20px;
  bottom: 20px;
  left: 20px;
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 16px;
  color: rgba(255, 255, 255, 0.8);
  font-size: 9px;
  letter-spacing: 0.18em;
  line-height: 1.5;
  text-transform: uppercase;
}

.caption-year {
  color: rgba(255, 255, 255, 0.54);
  font-size: 8px;
}

.caption-palette {
  position: absolute;
  bottom: 46px;
  left: 21px;
  display: flex;
  gap: 5px;
}

.dot {
  display: inline-block;
  width: 5px;
  height: 5px;
  border-radius: 50%;
}

.dot--metal {
  background: var(--gold);
}

.dot--wood {
  background: var(--wood);
}

.dot--water {
  background: var(--water);
}

.dot--fire {
  background: var(--fire);
}

.dot--earth {
  background: var(--earth);
}

.hero-chip {
  position: absolute;
  z-index: 3;
  right: -28px;
  bottom: 94px;
  width: 118px;
  aspect-ratio: 1;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 19px;
  background: #0b0e11;
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.5);
  transform: rotate(4deg);
  transition: transform 0.5s cubic-bezier(0.22, 1, 0.36, 1);
}

.hero-chip img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero-visual:hover .hero-chip {
  transform: rotate(1deg) translateY(-4px);
}

.hero-side-label {
  position: absolute;
  top: 50%;
  right: -38px;
  color: rgba(255, 255, 255, 0.34);
  font-size: 8px;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  transform: translateY(-50%);
  writing-mode: vertical-rl;
}

.scroll-cue {
  position: absolute;
  bottom: 30px;
  left: var(--gutter);
  display: flex;
  align-items: center;
  gap: 13px;
  color: rgba(255, 255, 255, 0.38);
  font-size: 8px;
  letter-spacing: 0.28em;
}

.scroll-cue-line {
  display: inline-block;
  width: 44px;
  height: 1px;
  overflow: hidden;
  background: rgba(255, 255, 255, 0.16);
}

.scroll-cue-line::after {
  display: block;
  width: 100%;
  height: 100%;
  background: var(--gold);
  content: "";
  animation: scrollLine 2.6s ease-in-out infinite;
}

@keyframes scrollLine {
  0% {
    transform: translateX(-100%);
  }
  55%,
  100% {
    transform: translateX(100%);
  }
}

/* ---------- ticker ---------- */

.ticker {
  overflow: hidden;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.012);
}

.ticker-track {
  display: flex;
  width: max-content;
  animation: ticker 38s linear infinite;
}

.ticker-group {
  display: flex;
  align-items: center;
  gap: 32px;
  padding: 16px 17px;
}

.ticker span {
  color: var(--ink-dim);
  font-family: var(--serif);
  font-size: 13px;
  letter-spacing: 0.12em;
  white-space: nowrap;
}

.ticker small {
  margin-left: 6px;
  color: var(--muted);
  font-family: var(--sans);
  font-size: 7.5px;
  letter-spacing: 0.22em;
}

.ticker i {
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--gold);
  opacity: 0.55;
}

@keyframes ticker {
  to {
    transform: translateX(-50%);
  }
}

/* ---------- sections ---------- */

.section {
  position: relative;
  z-index: 2;
  width: 100%;
  max-width: var(--max);
  margin: 0 auto;
  padding: clamp(94px, 12vw, 160px) var(--gutter);
}

.section-head {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.section-kicker {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--muted);
  font-size: 9px;
  letter-spacing: 0.24em;
  text-transform: uppercase;
}

.section-kicker span:first-child {
  color: var(--gold);
  font-variant-numeric: tabular-nums;
}

.section-kicker::after {
  width: 46px;
  height: 1px;
  background: linear-gradient(90deg, var(--line-strong), transparent);
  content: "";
}

.section-heading-row {
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(240px, 0.75fr);
  align-items: end;
  gap: clamp(30px, 5vw, 70px);
}

.section h2 {
  max-width: 840px;
  font-family: var(--serif);
  font-size: clamp(2.4rem, 4.35vw, 4.45rem);
  font-weight: 500;
  letter-spacing: -0.04em;
  line-height: 1.13;
}

.section h2 em {
  padding-bottom: 0.06em;
  background: linear-gradient(100deg, #f2d28e, #8cdb9d 42%, #7dc6ef 72%, #f0a084);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  font-style: normal;
}

.section-heading-row > p {
  max-width: 390px;
  justify-self: end;
  color: var(--muted);
  font-size: 13.5px;
  line-height: 1.9;
}

/* ---------- selected work ---------- */

.project {
  margin-top: clamp(38px, 5vw, 66px);
  overflow: hidden;
  border-radius: 30px;
}

.project-media {
  position: relative;
  display: block;
  aspect-ratio: 2400 / 732;
  overflow: hidden;
  background: #0b0e11;
  cursor: zoom-in;
}

.project-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 1.3s cubic-bezier(0.22, 1, 0.36, 1);
}

.project-media:hover img {
  transform: scale(1.025);
}

.project-media-shade {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(to top, rgba(4, 6, 8, 0.62), transparent 34%),
    linear-gradient(to right, rgba(4, 6, 8, 0.22), transparent 22%);
  pointer-events: none;
}

.project-view {
  position: absolute;
  right: 22px;
  bottom: 22px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 14px;
  border: 1px solid rgba(255, 255, 255, 0.17);
  border-radius: 999px;
  background: rgba(7, 9, 12, 0.58);
  -webkit-backdrop-filter: blur(15px);
  backdrop-filter: blur(15px);
  color: rgba(255, 255, 255, 0.9);
  font-size: 9px;
  letter-spacing: 0.14em;
  transition:
    background-color 0.3s ease,
    transform 0.3s ease;
}

.project-media:hover .project-view {
  background: rgba(7, 9, 12, 0.85);
  transform: translateY(-2px);
}

.project-info {
  display: grid;
  grid-template-columns: minmax(0, 1.24fr) minmax(260px, 0.76fr);
  gap: clamp(34px, 5vw, 82px);
  padding: clamp(28px, 4vw, 46px);
  border-top: 1px solid var(--line);
}

.project-index {
  margin-bottom: 15px;
  color: var(--muted);
  font-size: 8.5px;
  letter-spacing: 0.22em;
}

.project-index span {
  margin: 0 7px;
  color: var(--gold);
}

.project-summary h3 {
  font-family: var(--serif);
  font-size: clamp(2rem, 3.4vw, 3.4rem);
  font-weight: 500;
  letter-spacing: -0.035em;
  line-height: 1.08;
}

.project-summary h3 span {
  display: block;
  margin-top: 7px;
  color: var(--muted);
  font-family: var(--sans);
  font-size: 8.5px;
  font-weight: 500;
  letter-spacing: 0.3em;
  text-transform: uppercase;
}

.project-desc {
  max-width: 650px;
  margin-top: 20px;
  color: var(--muted);
  font-size: 13.5px;
  line-height: 1.92;
}

.project-meta {
  display: flex;
  flex-direction: column;
  align-self: start;
}

.project-meta > div {
  display: grid;
  grid-template-columns: 62px 1fr;
  gap: 16px;
  padding: 13px 0;
  border-top: 1px solid var(--line);
}

.project-meta > div:first-child {
  padding-top: 0;
  border-top: 0;
}

.project-meta dt {
  color: var(--muted);
  font-size: 8.5px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.project-meta dd {
  color: var(--ink-dim);
  font-size: 12px;
  line-height: 1.7;
}

.project-notes {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(240px, 0.85fr);
  align-items: end;
  gap: 36px;
  padding: clamp(38px, 5vw, 58px) 8px clamp(36px, 4vw, 48px);
}

.project-quote {
  color: var(--ink-dim);
  font-family: var(--serif);
  font-size: clamp(1.28rem, 2vw, 1.85rem);
  line-height: 1.7;
}

.project-tags {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 7px;
}

.project-tags span {
  padding: 7px 12px;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--muted);
  font-size: 8px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.study-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.22fr) minmax(0, 0.78fr);
  gap: 16px;
}

.study {
  position: relative;
  display: flex;
  min-height: 280px;
  align-items: flex-end;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 22px;
  background: #0b0e11;
}

.study img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 1.2s cubic-bezier(0.22, 1, 0.36, 1);
}

.study:hover img {
  transform: scale(1.04);
}

.study::after {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(4, 6, 8, 0.8), transparent 52%);
  content: "";
}

.study figcaption {
  position: relative;
  z-index: 2;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  width: 100%;
  padding: 22px;
  color: rgba(255, 255, 255, 0.78);
  font-size: 10px;
  letter-spacing: 0.08em;
}

.study figcaption span {
  color: var(--gold);
  font-size: 8px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

/* ---------- five elements ---------- */

.element-rail {
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: minmax(218px, 1fr);
  gap: 15px;
  margin-top: clamp(38px, 5vw, 64px);
  padding: 5px 0 18px;
  overflow-x: auto;
  overscroll-behavior-x: contain;
  scroll-snap-type: x mandatory;
  scrollbar-width: none;
}

.element-rail::-webkit-scrollbar {
  display: none;
}

.element-card {
  --accent: var(--gold);
  --accent-soft: rgba(232, 185, 94, 0.16);
  position: relative;
  display: block;
  overflow: hidden;
  scroll-snap-align: start;
  border: 1px solid var(--line);
  border-radius: 24px;
  background: rgba(10, 12, 16, 0.55);
  text-align: left;
  transition:
    transform 0.45s cubic-bezier(0.22, 1, 0.36, 1),
    border-color 0.45s ease,
    box-shadow 0.45s ease;
}

.element-card[data-element="wood"] {
  --accent: var(--wood);
  --accent-soft: rgba(76, 196, 123, 0.16);
}

.element-card[data-element="water"] {
  --accent: var(--water);
  --accent-soft: rgba(100, 168, 230, 0.16);
}

.element-card[data-element="fire"] {
  --accent: var(--fire);
  --accent-soft: rgba(231, 106, 74, 0.16);
}

.element-card[data-element="earth"] {
  --accent: var(--earth);
  --accent-soft: rgba(185, 139, 91, 0.16);
}

.element-card::before {
  position: absolute;
  z-index: 0;
  inset: 0;
  background: radial-gradient(circle at 50% 0%, var(--accent-soft), transparent 62%);
  content: "";
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.45s ease;
}

.element-card:hover {
  border-color: color-mix(in srgb, var(--accent) 44%, transparent);
  box-shadow:
    0 24px 60px rgba(0, 0, 0, 0.42),
    0 0 0 1px var(--accent-soft);
  transform: translateY(-6px);
}

.element-card:hover::before {
  opacity: 1;
}

.element-card-media {
  position: relative;
  display: block;
  aspect-ratio: 3 / 4;
  overflow: hidden;
  background: #0b0e11;
}

.element-card-media::after {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(4, 6, 8, 0.5), transparent 35%);
  content: "";
  pointer-events: none;
}

.element-card-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 1.1s cubic-bezier(0.22, 1, 0.36, 1);
}

.element-card:hover .element-card-media img {
  transform: scale(1.045);
}

.element-index {
  position: absolute;
  z-index: 2;
  top: 13px;
  left: 13px;
  display: grid;
  width: 29px;
  height: 29px;
  place-items: center;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 50%;
  background: rgba(7, 9, 12, 0.46);
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
  color: rgba(255, 255, 255, 0.72);
  font-size: 8px;
  letter-spacing: 0.08em;
}

.element-card-body {
  position: relative;
  z-index: 1;
  display: block;
  padding: 18px 18px 20px;
  border-top: 1px solid var(--line);
}

.element-name {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 10px;
  color: var(--ink);
  font-family: var(--serif);
  font-size: 2rem;
  font-weight: 500;
  letter-spacing: -0.03em;
  line-height: 1.1;
}

.element-name small {
  color: var(--muted);
  font-family: var(--sans);
  font-size: 7.5px;
  font-weight: 500;
  letter-spacing: 0.23em;
}

.element-line {
  display: block;
  margin-top: 7px;
  color: var(--accent);
  font-size: 11px;
  letter-spacing: 0.06em;
}

.element-desc {
  display: block;
  margin-top: 11px;
  color: var(--muted);
  font-size: 11.5px;
  line-height: 1.72;
}

.rail-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  margin-top: 14px;
}

.rail-hint {
  color: var(--muted);
  font-size: 9px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.rail-actions {
  display: flex;
  gap: 8px;
}

.rail-btn {
  display: grid;
  width: 42px;
  height: 42px;
  padding: 0;
  place-items: center;
  border: 1px solid var(--line-strong);
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.03);
  cursor: pointer;
  transition:
    background-color 0.25s ease,
    border-color 0.25s ease,
    opacity 0.25s ease;
}

.rail-btn svg {
  width: 17px;
  height: 17px;
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 1.5;
}

.rail-btn:hover:not(:disabled) {
  border-color: rgba(255, 255, 255, 0.34);
  background: rgba(255, 255, 255, 0.075);
}

.rail-btn:disabled {
  cursor: not-allowed;
  opacity: 0.28;
}

/* ---------- method ---------- */

.method-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
  margin-top: clamp(38px, 5vw, 64px);
}

.method-card {
  --accent: var(--gold);
  position: relative;
  display: flex;
  min-height: 338px;
  flex-direction: column;
  justify-content: flex-end;
  overflow: hidden;
  padding: 30px;
  border-radius: 24px;
}

.method-card:nth-child(2) {
  --accent: var(--wood);
}

.method-card:nth-child(3) {
  --accent: var(--water);
}

.method-card::before {
  position: absolute;
  top: 0;
  right: 26px;
  left: 26px;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--accent), transparent);
  content: "";
  opacity: 0.55;
}

.method-card::after {
  position: absolute;
  top: -42%;
  right: -24%;
  width: 82%;
  aspect-ratio: 1;
  border-radius: 50%;
  background: radial-gradient(circle, var(--accent), transparent 68%);
  content: "";
  opacity: 0.075;
  pointer-events: none;
  transition: opacity 0.45s ease;
}

.method-card:hover::after {
  opacity: 0.14;
}

.method-card:hover {
  border-color: rgba(255, 255, 255, 0.2);
}

.method-no {
  position: absolute;
  top: 27px;
  right: 30px;
  color: var(--muted);
  font-size: 9px;
  letter-spacing: 0.2em;
}

.method-card h3 {
  margin-bottom: 14px;
  font-family: var(--serif);
  font-size: clamp(2rem, 2.7vw, 2.65rem);
  font-weight: 500;
  letter-spacing: -0.03em;
}

.method-card p {
  max-width: 300px;
  color: var(--muted);
  font-size: 12.5px;
  line-height: 1.9;
}

.method-tag {
  margin-top: 28px;
  padding-top: 15px;
  border-top: 1px solid var(--line);
  color: var(--accent);
  font-size: 8px;
  letter-spacing: 0.23em;
}

/* ---------- about ---------- */

.about-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.16fr) minmax(340px, 0.84fr);
  align-items: stretch;
  gap: clamp(38px, 7vw, 100px);
}

.about-copy h2 {
  max-width: 760px;
  margin: 28px 0 32px;
  font-family: var(--serif);
  font-size: clamp(2.1rem, 3.65vw, 3.75rem);
  font-weight: 500;
  letter-spacing: -0.04em;
  line-height: 1.35;
}

.about-copy > p {
  max-width: 640px;
  margin-bottom: 16px;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.95;
}

.chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 30px;
}

.chips li {
  padding: 8px 13px;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--ink-dim);
  font-size: 10px;
  letter-spacing: 0.08em;
}

.about-card {
  position: relative;
  display: flex;
  min-height: 430px;
  flex-direction: column;
  overflow: hidden;
  padding: 32px;
  border-radius: 28px;
}

.about-card::before {
  position: absolute;
  top: -30%;
  left: -20%;
  width: 80%;
  aspect-ratio: 1;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(232, 185, 94, 0.1), transparent 68%);
  content: "";
  pointer-events: none;
}

.about-big {
  position: relative;
  margin: 4px 0 0 -14px;
  background: linear-gradient(160deg, rgba(244, 210, 142, 0.94), rgba(76, 196, 123, 0.62) 40%, rgba(100, 168, 230, 0.36) 70%, rgba(231, 106, 74, 0.3));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  font-family: var(--serif);
  font-size: clamp(10rem, 17vw, 17rem);
  font-weight: 500;
  letter-spacing: -0.08em;
  line-height: 0.78;
  opacity: 0.94;
}

.about-facts {
  position: relative;
  display: flex;
  flex-direction: column;
  margin-top: auto;
}

.about-facts > div {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 18px;
  padding: 12px 0;
  border-top: 1px solid var(--line);
}

.about-facts dt {
  color: var(--muted);
  font-size: 8.5px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.about-facts dd {
  color: var(--ink-dim);
  font-size: 11px;
  text-align: right;
}

.about-note {
  position: relative;
  margin-top: 25px;
  color: var(--muted);
  font-family: var(--serif);
  font-size: 12.5px;
  line-height: 1.8;
}

/* ---------- contact ---------- */

.contact {
  position: relative;
  z-index: 2;
  overflow: hidden;
  padding: clamp(100px, 14vw, 180px) var(--gutter);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.contact::before {
  position: absolute;
  z-index: -2;
  inset: -12%;
  background: url("./assets/five-elements-study.jpg") center / cover no-repeat;
  content: "";
  filter: blur(14px) saturate(0.82);
  opacity: 0.16;
  transform: scale(1.04);
}

.contact::after {
  position: absolute;
  z-index: -1;
  inset: 0;
  background:
    radial-gradient(circle at 78% 8%, rgba(232, 185, 94, 0.13), transparent 38%),
    radial-gradient(circle at 8% 90%, rgba(100, 168, 230, 0.1), transparent 42%),
    linear-gradient(to bottom, rgba(6, 7, 8, 0.8), rgba(6, 7, 8, 0.94));
  content: "";
}

.contact-inner {
  width: 100%;
  max-width: var(--max);
  margin: 0 auto;
}

.contact h2 {
  max-width: 1100px;
  margin: 26px 0 24px;
  font-family: var(--serif);
  font-size: clamp(3.25rem, 7.3vw, 7.3rem);
  font-weight: 500;
  letter-spacing: -0.05em;
  line-height: 1.03;
}

.contact h2 em {
  background: linear-gradient(100deg, #f3d28e, #8fdb9e 38%, #7cc5ef 66%, #f0a083);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  font-style: normal;
}

.contact-lede {
  max-width: 520px;
  color: var(--muted);
  font-size: 14.5px;
  line-height: 1.9;
}

.contact-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 18px;
  margin-top: 44px;
}

.email-link {
  display: inline-flex;
  align-items: center;
  gap: 15px;
  padding-bottom: 8px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.3);
  font-family: var(--serif);
  font-size: clamp(1.22rem, 2.5vw, 2.15rem);
  letter-spacing: -0.02em;
  line-height: 1.2;
  transition:
    border-color 0.25s ease,
    color 0.25s ease;
}

.email-link:hover {
  border-color: var(--gold);
  color: #fff;
}

.email-arrow {
  color: var(--gold);
  font-family: var(--sans);
  font-size: 0.7em;
}

.copy-btn {
  padding: 11px 16px;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.04);
  color: var(--muted);
  font-size: 10px;
  letter-spacing: 0.1em;
  cursor: pointer;
  transition:
    background-color 0.25s ease,
    border-color 0.25s ease,
    color 0.25s ease;
}

.copy-btn:hover {
  border-color: rgba(255, 255, 255, 0.34);
  background: rgba(255, 255, 255, 0.08);
  color: var(--ink);
}

.contact-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 32px;
  margin-top: clamp(58px, 8vw, 96px);
  padding-top: 18px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 8.5px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.contact-meta span {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.contact-meta span:first-child {
  color: var(--ink-dim);
}

.contact-meta i {
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 0 4px rgba(107, 209, 142, 0.1);
}

/* ---------- footer ---------- */

.site-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  width: 100%;
  max-width: var(--max);
  margin: 0 auto;
  padding: 28px var(--gutter) 36px;
  color: var(--muted);
  font-size: 9px;
  letter-spacing: 0.13em;
  text-transform: uppercase;
}

.footer-brand {
  color: var(--ink);
  font-family: var(--serif);
  font-size: 14px;
  letter-spacing: 0.08em;
  text-transform: none;
}

.footer-brand span {
  margin-left: 6px;
  color: var(--muted);
  font-family: var(--sans);
  font-size: 7px;
  letter-spacing: 0.23em;
}

.back-top {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  transition: color 0.25s ease;
}

.back-top:hover {
  color: var(--ink);
}

.back-top span {
  color: var(--gold);
  font-size: 12px;
}

/* ---------- lightbox ---------- */

.lightbox {
  width: min(1120px, 92vw);
  max-height: 90vh;
  padding: 0;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 24px;
  background: rgba(8, 10, 13, 0.92);
  box-shadow: 0 50px 140px rgba(0, 0, 0, 0.7);
  color: var(--ink);
  -webkit-backdrop-filter: blur(30px) saturate(120%);
  backdrop-filter: blur(30px) saturate(120%);
}

.lightbox::backdrop {
  background: rgba(3, 4, 5, 0.82);
  -webkit-backdrop-filter: blur(14px);
  backdrop-filter: blur(14px);
}

.lightbox[open] {
  animation: lightboxIn 0.3s cubic-bezier(0.22, 1, 0.36, 1);
}

@keyframes lightboxIn {
  from {
    opacity: 0;
    transform: scale(0.975) translateY(8px);
  }
  to {
    opacity: 1;
    transform: scale(1) translateY(0);
  }
}

.lightbox-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 14px 18px;
  border-bottom: 1px solid var(--line);
}

.lightbox-label {
  color: var(--muted);
  font-size: 9px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
}

.lightbox-close {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 7px 12px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.04);
  color: var(--ink-dim);
  font-size: 10px;
  letter-spacing: 0.08em;
  cursor: pointer;
  transition:
    background-color 0.25s ease,
    border-color 0.25s ease;
}

.lightbox-close:hover {
  border-color: var(--line-strong);
  background: rgba(255, 255, 255, 0.09);
}

.lightbox-close span {
  font-size: 15px;
  line-height: 1;
}

.lightbox-stage {
  display: grid;
  max-height: 72vh;
  place-items: center;
  overflow: hidden;
  background: #050607;
}

.lightbox-stage img {
  width: auto;
  max-width: 100%;
  height: auto;
  max-height: 72vh;
  object-fit: contain;
}

.lightbox-caption {
  padding: 13px 18px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 10px;
  letter-spacing: 0.08em;
}

/* ---------- toast ---------- */

.toast {
  position: fixed;
  z-index: 120;
  bottom: 28px;
  left: 50%;
  padding: 11px 18px;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 999px;
  background: rgba(8, 10, 13, 0.9);
  box-shadow: 0 18px 50px rgba(0, 0, 0, 0.45);
  color: var(--ink);
  font-size: 11px;
  letter-spacing: 0.06em;
  opacity: 0;
  pointer-events: none;
  transform: translate(-50%, 16px);
  transition:
    opacity 0.3s ease,
    transform 0.3s ease;
  -webkit-backdrop-filter: blur(16px);
  backdrop-filter: blur(16px);
}

.toast.is-visible {
  opacity: 1;
  transform: translate(-50%, 0);
}

/* ---------- reveal ---------- */

html.js .reveal {
  opacity: 0;
  transform: translateY(26px);
  transition:
    opacity 0.85s cubic-bezier(0.22, 1, 0.36, 1),
    transform 0.85s cubic-bezier(0.22, 1, 0.36, 1);
}

html.js .reveal[data-delay="1"] {
  transition-delay: 0.08s;
}

html.js .reveal[data-delay="2"] {
  transition-delay: 0.16s;
}

html.js .reveal[data-delay="3"] {
  transition-delay: 0.24s;
}

html.js .reveal[data-delay="4"] {
  transition-delay: 0.32s;
}

html.js .reveal.is-in {
  opacity: 1;
  transform: translateY(0);
}

html.js .method-card.reveal.is-in:hover {
  transform: translateY(-6px);
}

/* ---------- responsive ---------- */

@media (max-width: 1180px) {
  .hero {
    grid-template-columns: minmax(0, 1fr) minmax(330px, 0.68fr);
    gap: 50px;
  }

  .hero-title {
    font-size: clamp(2.9rem, 5.7vw, 5rem);
  }

  .hero-chip,
  .hero-side-label {
    display: none;
  }

  .about-grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(320px, 0.83fr);
    gap: 50px;
  }
}

@media (max-width: 980px) {
  .nav {
    gap: 20px;
  }

  .hero {
    grid-template-columns: 1fr;
    gap: 62px;
    min-height: auto;
    padding-top: clamp(140px, 19vh, 180px);
  }

  .hero-copy {
    max-width: 760px;
  }

  .hero-visual {
    justify-self: start;
    width: min(100%, 440px);
    margin-left: 2px;
  }

  .scroll-cue {
    display: none;
  }

  .section-heading-row {
    grid-template-columns: minmax(0, 1.12fr) minmax(220px, 0.88fr);
    gap: 32px;
  }

  .about-grid {
    grid-template-columns: 1fr;
  }

  .about-card {
    min-height: 380px;
  }

  .about-big {
    font-size: clamp(11rem, 28vw, 16rem);
  }
}

@media (max-width: 860px) {
  .nav,
  .header-cta {
    display: none;
  }

  .menu-toggle {
    display: block;
  }

  .section-heading-row {
    grid-template-columns: 1fr;
    gap: 17px;
  }

  .section-heading-row > p {
    max-width: 580px;
    justify-self: start;
  }

  .project-info {
    grid-template-columns: 1fr;
    gap: 30px;
  }

  .project-meta {
    max-width: 520px;
  }

  .project-notes {
    grid-template-columns: 1fr;
    gap: 24px;
    align-items: start;
  }

  .project-tags {
    justify-content: flex-start;
  }

  .study-grid {
    grid-template-columns: 1fr;
  }

  .study {
    min-height: 220px;
  }

  .method-grid {
    grid-template-columns: 1fr;
  }

  .method-card {
    min-height: 280px;
  }

  .contact h2 {
    font-size: clamp(3.1rem, 10vw, 5.6rem);
  }
}

@media (max-width: 620px) {
  :root {
    --gutter: 20px;
  }

  html {
    scroll-padding-top: 94px;
  }

  .site-header {
    top: 12px;
    width: calc(100% - 24px);
    padding: 8px 9px 8px 12px;
    border-radius: 16px;
  }

  .brand-mark {
    width: 33px;
    height: 33px;
    font-size: 16px;
  }

  .brand-text small {
    display: none;
  }

  .menu-toggle {
    width: 38px;
    height: 38px;
  }

  .menu-toggle span {
    left: 9px;
    width: 18px;
  }

  .menu-toggle span:first-child {
    top: 15px;
  }

  .menu-toggle span:last-child {
    top: 22px;
  }

  .menu-toggle[aria-expanded="true"] span:first-child,
  .menu-toggle[aria-expanded="true"] span:last-child {
    top: 19px;
  }

  .hero {
    gap: 48px;
    padding-top: 118px;
    padding-bottom: 72px;
  }

  .eyebrow {
    font-size: 8px;
    letter-spacing: 0.17em;
  }

  .hero-title {
    margin: 21px 0 22px;
    font-size: clamp(2.15rem, 9.2vw, 3.3rem);
    letter-spacing: -0.05em;
  }

  .hero-lede {
    font-size: 13.5px;
    line-height: 1.9;
  }

  .hero-actions {
    flex-direction: column;
    align-items: stretch;
    margin-top: 28px;
  }

  .btn {
    width: 100%;
    min-height: 47px;
  }

  .hero-meta {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px;
    margin-top: 42px;
  }

  .hero-meta > div:last-child {
    grid-column: 1 / -1;
  }

  .hero-visual {
    width: min(100%, 390px);
  }

  .hero-frame {
    border-radius: 24px;
    transform: rotate(1deg);
  }

  .hero-tag {
    top: 14px;
    left: 14px;
    padding: 7px 10px;
    font-size: 7.5px;
  }

  .hero-caption {
    right: 15px;
    bottom: 15px;
    left: 15px;
    font-size: 8px;
  }

  .caption-palette {
    bottom: 38px;
    left: 16px;
  }

  .ticker-group {
    gap: 23px;
    padding: 14px 14px;
  }

  .section {
    padding-top: 86px;
    padding-bottom: 86px;
  }

  .section h2 {
    font-size: clamp(2.15rem, 10vw, 3rem);
  }

  .project {
    border-radius: 22px;
  }

  .project-media {
    aspect-ratio: 4 / 3;
  }

  .project-media img {
    object-position: 50% 50%;
  }

  .project-view {
    right: 14px;
    bottom: 14px;
    padding: 8px 11px;
  }

  .project-info {
    padding: 24px 20px 26px;
  }

  .project-meta > div {
    grid-template-columns: 56px 1fr;
  }

  .project-notes {
    padding-right: 0;
    padding-left: 0;
  }

  .study {
    min-height: 200px;
    border-radius: 18px;
  }

  .study figcaption {
    padding: 16px;
    font-size: 9px;
  }

  .element-rail {
    grid-auto-columns: 76vw;
    gap: 12px;
  }

  .element-card {
    border-radius: 20px;
  }

  .element-card-media {
    aspect-ratio: 4 / 5;
  }

  .rail-hint {
    max-width: 170px;
    line-height: 1.5;
  }

  .method-card {
    min-height: 260px;
    padding: 24px;
    border-radius: 20px;
  }

  .method-no {
    top: 24px;
    right: 24px;
  }

  .about-copy h2 {
    font-size: clamp(1.9rem, 8vw, 2.6rem);
  }

  .about-card {
    min-height: 340px;
    padding: 24px;
    border-radius: 22px;
  }

  .about-big {
    font-size: clamp(9rem, 36vw, 13rem);
  }

  .contact {
    padding-top: 90px;
    padding-bottom: 90px;
  }

  .contact h2 {
    font-size: clamp(2.7rem, 13vw, 4.1rem);
  }

  .contact-actions {
    align-items: flex-start;
    flex-direction: column;
    gap: 16px;
    margin-top: 32px;
  }

  .email-link {
    max-width: 100%;
    font-size: clamp(1.05rem, 5.6vw, 1.45rem);
    overflow-wrap: anywhere;
  }

  .contact-meta {
    gap: 10px 20px;
    margin-top: 58px;
    line-height: 1.7;
  }

  .site-footer {
    flex-direction: column;
    align-items: flex-start;
    gap: 13px;
    padding-top: 24px;
    padding-bottom: 30px;
  }

  .lightbox {
    width: 94vw;
    border-radius: 18px;
  }

  .lightbox-stage,
  .lightbox-stage img {
    max-height: 68vh;
  }

  .lightbox-bar {
    padding: 11px 13px;
  }

  .lightbox-caption {
    padding: 11px 13px;
  }
}

@media (max-width: 380px) {
  .hero-title {
    font-size: 2.05rem;
  }

  .element-rail {
    grid-auto-columns: 82vw;
  }
}

/* ---------- fallbacks and preferences ---------- */

@supports not ((backdrop-filter: blur(1px)) or (-webkit-backdrop-filter: blur(1px))) {
  .site-header,
  .mobile-menu,
  .glass,
  .hero-tag,
  .project-view,
  .lightbox,
  .toast {
    background-color: rgba(10, 12, 16, 0.94);
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
  }

  html.js .reveal {
    opacity: 1;
    transform: none;
  }

  .ticker-track {
    animation: none;
  }

  .hero-frame {
    transform: none;
  }
}

@media (hover: none) {
  .project-media:hover img,
  .element-card:hover .element-card-media img,
  .study:hover img,
  .hero-visual:hover .hero-frame img {
    transform: none;
  }

  .element-card:hover {
    transform: none;
  }
}