/* ══════════════════════════════════════════════════════════
   CORIUM — Diagnostic Dermatology
   Concept: "read the skin, then treat it" — the hero is a working
   diagnostic instrument. Clinical petrol ground + one luminous jade
   accent (the instrument light). Concern hues are false-colour, semantic.
   ══════════════════════════════════════════════════════════ */

:root{
  /* light (default clinical porcelain) */
  --bg:#e8edee;
  --bg2:#dee5e6;
  --surface:#f3f7f7;
  --surface2:#eaf0f0;
  --ink:#0d1719;
  --ink-soft:#26363a;
  --muted:#46595d;
  --line:rgba(13,23,25,.12);
  --line-soft:rgba(13,23,25,.07);

  --acc:#0e9c88;          /* jade — brand, large/decorative */
  --acc-ink:#0a7c6c;      /* jade — small text / links (AA on surface) */
  --acc-glow:rgba(14,156,136,.16);

  /* false-colour diagnostic hues (semantic, not the brand accent) */
  --c-acne:#d85f38;
  --c-pigment:#8a6ad8;
  --c-aging:#3f93d6;
  --c-redness:#d84f68;

  --screen:#0a1513;       /* the instrument screen is always dark */
  --screen-ink:#eaf6f2;
  --screen-line:rgba(120,235,205,.16);

  --ease:cubic-bezier(.22,1,.36,1);
  --pad:clamp(20px,5vw,64px);
  --max:1200px;
  --r:14px;

  --f-disp:"Fraunces",Georgia,serif;
  --f-body:"Sora",system-ui,sans-serif;
  --f-data:"Space Grotesk",ui-monospace,monospace;

  color-scheme:light dark;
}

@media (prefers-color-scheme:dark){
  :root{
    --bg:#07110f;
    --bg2:#0a1614;
    --surface:#0d1a17;
    --surface2:#0f1f1b;
    --ink:#eaf3f1;
    --ink-soft:#c4d6d1;
    --muted:#93aaa4;
    --line:rgba(150,230,210,.14);
    --line-soft:rgba(150,230,210,.07);

    --acc:#37e0c2;
    --acc-ink:#4fe6cb;
    --acc-glow:rgba(55,224,194,.18);

    --c-acne:#f0764a;
    --c-pigment:#a98bf0;
    --c-aging:#5fb0f0;
    --c-redness:#f06d84;

    --screen:#050d0b;
    --screen-line:rgba(120,235,205,.18);
  }
}

/* ── reset ── */
*{box-sizing:border-box;margin:0}
[hidden]{display:none!important}
html{-webkit-text-size-adjust:100%}
body{
  background:var(--bg);
  color:var(--ink);
  font-family:var(--f-body);
  font-weight:340;
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
  overflow-x:hidden;
}
img,svg,canvas{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;cursor:pointer;border:0;background:none}
::selection{background:var(--acc);color:var(--screen)}
:focus-visible{outline:2px solid var(--acc);outline-offset:3px;border-radius:3px}

.skip{position:fixed;left:12px;top:-60px;z-index:200;background:var(--ink);color:var(--bg);
  padding:10px 16px;border-radius:8px;transition:top .2s var(--ease)}
.skip:focus{top:12px}

/* ── shared type ── */
.kicker,.sec-k,.rail__k,.device__title,.form__k{
  font-family:var(--f-data);font-weight:500;text-transform:uppercase;
  letter-spacing:.24em;font-size:.7rem;color:var(--acc-ink);
}
.sec-title{
  font-family:var(--f-disp);font-weight:420;line-height:1.02;
  letter-spacing:-.02em;text-wrap:balance;
  font-size:clamp(1.9rem,4.6vw,3.4rem);
  color:var(--ink);
}
.sec-title em{font-style:italic;color:var(--acc-ink)}
.sec-lede{color:var(--muted);max-width:46ch;text-wrap:pretty;
  font-size:clamp(1rem,1.5vw,1.12rem);margin-top:1rem}

/* ══════════════ NAV ══════════════ */
.nav{position:sticky;top:0;z-index:100;transition:background .3s var(--ease),border-color .3s var(--ease)}
.nav__in{max-width:var(--max);margin-inline:auto;padding:16px var(--pad);
  display:flex;align-items:center;gap:20px}
.nav.is-stuck{background:color-mix(in srgb,var(--bg) 82%,transparent);
  backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);
  border-bottom:1px solid var(--line)}
.brand{display:flex;align-items:center;gap:10px;margin-right:auto}
.brand__mark{color:var(--acc);display:grid;place-items:center}
.brand__word{font-family:var(--f-data);font-weight:600;letter-spacing:.22em;
  font-size:1.05rem;color:var(--ink)}
.nav__links{display:flex;gap:28px}
.nav__links a{font-size:.92rem;color:var(--muted);transition:color .2s var(--ease)}
.nav__links a:hover{color:var(--ink)}
.btn{font-family:var(--f-body);font-weight:500;border-radius:100px;
  transition:transform .25s var(--ease),background .25s var(--ease),box-shadow .25s var(--ease)}
.btn--nav{background:var(--acc);color:var(--screen);padding:10px 20px;font-size:.9rem}
.btn--nav:hover{transform:translateY(-2px);box-shadow:0 10px 24px var(--acc-glow)}
.hamburger{display:none;flex-direction:column;gap:5px;padding:8px;margin-left:auto}
.hamburger span{width:22px;height:2px;background:var(--ink);border-radius:2px;
  transition:transform .3s var(--ease),opacity .2s var(--ease)}
.hamburger[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.hamburger[aria-expanded="true"] span:nth-child(2){opacity:0}
.hamburger[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
.mobilenav{display:none}

/* ══════════════ HERO ══════════════ */
.hero{position:relative;padding:clamp(24px,5vh,56px) var(--pad) clamp(40px,8vh,88px)}
.hero__wrap{max-width:var(--max);margin-inline:auto;
  display:grid;grid-template-columns:.82fr 1.18fr;gap:clamp(28px,4vw,64px);align-items:center}
.hero__intro{max-width:44ch}
.kicker{display:inline-flex;align-items:center;gap:9px}
.kicker__dot{width:7px;height:7px;border-radius:50%;background:var(--acc);
  box-shadow:0 0 0 4px var(--acc-glow)}
.hero__title{
  font-family:var(--f-disp);font-weight:400;line-height:.98;
  letter-spacing:-.025em;text-wrap:balance;
  font-size:clamp(2.5rem,6vw,4.4rem);margin:1.1rem 0 1.2rem;color:var(--ink)}
.hero__title em{font-style:italic;color:var(--acc-ink)}
.hero__sub{color:var(--muted);text-wrap:pretty;font-size:clamp(1rem,1.4vw,1.12rem);max-width:42ch}
.hero__trust{display:flex;flex-wrap:wrap;align-items:center;gap:8px;margin-top:1.6rem;
  font-family:var(--f-data);font-size:.74rem;letter-spacing:.04em;color:var(--ink-soft)}
.hero__trust .dot{color:var(--acc)}

/* ── the device ── */
.device{
  border:1px solid var(--line);border-radius:calc(var(--r) + 4px);
  background:linear-gradient(180deg,var(--surface),var(--surface2));
  box-shadow:0 30px 70px -30px rgba(0,0,0,.4),0 2px 0 rgba(255,255,255,.04) inset;
  overflow:hidden}
.device__bar{display:flex;align-items:center;gap:10px;padding:11px 16px;
  border-bottom:1px solid var(--line);background:color-mix(in srgb,var(--surface) 70%,transparent)}
.device__led{width:8px;height:8px;border-radius:50%;background:var(--acc);
  box-shadow:0 0 10px var(--acc);animation:pulse 3.1s var(--ease) infinite}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.35}}
.device__title{font-family:var(--f-data);font-size:.66rem;letter-spacing:.2em;color:var(--muted)}
.device__sn{margin-left:auto;font-family:var(--f-data);font-size:.66rem;letter-spacing:.14em;color:var(--muted)}
.device__body{display:grid;grid-template-columns:1.1fr .9fr}

.device__screen{position:relative;background:var(--screen);min-height:340px}
.screen__canvas{position:absolute;inset:0;width:100%;height:100%}
.screen__hud{position:absolute;inset:0;pointer-events:none;padding:16px;
  display:flex;flex-direction:column;justify-content:space-between}
.hud__index{align-self:flex-start;background:rgba(6,16,14,.5);border:1px solid var(--screen-line);
  border-radius:10px;padding:8px 12px;backdrop-filter:blur(4px)}
.hud__k{display:block;font-family:var(--f-data);font-size:.6rem;letter-spacing:.2em;
  color:var(--acc);opacity:.9}
.hud__val{font-family:var(--f-data);color:var(--screen-ink);display:flex;align-items:baseline;gap:2px}
.hud__val b{font-size:2.1rem;font-weight:600;line-height:1;font-variant-numeric:tabular-nums}
.hud__val i{font-style:normal;font-size:.8rem;opacity:.55}
.hud__probe{align-self:flex-start;font-family:var(--f-data);font-size:.68rem;
  letter-spacing:.03em;color:var(--screen-ink);opacity:.72;
  background:rgba(6,16,14,.5);border-radius:8px;padding:5px 9px;font-variant-numeric:tabular-nums}

/* ── the rail ── */
.device__rail{padding:clamp(16px,2vw,22px);display:flex;flex-direction:column;gap:16px;
  border-left:1px solid var(--line);background:var(--surface)}
.rail__k{display:block;margin-bottom:9px}
.concerns{border:0;padding:0;display:flex;flex-wrap:wrap;gap:8px}
.concerns legend{margin-bottom:9px}
.chip{display:inline-flex;align-items:center;gap:8px;padding:8px 13px;border-radius:100px;
  border:1px solid var(--line);background:var(--surface2);font-size:.86rem;color:var(--ink-soft);
  transition:border-color .2s var(--ease),background .2s var(--ease),color .2s var(--ease),transform .15s var(--ease)}
.chip:hover{transform:translateY(-1px);border-color:color-mix(in srgb,var(--acc) 40%,var(--line))}
.chip__sw{width:10px;height:10px;border-radius:50%;background:var(--line);
  border:1px solid var(--muted);transition:background .2s var(--ease),box-shadow .2s var(--ease)}
.chip[data-sw] .chip__sw,.chip__sw[data-sw="acne"]{--h:var(--c-acne)}
.chip__sw[data-sw="pigment"]{--h:var(--c-pigment)}
.chip__sw[data-sw="aging"]{--h:var(--c-aging)}
.chip__sw[data-sw="redness"]{--h:var(--c-redness)}
.chip[aria-pressed="true"]{background:var(--ink);color:var(--surface);border-color:var(--ink)}
.chip[aria-pressed="true"] .chip__sw{background:var(--h);border-color:var(--h);box-shadow:0 0 8px var(--h)}

.sens .rail__k{display:flex;justify-content:space-between;align-items:center}
.sens .rail__k b{font-family:var(--f-data);color:var(--ink);font-variant-numeric:tabular-nums}
.range{-webkit-appearance:none;appearance:none;width:100%;height:4px;border-radius:4px;
  background:linear-gradient(90deg,var(--acc) var(--fill,35%),var(--line) var(--fill,35%));cursor:pointer}
.range::-webkit-slider-thumb{-webkit-appearance:none;width:18px;height:18px;border-radius:50%;
  background:var(--surface);border:2px solid var(--acc);box-shadow:0 2px 6px rgba(0,0,0,.25);cursor:pointer}
.range::-moz-range-thumb{width:18px;height:18px;border-radius:50%;background:var(--surface);
  border:2px solid var(--acc);cursor:pointer}
.rail__hint,.rail__foot{font-size:.72rem;color:var(--muted);line-height:1.5}
.rail__foot{border-top:1px solid var(--line-soft);padding-top:12px;text-wrap:pretty}

.metrics{display:grid;gap:9px}
.metric{display:grid;grid-template-columns:64px 1fr 30px;align-items:center;gap:10px}
.metric__k{font-family:var(--f-data);font-size:.68rem;letter-spacing:.08em;color:var(--muted)}
.metric__bar{height:5px;border-radius:4px;background:var(--line);overflow:hidden}
.metric__bar i{display:block;height:100%;border-radius:4px;background:var(--acc);
  transition:width .6s var(--ease)}
.metric__v{font-family:var(--f-data);font-size:.82rem;text-align:right;color:var(--ink);
  font-variant-numeric:tabular-nums}

.protocol__list{list-style:none;display:grid;gap:7px}
.protocol__list li{display:grid;grid-template-columns:auto 1fr;gap:10px;align-items:start;
  font-size:.83rem;color:var(--ink-soft);line-height:1.45;text-wrap:pretty}
.protocol__i{font-family:var(--f-data);font-size:.66rem;color:var(--acc-ink);
  padding-top:2px;font-variant-numeric:tabular-nums}
.btn--rail{background:var(--acc);color:var(--screen);text-align:center;padding:13px;
  font-weight:600;font-size:.92rem}
.btn--rail:hover{transform:translateY(-2px);box-shadow:0 12px 26px var(--acc-glow)}

.hero__scroll{display:grid;place-items:center;margin:clamp(28px,5vh,48px) auto 0;
  width:30px;height:46px;border:1px solid var(--line);border-radius:16px}
.hero__scroll span{width:3px;height:8px;border-radius:3px;background:var(--acc);
  animation:scroll 1.9s var(--ease) infinite}
@keyframes scroll{0%{transform:translateY(-5px);opacity:0}40%{opacity:1}100%{transform:translateY(7px);opacity:0}}

/* ══════════════ TREATMENTS ══════════════ */
.tx{max-width:var(--max);margin-inline:auto;padding:clamp(70px,11vh,130px) var(--pad)}
.tx__head{max-width:62ch;margin-bottom:clamp(32px,5vh,56px)}
.sec-k{display:block;margin-bottom:14px}
.tx__grid{display:grid;grid-template-columns:repeat(2,1fr);gap:1px;
  background:var(--line);border:1px solid var(--line);border-radius:var(--r);overflow:hidden}
.tx__card{background:var(--surface);padding:clamp(22px,3vw,34px);display:flex;flex-direction:column;gap:14px}
.tx__card--wide{grid-column:span 1}
.tx__tag{display:inline-flex;align-items:center;gap:8px;align-self:flex-start;
  font-family:var(--f-data);font-size:.66rem;letter-spacing:.12em;text-transform:uppercase;
  color:var(--ink-soft);padding:5px 11px;border-radius:100px;border:1px solid var(--line)}
.tx__tag::before{content:"";width:8px;height:8px;border-radius:50%;background:var(--tg);
  box-shadow:0 0 8px color-mix(in srgb,var(--tg) 60%,transparent)}
.tx__card h3{font-family:var(--f-disp);font-weight:400;font-size:clamp(1.8rem,3vw,2.5rem);
  letter-spacing:-.02em;line-height:1;color:var(--ink)}
.tx__card p{color:var(--muted);font-size:.98rem;text-wrap:pretty;max-width:52ch}
.tx__spec{list-style:none;display:flex;flex-wrap:wrap;gap:8px 22px;margin-top:auto;
  padding-top:14px;border-top:1px solid var(--line-soft)}
.tx__spec li{display:flex;flex-direction:column;gap:2px}
.tx__spec span{font-family:var(--f-data);font-size:.62rem;letter-spacing:.12em;
  text-transform:uppercase;color:var(--muted)}
.tx__spec b{font-family:var(--f-data);font-weight:500;font-size:.86rem;color:var(--ink);
  font-variant-numeric:tabular-nums}

/* ══════════════ PHYSICIANS ══════════════ */
.docs{background:var(--bg2);border-block:1px solid var(--line)}
.docs__intro,.docs__cards{max-width:var(--max);margin-inline:auto;padding-inline:var(--pad)}
.docs__intro{padding-top:clamp(70px,11vh,130px);max-width:min(var(--max),70ch);
  padding-left:var(--pad);padding-right:var(--pad)}
.docs__intro{max-width:var(--max)}
.docs__intro .sec-title,.docs__intro .sec-lede{max-width:60ch}
.docs__creds{display:flex;flex-wrap:wrap;gap:12px;margin-top:2rem}
.cred{display:flex;flex-direction:column;gap:2px;padding:12px 18px;border:1px solid var(--line);
  border-radius:12px;background:var(--surface)}
.cred b{font-family:var(--f-data);font-weight:600;letter-spacing:.1em;color:var(--acc-ink);font-size:.92rem}
.cred span{font-size:.76rem;color:var(--muted)}
.docs__cards{padding-top:clamp(28px,4vh,44px);padding-bottom:clamp(70px,11vh,130px);
  display:grid;grid-template-columns:repeat(2,1fr);gap:clamp(16px,2.5vw,28px)}
.doc{display:grid;grid-template-columns:auto 1fr;gap:clamp(16px,2.5vw,26px);align-items:start;
  padding:clamp(22px,3vw,32px);border:1px solid var(--line);border-radius:var(--r);background:var(--surface)}
.doc--flip{grid-template-columns:1fr auto;direction:ltr}
.doc--flip .doc__mono{order:2}
.doc__mono{color:var(--acc);flex-shrink:0}
.doc__initials{font-family:var(--f-disp);font-size:34px;fill:var(--acc);letter-spacing:.02em}
.doc__body h3{font-family:var(--f-disp);font-weight:420;font-size:clamp(1.4rem,2.4vw,1.9rem);
  letter-spacing:-.01em;line-height:1.05;color:var(--ink)}
.doc__body h3 span{font-family:var(--f-data);font-size:.7rem;letter-spacing:.1em;
  color:var(--muted);vertical-align:middle;margin-left:6px}
.doc__role{font-family:var(--f-data);font-size:.72rem;letter-spacing:.1em;text-transform:uppercase;
  color:var(--acc-ink);margin:6px 0 12px}
.doc__bio{color:var(--muted);font-size:.95rem;text-wrap:pretty}
.doc__facts{list-style:none;display:flex;gap:26px;margin-top:16px;padding-top:14px;border-top:1px solid var(--line-soft)}
.doc__facts b{display:block;font-family:var(--f-data);font-weight:600;font-size:1.3rem;color:var(--ink);
  font-variant-numeric:tabular-nums}
.doc__facts span{font-size:.72rem;color:var(--muted)}

/* ══════════════ OUTCOMES ══════════════ */
.out{max-width:var(--max);margin-inline:auto;padding:clamp(70px,11vh,130px) var(--pad)}
.out__wrap{display:grid;grid-template-columns:1.05fr .95fr;gap:clamp(32px,5vw,72px);align-items:start}
.chart{margin-top:clamp(24px,4vh,40px);border:1px solid var(--line);border-radius:var(--r);
  padding:20px;background:var(--surface)}
.chart__svg{width:100%;height:auto;aspect-ratio:520/240}
.chart__grid{stroke:var(--line);stroke-width:1}
.chart__area{fill:var(--acc);opacity:.1}
.chart__line{fill:none;stroke:var(--acc);stroke-width:2.5;stroke-linecap:round;stroke-linejoin:round}
.chart__dot{fill:var(--acc)}
.chart__cap{display:flex;justify-content:space-between;margin-top:14px;
  font-family:var(--f-data);font-size:.74rem;color:var(--muted)}
.chart__cap b{color:var(--ink);font-variant-numeric:tabular-nums}
.stats{list-style:none;display:grid;grid-template-columns:1fr 1fr;gap:1px;
  background:var(--line);border:1px solid var(--line);border-radius:var(--r);overflow:hidden}
.stat{background:var(--surface);padding:clamp(18px,2.5vw,26px)}
.stat__n{display:block;font-family:var(--f-disp);font-weight:440;font-size:clamp(2rem,4vw,3rem);
  line-height:1;letter-spacing:-.02em;color:var(--acc-ink);font-variant-numeric:tabular-nums}
.stat span{display:block;margin-top:8px;font-size:.82rem;color:var(--muted);text-wrap:pretty}
.quote{margin-top:clamp(20px,3vh,32px);padding:clamp(22px,3vw,30px);
  border:1px solid var(--line);border-radius:var(--r);background:var(--surface);position:relative}
.quote p{font-family:var(--f-disp);font-weight:380;font-size:clamp(1.1rem,1.8vw,1.35rem);
  line-height:1.42;letter-spacing:-.01em;color:var(--ink);text-wrap:pretty}
.quote em{font-style:italic;color:var(--acc-ink)}
.quote cite{display:block;margin-top:14px;font-family:var(--f-data);font-style:normal;
  font-size:.76rem;letter-spacing:.06em;color:var(--muted)}

/* ══════════════ BOOK ══════════════ */
.book{background:var(--screen);color:var(--screen-ink);border-top:1px solid var(--line)}
.book__wrap{max-width:var(--max);margin-inline:auto;padding:clamp(70px,11vh,130px) var(--pad);
  display:grid;grid-template-columns:1fr 1fr;gap:clamp(32px,5vw,72px);align-items:center}
.book .sec-k{color:var(--acc)}
.book .sec-title{color:var(--screen-ink)}
.book .sec-lede{color:color-mix(in srgb,var(--screen-ink) 66%,transparent)}
.book__list{list-style:none;display:grid;gap:10px;margin:24px 0}
.book__list li{display:flex;align-items:center;gap:12px;color:var(--screen-ink);
  font-size:.96rem;opacity:.86}
.book__list li::before{content:"";width:16px;height:16px;border-radius:50%;flex-shrink:0;
  background:radial-gradient(circle,var(--acc) 40%,transparent 42%);
  border:1px solid color-mix(in srgb,var(--acc) 60%,transparent)}
.book__ph{font-family:var(--f-data);font-size:.8rem;letter-spacing:.04em;
  color:color-mix(in srgb,var(--screen-ink) 60%,transparent)}
.book__ph b{color:var(--acc)}

.form{background:color-mix(in srgb,var(--screen-ink) 5%,var(--screen));
  border:1px solid var(--screen-line);border-radius:calc(var(--r) + 2px);
  padding:clamp(22px,3vw,32px);display:grid;gap:16px}
.form__k{color:var(--acc)}
.field{display:grid;gap:6px}
.field label{font-size:.82rem;color:color-mix(in srgb,var(--screen-ink) 78%,transparent)}
.field input,.field select{width:100%;padding:12px 14px;border-radius:10px;
  border:1px solid var(--screen-line);background:rgba(255,255,255,.03);color:var(--screen-ink);
  font-family:var(--f-body);font-size:.95rem;transition:border-color .2s var(--ease),box-shadow .2s var(--ease)}
.field input::placeholder{color:color-mix(in srgb,var(--screen-ink) 40%,transparent)}
.field input:focus,.field select:focus{outline:none;border-color:var(--acc);
  box-shadow:0 0 0 3px var(--acc-glow)}
.select-wrap{position:relative}
.select-wrap::after{content:"";position:absolute;right:16px;top:50%;width:8px;height:8px;
  border-right:2px solid var(--acc);border-bottom:2px solid var(--acc);
  transform:translateY(-70%) rotate(45deg);pointer-events:none}
.field select{appearance:none;-webkit-appearance:none}
.field.is-invalid input,.field.is-invalid select{border-color:var(--c-redness)}
.err{font-family:var(--f-data);font-size:.72rem;color:var(--c-redness);min-height:1em;letter-spacing:.02em}
.btn--submit{background:var(--acc);color:var(--screen);padding:14px;font-weight:600;font-size:.98rem;
  border-radius:10px}
.btn--submit:hover{transform:translateY(-2px);box-shadow:0 12px 28px var(--acc-glow)}
.form__ok{background:var(--acc-glow);border:1px solid var(--acc);border-radius:10px;
  padding:14px;color:var(--acc);font-size:.9rem;text-wrap:pretty}
.form__fine{font-size:.76rem;color:color-mix(in srgb,var(--screen-ink) 52%,transparent);text-align:center}

/* ══════════════ FOOTER ══════════════ */
.foot{background:var(--bg2);border-top:1px solid var(--line)}
.foot__in{max-width:var(--max);margin-inline:auto;padding:clamp(48px,7vh,80px) var(--pad) 32px;
  display:grid;grid-template-columns:1.2fr 2fr;gap:40px}
.foot__brand p{color:var(--muted);font-size:.9rem;margin-top:12px;max-width:32ch}
.foot__cols{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.foot__cols div{display:flex;flex-direction:column;gap:8px}
.foot__cols b{font-family:var(--f-data);font-size:.68rem;letter-spacing:.16em;text-transform:uppercase;
  color:var(--ink);margin-bottom:4px}
.foot__cols a,.foot__cols span{font-size:.86rem;color:var(--muted)}
.foot__cols a:hover{color:var(--acc-ink)}
.foot__legal{max-width:var(--max);margin-inline:auto;padding:20px var(--pad);
  border-top:1px solid var(--line);display:flex;justify-content:space-between;flex-wrap:wrap;gap:8px;
  font-family:var(--f-data);font-size:.72rem;color:var(--muted);letter-spacing:.04em}

/* ══════════════ REVEAL ══════════════ */
[data-rv]{opacity:0;transform:translateY(26px);transition:opacity .8s var(--ease),transform .8s var(--ease)}
[data-rv].in{opacity:1;transform:none}

/* ══════════════ RESPONSIVE ══════════════ */
@media (max-width:1000px){
  .hero__wrap{grid-template-columns:1fr;gap:28px}
  .out__wrap{grid-template-columns:1fr;gap:36px}
  .book__wrap{grid-template-columns:1fr;gap:32px}
}
@media (max-width:820px){
  .nav__links,.btn--nav{display:none}
  .hamburger{display:flex}
  .mobilenav{display:block;position:absolute;left:0;right:0;top:100%;
    background:color-mix(in srgb,var(--bg) 96%,transparent);
    backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
    border-bottom:1px solid var(--line);padding:12px var(--pad) 20px;
    flex-direction:column;gap:4px}
  .mobilenav a{padding:12px 0;font-size:1.05rem;color:var(--ink);border-bottom:1px solid var(--line-soft)}
  .mobilenav .btn--nav{display:inline-block;text-align:center;margin-top:12px;border-bottom:0}
  .device__body{grid-template-columns:1fr}
  .device__rail{border-left:0;border-top:1px solid var(--line)}
  .tx__grid,.docs__cards,.stats{grid-template-columns:1fr}
  .doc--flip .doc__mono{order:0}
  .doc--flip{grid-template-columns:auto 1fr}
  .foot__in{grid-template-columns:1fr;gap:28px}
}
@media (max-width:560px){
  .tx__card,.doc{grid-column:auto}
  .doc{grid-template-columns:1fr;text-align:left}
  .doc__mono svg{width:88px;height:88px}
  .foot__cols{grid-template-columns:1fr 1fr}
  .foot__legal{flex-direction:column}
  .metric{grid-template-columns:58px 1fr 28px}
}

/* ══════════════ REDUCED MOTION ══════════════ */
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms!important;animation-iteration-count:1!important;
    transition-duration:.001ms!important;scroll-behavior:auto!important}
  [data-rv]{opacity:1;transform:none}
  .device__led{opacity:1}
  .hero__scroll span{animation:none;opacity:.7}
}
html{scroll-behavior:smooth}