/* 록바이오텍 — 밝은 과학 에디토리얼. 토큰은 design-system/MASTER.md 기준 */
:root {
  --bg: #F3F5F6;
  --surface: #FFFFFF;
  --ink: #0F2326;
  --ink-2: #4A5A5D;
  --ink-3: #596D70;
  --line: rgb(15 35 38 / .12);
  --line-2: rgb(15 35 38 / .2);
  --teal: #046673;
  --teal-2: #2A9AA3;
  --teal-wash: #E3EFF0;
  --dark: #0C1E21;
  --on-dark: #E8F0F1;
  --on-dark-2: #9FB3B6;
  --teal-hover: #035460;
  --header-bg: rgb(243 245 246 / .92);
  --accent-on-dark: #7FC4C9;
  --line-on-dark: rgb(255 255 255 / .18);
  --line-on-dark-strong: rgb(255 255 255 / .3);
  --surface-on-dark: rgb(255 255 255 / .04);
  --placeholder-on-dark: #A9BEC1;
  --process-line: #8C989C;
  --process-grid: #DDE5E7;
  --process-fill: #C8E4E5;
  --process-ok: #16815E;
  --prod: var(--teal);
  --cool: #2876A2;
  --heat: #9B6152;
  --header-height: 72px;
  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-6: 24px;
  --space-8: 32px;
  --space-12: 48px;
  --radius-card: 4px;
  --radius-button: 2px;
  --radius-circle: 50%;
  --control-size: 52px;
  --icon-size: 20px;
  --gut: clamp(20px, 5vw, 72px);
  --max: 1360px;
  --ease: cubic-bezier(.2, .7, .2, 1);
  --sans: "Pretendard Variable", Pretendard, -apple-system, "Apple SD Gothic Neo", sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, Menlo, monospace;
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; scroll-padding-top: 76px; -webkit-text-size-adjust: 100%; }
body { background: var(--bg); color: var(--ink); font-family: var(--sans); font-size: 17px; line-height: 1.75; letter-spacing: -.01em; word-break: keep-all; -webkit-font-smoothing: antialiased; }
img { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }
button, input, select, textarea { font: inherit; color: inherit; }
:focus-visible { outline: 2px solid var(--teal); outline-offset: 3px; }
.skip { position: fixed; left: 12px; top: -60px; z-index: 99; padding: 10px 16px; background: var(--ink); color: var(--surface); }
.skip:focus { top: 12px; }
.mono { font-family: var(--mono); letter-spacing: 0; }
.wrap { max-width: var(--max); margin: 0 auto; padding: 0 var(--gut); }

/* 상단 바 */
.top { position: fixed; inset: 0 0 auto; z-index: 40; background: var(--header-bg); backdrop-filter: saturate(1.4) blur(14px); -webkit-backdrop-filter: saturate(1.4) blur(14px); border-bottom: 1px solid transparent; transition: border-color .3s; }
.top.is-scrolled { border-color: var(--line); }
.top-in { max-width: var(--max); margin: 0 auto; padding: 0 var(--gut); height: 72px; display: flex; align-items: center; gap: 40px; }
.brand { display: flex; align-items: center; min-height: 44px; }
.brand img { width: 150px; height: auto; }
.nav { display: flex; gap: 32px; margin-left: auto; font-size: 15px; font-weight: 500; color: var(--ink-2); }
.nav a { min-width: 44px; min-height: 44px; text-align: center; position: relative; padding: 12px 0; transition: color .2s; }
.nav a:hover, .nav a[aria-current] { color: var(--ink); }
.nav a[aria-current]::after { content: ''; position: absolute; left: 0; right: 0; bottom: 6px; height: 1px; background: var(--teal); }
.top-act { display: flex; align-items: center; gap: 20px; }
.tel { font-size: 15px; font-weight: 600; font-variant-numeric: tabular-nums; padding: 12px 0; }

/* 버튼·링크 */
.btn { display: inline-flex; align-items: center; justify-content: center; min-height: 52px; padding: 0 28px; border-radius: 2px; background: var(--teal); color: var(--surface); font-size: 16px; font-weight: 600; letter-spacing: -.01em; border: 0; cursor: pointer; transition: background-color .25s; }
.btn:active { opacity: .88; }
.btn:hover { background: var(--teal-hover); }
.btn-sm { min-height: 44px; padding: 0 20px; font-size: 15px; }
.btn-light { background: var(--surface); color: var(--ink); }
.btn-light:hover { background: var(--teal-wash); }
.link { display: inline-flex; align-items: center; gap: 8px; min-height: 44px; font-size: 16px; font-weight: 600; color: var(--ink); border-bottom: 1px solid var(--line-2); transition: border-color .25s; }
.link svg { width: 18px; height: 18px; fill: none; stroke: currentColor; stroke-width: 1.6; transition: transform .3s var(--ease); }
.link:hover { border-color: var(--ink); }
.link:hover svg { transform: translateX(4px); }

/* 공통 라벨·제목 */
.kicker { font-family: var(--mono); font-size: 13px; font-weight: 500; letter-spacing: .04em; color: var(--teal); }
h1, h2 { font-weight: 600; letter-spacing: -.045em; line-height: 1.12; color: var(--ink); }
h2 { margin-top: 18px; font-size: clamp(34px, 4.2vw, 60px); }
h3 { font-weight: 600; letter-spacing: -.03em; line-height: 1.3; }
.sec-p { margin-top: 24px; max-width: 34em; color: var(--ink-2); }
.note { margin-top: 24px; font-size: 14px; color: var(--ink-3); }
.idx { font-family: var(--mono); font-size: 13px; color: var(--ink-3); }

/* 첫 화면 — 공정 제어 시안 G (design-system/pages/home-g.md) */
.hero { position: relative; min-height: clamp(800px, 88svh, 1100px); padding-top: var(--header-height); }
.process-viz { position: absolute; top: 136px; bottom: 64px; left: 35%; right: calc(var(--gut) + 80px); }
.process-viz > svg { display: block; width: 100%; height: 100%; overflow: visible; }
.diagram-title { position: absolute; top: 0; left: 0; right: 0; display: flex; justify-content: space-between; gap: var(--space-4); font-size: 12px; color: var(--ink-2); }
.diagram-title .mono { color: var(--teal); font-size: 11px; letter-spacing: .04em; }
.process-copy { position: absolute; left: var(--gut); bottom: var(--space-12); width: 32%; max-width: 520px; z-index: 2; }
.process-copy .kicker { margin-bottom: var(--space-6); font-size: 11px; }
.hero h1 { font-size: clamp(32px, 3.35vw, 58px); line-height: 1.17; font-weight: 600; }
.ln { display: block; overflow: hidden; padding-bottom: .06em; }
.ln > span { display: block; animation: scene-mask .85s var(--ease) both; }
.ln:nth-child(2) > span { animation-delay: .08s; }
@keyframes scene-mask { from { transform: translateY(110%); } }
.lede { margin-top: var(--space-6); max-width: 29em; min-height: 5.25em; font-size: 16px; line-height: 1.75; color: var(--ink-2); }
.scene-fade { animation: scene-fade .6s .15s var(--ease) both; }
@keyframes scene-fade { from { transform: translateY(8px); opacity: .01; } }
.process-meta { display: flex; align-items: center; flex-wrap: wrap; gap: var(--space-3); margin-top: var(--space-6); font-size: 13px; }
.process-meta b { font-weight: 600; }
.scene-number { color: var(--ink-2); font-size: 11px; }
.scene-bar { flex: 1 0 64px; max-width: 100px; height: 3px; overflow: hidden; background: var(--line); }
.scene-bar i { display: block; width: 100%; height: 100%; background: var(--teal); transform: scaleX(0); transform-origin: left; }
.process-cap { margin-top: var(--space-3); color: var(--ink-3); font-size: 12px; line-height: 1.65; min-height: 3.3em; }
.process-hud { position: absolute; top: 104px; left: var(--gut); width: min(380px, 31%); padding: var(--space-4); border: 1px solid var(--line); border-radius: var(--radius-card); background: var(--surface); z-index: 2; font-size: 12px; }
.hud-status { display: flex; justify-content: space-between; align-items: center; gap: var(--space-2); font-size: 13px; font-weight: 600; }
.hud-status > span { display: flex; align-items: center; gap: var(--space-2); }
.hud-status small { color: var(--ink-3); font-size: 11px; font-weight: 400; }
.status-dot { width: 6px; height: 6px; border-radius: var(--radius-circle); background: var(--process-ok); }
.clock { white-space: nowrap; font-size: 11px; color: var(--ink-2); font-weight: 400; }
.process-kv { display: grid; grid-template-columns: repeat(4,minmax(0,1fr)); gap: var(--space-1); margin: var(--space-4) 0; }
.process-kv > div { background: var(--bg); padding: var(--space-2); border-radius: var(--radius-button); }
.process-kv span { display: block; font-size: 11px; color: var(--ink-2); }
.process-kv b { display: block; margin-top: var(--space-1); font-size: 12px; font-weight: 600; white-space: nowrap; font-variant-numeric: tabular-nums; }
.log-title { display: flex; justify-content: space-between; color: var(--ink-3); font-size: 10px; padding-bottom: var(--space-2); border-bottom: 1px solid var(--line); }
.process-log { height: 64px; overflow: hidden; margin-top: var(--space-2); }
.process-log li { display: grid; grid-template-columns: 56px 1fr; gap: var(--space-2); padding: var(--space-1) 0; font-size: 11px; line-height: 1.55; }
.process-log time { white-space: nowrap; font-family: var(--mono); font-size: 10px; color: var(--ink-3); }
.process-log li.new { color: var(--teal); animation: log-in .4s var(--ease) both; }
@keyframes log-in { from { transform: translateX(-8px); opacity: .01; } }
.process-rail { position: absolute; right: var(--gut); bottom: var(--space-12); display: flex; flex-direction: column; gap: var(--space-4); z-index: 3; }
.scene-button { display: flex; flex-direction: column; align-items: center; gap: var(--space-1); min-width: 56px; border: 0; padding: 0; background: none; font: 500 11px var(--sans); color: var(--ink-2); cursor: pointer; touch-action: manipulation; }
.scene-button i { width: var(--control-size); height: var(--control-size); border-radius: var(--radius-circle); display: grid; place-items: center; background: var(--surface); border: 1px solid var(--line); transition: background .2s, transform .2s; }
.scene-button:hover i { background: var(--teal-wash); transform: translateY(-2px); }
.scene-button:active i { transform: scale(.96); }
.scene-contact i { background: var(--teal); color: var(--surface); border-color: var(--teal); }
.scene-contact:hover i { background: var(--teal-hover); }
.scene-button svg { width: var(--icon-size); height: var(--icon-size); stroke: currentColor; fill: none; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; overflow: hidden; clip-path: inset(50%); white-space: nowrap; }
/* P&ID — 원본의 배관 경로와 장치 배치 유지 */
.pipe { fill: none; stroke: var(--process-line); stroke-width: 7; stroke-linecap: round; stroke-linejoin: round; }
.pipe-in { fill: none; stroke: var(--surface); stroke-width: 3; stroke-linecap: round; stroke-linejoin: round; }
.flow { fill: none; stroke-width: 3.4; stroke-linecap: round; stroke-linejoin: round; stroke-dasharray: 10 12; opacity: 0; transition: opacity .4s; }
.flow.on { opacity: 1; animation: pipe-flow .7s linear infinite; }
@keyframes pipe-flow { to { stroke-dashoffset: -22; } }
.vsl { fill: var(--surface); stroke: var(--ink); stroke-width: 1.6; }
.tag { font: 600 14px var(--sans); fill: var(--ink); }
.tag2 { font: 500 12px var(--sans); fill: var(--ink-2); }
.val { font: 600 13px var(--sans); fill: var(--ink); font-variant-numeric: tabular-nums; }
.inst { fill: var(--surface); stroke: var(--ink); stroke-width: 1.2; }
.valve path { fill: var(--surface); stroke: var(--ink); stroke-width: 1.2; transition: fill .3s; }
.valve.on path { fill: var(--process-ok); }
.pump circle { fill: var(--surface); stroke: var(--ink); stroke-width: 1.4; }
.pump.on circle { stroke: var(--process-ok); stroke-width: 2; }
.hl { fill: none; stroke: var(--teal); stroke-width: 2; stroke-dasharray: 4 5; opacity: 0; transition: opacity .4s; }
.hl.on { opacity: 1; }
.bottle-shell { fill: var(--surface); stroke: var(--ink); stroke-width: 1; }
.bottle-fill { fill: var(--process-fill); }
.process-stage:is(.is-paused,.is-offscreen,.is-hidden) .flow { animation-play-state: paused; }
.proof { padding-bottom: var(--space-12); }
.facts { width: 100%; padding: 0 var(--gut); display: grid; grid-template-columns: repeat(4,minmax(0,1fr)); gap: var(--space-2); }
.facts > div { padding: var(--space-6); background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius-card); }
.facts dt { font-size: clamp(26px, 2.5vw, 38px); font-weight: 400; letter-spacing: -.04em; line-height: 1.15; font-variant-numeric: tabular-nums; }
.facts dt small { margin-left: var(--space-1); font-size: .45em; font-weight: 500; color: var(--teal); }
.facts dd { margin-top: var(--space-2); font-size: 13px; color: var(--ink-2); }
@media (min-width: 861px) and (max-width: 1180px) {
  .process-hud { width: 32%; }
  .process-kv { grid-template-columns: repeat(2,minmax(0,1fr)); }
  .process-hud { top: 96px; }
  .process-log { height: 40px; }
  .process-copy { width: 33%; }
  .hero h1 { font-size: clamp(30px,3.35vw,40px); }
  .process-viz { left: 38%; right: calc(var(--gut) + 64px); }
}
@media (max-width: 860px) {
  .hero { display: flex; flex-direction: column; min-height: 0; padding-top: calc(var(--header-height) + var(--space-6)); }
  .process-viz { position: relative; inset: auto; margin: 0 var(--gut); padding-top: var(--space-8); aspect-ratio: 1000 / 740; }
  .process-viz > svg { height: auto; }
  .diagram-title { font-size: 10px; }
  .diagram-title .mono { font-size: 9px; }
  .process-copy { position: relative; inset: auto; width: auto; max-width: none; margin: var(--space-6) var(--gut) 0; }
  .process-copy .kicker { margin-bottom: var(--space-4); font-size: 10px; }
  .hero h1 { font-size: clamp(30px, 8vw, 52px); }
  .lede { margin-top: var(--space-4); min-height: 5.25em; max-width: 36em; }
  .process-meta { margin-top: var(--space-4); }
  .process-hud { position: relative; inset: auto; width: auto; margin: var(--space-6) var(--gut) 0; padding: var(--space-4); }
  .process-kv { grid-template-columns: repeat(2,minmax(0,1fr)); }
  .process-kv b { font-size: 14px; }
  .process-log { height: 88px; }
  .process-log li { font-size: 12px; }
  .process-rail { position: relative; inset: auto; flex-direction: row; justify-content: space-between; padding: var(--space-6) var(--gut) var(--space-8); }
  .facts { grid-template-columns: repeat(2,minmax(0,1fr)); }
  .facts > div { padding: var(--space-4); }
  .facts dt { font-size: clamp(24px, 6vw, 36px); }
  .facts dd { font-size: 12px; }
}
@media (prefers-reduced-motion: reduce) {
  .process-stage *, .process-stage *::before, .process-stage *::after { animation: none !important; transition: none !important; }
}

/* 섹션 */
.sec { padding: clamp(96px, 12vw, 176px) 0; }
.sec-white { background: var(--surface); }
.sec-head { margin-bottom: clamp(56px, 7vw, 104px); }
.sec-head.split { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: end; }
.sec-head.split .sec-p { margin-top: 0; }

/* 기술: 사진 없이 2열 카드 */
#technology .wrap { display: grid; grid-template-columns: 1fr 1fr; column-gap: clamp(32px, 5vw, 96px); }
#technology .sec-head { grid-column: 1 / -1; }
.tech { padding: clamp(36px, 4vw, 56px) 0 clamp(44px, 5vw, 72px); border-top: 1px solid var(--line-2); }
.tech .idx { font-size: clamp(56px, 6vw, 96px); font-family: var(--sans); font-weight: 200; letter-spacing: -.05em; line-height: 1; color: var(--teal); }
.tech-body h3 { margin-top: 28px; font-size: clamp(28px, 2.8vw, 40px); }
.tech-body > p:not(.idx) { margin-top: 16px; color: var(--ink-2); max-width: 30em; }
.spec { margin-top: 28px; border-top: 1px solid var(--line); }
.spec > div { display: grid; grid-template-columns: 88px 1fr; gap: 16px; padding: 12px 0; border-bottom: 1px solid var(--line); font-size: 15px; }
.spec dt { font-family: var(--mono); font-size: 12px; line-height: 2.1; color: var(--ink-3); letter-spacing: 0; }
.spec dd { color: var(--ink); }
.spec-lg > div { grid-template-columns: 96px 1fr; padding: 16px 0; font-size: 16px; }

/* 연구 */
.nums { display: grid; grid-template-columns: repeat(4, 1fr); border-top: 1px solid var(--line-2); }
.nums > div { padding: 36px 24px 40px 0; }
.nums > div + div { padding-left: 24px; border-left: 1px solid var(--line); }
.nums dt { font-size: clamp(48px, 5.6vw, 88px); font-weight: 300; letter-spacing: -.05em; line-height: 1; font-variant-numeric: tabular-nums; color: var(--ink); }
.nums dt small { font-size: .45em; font-weight: 400; color: var(--teal); }
.nums dd { margin-top: 14px; font-size: 15px; color: var(--ink-3); }
.table { margin-top: clamp(64px, 8vw, 112px); }
.table-cap { font-family: var(--mono); font-size: 13px; color: var(--ink-3); padding-bottom: 14px; border-bottom: 1px solid var(--line-2); }
.patents li { display: grid; grid-template-columns: 140px 1fr 64px; gap: 24px; align-items: baseline; padding: 20px 0; border-bottom: 1px solid var(--line); }
.patents .mono { font-size: 14px; color: var(--teal); }
.patents b { font-weight: 500; font-size: 16px; line-height: 1.55; }
.patents time { font-family: var(--mono); font-size: 13px; color: var(--ink-3); text-align: right; }

/* OEM */
.plans { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; background: var(--line); border: 1px solid var(--line); }
.plans li { background: var(--surface); padding: 36px 32px 44px; display: flex; flex-direction: column; }
.plans h3 { margin-top: 28px; font-size: 26px; }
.plans .dur { margin-top: 6px; font-size: 40px; font-weight: 300; letter-spacing: -.04em; color: var(--teal); font-variant-numeric: tabular-nums; line-height: 1.2; }
.plans li > p:last-child { margin-top: 24px; font-size: 15px; color: var(--ink-2); }
.steps { margin-top: clamp(56px, 7vw, 96px); display: grid; grid-template-columns: repeat(5, 1fr); counter-reset: s; }
.steps li { position: relative; padding: 28px 16px 0 0; border-top: 1px solid var(--line-2); }
.steps li::before { content: ''; position: absolute; left: 0; top: -4px; width: 7px; height: 7px; border-radius: 50%; background: var(--teal); }
.steps .mono { display: block; font-size: 12px; color: var(--ink-3); }
.steps b { display: block; margin-top: 8px; font-size: 18px; font-weight: 600; letter-spacing: -.02em; }
.steps li > span:last-child { display: block; margin-top: 2px; font-size: 14px; color: var(--ink-3); }

/* 품질 */
.certs { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; background: var(--line); border: 1px solid var(--line); }
.certs li { background: var(--surface); padding: 32px 28px 40px; }
.certs .mono { font-size: 12px; color: var(--teal); }
.certs h3 { margin-top: 40px; font-size: 21px; }
.certs li > p:last-child { margin-top: 12px; font-size: 15px; color: var(--ink-2); }

/* 회사 */
.co { display: grid; grid-template-columns: .8fr 1fr; gap: clamp(40px, 7vw, 120px); align-items: center; }
.co-fig img { width: 100%; aspect-ratio: 3 / 4; object-fit: cover; border-radius: 4px; filter: saturate(.92); }

/* 문의 */
.sec-dark { background: var(--dark); color: var(--on-dark); }
.sec-dark h2 { color: var(--surface); }
.sec-dark .kicker { color: var(--accent-on-dark); }
.sec-dark .sec-p { color: var(--on-dark-2); }
.ct { display: grid; grid-template-columns: 1fr 1.1fr; gap: clamp(40px, 7vw, 120px); align-items: start; }
.spec-dark { border-color: var(--line-on-dark); }
.spec-dark > div { border-color: var(--line-on-dark); }
.spec-dark dt { color: var(--on-dark-2); }
.spec-dark dd, .spec-dark a { color: var(--surface); }
.spec-dark a { display: inline-flex; align-items: center; min-height: 44px; border-bottom: 1px solid var(--line-on-dark-strong); }
.form { display: grid; gap: 20px; }
.form .row { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.form label { display: grid; gap: 8px; font-size: 14px; color: var(--on-dark-2); }
.form input:not([type=checkbox]), .form select, .form textarea { width: 100%; min-height: 52px; padding: 14px 16px; border-radius: 2px; border: 1px solid var(--line-on-dark); background: var(--surface-on-dark); color: var(--surface); font-size: 16px; transition: border-color .2s; }
.form select option { color: var(--ink); }
.form textarea { resize: vertical; }
.form input:focus-visible, .form select:focus-visible, .form textarea:focus-visible { outline: 2px solid var(--accent-on-dark); outline-offset: 3px; border-color: var(--accent-on-dark); }
.form ::placeholder { color: var(--placeholder-on-dark); }
.form .agree { min-height: 44px; cursor: pointer; display: flex; align-items: flex-start; gap: 12px; color: var(--on-dark-2); }
.form .agree input { margin-top: 4px; width: 20px; height: 20px; accent-color: var(--teal-2); flex: none; }
.form .btn { justify-self: start; min-width: 200px; }
.status { min-height: 1.5em; font-size: 14px; color: var(--accent-on-dark); }

/* 하단 */
.foot { padding: 56px 0 64px; background: var(--dark); color: var(--on-dark-2); border-top: 1px solid var(--line-on-dark); font-size: 13px; line-height: 1.8; }
.foot-in { display: grid; grid-template-columns: auto 1fr; gap: 12px 48px; align-items: start; }
.foot img { width: 128px; filter: brightness(0) invert(1); opacity: .85; grid-row: span 2; }
.credit { color: var(--on-dark-2); }

/* 등장·움직임 */
.rv { opacity: 0; transform: translateY(16px); transition: opacity .9s var(--ease), transform .9s var(--ease); transition-delay: var(--d, 0s); }
.rv.is-in { opacity: 1; transform: none; }
.float { animation: float 8s ease-in-out infinite alternate; }
@keyframes float { from { transform: translateY(-6px); } to { transform: translateY(6px); } }

@media (max-width: 1080px) {
  .nav { display: none; }
  .top-act { margin-left: auto; }
  .certs { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 860px) {
  body { font-size: 16px; }
  .tel { display: none; }
  .brand img { width: 128px; }
  #technology .wrap { grid-template-columns: 1fr; }
  .sec-head.split { grid-template-columns: 1fr; gap: 0; }
  .sec-head.split .sec-p { margin-top: 24px; }
  .nums { grid-template-columns: 1fr 1fr; }
  .nums > div:nth-child(3) { padding-left: 0; border-left: 0; }
  .nums > div:nth-child(n+3) { border-top: 1px solid var(--line); }
  .patents li { grid-template-columns: 1fr auto; gap: 4px 16px; }
  .patents b { grid-column: 1 / -1; grid-row: 2; }
  .plans, .certs { grid-template-columns: 1fr; }
  .steps { grid-template-columns: 1fr; gap: 0; }
  .steps li { padding: 18px 0 18px 28px; border-top: 0; border-left: 1px solid var(--line-2); }
  .steps li::before { left: -4px; top: 26px; }
  .co, .ct { grid-template-columns: 1fr; }
  .co-fig { max-width: 420px; }
  .form .row { grid-template-columns: 1fr; }
  .foot-in { grid-template-columns: 1fr; }
  .foot img { grid-row: auto; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .rv { opacity: 1; transform: none; transition: none; }
  .float { animation: none; }
}