/* ============================================================
   ARCKOS AI — Institutional site
   Monochrome system. Chess + circuitry motif. Restraint.
   ============================================================ */

:root{
  /* color */
  --bg:#ffffff;
  --bg-soft:#fafafa;
  --bg-ink:#0c0c0d;
  --ink:#111111;
  --ink-2:#5a5a5a;
  --ink-3:#8c8c8c;
  --line:#eaeaea;
  --line-soft:#f1f1f1;
  --accent:#111111;        /* tweakable */
  --accent-2:#111111;
  --on-accent:#ffffff;

  /* type — Golden Ratio scale (1.618) */
  --font-display:'General Sans','Geist',system-ui,sans-serif;   /* tweakable */
  --font-body:'General Sans','Geist',system-ui,sans-serif;
  --font-mono:'Geist Mono',ui-monospace,'SF Mono',menlo,monospace;

  /* Golden ratio typography scale */
  --fs-base: clamp(16px, 1.1vw, 18px);
  --fs-sm: calc(var(--fs-base) * 0.786);
  --fs-md: var(--fs-base);
  --fs-lg: calc(var(--fs-base) * 1.236);
  --fs-xl: calc(var(--fs-base) * 1.618);
  --fs-2xl: calc(var(--fs-base) * 2.618);
  --fs-3xl: calc(var(--fs-base) * 4.236);

  /* shape */
  --r-card:16px;
  --r-btn:11px;
  --r-chip:999px;

  /* shadow — refined premium */
  --sh-1: 0 1px 2px rgba(17,17,17,.04), 0 0px 1px rgba(17,17,17,.08);
  --sh-2: 0 2px 4px rgba(17,17,17,.06), 0 8px 20px rgba(17,17,17,.09);
  --sh-3: 0 4px 8px rgba(17,17,17,.08), 0 20px 60px rgba(17,17,17,.14);
  --sh-4: 0 6px 12px rgba(17,17,17,.1), 0 32px 80px rgba(17,17,17,.18);

  /* glassmorphism */
  --glass: rgba(255,255,255,.72);
  --glass-strong: rgba(255,255,255,.82);
  --glow-subtle: 0 0 20px rgba(17,17,17,.05);

  /* layout */
  --maxw:1180px;
  --gutter:clamp(20px,5vw,40px);
  --reveal-ease:cubic-bezier(.22,.61,.36,1);
}

*{box-sizing:border-box}
html{
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
  scroll-behavior:smooth;
  transition:background-color .3s ease, color .3s ease;
}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:var(--font-body);
  font-size:var(--fs-base);
  line-height:1.65;
  letter-spacing:-0.012em;
  overflow-x:hidden;
}
a{color:inherit;text-decoration:none}
img{display:block;max-width:100%}
button{font-family:inherit}
::selection{background:#111;color:#fff}

/* ============================================================
   ANIMATIONS & EFFECTS — Premium transitions
   ============================================================ */

/* Smooth section fade-in with stagger */
@keyframes sectionFadeIn {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes slideUpStagger {
  from { opacity: 0; transform: translateY(40px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Floating animation for accent elements */
@keyframes floatUp {
  0%, 100% { transform: translateY(0px); }
  50% { transform: translateY(-8px); }
}

.section { animation: sectionFadeIn 0.8s var(--reveal-ease) both; }
.section:nth-child(2) { animation-delay: 0.1s; }
.section:nth-child(3) { animation-delay: 0.2s; }
.section:nth-child(4) { animation-delay: 0.3s; }
.section:nth-child(5) { animation-delay: 0.4s; }
.section:nth-child(6) { animation-delay: 0.5s; }

/* Counter number animation */
@keyframes countUp {
  from { opacity: 0.7; transform: scale(0.95); }
  to { opacity: 1; transform: scale(1); }
}

.counter.animate {
  animation: countUp 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
}

/* Accessibility: focus indicators */
:focus-visible{
  outline:2px solid var(--accent);
  outline-offset:2px;
}
button:focus-visible,
a:focus-visible{
  outline:2px solid var(--accent);
  outline-offset:2px;
}
input:focus-visible,
textarea:focus-visible{
  outline:2px solid var(--accent);
  outline-offset:0;
}

/* skip-to-content link (a11y) */
.skip-link{
  position:absolute;
  left:-9999px;
  top:0;
  z-index:999;
  background:var(--accent);
  color:var(--on-accent);
  padding:10px 18px;
  border-radius:var(--r-btn);
  font-weight:500;
  font-size:.9rem;
}
.skip-link:focus{
  left:20px;
  top:20px;
}

/* ---------- layout helpers ---------- */
.wrap{max-width:var(--maxw);margin:0 auto;padding-inline:var(--gutter)}
.section{padding-block:clamp(80px,11vw,150px);position:relative}
.section--soft{background:var(--bg-soft)}
.section--ink{background:var(--bg-ink);color:#f4f4f5}
.divider{height:1px;background:var(--line);border:0;margin:0}

/* ---------- type ---------- */
.eyebrow{
  font-family:var(--font-mono);
  font-size:12px;
  letter-spacing:.16em;
  text-transform:uppercase;
  color:var(--ink-3);
  display:inline-flex;align-items:center;gap:10px;
  margin:0 0 22px;
}
.eyebrow::before{content:"";width:18px;height:1px;background:currentColor;opacity:.7}
.eyebrow--center{justify-content:center}
.eyebrow--center::before{display:none}

h1,h2,h3{font-family:var(--font-display);font-weight:600;letter-spacing:-0.03em;line-height:1.04;margin:0}
.display{
  font-size:clamp(2.6rem,6vw,4.7rem);
  font-weight:600;
  line-height:1.02;
  letter-spacing:-0.035em;
}
.h2{font-size:clamp(2rem,4.2vw,3.1rem);letter-spacing:-0.032em;line-height:1.06}
.h3{font-size:clamp(1.25rem,2vw,1.5rem);letter-spacing:-0.02em;line-height:1.15}
.lead{font-size:clamp(1.05rem,1.5vw,1.28rem);color:var(--ink-2);line-height:1.55;font-weight:400;letter-spacing:-0.012em}
.muted{color:var(--ink-2)}
.measure{max-width:42ch}
.measure-wide{max-width:60ch}
.balance{text-wrap:balance}
.pretty{text-wrap:pretty}

/* ---------- buttons ---------- */
.btn{
  --pad:14px 22px;
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:var(--pad);
  font-size:.95rem;font-weight:500;letter-spacing:-0.01em;
  border-radius:var(--r-btn);
  border:1px solid transparent;
  cursor:pointer;
  transition:transform .35s var(--reveal-ease), background .25s ease, color .25s ease, border-color .25s ease, box-shadow .35s ease;
  white-space:nowrap;
}
.btn .ar{transition:transform .35s var(--reveal-ease)}
.btn:hover .ar{transform:translateX(3px)}
.btn--primary{
  background:var(--accent);
  color:var(--on-accent);
  box-shadow:var(--sh-1);
  position:relative;
  overflow:hidden;
}
.btn--primary::before{
  content:'';
  position:absolute;
  inset:0;
  background:linear-gradient(135deg, rgba(255,255,255,.1) 0%, transparent 50%);
  opacity:0;
  transition:opacity .3s ease;
}
.btn--primary:hover{
  transform:translateY(-2px);
  box-shadow:var(--sh-2);
  filter:brightness(1.05);
}
.btn--primary:hover::before{ opacity:1; }
.btn--primary:active{ transform:translateY(0); }
.btn--ghost{
  background:transparent;
  color:var(--ink);
  border-color:var(--line);
  transition:all .3s ease;
}
.btn--ghost:hover{
  border-color:var(--ink);
  background:rgba(17,17,17,.02);
  transform:translateY(-2px);
  box-shadow:var(--sh-1);
  filter:brightness(0.98);
}
.btn--sm{--pad:10px 16px;font-size:.875rem;border-radius:9px}
.btn--block{width:100%}
.btn--ink{background:#fff;color:#111}
.btn--ink:hover{background:#f1f1f1}

/* link with arrow */
.tlink{display:inline-flex;align-items:center;gap:8px;font-weight:500;font-size:.95rem;color:var(--ink);position:relative}
.tlink .ar{transition:transform .35s var(--reveal-ease)}
.tlink:hover .ar{transform:translateX(3px)}
.tlink::after{content:"";position:absolute;left:0;right:18px;bottom:-3px;height:1px;background:currentColor;transform:scaleX(0);transform-origin:left;transition:transform .4s var(--reveal-ease);opacity:.35}
.tlink:hover::after{transform:scaleX(1);opacity:1}
.tlink:hover .ar{
  transform:translateX(4px);
  color:var(--accent);
}

/* ---------- chips / badges ---------- */
.chips{display:flex;flex-wrap:wrap;gap:10px}
.chip{
  display:inline-flex;align-items:center;gap:8px;
  padding:8px 14px;
  border:1px solid var(--line);
  border-radius:var(--r-chip);
  font-family:var(--font-mono);
  font-size:12px;letter-spacing:.04em;
  color:var(--ink-2);
  background:#fff;
  transition:border-color .3s ease,color .3s ease,transform .3s ease;
}
.chip .dot{width:5px;height:5px;border-radius:50%;background:var(--ink);opacity:.55}
.chip:hover{
  border-color:#c8c8c8;
  color:var(--ink);
  transform:translateY(-2px);
  background:#fff;
  box-shadow:0 6px 14px rgba(17,17,17,.06);
}

/* ============================================================
   HEADER
   ============================================================ */
.header{
  position:fixed;inset:0 0 auto 0;z-index:90;
  height:64px;
  display:flex;align-items:center;
  border-bottom:1px solid transparent;
  transition:background .4s ease,border-color .4s ease,backdrop-filter .4s ease;
}
.header.scrolled{
  background:var(--glass);
  backdrop-filter:saturate(200%) blur(20px);
  -webkit-backdrop-filter:saturate(200%) blur(20px);
  border-bottom:1px solid rgba(17,17,17,.06);
  box-shadow:var(--sh-1);
}
.header__in{display:flex;align-items:center;justify-content:space-between;gap:24px;width:100%}
.brand{display:flex;align-items:center;gap:0;height:30px}
.brand img{height:34px;width:auto}
.nav{display:flex;align-items:center;gap:4px}
.nav__item{position:relative}
.nav__link{
  display:inline-flex;align-items:center;gap:6px;
  padding:9px 14px;border-radius:9px;
  font-size:.93rem;font-weight:500;color:var(--ink-2);
  cursor:pointer;transition:color .25s ease,background .25s ease;
}
.nav__link:hover,.nav__item:hover .nav__link{color:var(--ink);background:#e8e8e8}
.nav__link .car{width:9px;height:9px;transition:transform .3s var(--reveal-ease);opacity:.6}
.nav__item:hover .nav__link .car{transform:rotate(180deg)}
.header__cta{display:flex;align-items:center;gap:10px}

/* dropdown — premium glassmorphism */
.dropdown{
  position:absolute;top:calc(100% + 10px);left:50%;
  transform:translateX(-50%) translateY(8px);
  width:340px;
  background:var(--glass-strong);
  backdrop-filter:saturate(200%) blur(24px);
  -webkit-backdrop-filter:saturate(200%) blur(24px);
  border:1px solid rgba(255,255,255,.3);
  border-radius:16px;
  box-shadow:var(--sh-3);
  padding:8px;
  opacity:0;visibility:hidden;pointer-events:none;
  transition:opacity .28s ease,transform .32s var(--reveal-ease),visibility .28s;
}
.nav__item:hover .dropdown,.dropdown:hover{opacity:1;visibility:visible;pointer-events:auto;transform:translateX(-50%) translateY(0)}
.dd-item{display:flex;gap:13px;align-items:flex-start;padding:12px 13px;border-radius:11px;transition:background .22s ease}
.dd-item:hover{background:#f4f4f5}
.dd-ico{flex:0 0 34px;height:34px;border:1px solid var(--line);border-radius:9px;display:grid;place-items:center;background:#fff;color:var(--ink)}
.dd-ico svg{width:17px;height:17px}
.dd-txt b{display:block;font-family:var(--font-display);font-weight:600;font-size:.95rem;letter-spacing:-0.01em;color:var(--ink)}
.dd-txt span{display:block;font-size:.82rem;color:var(--ink-2);line-height:1.4;margin-top:2px}

/* mobile menu button */
.burger{display:none;width:40px;height:40px;border:1px solid var(--line);border-radius:10px;background:#fff;cursor:pointer;align-items:center;justify-content:center}
.burger span,.burger span::before,.burger span::after{content:"";display:block;width:16px;height:1.4px;background:var(--ink);position:relative;transition:.3s}
.burger span::before{position:absolute;top:-5px}
.burger span::after{position:absolute;top:5px}

/* ============================================================
   HERO
   ============================================================ */
.hero{position:relative;padding-top:148px;padding-bottom:clamp(70px,9vw,120px);overflow:hidden}
.hero__canvas{position:absolute;top:0;right:0;bottom:0;left:55%;width:45%;height:100%;z-index:10;opacity:1;cursor:pointer}
.hero__fade{position:absolute;inset:0;z-index:0;pointer-events:none;
  background:linear-gradient(180deg, transparent 60%, rgba(255,255,255,.6) 95%, var(--bg) 100%);
}
.hero__in{position:relative;z-index:2}
.hero__tag{margin-bottom:28px}
.hero h1{max-width:16ch}
.hero h1 em{font-style:normal;color:var(--ink-3);position:relative}
.hero__sub{margin-top:26px;max-width:54ch}
.hero__cta{display:flex;flex-wrap:wrap;gap:13px;margin-top:38px}
.hero__badges{margin-top:54px;padding-top:28px;border-top:1px solid var(--line)}
.hero__badges .lbl{font-family:var(--font-mono);font-size:11px;letter-spacing:.16em;text-transform:uppercase;color:var(--ink-3);margin-bottom:16px}

/* ============================================================
   SECTION HEADERS
   ============================================================ */
.shead{max-width:64ch}
.shead--center{margin-inline:auto;text-align:center}
.shead .h2{margin-bottom:0}

/* ---------- animated counter ---------- */
.counter{
  display:inline-block;
  font-family:var(--font-display);
  font-weight:700;
  font-size:inherit;
  color:var(--accent);
  min-width:2ch;
}

/* ---------- problem cards ---------- */
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.qcard{
  position:relative;
  padding:30px 28px 34px;
  border:1px solid var(--line);
  border-radius:var(--r-card);
  background:#fff;
  overflow:hidden;
  transition:border-color .4s ease,transform .5s var(--reveal-ease),box-shadow .5s ease;
}
.qcard:hover{
  border-color:#d0d0d0;
  transform:translateY(-4px);
  box-shadow:0 12px 28px rgba(17,17,17,.08);
  background:#fff;
}
.qcard__n{font-family:var(--font-mono);font-size:12px;color:var(--ink-3);letter-spacing:.1em;margin-bottom:auto}
.qcard__top{display:flex;justify-content:space-between;align-items:center;margin-bottom:30px}
.qcard__ico{width:24px;height:24px;color:var(--ink);opacity:.85}
.qcard h3{margin-bottom:12px}
.qcard p{color:var(--ink-2);font-size:1rem;margin:0}
.qcard__line{position:absolute;left:0;bottom:0;height:2px;width:100%;background:var(--ink);transform:scaleX(0);transform-origin:left;transition:transform .6s var(--reveal-ease);opacity:.85}
.qcard:hover .qcard__line{transform:scaleX(1)}

.two-col{display:grid;grid-template-columns:1.05fr .95fr;gap:clamp(36px,6vw,90px);align-items:center}
.two-col--rev .two-col__media{order:-1}

/* visual frame (placeholder canvases / diagrams) */
.frame{
  position:relative;border:1px solid var(--line);border-radius:18px;background:#fff;
  overflow:hidden;box-shadow:var(--sh-2);
}
.frame__bar{height:38px;border-bottom:1px solid var(--line-soft);display:flex;align-items:center;gap:7px;padding:0 14px;background:#fcfcfc}
.frame__bar i{width:9px;height:9px;border-radius:50%;background:#e2e2e2;display:block}
.frame__label{margin-left:auto;font-family:var(--font-mono);font-size:10.5px;letter-spacing:.1em;color:var(--ink-3);text-transform:uppercase}
.frame canvas{display:block;width:100%}

/* ---------- governance pillars ---------- */
.pillars{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}
.pillar{
  display:flex;align-items:center;gap:14px;
  padding:18px 20px;border:1px solid var(--line);border-radius:13px;background:#fff;
  transition:border-color .35s ease,transform .4s var(--reveal-ease),background .35s;
}
.pillar:hover{
  border-color:#d0d0d0;
  transform:translateX(3px);
  background:#fff;
  box-shadow:0 8px 20px rgba(17,17,17,.06);
}
.pillar__ico{flex:0 0 38px;height:38px;border:1px solid var(--line);border-radius:10px;display:grid;place-items:center;color:var(--ink)}
.pillar__ico svg{width:18px;height:18px}
.pillar b{font-family:var(--font-display);font-weight:600;font-size:.98rem;letter-spacing:-0.01em;display:block}
.pillar span{font-size:.82rem;color:var(--ink-2)}

/* layered shields visual */
.layers{position:relative;aspect-ratio:1/1;display:grid;place-items:center}
.layer{
  position:absolute;border:1px solid var(--line);border-radius:20px;background:rgba(255,255,255,.6);
  backdrop-filter:blur(2px);box-shadow:var(--sh-1);
}

/* ============================================================
   SOLUTIONS
   ============================================================ */
.sol-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.sol{
  display:flex;flex-direction:column;
  border:1px solid var(--line);border-radius:var(--r-card);background:#fff;overflow:hidden;
  transition:border-color .4s ease,transform .5s var(--reveal-ease),box-shadow .5s ease;
}
.sol:hover{
  border-color:#d0d0d0;
  transform:translateY(-6px);
  box-shadow:0 16px 36px rgba(17,17,17,.1);
  background:#fff;
}
.sol__media{position:relative;aspect-ratio:16/10;border-bottom:1px solid var(--line);overflow:hidden;background:#fbfbfb}
.sol__media img{display:block;width:100%;height:100%;object-fit:cover}
.sol__body{padding:26px 28px 28px;display:flex;flex-direction:column;gap:0;flex:1}
.sol__kicker{font-family:var(--font-mono);font-size:11px;letter-spacing:.14em;text-transform:uppercase;color:var(--ink-3);margin-bottom:14px}
.sol h3{margin-bottom:11px}
.sol p{color:var(--ink-2);font-size:.98rem;margin:0 0 22px;flex:1}

/* placeholder media */
.ph{position:absolute;inset:0;background:
  repeating-linear-gradient(135deg, #f6f6f7 0 11px, #fbfbfb 11px 22px);}
.ph__tag{position:absolute;left:14px;bottom:13px;font-family:var(--font-mono);font-size:10.5px;letter-spacing:.06em;color:#9a9a9a;background:rgba(255,255,255,.85);border:1px solid var(--line);border-radius:6px;padding:4px 8px;backdrop-filter:blur(4px)}

/* ----- card layout variants (tweakable) ----- */
:root[data-cards="rows"] .sol-grid{grid-template-columns:1fr;gap:16px}
:root[data-cards="rows"] .sol{flex-direction:row;align-items:stretch}
:root[data-cards="rows"] .sol__media{aspect-ratio:auto;width:38%;min-width:240px;border-bottom:0;border-right:1px solid var(--line)}
:root[data-cards="rows"] .sol__body{justify-content:center;padding:30px 34px}

:root[data-cards="compact"] .sol__media{aspect-ratio:21/9}
:root[data-cards="compact"] .sol-grid{grid-template-columns:repeat(2,1fr)}
@media(min-width:900px){
  :root[data-cards="compact"] .sol-grid{grid-template-columns:repeat(4,1fr);gap:14px}
  :root[data-cards="compact"] .sol__media{aspect-ratio:4/3}
  :root[data-cards="compact"] .sol__body{padding:20px 20px 22px}
  :root[data-cards="compact"] .sol p{font-size:.9rem}
}

/* ============================================================
   ENVIRONMENTS / COMPARISON
   ============================================================ */
.cmp{display:grid;grid-template-columns:1fr auto 1fr;gap:0;align-items:stretch;border:1px solid var(--line);border-radius:18px;overflow:hidden;background:#fff;box-shadow:var(--sh-2)}
.cmp__col{padding:32px 30px}
.cmp__col h4{font-family:var(--font-display);font-weight:600;font-size:1.05rem;letter-spacing:-0.01em;margin:0 0 4px;display:flex;align-items:center;gap:9px}
.cmp__col .sub{font-family:var(--font-mono);font-size:11px;letter-spacing:.1em;text-transform:uppercase;color:var(--ink-3);margin-bottom:22px}
.cmp__mid{width:1px;background:var(--line)}
.cmp__col--a{background:#fbfbfb}
.cmp-row{display:flex;align-items:flex-start;gap:11px;padding:11px 0;border-top:1px solid var(--line-soft);font-size:.94rem;color:var(--ink-2)}
.cmp-row:first-of-type{border-top:0}
.cmp-row svg{flex:0 0 17px;margin-top:2px}
.cmp-row.bad svg{color:#b9b9b9}
.cmp-row.good svg{color:var(--ink)}
.cmp-row.good{color:var(--ink)}

/* ============================================================
   FAQ + CONTACT
   ============================================================ */
.faq{border-top:1px solid var(--line)}
.faq__item{border-bottom:1px solid var(--line)}
.faq__q{width:100%;background:none;border:0;cursor:pointer;text-align:left;
  display:flex;align-items:center;justify-content:space-between;gap:24px;
  padding:24px 4px;font-family:var(--font-display);font-weight:500;font-size:1.12rem;letter-spacing:-0.015em;color:var(--ink)}
.faq__q .pm{position:relative;flex:0 0 18px;height:18px}
.faq__q .pm::before,.faq__q .pm::after{content:"";position:absolute;background:var(--ink);transition:transform .35s var(--reveal-ease),opacity .3s}
.faq__q .pm::before{top:8px;left:0;width:18px;height:1.5px}
.faq__q .pm::after{left:8px;top:0;width:1.5px;height:18px}
.faq__item.open .pm::after{transform:scaleY(0)}
.faq__a{overflow:hidden;max-height:0;transition:max-height .45s var(--reveal-ease)}
.faq__a .inner{padding:0 4px 26px;color:var(--ink-2);max-width:64ch;font-size:1rem}

/* form */
.form{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.field{display:flex;flex-direction:column;gap:7px}
.field--full{grid-column:1/-1}
.field label{font-size:.82rem;font-weight:500;color:var(--ink-2);letter-spacing:-0.005em}
.field label .req{color:var(--ink-3)}
.field input,.field textarea{
  font-family:inherit;font-size:.97rem;color:var(--ink);
  padding:13px 15px;border:1px solid var(--line);border-radius:11px;background:#fff;
  transition:border-color .25s ease,box-shadow .25s ease;width:100%;
}
.field textarea{resize:vertical;min-height:120px;line-height:1.5}
.field input::placeholder,.field textarea::placeholder{color:#b3b3b3}
.field input:focus,.field textarea:focus{outline:none;border-color:#111;box-shadow:0 0 0 3px rgba(17,17,17,.07)}
.field.err input,.field.err textarea{border-color:#c0392b;box-shadow:0 0 0 3px rgba(192,57,43,.08)}
.field .msg{font-size:.78rem;color:#c0392b;min-height:0;opacity:0;transition:opacity .2s}
.field.err .msg{opacity:1}
.form__foot{grid-column:1/-1;display:flex;align-items:center;justify-content:space-between;gap:18px;flex-wrap:wrap;margin-top:6px}
.form__note{font-size:.8rem;color:var(--ink-3);max-width:38ch}
.form-success{
  border:1px solid var(--line);border-radius:var(--r-card);padding:44px 40px;background:#fff;text-align:center;
  display:flex;flex-direction:column;align-items:center;gap:14px;
}
.form-success .ok{width:52px;height:52px;border-radius:50%;border:1px solid var(--line);display:grid;place-items:center;color:var(--ink)}
.hidden{display:none!important}

/* ============================================================
   FOOTER
   ============================================================ */
.footer{background:var(--bg-ink);color:#e7e7e8;padding-block:clamp(70px,10vw,120px) 44px}
.footer__statement{font-family:var(--font-display);font-weight:500;font-size:clamp(1.6rem,3.4vw,2.6rem);letter-spacing:-0.03em;line-height:1.16;max-width:22ch;color:#fff}
.footer__statement em{font-style:normal;color:#7e7e85}
.footer__mid{display:flex;justify-content:space-between;align-items:flex-end;gap:40px;flex-wrap:wrap;margin-top:clamp(50px,8vw,90px);padding-top:40px;border-top:1px solid rgba(255,255,255,.12)}
.footer__brand img{height:30px;width:auto;margin-bottom:14px}
.footer__brand p{color:#9a9aa1;font-size:.92rem;margin:0;max-width:30ch}
.footer__links{display:flex;gap:48px;flex-wrap:wrap}
.footer__links h5{font-family:var(--font-mono);font-size:11px;letter-spacing:.12em;text-transform:uppercase;color:#737379;margin:0 0 14px;font-weight:400}
.footer__links a{display:block;color:#bdbdc2;font-size:.92rem;padding:5px 0;transition:color .25s}
.footer__links a:hover{color:#fff}
.footer__base{display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap;margin-top:40px;color:#6c6c72;font-size:.82rem;font-family:var(--font-mono);letter-spacing:.03em}

/* ============================================================
   REVEAL ANIMATIONS
   ============================================================ */
/* opacity snaps on (transition-free → never freezes hidden); motion carried by transform slide */
[data-reveal]{opacity:0;transform:translateY(24px);transition:transform .85s var(--reveal-ease)}
[data-reveal].in{opacity:1;transform:none}
[data-reveal][data-d="1"]{transition-delay:.08s}
[data-reveal][data-d="2"]{transition-delay:.16s}
[data-reveal][data-d="3"]{transition-delay:.24s}
[data-reveal][data-d="4"]{transition-delay:.32s}
:root[data-motion="off"] [data-reveal]{opacity:1!important;transform:none!important;transition:none!important}

/* ============================================================
   LIGHT MODE ONLY — Minimalist Apple aesthetic
   Pure light mode, no dark mode
   ============================================================ */

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media(max-width:980px){
  .two-col{grid-template-columns:1fr;gap:40px}
  .two-col--rev .two-col__media{order:0}
  .grid-3{grid-template-columns:1fr}
  .pillars{grid-template-columns:1fr}
  .sol-grid{grid-template-columns:1fr}
  :root[data-cards="rows"] .sol{flex-direction:column}
  :root[data-cards="rows"] .sol__media{width:100%;border-right:0;border-bottom:1px solid var(--line);min-width:0}
  :root[data-cards="compact"] .sol-grid{grid-template-columns:1fr 1fr}
  .cmp{grid-template-columns:1fr}
  .cmp__mid{height:1px;width:100%}
}
@media(max-width:880px){
  .display { font-size: clamp(2.4rem, 5.5vw, 3.6rem); }
  .h2 { font-size: clamp(1.8rem, 3.8vw, 2.6rem); }
  .grid-3 { grid-template-columns: 1fr 1fr; }
  .sol-grid { grid-template-columns: 1fr 1fr; }
}

@media(max-width:760px){
  body { font-size: clamp(15px, 1vw, 16px); line-height: 1.65; }
  .display { font-size: clamp(2rem, 5vw, 2.8rem); }
  .h2 { font-size: clamp(1.5rem, 3.5vw, 2.2rem); }
  .h3 { font-size: clamp(1.1rem, 2vw, 1.4rem); }
  .nav,.header__cta .btn--ghost{display:none}
  .burger{display:flex}
  .form{grid-template-columns:1fr}
  .footer__mid{align-items:flex-start}
  .grid-3, .sol-grid, .pillars { grid-template-columns: 1fr; }
  :root[data-cards="compact"] .sol-grid{grid-template-columns:1fr}
  .two-col { gap: 24px; }
  .hero__canvas { left: 0; width: 100%; }
}

/* mobile drawer */
.drawer{position:fixed;inset:64px 0 0 0;z-index:80;background:rgba(255,255,255,.97);backdrop-filter:blur(20px);
  padding:24px var(--gutter);transform:translateY(-12px);opacity:0;visibility:hidden;transition:.35s var(--reveal-ease);overflow:auto}
.drawer.open{transform:none;opacity:1;visibility:visible}
.drawer a{display:block;padding:16px 0;border-bottom:1px solid var(--line);font-family:var(--font-display);font-weight:500;font-size:1.3rem;letter-spacing:-0.02em}
.drawer .btn{margin-top:24px;width:100%}