/* ============================================================
   LABII REATUM — design system v3
   Light · minimal · premium · single calm accent
   ============================================================ */

:root {
  --bg: #FFFFFF;
  --bg-1: #FAFAF9;       /* off-white section */
  --bg-2: #F3F3F1;
  --line: rgba(17,18,20,0.09);
  --line-2: rgba(17,18,20,0.16);
  --text: #0E0F12;
  --muted: #585E66;
  --muted-2: #8A9099;
  --accent: #2563EB;     /* calm blue */
  --accent-2: #4F46E5;   /* indigo, for subtle gradient only */
  --accent-soft: rgba(37,99,235,0.08);
  --card: #FFFFFF;
  --shadow-sm: 0 1px 2px rgba(17,18,20,.05);
  --shadow: 0 1px 2px rgba(17,18,20,.04), 0 10px 30px -14px rgba(17,18,20,.16);
  --shadow-lg: 0 1px 2px rgba(17,18,20,.04), 0 24px 48px -20px rgba(17,18,20,.22);
  --max: 1160px;
  --r: 16px;
  --ease: cubic-bezier(.21,.7,.35,1);
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Inter", "Segoe UI", Arial, sans-serif;
  font-size: 17px;
  line-height: 1.6;
  letter-spacing: -0.011em;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

/* faint top tint + grid, very subtle */
body::before {
  content: ""; position: fixed; inset: 0; z-index: -2; pointer-events: none;
  background:
    radial-gradient(900px 520px at 84% -8%, rgba(37,99,235,0.06), transparent 60%),
    radial-gradient(700px 420px at 0% 0%, rgba(79,70,229,0.04), transparent 55%);
}
body::after {
  content: ""; position: fixed; inset: 0; z-index: -1; opacity: 1; pointer-events: none;
  background-image:
    linear-gradient(rgba(17,18,20,0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(17,18,20,0.025) 1px, transparent 1px);
  background-size: 64px 64px;
  -webkit-mask-image: radial-gradient(circle at 50% 0%, #000 0%, transparent 70%);
          mask-image: radial-gradient(circle at 50% 0%, #000 0%, transparent 70%);
}

a { color: var(--accent); text-decoration: none; }
a:hover { color: var(--accent-2); }

.wrap { max-width: var(--max); margin: 0 auto; padding: 0 28px; }

.grad-text {
  background: linear-gradient(100deg, var(--accent) 5%, var(--accent-2) 95%);
  -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent; color: transparent;
}

/* ---------- Logo ---------- */
.logo { display: inline-flex; align-items: center; gap: 12px; }
.logo:hover { color: var(--text); }
.logo .mark {
  width: 34px; height: 34px; border-radius: 9px; flex: none;
  display: grid; place-items: center;
  background: linear-gradient(150deg, #15161a, #0c0d10);
  box-shadow: var(--shadow-sm), inset 0 1px 0 rgba(255,255,255,.08);
}
.logo .mark svg { width: 19px; height: 19px; display: block; }
.logo .word { font-weight: 800; letter-spacing: 1.5px; font-size: 16px; text-transform: uppercase; color: var(--text); }

/* ---------- Header ---------- */
header.site {
  position: sticky; top: 0; z-index: 50;
  background: rgba(255,255,255,0.72);
  backdrop-filter: saturate(180%) blur(16px);
  -webkit-backdrop-filter: saturate(180%) blur(16px);
  border-bottom: 1px solid var(--line);
}
header.site .wrap { display: flex; align-items: center; justify-content: space-between; height: 72px; }
nav.main { display: flex; align-items: center; gap: 30px; }
nav.main a { color: var(--muted); font-size: 13.5px; font-weight: 600; letter-spacing: 0.2px; transition: color .2s var(--ease); }
nav.main a:hover { color: var(--text); }
nav.main .btn-sm { color: #fff; background: var(--accent); padding: 9px 18px; border-radius: 999px; font-size: 13px; box-shadow: var(--shadow-sm); }
nav.main .btn-sm:hover { color: #fff; background: var(--accent-2); }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; gap: 9px;
  font-weight: 700; font-size: 15px;
  padding: 15px 26px; border-radius: 12px;
  border: 1px solid transparent; cursor: pointer;
  transition: transform .18s var(--ease), box-shadow .25s var(--ease), background .2s, border-color .2s;
}
.btn:hover { transform: translateY(-2px); }
.btn-primary { color: #fff; background: var(--accent); box-shadow: 0 8px 22px -10px rgba(37,99,235,.6); }
.btn-primary:hover { color: #fff; background: var(--accent-2); box-shadow: 0 14px 30px -10px rgba(37,99,235,.6); }
.btn-ghost { color: var(--text); border-color: var(--line-2); background: #fff; box-shadow: var(--shadow-sm); }
.btn-ghost:hover { color: var(--text); border-color: var(--text); }

/* ---------- Hero ---------- */
.hero { padding: 96px 0 104px; position: relative; }
.hero-grid { display: grid; grid-template-columns: 1.05fr 0.95fr; gap: 56px; align-items: center; }
.eyebrow {
  display: inline-flex; align-items: center; gap: 9px;
  font-size: 12.5px; letter-spacing: 1.2px; text-transform: uppercase; font-weight: 700;
  color: var(--accent); background: var(--accent-soft);
  border: 1px solid rgba(37,99,235,0.18); padding: 7px 14px; border-radius: 999px; margin-bottom: 26px;
}
.eyebrow .dot { width: 7px; height: 7px; border-radius: 50%; background: var(--accent); }
.hero h1 { font-size: clamp(40px, 6.2vw, 68px); line-height: 1.02; letter-spacing: -0.035em; font-weight: 800; }
.hero p.lead { margin-top: 26px; font-size: clamp(17px, 1.6vw, 20px); color: var(--muted); max-width: 52ch; }
.cta-row { margin-top: 38px; display: flex; gap: 14px; flex-wrap: wrap; }
.trust { margin-top: 30px; display: flex; gap: 26px; flex-wrap: wrap; color: var(--muted-2); font-size: 13.5px; }
.trust b { color: var(--text); font-weight: 700; }

/* hero abstract visual — floating app cards */
.hero-visual { position: relative; height: 440px; }
.orb {
  position: absolute; border-radius: 22px; background: #fff;
  --px: 0px; --py: 0px;
  border: 1px solid var(--line); box-shadow: var(--shadow);
  display: grid; place-items: center; animation: float 7s ease-in-out infinite;
}
.orb svg { width: 46%; height: 46%; }
.orb.a { width: 168px; height: 168px; left: 16%; top: 8%; animation-delay: 0s; }
.orb.b { width: 134px; height: 134px; right: 8%; top: 2%; animation-delay: .8s; }
.orb.c { width: 150px; height: 150px; right: 14%; bottom: 6%; animation-delay: 1.6s; }
.orb.d { width: 120px; height: 120px; left: 6%; bottom: 12%; animation-delay: 2.2s; }
.orb.glow { background: linear-gradient(150deg, var(--accent), var(--accent-2)); border-color: transparent; box-shadow: 0 24px 50px -18px rgba(37,99,235,.55); }
.hero-visual .halo { position: absolute; inset: 14% 18%; border-radius: 50%; background: radial-gradient(circle, rgba(37,99,235,.12), transparent 65%); filter: blur(10px); z-index: -1; }
@keyframes float {
  0%,100% { transform: translate(var(--px,0px), var(--py,0px)); }
  50%     { transform: translate(var(--px,0px), calc(var(--py,0px) - 14px)); }
}
@media (prefers-reduced-motion: reduce) { .orb { animation: none; } }

/* ---------- Sections ---------- */
section { padding: 96px 0; position: relative; }
.divide { border-top: 1px solid var(--line); }
#what, #approach { background: var(--bg-1); }
.section-head { max-width: 64ch; margin-bottom: 52px; }
.kicker { color: var(--accent); font-size: 12.5px; letter-spacing: 1.2px; text-transform: uppercase; font-weight: 700; }
.section-head h2 { margin-top: 16px; font-size: clamp(28px, 4vw, 42px); letter-spacing: -0.03em; font-weight: 800; line-height: 1.1; }
.section-head p { margin-top: 18px; color: var(--muted); font-size: 18px; }

/* ---------- Cards ---------- */
.grid { display: grid; gap: 20px; }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-2 { grid-template-columns: repeat(2, 1fr); }

.card {
  background: var(--card); border: 1px solid var(--line); border-radius: var(--r);
  padding: 32px 30px; box-shadow: var(--shadow-sm);
  transition: transform .25s var(--ease), box-shadow .25s, border-color .25s;
  position: relative; overflow: hidden;
}
.card:hover { transform: translateY(-4px); box-shadow: var(--shadow); border-color: var(--line-2); }
.card .ico { width: 46px; height: 46px; border-radius: 12px; display: grid; place-items: center; background: var(--accent-soft); border: 1px solid rgba(37,99,235,0.18); margin-bottom: 20px; }
.card .ico svg { width: 22px; height: 22px; }
.card .num { font-size: 12.5px; letter-spacing: 0.8px; font-weight: 800; color: var(--accent); }
.card h3 { margin: 12px 0 10px; font-size: 20px; font-weight: 700; letter-spacing: -0.015em; }
.card p { color: var(--muted); font-size: 15.5px; }

/* portfolio card with abstract graphic header */
.pcard { padding: 0; }
.pcard .art {
  height: 160px; border-bottom: 1px solid var(--line);
  background:
    radial-gradient(130px 90px at 30% 30%, rgba(37,99,235,.16), transparent 70%),
    radial-gradient(150px 110px at 80% 70%, rgba(79,70,229,.12), transparent 70%),
    linear-gradient(160deg, #fff, #f3f5fb);
  display: grid; place-items: center;
}
.pcard .art svg { width: 56px; height: 56px; }
.pcard .body { padding: 26px 30px 30px; }
.pill { display: inline-block; font-size: 11.5px; font-weight: 700; letter-spacing: 0.8px; text-transform: uppercase; color: var(--accent); background: var(--accent-soft); border: 1px solid rgba(37,99,235,0.18); padding: 5px 11px; border-radius: 999px; margin-bottom: 15px; }

/* ---------- Approach split ---------- */
.split { display: grid; grid-template-columns: 1.05fr 0.95fr; gap: 56px; align-items: center; }
.split h2 { font-size: clamp(28px, 4vw, 38px); letter-spacing: -0.03em; font-weight: 800; line-height: 1.12; }
.split p { color: var(--muted); margin-top: 18px; font-size: 17px; }
.stat-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.stat { background: #fff; border: 1px solid var(--line); border-radius: var(--r); padding: 26px 24px; box-shadow: var(--shadow-sm); transition: transform .25s var(--ease), box-shadow .25s; }
.stat:hover { transform: translateY(-3px); box-shadow: var(--shadow); }
.stat .big { font-size: 30px; font-weight: 800; letter-spacing: -0.03em; }
.stat .lab { color: var(--muted); font-size: 13.5px; margin-top: 5px; }

/* ---------- CTA band ---------- */
.cta-band {
  border: 1px solid var(--line); border-radius: 24px; padding: 58px 48px; text-align: center;
  position: relative; overflow: hidden; box-shadow: var(--shadow);
  background:
    radial-gradient(600px 300px at 50% -30%, rgba(37,99,235,.10), transparent 70%),
    linear-gradient(180deg, #fff, #fbfbfd);
}
.cta-band h2 { font-size: clamp(26px, 4vw, 38px); font-weight: 800; letter-spacing: -0.03em; }
.cta-band p { color: var(--muted); margin: 14px auto 30px; max-width: 50ch; font-size: 17px; }
.cta-band .email { margin-top: 22px; font-size: 15px; color: var(--muted); }
.cta-band .email a { color: var(--text); font-weight: 600; }

/* ---------- Legal ---------- */
.legal { padding: 72px 0 80px; max-width: 820px; }
.legal h1 { font-size: clamp(32px,5vw,44px); font-weight: 800; letter-spacing: -0.03em; }
.legal .updated { color: var(--muted-2); font-size: 14px; margin: 12px 0 40px; }
.legal h2 { font-size: 21px; font-weight: 700; margin: 38px 0 12px; letter-spacing: -0.015em; }
.legal p, .legal li { color: var(--muted); margin-top: 12px; }
.legal ul { margin-top: 12px; padding-left: 22px; }
.legal strong { color: var(--text); }

/* ---------- Footer ---------- */
footer.site { padding: 64px 0 56px; border-top: 1px solid var(--line); background: var(--bg-1); }
footer.site .cols { display: flex; justify-content: space-between; gap: 40px; flex-wrap: wrap; }
footer.site .about { max-width: 36ch; }
footer.site .about p { color: var(--muted-2); font-size: 14px; margin-top: 16px; }
footer.site .colhead { color: var(--text); font-size: 12.5px; letter-spacing: 0.8px; text-transform: uppercase; font-weight: 700; margin-bottom: 14px; }
footer.site nav a { display: block; color: var(--muted); font-size: 14.5px; margin-top: 11px; }
footer.site nav a:hover { color: var(--text); }
footer .legal-line { margin-top: 48px; padding-top: 26px; border-top: 1px solid var(--line); color: var(--muted-2); font-size: 13px; display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; }

/* ---------- Scroll progress bar ---------- */
.progress {
  position: fixed; top: 0; left: 0; height: 2px; width: 0%; z-index: 100;
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
  transition: width .08s linear;
}

/* ---------- Aurora hero backdrop ---------- */
.aurora { position: absolute; inset: -10% -5% auto -5%; height: 620px; z-index: -1; overflow: hidden; pointer-events: none; }
.aurora .blob { position: absolute; border-radius: 50%; filter: blur(60px); opacity: .55; will-change: transform; }
.aurora .b1 { width: 460px; height: 460px; right: 4%; top: -120px; background: radial-gradient(circle, rgba(37,99,235,.30), transparent 65%); animation: drift1 18s ease-in-out infinite; }
.aurora .b2 { width: 380px; height: 380px; right: 24%; top: 30px; background: radial-gradient(circle, rgba(79,70,229,.24), transparent 65%); animation: drift2 22s ease-in-out infinite; }
.aurora .b3 { width: 320px; height: 320px; right: 0%; top: 180px; background: radial-gradient(circle, rgba(56,189,248,.20), transparent 65%); animation: drift3 26s ease-in-out infinite; }
@keyframes drift1 { 0%,100% { transform: translate(0,0) scale(1); } 50% { transform: translate(-40px,30px) scale(1.12); } }
@keyframes drift2 { 0%,100% { transform: translate(0,0) scale(1); } 50% { transform: translate(50px,-20px) scale(1.08); } }
@keyframes drift3 { 0%,100% { transform: translate(0,0) scale(1); } 50% { transform: translate(-30px,-30px) scale(1.15); } }

/* cursor parallax hook (JS sets --px/--py) */
.hero-visual { --px: 0px; --py: 0px; }
.orb { will-change: transform; }

/* ---------- Count-up metrics ---------- */
.metrics { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.metric { text-align: left; }
.metric .figure { font-size: clamp(34px, 5vw, 52px); font-weight: 800; letter-spacing: -0.04em; line-height: 1; }
.metric .figure .suffix { -webkit-text-fill-color: initial; color: var(--accent); }
.metric .label { color: var(--muted); font-size: 14.5px; margin-top: 10px; }
.metric .rule { height: 2px; width: 34px; border-radius: 2px; background: linear-gradient(90deg, var(--accent), var(--accent-2)); margin: 16px 0 0; }
@media (max-width: 900px) { .metrics { grid-template-columns: 1fr 1fr; gap: 28px 20px; } }

/* ---------- Reveal on scroll ---------- */
.reveal { opacity: 0; transform: translateY(22px); transition: opacity .7s var(--ease), transform .7s var(--ease); }
.reveal.in { opacity: 1; transform: none; }
.reveal[data-delay="1"] { transition-delay: .08s; }
.reveal[data-delay="2"] { transition-delay: .16s; }
.reveal[data-delay="3"] { transition-delay: .24s; }
@media (prefers-reduced-motion: reduce) {
  .aurora .blob { animation: none; }
  .reveal { opacity: 1; transform: none; transition: none; }
}

/* ---------- Mobile ---------- */
@media (max-width: 900px) {
  .hero-grid, .split { grid-template-columns: 1fr; gap: 40px; }
  .hero-visual { height: 320px; order: -1; }
  .grid-3, .grid-2, .stat-grid { grid-template-columns: 1fr; }
  nav.main { gap: 16px; }
  nav.main a:not(.btn-sm) { display: none; }
  .hero { padding: 64px 0 72px; }
  section { padding: 68px 0; }
  .cta-band { padding: 44px 24px; }
}

/* iPhone zoom fix (house rule) */
@media screen and (-webkit-min-device-pixel-ratio: 0) {
  input, select, textarea { font-size: 16px !important; }
}