:root {
  --ink: #0a0f1c;
  --ink-2: #111a2e;
  --bg: #f5f6fa;
  --surface: #ffffff;
  --text: #0f172a;
  --muted: #55607a;
  --line: #e3e6ef;
  --accent: #4f46e5;
  --accent-2: #06b6d4;
  --accent-soft: #eef0ff;
  --on-dark: #e8ecf6;
  --on-dark-muted: #9aa6c2;
  --shadow: 0 1px 2px rgba(15, 23, 42, .04), 0 8px 24px -12px rgba(15, 23, 42, .18);
  --radius: 16px;
  --max: 72rem;
  --todo-bg: #fff3c4;
  --todo-text: #6b4e00;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0b1120;
    --surface: #121a2c;
    --text: #e8ecf6;
    --muted: #9aa6c2;
    --line: #1f2a40;
    --accent: #818cf8;
    --accent-soft: #1b2142;
    --shadow: 0 1px 2px rgba(0, 0, 0, .3), 0 8px 24px -12px rgba(0, 0, 0, .6);
    --todo-bg: #4a3b0c;
    --todo-text: #ffe29a;
  }
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; scroll-padding-top: 4.5rem; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: "Inter", ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  font-size: 1.0625rem;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--accent); text-underline-offset: 3px; }
h1, h2, h3 { letter-spacing: -0.025em; line-height: 1.15; }

.wrap { max-width: var(--max); margin: 0 auto; padding-left: 1rem; padding-right: 1rem; }
@media (min-width: 48rem) { .wrap { padding-left: 2rem; padding-right: 2rem; } }

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(10, 15, 28, .78);
  backdrop-filter: saturate(160%) blur(14px);
  -webkit-backdrop-filter: saturate(160%) blur(14px);
  border-bottom: 1px solid rgba(255, 255, 255, .06);
}
.site-header .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  min-height: 4rem;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: .65rem;
  color: #fff;
  text-decoration: none;
  font-weight: 700;
  letter-spacing: -0.01em;
}
.brand-mark {
  display: grid;
  place-items: center;
  width: 2rem;
  height: 2rem;
  border-radius: 9px;
  background: linear-gradient(135deg, var(--accent-2), #6366f1);
  font-size: .8rem;
  font-weight: 800;
  color: #fff;
}
.nav { display: flex; align-items: center; gap: 1.75rem; }
.nav a { color: var(--on-dark-muted); text-decoration: none; font-size: .95rem; font-weight: 500; }
.nav a:hover { color: #fff; }
.nav .nav-cta {
  color: #fff;
  background: rgba(255, 255, 255, .08);
  border: 1px solid rgba(255, 255, 255, .14);
  padding: .45rem .9rem;
  border-radius: 999px;
}
.nav .nav-cta:hover { background: rgba(255, 255, 255, .14); }
@media (max-width: 52rem) { .nav a:not(.nav-cta) { display: none; } }

/* Hero */
.hero {
  position: relative;
  overflow: hidden;
  background: var(--ink);
  color: var(--on-dark);
  isolation: isolate;
}
.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -2;
  background:
    radial-gradient(60rem 30rem at 85% -10%, rgba(99, 102, 241, .45), transparent 60%),
    radial-gradient(40rem 26rem at 0% 110%, rgba(6, 182, 212, .28), transparent 60%);
}
.hero::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background-image:
    linear-gradient(rgba(255, 255, 255, .045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, .045) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: radial-gradient(ellipse at 60% 30%, #000 30%, transparent 75%);
  -webkit-mask-image: radial-gradient(ellipse at 60% 30%, #000 30%, transparent 75%);
}
.hero-inner {
  display: grid;
  gap: 3rem;
  align-items: center;
  padding-top: 5rem;
  padding-bottom: 5.5rem;
}
@media (min-width: 60rem) {
  .hero-inner { grid-template-columns: 1.15fr .85fr; padding-top: 7rem; padding-bottom: 7.5rem; }
}
.badge {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  padding: .35rem .8rem;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, .14);
  background: rgba(255, 255, 255, .05);
  color: var(--on-dark);
  font-size: .85rem;
  font-weight: 500;
  margin: 0 0 1.5rem;
}
.badge .dot { width: .5rem; height: .5rem; border-radius: 50%; background: #22c55e; box-shadow: 0 0 0 4px rgba(34, 197, 94, .2); }
.hero h1 {
  font-size: clamp(2.3rem, 6vw, 4rem);
  font-weight: 800;
  margin: 0 0 1.5rem;
  color: #fff;
}
.gradient-text {
  background: linear-gradient(90deg, #67e8f9, #a5b4fc 55%, #c4b5fd);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.lead { font-size: 1.2rem; color: var(--on-dark-muted); max-width: 36rem; margin: 0 0 2.25rem; }
.actions { display: flex; gap: .75rem; flex-wrap: wrap; }
.btn {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  padding: .85rem 1.35rem;
  border-radius: 12px;
  font-weight: 600;
  text-decoration: none;
  transition: transform .15s ease, box-shadow .15s ease, background .15s ease;
}
.btn:hover { transform: translateY(-1px); }
.btn-primary {
  color: #fff;
  background: linear-gradient(135deg, #6366f1, #4f46e5);
  box-shadow: 0 10px 30px -10px rgba(99, 102, 241, .8);
}
.btn-ghost { color: #fff; border: 1px solid rgba(255, 255, 255, .2); }
.btn-ghost:hover { background: rgba(255, 255, 255, .08); }

/* Hero visual: workflow card */
.flow {
  border: 1px solid rgba(255, 255, 255, .1);
  background: linear-gradient(180deg, rgba(255, 255, 255, .07), rgba(255, 255, 255, .02));
  border-radius: 20px;
  padding: 1.25rem;
  box-shadow: 0 30px 80px -30px rgba(0, 0, 0, .7);
}
.flow-head { display: flex; gap: .4rem; margin-bottom: 1rem; }
.flow-head span { width: .65rem; height: .65rem; border-radius: 50%; background: rgba(255, 255, 255, .18); }
.flow-step {
  display: flex;
  align-items: center;
  gap: .9rem;
  padding: .85rem 1rem;
  border-radius: 12px;
  background: rgba(10, 15, 28, .55);
  border: 1px solid rgba(255, 255, 255, .07);
  font-size: .95rem;
}
.flow-step + .flow-step { margin-top: .6rem; position: relative; }
.flow-step small { display: block; color: var(--on-dark-muted); font-size: .8rem; }
.flow-icon {
  flex: none;
  display: grid;
  place-items: center;
  width: 2.25rem;
  height: 2.25rem;
  border-radius: 10px;
  background: rgba(99, 102, 241, .22);
  color: #c7d2fe;
}
.flow-icon.c { background: rgba(6, 182, 212, .2); color: #a5f3fc; }
.flow-icon.g { background: rgba(34, 197, 94, .18); color: #bbf7d0; }
.flow-ok { margin-left: auto; color: #4ade80; font-size: .8rem; font-weight: 600; }
@media (max-width: 59.99rem) { .flow { max-width: 30rem; } }

/* Sections */
section { padding: 5.5rem 0; }
.section-head { max-width: 44rem; margin-bottom: 3rem; }
.kicker {
  color: var(--accent);
  font-weight: 700;
  font-size: .82rem;
  letter-spacing: .08em;
  text-transform: uppercase;
  margin: 0 0 .75rem;
}
section h2 { font-size: clamp(1.8rem, 3.5vw, 2.5rem); font-weight: 800; margin: 0 0 1rem; }
.section-head p:last-child { color: var(--muted); font-size: 1.1rem; margin: 0; }

.grid { display: grid; gap: 1.25rem; grid-template-columns: repeat(auto-fit, minmax(16.5rem, 1fr)); }
.card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.6rem;
  box-shadow: var(--shadow);
  transition: transform .2s ease, border-color .2s ease;
}
.card:hover { transform: translateY(-3px); border-color: color-mix(in srgb, var(--accent) 40%, var(--line)); }
.card h3 { font-size: 1.15rem; margin: 1.1rem 0 .5rem; }
.card p { margin: 0; color: var(--muted); font-size: 1rem; }
.icon {
  display: grid;
  place-items: center;
  width: 2.9rem;
  height: 2.9rem;
  border-radius: 12px;
  color: #fff;
  background: linear-gradient(135deg, #6366f1, #06b6d4);
  box-shadow: 0 8px 20px -8px rgba(79, 70, 229, .7);
}
.icon svg { width: 1.4rem; height: 1.4rem; }

/* Process */
.process { background: var(--surface); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.steps { display: grid; gap: 1.5rem; grid-template-columns: repeat(auto-fit, minmax(14rem, 1fr)); counter-reset: step; list-style: none; padding: 0; margin: 0; }
.steps li { position: relative; padding-top: 3.5rem; }
.steps li::before {
  counter-increment: step;
  content: "0" counter(step);
  position: absolute;
  top: 0;
  left: 0;
  font-size: 2.2rem;
  font-weight: 800;
  letter-spacing: -0.04em;
  background: linear-gradient(135deg, #6366f1, #06b6d4);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.steps h3 { margin: 0 0 .4rem; font-size: 1.15rem; }
.steps p { margin: 0; color: var(--muted); }

/* Profile */
.profile { display: grid; gap: 2.5rem; align-items: start; }
@media (min-width: 56rem) { .profile { grid-template-columns: 1fr 1fr; gap: 4rem; } }
.profile p { color: var(--muted); }
.quals { list-style: none; padding: 0; margin: 0; display: grid; gap: .9rem; }
.quals li {
  display: flex;
  gap: 1rem;
  align-items: flex-start;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 1.1rem 1.2rem;
  box-shadow: var(--shadow);
}
.quals strong { display: block; color: var(--text); }
.quals div > span { color: var(--muted); font-size: .95rem; }
.quals .icon { width: 2.4rem; height: 2.4rem; border-radius: 10px; flex: none; }
.quals .icon svg { width: 1.15rem; height: 1.15rem; }

.tags { display: flex; flex-wrap: wrap; gap: .6rem; padding: 0; margin: 2rem 0 0; list-style: none; }
.tags li {
  background: var(--accent-soft);
  color: var(--text);
  border: 1px solid color-mix(in srgb, var(--accent) 18%, transparent);
  border-radius: 999px;
  padding: .35rem .9rem;
  font-size: .9rem;
  font-weight: 500;
}

/* Contact */
.contact { padding-top: 0; }
.cta {
  position: relative;
  overflow: hidden;
  isolation: isolate;
  border-radius: 28px;
  background: var(--ink);
  color: var(--on-dark);
  padding: 3.5rem 1.5rem;
  text-align: center;
  border: 1px solid rgba(255, 255, 255, .08);
}
@media (min-width: 48rem) { .cta { padding: 4.5rem 3rem; } }
.cta::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background:
    radial-gradient(30rem 18rem at 10% 0%, rgba(6, 182, 212, .35), transparent 60%),
    radial-gradient(34rem 20rem at 100% 100%, rgba(99, 102, 241, .45), transparent 60%);
}
.cta h2 { color: #fff; margin-bottom: .75rem; }
.cta p { color: var(--on-dark-muted); max-width: 34rem; margin: 0 auto 2rem; font-size: 1.1rem; }
.cta .actions { justify-content: center; }
.cta-meta { margin-top: 1.75rem; color: var(--on-dark-muted); font-size: .95rem; }

/* Legal pages */
.legal { padding: 3.5rem 0 5rem; max-width: 46rem; }
.legal h1 { font-size: clamp(2rem, 4vw, 2.6rem); font-weight: 800; margin: 0 0 1.5rem; }
.legal h2 { font-size: 1.25rem; margin: 2.5rem 0 .6rem; }
.legal p, .legal li { color: var(--text); }
.legal ul { padding-left: 1.25rem; }
.draft-note {
  background: var(--todo-bg);
  color: var(--todo-text);
  border-radius: 12px;
  padding: 1rem 1.2rem;
  margin: 0 0 2rem;
  font-size: .95rem;
}
.todo { background: var(--todo-bg); color: var(--todo-text); padding: 0 .3em; border-radius: 4px; font-weight: 600; }

/* Footer */
.site-footer { padding: 2.5rem 0; color: var(--muted); font-size: .92rem; }
.site-footer .wrap { display: flex; justify-content: space-between; gap: 1rem; flex-wrap: wrap; }
.site-footer a { color: var(--muted); text-decoration: none; }
.site-footer a:hover { color: var(--text); }
.site-footer nav { display: flex; gap: 1.5rem; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .btn, .card { transition: none; }
}