/* ==========================================================================
   个人品牌站 · 设计系统
   风格：黑白单色 / 高反差 / 编辑排版 / 细线分隔 / 字距
   ========================================================================== */

/* ---------- 1. Tokens ---------- */
:root {
  /* 默认：黑底白字 */
  --paper: #0b0b0b;
  --paper-2: #121212;
  --paper-3: #1a1a1a;
  --ink: #f4f4f4;
  --ink-2: #cfcfcf;
  --ink-3: #8c8c8c;
  --ink-4: #5c5c5c;
  --accent: #ffffff;
  --accent-2: #e8e8e8;
  --olive: #9a9a9a;
  --clay: #6e6e6e;
  --line: rgba(255, 255, 255, 0.2);
  --line-2: rgba(255, 255, 255, 0.1);
  --card: rgba(255, 255, 255, 0.04);
  --shadow: 0 1px 0 rgba(0, 0, 0, 0.5), 0 24px 60px -40px #000;
  --shadow-lg: 0 50px 120px -70px #000;

  --sans: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB", system-ui, -apple-system, sans-serif;
  --serif: "Noto Serif SC", "Songti SC", "SimSun", Georgia, "Times New Roman", serif;
  --mono: "SFMono-Regular", "JetBrains Mono", Consolas, "Liberation Mono", monospace;

  --shell: 1440px;
  --gutter: clamp(18px, 4.4vw, 64px);
  --sec-y: clamp(64px, 9vw, 132px);
  --radius: 0px;
  --t-fast: 180ms cubic-bezier(0.2, 0.7, 0.2, 1);
  --t: 420ms cubic-bezier(0.2, 0.7, 0.2, 1);
}

/* 反色模式：白底黑字，同属黑白体系 */
[data-theme="light"] {
  --paper: #ffffff;
  --paper-2: #f4f4f4;
  --paper-3: #e8e8e8;
  --ink: #0b0b0b;
  --ink-2: #333333;
  --ink-3: #6e6e6e;
  --ink-4: #9c9c9c;
  --accent: #0b0b0b;
  --accent-2: #000000;
  --olive: #555555;
  --clay: #c9c9c9;
  --line: rgba(0, 0, 0, 0.2);
  --line-2: rgba(0, 0, 0, 0.1);
  --card: rgba(0, 0, 0, 0.03);
  --shadow: 0 1px 0 rgba(0, 0, 0, 0.04), 0 20px 50px -36px rgba(0, 0, 0, 0.3);
  --shadow-lg: 0 40px 100px -70px rgba(0, 0, 0, 0.35);
}

/* ---------- 2. Reset ---------- */
*,
*::before,
*::after { box-sizing: border-box; }

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.75;
  font-weight: 400;
  letter-spacing: 0.01em;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
  transition: background-color 0.5s ease, color 0.5s ease;
}

body.no-scroll { overflow: hidden; }

img, svg, video { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button, input, textarea, select { font: inherit; color: inherit; }
button { background: none; border: 0; cursor: pointer; }
::selection { background: var(--ink); color: var(--paper); }

h1, h2, h3, h4, h5 { margin: 0; font-weight: 700; line-height: 1.15; letter-spacing: -0.02em; }
p { margin: 0; }
ul, ol { margin: 0; padding: 0; list-style: none; }
figure { margin: 0; }

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

/* 纸纹 */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: 9999;
  pointer-events: none;
  opacity: 0.055;
  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'/%3E%3C/filter%3E%3Crect width='160' height='160' filter='url(%23n)'/%3E%3C/svg%3E");
}
[data-theme="light"] body::before { opacity: 0.04; mix-blend-mode: multiply; }

/* ---------- 3. Layout ---------- */
.shell {
  width: 100%;
  max-width: var(--shell);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.section { padding-block: var(--sec-y); position: relative; }
.section--tight { padding-block: clamp(40px, 6vw, 80px); }
.section + .section { border-top: 1px solid var(--line-2); }

.row { display: flex; align-items: center; gap: 16px; }
.row--between { justify-content: space-between; }
.stack { display: grid; gap: 18px; }
.sr-only {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}

/* ---------- 4. Typography ---------- */
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--ink-3);
}
.eyebrow::before {
  content: "";
  width: 26px;
  height: 1px;
  background: currentColor;
  opacity: 0.6;
}
.eyebrow--plain::before { display: none; }
.eyebrow b { color: var(--accent); font-weight: 600; }

.display {
  font-family: var(--sans);
  font-weight: 700;
  font-size: clamp(38px, 6.4vw, 92px);
  line-height: 1.02;
  letter-spacing: -0.035em;
}
.display em {
  font-family: var(--serif);
  font-style: italic;
  font-weight: 400;
  letter-spacing: -0.01em;
}
.display--sm { font-size: clamp(30px, 4.2vw, 58px); line-height: 1.08; }

.h2 {
  font-size: clamp(26px, 3.4vw, 46px);
  line-height: 1.1;
  letter-spacing: -0.03em;
}
.h3 {
  font-size: clamp(19px, 2vw, 25px);
  line-height: 1.25;
  letter-spacing: -0.02em;
}
.h4 { font-size: 17px; line-height: 1.35; }

.lead {
  font-size: clamp(15px, 1.35vw, 18px);
  line-height: 1.85;
  color: var(--ink-2);
  max-width: 62ch;
}
.muted { color: var(--ink-3); }
.tiny { font-size: 12.5px; line-height: 1.6; color: var(--ink-3); }
.mono {
  font-family: var(--mono);
  font-size: 11.5px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-3);
}
.accent { color: var(--accent); }
.serif { font-family: var(--serif); }

.rule { height: 1px; background: var(--line); border: 0; margin: 0; }

/* ---------- 5. Buttons ---------- */
.btn {
  --bg: var(--ink);
  --fg: var(--paper);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 13px 22px;
  border-radius: 999px;
  background: var(--bg);
  color: var(--fg);
  font-size: 13.5px;
  font-weight: 600;
  letter-spacing: 0.02em;
  border: 1px solid transparent;
  transition: transform var(--t-fast), background var(--t-fast), color var(--t-fast), border-color var(--t-fast);
  white-space: nowrap;
}
.btn:hover { transform: translateY(-1px); }
.btn:active { transform: translateY(0); }
.btn--accent { --bg: var(--ink); --fg: var(--paper); }
.btn--accent:hover { --bg: var(--accent-2); --fg: var(--paper); }
.btn--ghost {
  --bg: transparent;
  --fg: var(--ink);
  border-color: var(--line);
}
.btn--ghost:hover { border-color: var(--ink); }
.btn--sm { padding: 9px 16px; font-size: 12.5px; }
.btn--block { width: 100%; }
.btn[disabled] { opacity: 0.5; pointer-events: none; }
.btn .arrow { transition: transform var(--t-fast); }
.btn:hover .arrow { transform: translateX(3px); }

.link-underline {
  position: relative;
  font-weight: 600;
  padding-bottom: 3px;
}
.link-underline::after {
  content: "";
  position: absolute;
  left: 0; bottom: 0;
  width: 100%; height: 1px;
  background: currentColor;
  transform: scaleX(1);
  transform-origin: right;
  transition: transform var(--t);
}
.link-underline:hover::after { transform: scaleX(0); transform-origin: left; }

/* ---------- 6. Topbar ---------- */
.topbar {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 100;
  height: 72px;
  display: flex;
  align-items: center;
  border-bottom: 1px solid transparent;
  transition: background var(--t), border-color var(--t), backdrop-filter var(--t), height var(--t);
}
.topbar.is-stuck {
  height: 62px;
  background: color-mix(in srgb, var(--paper) 86%, transparent);
  backdrop-filter: blur(14px) saturate(1.2);
  border-bottom-color: var(--line);
}
.topbar-inner {
  width: 100%;
  max-width: var(--shell);
  margin-inline: auto;
  padding-inline: var(--gutter);
  display: flex;
  align-items: center;
  gap: 28px;
}

.brandmark { display: inline-flex; align-items: center; gap: 12px; }
.brandmark .mark {
  width: 34px; height: 34px;
  display: grid; place-items: center;
  background: var(--ink);
  color: var(--paper);
  font-family: var(--mono);
  font-size: 15px;
  font-weight: 600;
  letter-spacing: 0.02em;
  transition: background var(--t-fast), transform var(--t-fast);
}
.brandmark:hover .mark { background: var(--accent); transform: rotate(-3deg); }
.brandmark .who { display: grid; line-height: 1.15; }
.brandmark .who b { font-size: 14.5px; font-weight: 700; letter-spacing: 0.02em; }
.brandmark .who span {
  font-family: var(--mono);
  font-size: 9.5px;
  letter-spacing: 0.2em;
  color: var(--ink-4);
  text-transform: uppercase;
}

.mainnav { display: flex; align-items: center; gap: 4px; margin-left: auto; }
.mainnav a {
  position: relative;
  padding: 8px 13px;
  font-size: 12.5px;
  font-weight: 500;
  letter-spacing: 0.08em;
  color: var(--ink-2);
  border-radius: 999px;
  transition: color var(--t-fast), background var(--t-fast);
}
.mainnav a:hover { color: var(--ink); background: var(--line-2); }
.mainnav a.is-active { color: var(--ink); font-weight: 700; }
.mainnav a.is-active::after {
  content: "";
  position: absolute;
  left: 13px; right: 13px; bottom: 3px;
  height: 1.5px;
  background: var(--accent);
}
.topbar-actions { display: flex; align-items: center; gap: 10px; }

.icon-btn {
  width: 36px; height: 36px;
  display: grid; place-items: center;
  border: 1px solid var(--line);
  border-radius: 50%;
  color: var(--ink-2);
  transition: border-color var(--t-fast), color var(--t-fast), transform var(--t-fast);
}
.icon-btn:hover { border-color: var(--ink); color: var(--ink); transform: rotate(12deg); }
.icon-btn svg { width: 16px; height: 16px; }

.burger { display: none; }

/* mobile drawer */
.drawer {
  position: fixed;
  inset: 0;
  z-index: 200;
  background: var(--paper);
  padding: 24px var(--gutter) 40px;
  display: grid;
  grid-template-rows: auto 1fr auto;
  transform: translateY(-100%);
  transition: transform 0.55s cubic-bezier(0.65, 0, 0.35, 1);
  overflow-y: auto;
}
.drawer.is-open { transform: translateY(0); }
.drawer-head { display: flex; justify-content: space-between; align-items: center; }
.drawer nav { display: grid; align-content: center; gap: 4px; }
.drawer nav a {
  font-size: clamp(28px, 9vw, 44px);
  font-weight: 700;
  letter-spacing: -0.03em;
  padding: 10px 0;
  border-bottom: 1px solid var(--line-2);
  display: flex;
  align-items: baseline;
  gap: 14px;
}
.drawer nav a i {
  font-family: var(--mono);
  font-style: normal;
  font-size: 11px;
  color: var(--accent);
  letter-spacing: 0.1em;
}
.drawer-foot { display: grid; gap: 8px; }

/* progress */
.progress {
  position: fixed;
  top: 0; left: 0;
  height: 2px;
  width: 0%;
  background: var(--accent);
  z-index: 300;
  transition: width 80ms linear;
}

/* ---------- 7. Home hero ---------- */
.hero {
  position: relative;
  padding-top: clamp(110px, 15vh, 170px);
  padding-bottom: clamp(26px, 4vw, 54px);
  overflow: hidden;
}
.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 0.42fr);
  gap: clamp(24px, 5vw, 80px);
  align-items: start;
}
.hero-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}
.hero-avail {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  font-size: 11.5px;
  color: var(--ink-3);
  letter-spacing: 0.02em;
}
.hero-avail i {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #ffffff;
  box-shadow: 0 0 0 3px rgba(255, 255, 255, 0.16);
}
[data-theme="light"] .hero-avail i { background: #0b0b0b; box-shadow: 0 0 0 3px rgba(0, 0, 0, 0.12); }

.hero-title {
  font-size: clamp(40px, 8.4vw, 112px);
  line-height: 0.98;
  letter-spacing: -0.045em;
  font-weight: 700;
  margin-block: clamp(18px, 3vw, 34px) clamp(18px, 3vw, 32px);
  max-width: 15ch;
}
.hero-title em {
  font-family: var(--serif);
  font-weight: 400;
  font-style: italic;
  letter-spacing: -0.02em;
  color: var(--accent);
}
.hero-title .outline {
  color: transparent;
  -webkit-text-stroke: 1.2px var(--ink);
}

.hero-intro { max-width: 46ch; }

.hero-rule {
  margin-top: clamp(18px, 3vw, 30px);
  margin-bottom: clamp(22px, 3.4vw, 40px);
}

.cta-band {
  display: grid;
  gap: 18px;
  justify-items: start;
  padding: clamp(26px, 5vw, 56px);
  border: 1px solid var(--line);
  background: linear-gradient(155deg, var(--paper-2), transparent 72%);
}
.cta-band .display--sm { max-width: 18ch; }
.hero-sub {
  margin-top: clamp(18px, 3vw, 34px);
  display: grid;
  gap: 16px;
  max-width: 46ch;
}
.hero-side {
  display: grid;
  gap: 22px;
  padding-bottom: 6px;
}
.hero-side .card-mini {
  border-top: 1px solid var(--line);
  padding-top: 12px;
  display: grid;
  gap: 6px;
}
.hero-side .card-mini .k {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--ink-4);
}
.hero-side .card-mini .v { font-size: 14.5px; font-weight: 500; }
.hero-side .card-mini .v.clamp3 {
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
  line-height: 1.65;
}

.hero-scroll {
  margin-top: clamp(34px, 6vw, 70px);
  display: flex;
  align-items: center;
  gap: 14px;
  font-family: var(--mono);
  font-size: 10.5px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--ink-4);
}
.hero-scroll .bar {
  width: 54px; height: 1px;
  background: var(--ink-4);
  position: relative;
  overflow: hidden;
}
.hero-scroll .bar::after {
  content: "";
  position: absolute; inset: 0;
  background: var(--accent);
  animation: scan 2.6s ease-in-out infinite;
}
@keyframes scan {
  0% { transform: translateX(-100%); }
  60%, 100% { transform: translateX(100%); }
}

/* marquee */
.marquee {
  border-block: 1px solid var(--line);
  overflow: hidden;
  padding-block: 14px;
  margin-top: clamp(36px, 6vw, 64px);
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent);
  mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent);
}
.marquee-track {
  display: flex;
  gap: 46px;
  width: max-content;
  animation: marquee 34s linear infinite;
}
.marquee:hover .marquee-track { animation-play-state: paused; }
.marquee-item {
  display: inline-flex;
  align-items: center;
  gap: 46px;
  font-size: clamp(15px, 1.8vw, 22px);
  font-weight: 500;
  letter-spacing: 0.08em;
  color: var(--ink-2);
  white-space: nowrap;
}
.marquee-item:nth-child(even) {
  color: transparent;
  -webkit-text-stroke: 1px var(--ink-4);
}
.marquee-item::after {
  content: "✳";
  color: var(--ink-4);
  -webkit-text-stroke: 0;
  font-size: 0.72em;
}
@keyframes marquee {
  to { transform: translateX(-50%); }
}

/* stats */
.stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--line-2);
  border-block: 1px solid var(--line);
}
.stat {
  background: var(--paper);
  padding: 26px 22px;
  display: grid;
  gap: 4px;
}
.stat .num {
  font-family: var(--mono);
  font-size: clamp(30px, 3.6vw, 46px);
  font-weight: 600;
  letter-spacing: -0.03em;
  line-height: 1;
  font-variant-numeric: tabular-nums;
}
.stat .num sup {
  font-size: 0.4em;
  color: var(--accent);
  vertical-align: baseline;
  margin-left: 3px;
  font-weight: 500;
  letter-spacing: 0;
}
.stat .lbl { font-size: 12.5px; color: var(--ink-3); }

/* ---------- 8. Section head ---------- */
.sec-head {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: end;
  gap: 24px;
  margin-bottom: clamp(26px, 4vw, 52px);
}
.sec-head .t { display: grid; gap: 14px; }
.sec-head__link {
  font-size: 13px;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--ink-2);
  border-bottom: 1px solid var(--line);
  padding-bottom: 4px;
  transition: border-color var(--t-fast), color var(--t-fast);
}
.sec-head__link:hover { border-color: var(--accent); color: var(--accent); }

/* ---------- 9. Work cards ---------- */
.works-grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: clamp(14px, 2vw, 26px);
}
.work-card {
  grid-column: span 6;
  display: grid;
  gap: 14px;
  group: work;
}
.work-card:nth-child(1) { grid-column: span 7; }
.work-card:nth-child(2) { grid-column: span 5; }
.work-card:nth-child(3) { grid-column: span 5; }
.work-card:nth-child(4) { grid-column: span 7; }
.work-card--wide { grid-column: span 12; }

.cover {
  position: relative;
  display: block;
  overflow: hidden;
  background: var(--paper-2);
  border: 1px solid var(--line-2);
  border-radius: var(--radius);
  aspect-ratio: 4 / 3;
  isolation: isolate;
}
.cover--tall { aspect-ratio: 3 / 4; }
.cover--wide { aspect-ratio: 16 / 9; }
.cover--square { aspect-ratio: 1 / 1; }

.cover .art {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(64% 52% at 26% 10%, rgba(255, 255, 255, 0.16), transparent 64%),
    radial-gradient(120% 90% at 88% 104%, color-mix(in srgb, var(--c1, #666) 62%, #000), transparent 72%),
    linear-gradient(155deg, #1e1e1e 0%, color-mix(in srgb, var(--c2, #999) 34%, #0d0d0d) 48%, #080808 100%);
  filter: grayscale(1) contrast(1.08);
  transition: transform 0.9s cubic-bezier(0.2, 0.7, 0.2, 1), filter 0.6s ease;
}
.cover .art::before {
  content: "";
  position: absolute;
  width: 46%;
  aspect-ratio: 1;
  border-radius: 50%;
  border: 1px solid rgba(255, 255, 255, 0.18);
  right: -6%;
  top: 8%;
}
.cover .art::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image: repeating-linear-gradient(
    115deg,
    rgba(255, 255, 255, 0.05) 0px,
    rgba(255, 255, 255, 0.05) 1px,
    transparent 1px,
    transparent 11px
  );
  mix-blend-mode: soft-light;
}
.cover img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: grayscale(1) contrast(1.05);
  transition: transform 0.9s cubic-bezier(0.2, 0.7, 0.2, 1), filter 0.6s ease;
}
.work-card:hover .cover img,
.work-card:hover .cover .art { filter: grayscale(1) contrast(1.1) brightness(1.02); }
.cover .ghost {
  position: absolute;
  right: -0.06em;
  bottom: -0.24em;
  font-family: var(--serif);
  font-size: clamp(80px, 13vw, 180px);
  line-height: 1;
  color: rgba(255, 255, 255, 0.1);
  letter-spacing: -0.06em;
  pointer-events: none;
  user-select: none;
}
.cover .badge {
  position: absolute;
  top: 14px; left: 14px;
  padding: 5px 11px;
  background: color-mix(in srgb, var(--paper) 88%, transparent);
  backdrop-filter: blur(8px);
  font-family: var(--mono);
  font-size: 9.5px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ink);
  border-radius: 999px;
}
.cover .go {
  position: absolute;
  right: 14px; bottom: 14px;
  width: 44px; height: 44px;
  border-radius: 50%;
  display: grid; place-items: center;
  background: var(--paper);
  color: var(--ink);
  opacity: 0;
  transform: translateY(8px) scale(0.9);
  transition: opacity var(--t), transform var(--t);
}
.cover:hover .go { opacity: 1; transform: translateY(0) scale(1); }
.work-card:hover .cover .art,
.work-card:hover .cover img { transform: scale(1.045); }

.work-meta { display: grid; gap: 6px; }
.work-meta .l1 {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
}
.work-meta .title {
  font-size: clamp(16px, 1.6vw, 20px);
  font-weight: 700;
  letter-spacing: -0.015em;
  line-height: 1.3;
}
.work-meta .yr {
  font-family: var(--mono);
  font-size: 10.5px;
  color: var(--ink-4);
  letter-spacing: 0.1em;
}
.work-meta .sub { font-size: 13px; color: var(--ink-3); line-height: 1.6; }
.work-meta .tags { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 4px; }

.tag {
  font-size: 10.5px;
  letter-spacing: 0.04em;
  padding: 3px 9px;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--ink-3);
  white-space: nowrap;
}
.tag--accent { border-color: color-mix(in srgb, var(--accent) 40%, transparent); color: var(--accent); }

/* ---------- 10. Filter bar ---------- */
.filters {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  padding-block: 18px;
  border-block: 1px solid var(--line-2);
  margin-bottom: clamp(24px, 4vw, 44px);
}
.chip {
  padding: 7px 15px;
  border-radius: 999px;
  border: 1px solid transparent;
  font-size: 12.5px;
  color: var(--ink-3);
  transition: all var(--t-fast);
}
.chip:hover { color: var(--ink); border-color: var(--line); }
.chip.is-active {
  background: var(--ink);
  color: var(--paper);
  border-color: var(--ink);
}
.chip .n { font-family: var(--mono); font-size: 10px; opacity: 0.6; margin-left: 5px; }
.filters .spacer { flex: 1; }
.search {
  display: flex;
  align-items: center;
  gap: 8px;
  border-bottom: 1px solid var(--line);
  padding: 6px 2px;
}
.search input {
  border: 0;
  background: none;
  outline: none;
  width: 140px;
  font-size: 12.5px;
}
.search input::placeholder { color: var(--ink-4); }

/* ---------- 11. Page head ---------- */
.page-head {
  padding-top: clamp(104px, 13vh, 150px);
  padding-bottom: clamp(26px, 4vw, 44px);
  display: grid;
  gap: 18px;
}
.page-head .display { max-width: 18ch; }
.page-head__row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 0.55fr);
  gap: clamp(20px, 4vw, 60px);
  align-items: end;
}
.page-head .aside { display: grid; gap: 10px; }

/* ---------- 12. Work detail ---------- */
.detail-hero {
  padding-top: clamp(96px, 12vh, 130px);
  display: grid;
  gap: clamp(20px, 3vw, 36px);
}
.detail-title {
  font-size: clamp(34px, 5.6vw, 76px);
  line-height: 1.02;
  letter-spacing: -0.04em;
  max-width: 20ch;
}
.meta-table {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--line-2);
  border-block: 1px solid var(--line);
}
.meta-table .cell { background: var(--paper); padding: 16px 18px; display: grid; gap: 5px; }
.meta-table .k {
  font-family: var(--mono);
  font-size: 9.5px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink-4);
}
.meta-table .v { font-size: 13.5px; font-weight: 500; }

.detail-body {
  display: grid;
  grid-template-columns: minmax(0, 0.32fr) minmax(0, 1fr);
  gap: clamp(24px, 5vw, 80px);
  align-items: start;
}
.detail-aside { position: sticky; top: 92px; display: grid; gap: 18px; }
.detail-aside .palette { display: flex; gap: 0; height: 34px; border-radius: 2px; overflow: hidden; }
.detail-aside .palette span { flex: 1; filter: grayscale(1) contrast(1.05); transition: filter 0.4s ease; }
.detail-aside .palette:hover span { filter: none; }
.prose { display: grid; gap: 1.15em; font-size: clamp(15px, 1.5vw, 17.5px); line-height: 1.95; color: var(--ink-2); }
.prose p:first-child::first-letter {
  float: left;
  font-family: var(--serif);
  font-size: 3.1em;
  line-height: 0.86;
  padding: 0.06em 0.14em 0 0;
  color: var(--accent);
}
.gallery { display: grid; gap: clamp(12px, 2vw, 20px); margin-top: clamp(30px, 5vw, 56px); }
.gallery .row-2 { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(12px, 2vw, 20px); }

.next-work {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 20px;
  padding-block: clamp(30px, 5vw, 54px);
  border-top: 1px solid var(--line);
}
.next-work .nx-title { font-size: clamp(24px, 3.4vw, 44px); font-weight: 700; letter-spacing: -0.03em; }

/* ---------- 13. Collections ---------- */
.month-block { display: grid; gap: 0; }
.month-head {
  display: grid;
  grid-template-columns: 120px 1fr auto;
  align-items: baseline;
  gap: 18px;
  padding-block: 14px;
  border-top: 1px solid var(--line);
  position: sticky;
  top: 62px;
  background: var(--paper);
  z-index: 5;
}
.month-head .m { font-family: var(--mono); font-size: 12px; letter-spacing: 0.16em; color: var(--accent); }
.month-head .d { font-size: 12px; color: var(--ink-4); }

.col-list { display: grid; }
.col-item {
  display: grid;
  grid-template-columns: 92px minmax(0, 1fr) auto;
  gap: clamp(14px, 3vw, 36px);
  padding-block: clamp(20px, 3vw, 32px);
  border-bottom: 1px solid var(--line-2);
  align-items: start;
  transition: background var(--t-fast);
}
.col-item:hover { background: var(--line-2); }
.col-item .date {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--ink-4);
  letter-spacing: 0.08em;
  padding-top: 5px;
}
.col-item .body { display: grid; gap: 10px; }
.col-item .t {
  font-size: clamp(17px, 2vw, 23px);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.3;
}
.col-item .note { font-size: 13.5px; line-height: 1.85; color: var(--ink-3); max-width: 68ch; }
.col-item .foot { display: flex; flex-wrap: wrap; align-items: center; gap: 10px; margin-top: 2px; }
.col-item .side {
  display: grid;
  justify-items: end;
  gap: 10px;
  min-width: 120px;
}
.col-swatch { display: flex; gap: 4px; }
.col-swatch i {
  width: 22px; height: 22px;
  display: block;
  border-radius: 50%;
  border: 1px solid var(--line-2);
  filter: grayscale(1);
  transition: transform var(--t-fast), filter var(--t-fast);
}
.col-item:hover .col-swatch i { transform: translateY(-2px); filter: grayscale(1) contrast(1.1); }
.type-pill {
  font-family: var(--mono);
  font-size: 9.5px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  padding: 4px 9px;
  border: 1px solid var(--line);
  color: var(--ink-3);
  white-space: nowrap;
}
.col-thumb {
  width: 100%;
  aspect-ratio: 4/3;
  min-height: 70px;
  border-radius: 0;
  background: var(--c1, #444);
  background-size: cover;
  background-position: center;
  filter: grayscale(1) contrast(1.05);
}

/* ---------- 14. AI page ---------- */
.ai-hero {
  padding-top: clamp(100px, 13vh, 140px);
  padding-bottom: clamp(20px, 3vw, 30px);
}
.ai-status {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding: 6px 13px;
  border: 1px solid var(--line);
  border-radius: 999px;
  font-size: 11.5px;
  color: var(--ink-3);
}
.ai-status .dot { width: 6px; height: 6px; border-radius: 50%; background: var(--olive); }
.ai-status.is-off .dot { background: var(--ink-4); }
.ai-status.is-on .dot { background: #ffffff; box-shadow: 0 0 0 3px rgba(255, 255, 255, 0.16); }

.tools-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--line-2);
  border: 1px solid var(--line-2);
}
.tool-card {
  background: var(--paper);
  padding: clamp(20px, 2.4vw, 30px);
  display: grid;
  gap: 12px;
  align-content: start;
  text-align: left;
  position: relative;
  transition: background var(--t-fast), transform var(--t-fast);
  min-height: 190px;
}
.tool-card:hover { background: var(--paper-2); }
.tool-card .idx {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.16em;
  color: var(--ink-4);
}
.tool-card .tt { font-size: 17px; font-weight: 700; letter-spacing: -0.015em; }
.tool-card .td { font-size: 12.5px; line-height: 1.75; color: var(--ink-3); }
.tool-card .arrow {
  position: absolute;
  top: 22px; right: 22px;
  opacity: 0;
  transform: translate(-4px, 4px);
  transition: all var(--t);
  color: var(--accent);
}
.tool-card:hover .arrow { opacity: 1; transform: translate(0, 0); }

.tool-card--note {
  grid-column: span 2;
  background: var(--paper-2);
  border-left: 1px solid var(--line-2);
  align-content: space-between;
}
.tool-card--note .td { max-width: 40ch; }
.tool-card--note .req {
  font-family: var(--mono);
  font-size: 10.5px;
  letter-spacing: 0.12em;
  color: var(--accent);
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: 4px;
}

/* tool modal */
.modal {
  position: fixed;
  inset: 0;
  z-index: 400;
  display: none;
  padding: clamp(10px, 3vw, 40px);
  overflow-y: auto;
}
.modal.is-open { display: grid; place-items: start center; }
.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(10, 8, 6, 0.55);
  backdrop-filter: blur(6px);
  animation: fade 0.3s ease;
}
@keyframes fade { from { opacity: 0; } }
.modal-panel {
  position: relative;
  width: min(880px, 100%);
  margin-top: clamp(0px, 4vh, 60px);
  background: var(--paper);
  border: 1px solid var(--line);
  box-shadow: var(--shadow-lg);
  animation: pop 0.42s cubic-bezier(0.2, 0.8, 0.2, 1);
}
@keyframes pop {
  from { opacity: 0; transform: translateY(16px) scale(0.985); }
}
.modal-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 18px 22px;
  border-bottom: 1px solid var(--line);
  position: sticky;
  top: 0;
  background: var(--paper);
  z-index: 2;
}
.modal-body { padding: clamp(18px, 3vw, 30px); display: grid; gap: 18px; }
.modal-foot {
  display: flex;
  gap: 10px;
  align-items: center;
  justify-content: flex-end;
  flex-wrap: wrap;
  padding: 16px 22px;
  border-top: 1px solid var(--line);
  position: sticky;
  bottom: 0;
  background: var(--paper);
}

.field { display: grid; gap: 7px; }
.field > label {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--ink-3);
  display: flex;
  gap: 6px;
  align-items: baseline;
}
.field > label span { text-transform: none; letter-spacing: 0; font-family: var(--sans); color: var(--ink-4); }
.input, .textarea, .select {
  width: 100%;
  padding: 11px 13px;
  border: 1px solid var(--line);
  background: var(--paper-2);
  border-radius: 0;
  font-size: 13.5px;
  transition: border-color var(--t-fast), background var(--t-fast);
  outline: none;
}
[data-theme="light"] .input,
[data-theme="light"] .textarea,
[data-theme="light"] .select { background: #fff; }
.input:focus, .textarea:focus, .select:focus { border-color: var(--ink); background: var(--paper-3); }
.textarea { resize: vertical; min-height: 108px; line-height: 1.7; }

.out {
  border: 1px solid var(--line);
  background: var(--paper-2);
  padding: 16px 18px;
  min-height: 120px;
  font-size: 14px;
  line-height: 1.9;
  white-space: pre-wrap;
  word-break: break-word;
  max-height: 46vh;
  overflow-y: auto;
}
.out.is-empty { color: var(--ink-4); font-size: 12.5px; }

.palette-out { display: grid; grid-template-columns: repeat(6, 1fr); gap: 8px; }
.swatch-card {
  display: grid;
  gap: 0;
  border: 1px solid var(--line);
  cursor: pointer;
  overflow: hidden;
  transition: transform var(--t-fast);
}
.swatch-card:hover { transform: translateY(-3px); }
.swatch-card .sw { height: 74px; }
.swatch-card .hex {
  font-family: var(--mono);
  font-size: 10px;
  text-align: center;
  padding: 6px 2px;
  letter-spacing: 0.04em;
}

/* ---------- 15. Product page ---------- */
.prod-hero {
  padding-top: clamp(100px, 13vh, 140px);
  display: grid;
  gap: 24px;
}
.prod-mark {
  display: flex;
  align-items: baseline;
  gap: 14px;
  flex-wrap: wrap;
}
.prod-mark .nm {
  font-size: clamp(46px, 9vw, 120px);
  font-weight: 700;
  letter-spacing: -0.05em;
  line-height: 0.94;
}
.prod-mark .cn { font-size: clamp(15px, 1.6vw, 20px); color: var(--ink-3); letter-spacing: 0.16em; }
.status-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 12px;
  border: 1px solid color-mix(in srgb, var(--accent) 45%, transparent);
  color: var(--accent);
  border-radius: 999px;
  font-size: 11.5px;
  font-weight: 600;
}
.status-pill .dot {
  width: 6px; height: 6px; border-radius: 50%; background: var(--accent);
  animation: pulse 2s infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.4; transform: scale(0.75); }
}

.split-2 { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(20px, 4vw, 64px); }
.split-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; background: var(--line-2); border-block: 1px solid var(--line-2); }
.split-3 .cell { background: var(--paper); padding: clamp(18px, 2.4vw, 30px); display: grid; gap: 10px; align-content: start; }

.feature-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; background: var(--line-2); border: 1px solid var(--line-2); }
.feature {
  background: var(--paper);
  padding: clamp(20px, 2.4vw, 30px);
  display: grid;
  gap: 10px;
  align-content: start;
  min-height: 170px;
}
.feature .fi {
  width: 34px; height: 34px;
  display: grid; place-items: center;
  border: 1px solid var(--line);
  color: var(--accent);
  margin-bottom: 4px;
}
.feature h3 { font-size: 15.5px; letter-spacing: -0.01em; }
.feature p { font-size: 12.5px; line-height: 1.8; color: var(--ink-3); }

.roadmap { display: grid; gap: 0; border-top: 1px solid var(--line); }
.rm-item {
  display: grid;
  grid-template-columns: 140px 1fr auto;
  gap: clamp(14px, 3vw, 40px);
  padding-block: clamp(18px, 2.6vw, 28px);
  border-bottom: 1px solid var(--line-2);
  align-items: start;
}
.rm-item .q { font-family: var(--mono); font-size: 11.5px; letter-spacing: 0.1em; color: var(--ink-3); padding-top: 4px; }
.rm-item .t { font-size: 16.5px; font-weight: 700; letter-spacing: -0.01em; }
.rm-item .d { font-size: 13px; color: var(--ink-3); line-height: 1.8; margin-top: 4px; max-width: 58ch; }
.state {
  font-family: var(--mono);
  font-size: 9.5px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  padding: 4px 10px;
  border-radius: 999px;
  white-space: nowrap;
}
.state--done { background: color-mix(in srgb, var(--olive) 16%, transparent); color: var(--olive); }
.state--doing { background: color-mix(in srgb, var(--accent) 14%, transparent); color: var(--accent); }
.state--next { background: var(--line-2); color: var(--ink-4); }
.rm-item.is-done .rm-item__t { color: var(--ink-3); }

.waitlist {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 0.9fr);
  gap: clamp(24px, 5vw, 70px);
  align-items: center;
  padding: clamp(26px, 4vw, 46px);
  border: 1px solid var(--line);
  background: var(--paper-2);
}
.inline-form { display: flex; gap: 8px; flex-wrap: wrap; }
.inline-form .input { flex: 1; min-width: 200px; background: var(--paper); }

/* ---------- 16. Brand page ---------- */
.brand-hero { padding-top: clamp(100px, 13vh, 150px); }
.brand-statement {
  font-size: clamp(24px, 3.6vw, 48px);
  line-height: 1.35;
  letter-spacing: -0.025em;
  font-weight: 600;
  max-width: 26ch;
}
.brand-statement em { font-family: var(--serif); font-style: italic; font-weight: 400; color: var(--accent); }

.principle {
  display: grid;
  grid-template-columns: 44px minmax(0, 0.66fr) minmax(0, 1fr);
  gap: clamp(14px, 3vw, 44px);
  padding-block: clamp(24px, 3.4vw, 40px);
  border-top: 1px solid var(--line);
  align-items: start;
}
.principle .idx { font-family: var(--mono); font-size: 11px; color: var(--accent); letter-spacing: 0.14em; padding-top: 6px; }
.principle h3 { font-size: clamp(18px, 2vw, 24px); letter-spacing: -0.02em; }
.principle p { font-size: 13.5px; line-height: 1.9; color: var(--ink-3); max-width: 46ch; }

.swatches { display: grid; grid-template-columns: repeat(6, 1fr); gap: 1px; background: var(--line-2); border: 1px solid var(--line-2); }
.swatch { background: var(--paper); padding: 12px; display: grid; gap: 10px; cursor: pointer; }
.swatch .chipc {
  height: 84px;
  border-radius: 0;
  border: 1px solid var(--line-2);
  filter: grayscale(1) contrast(1.05);
  transition: filter 0.5s ease;
}
.swatch:hover .chipc { filter: none; }
.swatch .nm { font-size: 12.5px; font-weight: 600; }
.swatch .hx { font-family: var(--mono); font-size: 10.5px; color: var(--ink-4); letter-spacing: 0.06em; }
.swatch .un { font-size: 10.5px; color: var(--ink-4); line-height: 1.5; }

.type-spec { display: grid; gap: 0; border-top: 1px solid var(--line); }
.type-row {
  display: grid;
  grid-template-columns: minmax(0, 0.34fr) minmax(0, 1fr);
  gap: clamp(16px, 3vw, 44px);
  padding-block: clamp(16px, 3vw, 28px);
  border-bottom: 1px solid var(--line-2);
  align-items: baseline;
}
.type-row .meta { display: grid; gap: 3px; }
.type-row .meta b { font-size: 13.5px; }
.type-row .meta span { font-size: 11.5px; color: var(--ink-4); }
.type-row .sample { font-size: clamp(22px, 3vw, 40px); letter-spacing: -0.02em; line-height: 1.25; }

.logo-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--line-2);
  border: 1px solid var(--line-2);
}
.logo-cell {
  aspect-ratio: 4/3;
  display: grid;
  place-items: center;
  background: var(--paper);
  color: var(--ink);
  position: relative;
}
.logo-cell .lg {
  font-family: var(--mono);
  font-size: clamp(40px, 6vw, 84px);
  font-weight: 600;
  letter-spacing: -0.04em;
}
.logo-cell .cap {
  position: absolute;
  left: 12px; bottom: 10px;
  font-family: var(--mono);
  font-size: 9px;
  letter-spacing: 0.16em;
  color: var(--ink-4);
  text-transform: uppercase;
}
.logo-cell--dark { background: var(--ink); color: var(--paper); }
.logo-cell--accent { background: transparent; color: transparent; box-shadow: inset 0 0 0 1px var(--line); }
.logo-cell--accent .lg { -webkit-text-stroke: 1.4px var(--ink); }
.logo-cell--accent .cap { color: var(--ink-3); }
.logo-cell--dark .cap { color: color-mix(in srgb, currentColor 55%, transparent); }

.svc-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: clamp(14px, 2vw, 24px); }
.svc {
  border: 1px solid var(--line);
  padding: clamp(20px, 2.6vw, 30px);
  display: grid;
  gap: 14px;
  align-content: start;
  transition: border-color var(--t-fast), transform var(--t-fast);
}
.svc:hover { border-color: var(--ink); transform: translateY(-3px); }
.svc .price { font-family: var(--mono); font-size: 12px; color: var(--accent); letter-spacing: 0.06em; }
.svc ul { display: grid; gap: 6px; }
.svc li { font-size: 12.5px; color: var(--ink-3); display: flex; gap: 8px; }
.svc li::before { content: "—"; color: var(--ink-4); }

.process { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; background: var(--line-2); border-block: 1px solid var(--line-2); }
.process .p { background: var(--paper); padding: 24px 20px; display: grid; gap: 8px; }
.process .p .s { font-family: var(--mono); font-size: 10px; color: var(--accent); letter-spacing: 0.16em; }
.process .p h4 { font-size: 15px; }
.process .p p { font-size: 12px; color: var(--ink-3); line-height: 1.75; }

.client-strip {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 28px;
  align-items: center;
  padding-block: 22px;
  border-block: 1px solid var(--line-2);
}
.client-strip span {
  font-size: 13px;
  color: var(--ink-3);
  letter-spacing: 0.06em;
  transition: color var(--t-fast);
}
.client-strip span:hover { color: var(--ink); }

/* ---------- 17. About page ---------- */
.about-hero {
  padding-top: clamp(100px, 13vh, 150px);
  display: grid;
  grid-template-columns: minmax(0, 0.6fr) minmax(0, 1fr);
  gap: clamp(24px, 5vw, 80px);
  align-items: end;
}
.portrait {
  aspect-ratio: 4/5;
  background:
    radial-gradient(60% 50% at 30% 20%, rgba(255, 255, 255, 0.35), transparent 62%),
    linear-gradient(150deg, #8f8f8f, #2a2a2a 72%);
  position: relative;
  overflow: hidden;
  display: grid;
  place-items: center;
  border-radius: 999px 999px 0 0;
  filter: grayscale(1) contrast(1.05);
}
.portrait .ini {
  font-family: var(--serif);
  font-size: clamp(80px, 12vw, 160px);
  color: rgba(255, 255, 255, 0.5);
  letter-spacing: -0.05em;
}
.portrait .cap {
  position: absolute; left: 14px; bottom: 12px;
  font-family: var(--mono); font-size: 9px; letter-spacing: 0.16em;
  color: rgba(255, 255, 255, 0.55); text-transform: uppercase;
}

.tl { display: grid; border-top: 1px solid var(--line); }
.tl-item {
  display: grid;
  grid-template-columns: 110px 1fr;
  gap: clamp(14px, 3vw, 40px);
  padding-block: 20px;
  border-bottom: 1px solid var(--line-2);
}
.tl-item .y { font-family: var(--mono); font-size: 12px; letter-spacing: 0.1em; color: var(--accent); }
.tl-item h4 { font-size: 15.5px; margin-bottom: 3px; }
.tl-item p { font-size: 13px; color: var(--ink-3); line-height: 1.8; }

.skill-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; background: var(--line-2); border: 1px solid var(--line-2); }
.skill-cell { background: var(--paper); padding: 22px; display: grid; gap: 12px; align-content: start; }
.skill-cell .g { font-family: var(--mono); font-size: 10px; letter-spacing: 0.18em; color: var(--ink-4); text-transform: uppercase; }
.skill-cell ul { display: grid; gap: 6px; }
.skill-cell li { font-size: 13px; color: var(--ink-2); }

/* FAQ */
.faq { border-top: 1px solid var(--line); }
.faq details { border-bottom: 1px solid var(--line-2); }
.faq summary {
  list-style: none;
  cursor: pointer;
  padding-block: 18px;
  display: flex;
  justify-content: space-between;
  gap: 20px;
  font-size: 15px;
  font-weight: 600;
  letter-spacing: -0.01em;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after {
  content: "+";
  font-family: var(--mono);
  color: var(--accent);
  font-size: 16px;
  transition: transform var(--t-fast);
}
.faq details[open] summary::after { content: "−"; }
.faq .ans { padding: 0 0 20px; font-size: 13.5px; line-height: 1.9; color: var(--ink-3); max-width: 72ch; }

/* ---------- 18. Contact page ---------- */
.contact-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 0.8fr);
  gap: clamp(26px, 5vw, 80px);
  align-items: start;
}
.contact-card {
  border: 1px solid var(--line);
  padding: clamp(22px, 3vw, 36px);
  display: grid;
  gap: 16px;
  background: var(--paper-2);
}
.contact-list { display: grid; gap: 0; }
.contact-list a, .contact-list .ci {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  padding-block: 15px;
  border-bottom: 1px solid var(--line-2);
  font-size: 14px;
  transition: padding var(--t-fast), color var(--t-fast);
}
.contact-list a:hover { padding-left: 6px; color: var(--accent); }
.contact-list .k { font-family: var(--mono); font-size: 10px; letter-spacing: 0.16em; color: var(--ink-4); text-transform: uppercase; }
.contact-list .v { font-weight: 500; }

.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.form-grid .full { grid-column: 1 / -1; }

/* ---------- 19. Footer ---------- */
.footer {
  margin-top: clamp(40px, 7vw, 90px);
  border-top: 1px solid var(--line);
  padding-top: clamp(30px, 5vw, 60px);
  padding-bottom: 22px;
  overflow: hidden;
}
.footer-top {
  display: grid;
  grid-template-columns: minmax(0, 1fr) repeat(3, auto);
  gap: clamp(24px, 4vw, 64px);
  align-items: start;
}
.footer .col { display: grid; gap: 10px; align-content: start; }
.footer .col h5 {
  font-family: var(--mono);
  font-size: 9.5px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--ink-4);
  font-weight: 500;
}
.footer .col a, .footer .col span { font-size: 13px; color: var(--ink-2); }
.footer .col a:hover { color: var(--accent); }
.footer-word {
  margin-top: clamp(30px, 5vw, 56px);
  font-size: clamp(56px, 15vw, 210px);
  font-weight: 700;
  letter-spacing: -0.055em;
  line-height: 0.82;
  color: var(--ink);
  opacity: 0.96;
  white-space: nowrap;
  user-select: none;
}
.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 24px;
  justify-content: space-between;
  align-items: center;
  margin-top: 18px;
  padding-top: 16px;
  border-top: 1px solid var(--line-2);
  font-size: 11.5px;
  color: var(--ink-4);
}
.footer-bottom .clock { font-family: var(--mono); letter-spacing: 0.06em; }

/* ---------- 20. Reveal ---------- */
.reveal {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity 0.8s cubic-bezier(0.2, 0.7, 0.2, 1), transform 0.8s cubic-bezier(0.2, 0.7, 0.2, 1);
  will-change: opacity, transform;
}
.reveal.is-in { opacity: 1; transform: none; }
.reveal[data-d="1"] { transition-delay: 0.07s; }
.reveal[data-d="2"] { transition-delay: 0.14s; }
.reveal[data-d="3"] { transition-delay: 0.21s; }
.reveal[data-d="4"] { transition-delay: 0.28s; }

@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
  .marquee-track { animation: none; }
  html { scroll-behavior: auto; }
}

/* ---------- 21. Page transition ---------- */
#view { animation: viewIn 0.5s cubic-bezier(0.2, 0.7, 0.2, 1); }
@keyframes viewIn {
  from { opacity: 0; transform: translateY(8px); }
}

/* ---------- 22. Toast ---------- */
.toast-wrap {
  position: fixed;
  left: 50%;
  bottom: 26px;
  transform: translateX(-50%);
  z-index: 500;
  display: grid;
  gap: 8px;
  pointer-events: none;
}
.toast {
  background: var(--ink);
  color: var(--paper);
  padding: 11px 20px;
  border-radius: 999px;
  font-size: 13px;
  box-shadow: var(--shadow-lg);
  animation: toastIn 0.35s cubic-bezier(0.2, 0.8, 0.2, 1);
  white-space: nowrap;
}
.toast--err { background: var(--accent); color: #fff; }
@keyframes toastIn {
  from { opacity: 0; transform: translateY(10px); }
}

/* ---------- 23. Admin ---------- */
.admin-wrap { min-height: 100vh; padding-top: 84px; padding-bottom: 80px; }
.admin-head {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  align-items: center;
  justify-content: space-between;
  padding-bottom: 18px;
  border-bottom: 1px solid var(--line);
}
.admin-tabs { display: flex; flex-wrap: wrap; gap: 6px; margin-block: 18px 26px; }
.admin-tabs button {
  padding: 7px 14px;
  font-size: 12.5px;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--ink-3);
  transition: all var(--t-fast);
}
.admin-tabs button.is-active { background: var(--ink); color: var(--paper); border-color: var(--ink); }

.panel {
  border: 1px solid var(--line);
  padding: clamp(18px, 2.6vw, 30px);
  display: grid;
  gap: 16px;
  background: var(--paper);
}
.panel h3 { font-size: 16px; }
.panel .hint { font-size: 12px; color: var(--ink-3); line-height: 1.8; }
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }

.admin-list { display: grid; gap: 1px; background: var(--line-2); border: 1px solid var(--line-2); }
.admin-row {
  background: var(--paper);
  display: grid;
  grid-template-columns: 64px minmax(0, 1fr) auto;
  gap: 14px;
  align-items: center;
  padding: 12px 14px;
}
.admin-row .thumb {
  width: 64px; height: 48px;
  background: linear-gradient(140deg, var(--c1, #c0442b), var(--c2, #e9c7b6));
  background-size: cover;
  background-position: center;
  filter: grayscale(1);
}
.admin-row .tt { font-size: 13.5px; font-weight: 600; }
.admin-row .mt { font-size: 11.5px; color: var(--ink-4); font-family: var(--mono); letter-spacing: 0.04em; }
.admin-row .acts { display: flex; gap: 6px; }
.mini-btn {
  padding: 5px 11px;
  font-size: 11.5px;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--ink-3);
  transition: all var(--t-fast);
}
.mini-btn:hover { border-color: var(--ink); color: var(--ink); }
.mini-btn--danger:hover { border-color: var(--accent); color: var(--accent); }

.msg-card {
  border: 1px solid var(--line);
  padding: 16px 18px;
  display: grid;
  gap: 8px;
}
.msg-card.is-unread { border-left: 3px solid var(--accent); }

.login-wrap {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 24px;
}
.login-box {
  width: min(400px, 100%);
  display: grid;
  gap: 18px;
}

.empty {
  padding: 40px 20px;
  text-align: center;
  color: var(--ink-4);
  font-size: 13px;
  border: 1px dashed var(--line);
}

/* ---------- 24. 404 ---------- */
.nf {
  min-height: 78vh;
  display: grid;
  place-content: center;
  gap: 14px;
  text-align: center;
  padding-top: 80px;
}
.nf .big {
  font-size: clamp(90px, 22vw, 260px);
  font-weight: 700;
  letter-spacing: -0.06em;
  line-height: 0.85;
  color: transparent;
  -webkit-text-stroke: 1px var(--ink-3);
}

/* ---------- 25. Responsive ---------- */
@media (max-width: 1080px) {
  .hero-grid { grid-template-columns: 1fr; gap: 30px; }
  .hero-side { grid-template-columns: 1fr 1fr; display: grid; }
  .tools-grid { grid-template-columns: repeat(2, 1fr); }
  .feature-grid { grid-template-columns: repeat(2, 1fr); }
  .split-3 { grid-template-columns: 1fr; }
  .process { grid-template-columns: repeat(2, 1fr); }
  .skill-grid { grid-template-columns: repeat(2, 1fr); }
  .swatches { grid-template-columns: repeat(3, 1fr); }
  .svc-grid { grid-template-columns: 1fr; }
  .logo-grid { grid-template-columns: repeat(2, 1fr); }
  .detail-body { grid-template-columns: 1fr; }
  .detail-aside { position: static; }
  .page-head__row { grid-template-columns: 1fr; }
  .about-hero { grid-template-columns: 1fr; }
  .waitlist { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
  .footer-top { grid-template-columns: 1fr 1fr; }
  .meta-table { grid-template-columns: repeat(2, 1fr); }
  .col-item { grid-template-columns: 74px minmax(0, 1fr); }
  .col-item .side { grid-column: 2; justify-items: start; min-width: 0; }
}

@media (max-width: 820px) {
  .mainnav { display: none; }
  .burger { display: grid; }
  .topbar-actions .btn--nav-cta { display: none; }
  .works-grid .work-card,
  .works-grid .work-card:nth-child(n) { grid-column: span 12; }
  .stats { grid-template-columns: 1fr 1fr; }
  .hero { padding-top: 104px; }
  .footer-word { font-size: clamp(48px, 17vw, 90px); }
  .principle { grid-template-columns: 40px 1fr; }
  .principle p { grid-column: 2; }
  .rm-item { grid-template-columns: 1fr auto; }
  .rm-item .q { grid-column: 1 / -1; }
  .col-list .month-head { grid-template-columns: 1fr auto; }
  .col-list .month-head .m { grid-column: 1 / -1; }
  .form-grid { grid-template-columns: 1fr; }
  .admin-row { grid-template-columns: 48px minmax(0, 1fr); }
  .admin-row .thumb { width: 48px; height: 40px; }
  .admin-row .acts { grid-column: 2; }
  .grid-2, .grid-3 { grid-template-columns: 1fr; }
  .palette-out { grid-template-columns: repeat(2, 1fr); }
  .gallery .row-2 { grid-template-columns: 1fr; }
  .type-row { grid-template-columns: 1fr; }
  .tools-grid { grid-column: 1fr; grid-template-columns: 1fr; }
  .feature-grid { grid-template-columns: 1fr; }
  .next-work { grid-template-columns: 1fr; }
}

@media (max-width: 520px) {
  .hero-side { grid-template-columns: 1fr; }
  .split-2 { grid-template-columns: 1fr; }
  .footer-top { grid-template-columns: 1fr; }
  .swatches { grid-template-columns: repeat(2, 1fr); }
  .logo-grid { grid-template-columns: 1fr; }
  .skill-grid { grid-template-columns: 1fr; }
  .process { grid-template-columns: 1fr; }
  .meta-table { grid-template-columns: 1fr; }
  .stat { padding: 18px 14px; }
}