:root {
  --bg: #070A14;
  --bg-2: #0B1020;
  --card: rgba(255, 255, 255, 0.04);
  --card-solid: #0E1426;
  --border: rgba(255, 255, 255, 0.09);
  --border-strong: rgba(255, 255, 255, 0.16);
  --text: #F1F5F9;
  --muted: #94A3B8;
  --faint: #64748B;

  --green: #34D399;
  --cyan: #22D3EE;
  --blue: #3B82F6;
  --indigo: #6366F1;
  --danger: #FB7185;
  --warn: #FBBF24;

  --grad: linear-gradient(120deg, #34D399 0%, #22D3EE 38%, #3B82F6 72%, #6366F1 100%);
  --grad-soft: linear-gradient(120deg, rgba(52, 211, 153, 0.16), rgba(99, 102, 241, 0.16));

  --font-body: 'Inter', system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
  --font-display: 'Sora', system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;

  --radius: 14px;
  --radius-lg: 22px;
  --maxw: 1080px;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

body {
  background:
    radial-gradient(900px 500px at 15% -5%, rgba(52, 211, 153, 0.10), transparent 60%),
    radial-gradient(900px 600px at 100% 0%, rgba(99, 102, 241, 0.14), transparent 55%),
    radial-gradient(700px 500px at 50% 110%, rgba(59, 130, 246, 0.10), transparent 60%),
    var(--bg);
  min-height: 100vh;
}

a { color: inherit; text-decoration: none; }
h1, h2, h3 { font-family: var(--font-display); font-weight: 600; line-height: 1.1; margin: 0; }
p { line-height: 1.7; margin: 0; }

.grad-text {
  background: var(--grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.container { width: 100%; max-width: var(--maxw); margin: 0 auto; padding: 0 22px; }

/* ---------- buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: 500;
  padding: 0.85rem 1.4rem;
  border-radius: var(--radius);
  border: 1px solid var(--border-strong);
  background: var(--card);
  color: var(--text);
  cursor: pointer;
  transition: transform 0.15s ease, border-color 0.15s ease, background 0.15s ease, box-shadow 0.15s ease;
  text-align: center;
}
.btn:hover { border-color: var(--border-strong); transform: translateY(-1px); }
.btn:active { transform: translateY(0); }
.btn:disabled { opacity: 0.5; cursor: not-allowed; transform: none; }

.btn-primary {
  border: none;
  background: var(--grad);
  color: #04121A;
  font-weight: 600;
  box-shadow: 0 10px 30px -12px rgba(34, 211, 238, 0.6);
}
.btn-primary:hover { box-shadow: 0 14px 40px -12px rgba(34, 211, 238, 0.75); }

.btn-ghost { background: transparent; border-color: var(--border); }
.btn-block { width: 100%; }
.btn-sm { padding: 0.55rem 0.9rem; font-size: 0.9rem; }

/* ---------- forms ---------- */
.field { display: flex; flex-direction: column; gap: 0.4rem; margin-bottom: 1rem; }
.field label { font-size: 0.85rem; color: var(--muted); }
.input, .select, .textarea {
  width: 100%;
  font-family: var(--font-body);
  font-size: 1rem;
  color: var(--text);
  background: rgba(0, 0, 0, 0.25);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 0.8rem 0.95rem;
  outline: none;
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}
.input:focus, .select:focus, .textarea:focus {
  border-color: var(--cyan);
  box-shadow: 0 0 0 3px rgba(34, 211, 238, 0.18);
}
.textarea { resize: vertical; min-height: 84px; }
.select { appearance: none; background-image: none; }

/* ---------- glass card ---------- */
.glass {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
}

/* ================= LANDING ================= */
.nav {
  position: sticky;
  top: 0;
  z-index: 30;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  background: rgba(7, 10, 20, 0.55);
  border-bottom: 1px solid var(--border);
}
.nav-inner { display: flex; align-items: center; justify-content: space-between; height: 68px; }

.hero { padding: 64px 0 36px; text-align: center; }
.hero-mark { display: flex; justify-content: center; margin-bottom: 22px; }
.hero-mark img { filter: drop-shadow(0 14px 50px rgba(34, 211, 238, 0.35)); }
.eyebrow {
  display: inline-flex; align-items: center; gap: 0.5rem;
  font-size: 0.82rem; color: var(--muted);
  border: 1px solid var(--border); border-radius: 999px;
  padding: 0.4rem 0.9rem; margin-bottom: 22px;
  background: var(--card);
}
.dot { width: 7px; height: 7px; border-radius: 50%; background: var(--green); box-shadow: 0 0 10px var(--green); }
.hero h1 { font-size: clamp(2.3rem, 6vw, 4rem); letter-spacing: -0.03em; }
.hero-sub { max-width: 580px; margin: 18px auto 0; color: var(--muted); font-size: 1.12rem; }
.hero-cta { display: flex; gap: 0.8rem; justify-content: center; flex-wrap: wrap; margin-top: 30px; }
.hero-trust { margin-top: 22px; color: var(--faint); font-size: 0.85rem; display: flex; gap: 1.2rem; justify-content: center; flex-wrap: wrap; }
.hero-trust span { display: inline-flex; align-items: center; gap: 0.4rem; }

.section { padding: 52px 0; }
.section-head { text-align: center; max-width: 620px; margin: 0 auto 38px; }
.section-head h2 { font-size: clamp(1.7rem, 4vw, 2.4rem); letter-spacing: -0.02em; }
.section-head p { color: var(--muted); margin-top: 12px; }

.grid { display: grid; gap: 18px; }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(2, 1fr); }

.feature { padding: 26px; }
.feature .ic {
  width: 46px; height: 46px; border-radius: 12px;
  display: grid; place-items: center; font-size: 22px;
  background: var(--grad-soft); border: 1px solid var(--border);
  color: var(--cyan); margin-bottom: 16px;
}
.feature h3 { font-size: 1.18rem; margin-bottom: 8px; }
.feature p { color: var(--muted); font-size: 0.96rem; }

.steps { counter-reset: step; display: grid; gap: 14px; }
.step { display: flex; gap: 16px; align-items: flex-start; padding: 22px 24px; }
.step .num {
  flex: none; width: 38px; height: 38px; border-radius: 11px;
  display: grid; place-items: center; font-family: var(--font-display); font-weight: 600;
  background: var(--grad); color: #04121A;
}
.step h3 { font-size: 1.1rem; margin-bottom: 5px; }
.step p { color: var(--muted); font-size: 0.95rem; }

/* sample ID card mockup */
.idcard {
  position: relative; border-radius: 20px; padding: 22px;
  background: linear-gradient(135deg, #0E1A33, #0B1020);
  border: 1px solid var(--border-strong);
  overflow: hidden; max-width: 380px; margin: 0 auto;
  box-shadow: 0 30px 60px -30px rgba(0, 0, 0, 0.8);
}
.idcard::before {
  content: ''; position: absolute; inset: 0;
  background: var(--grad); opacity: 0.10;
}
.idcard-top { display: flex; justify-content: space-between; align-items: center; position: relative; }
.idcard-tag { font-size: 0.72rem; letter-spacing: 0.14em; text-transform: uppercase; color: var(--cyan); }
.idcard-row { display: flex; gap: 14px; margin-top: 18px; position: relative; }
.idcard-photo {
  width: 76px; height: 92px; border-radius: 10px; flex: none;
  background: var(--grad-soft); border: 1px solid var(--border-strong);
  display: grid; place-items: center; color: var(--muted); font-size: 30px;
}
.idcard-fields { display: flex; flex-direction: column; gap: 8px; flex: 1; }
.idcard-fields .k { font-size: 0.66rem; color: var(--faint); text-transform: uppercase; letter-spacing: 0.08em; }
.idcard-fields .v { font-size: 0.95rem; color: var(--text); margin-top: 1px; }
.idcard-foot { display: flex; justify-content: space-between; align-items: center; margin-top: 18px; position: relative; }
.qr {
  width: 52px; height: 52px; border-radius: 8px;
  background:
    repeating-linear-gradient(0deg, var(--text) 0 3px, transparent 3px 6px),
    repeating-linear-gradient(90deg, var(--text) 0 3px, transparent 3px 6px);
  opacity: 0.85;
}

.security-grid { display: grid; grid-template-columns: 1.1fr 1fr; gap: 26px; align-items: center; }
.check-list { display: grid; gap: 14px; margin-top: 8px; }
.check-list li { list-style: none; display: flex; gap: 12px; color: var(--muted); }
.check-list .ci { color: var(--green); flex: none; margin-top: 2px; }
.check-list strong { color: var(--text); font-weight: 500; }

.cta-band { text-align: center; padding: 48px 28px; }
.cta-band h2 { font-size: clamp(1.7rem, 4vw, 2.4rem); }
.cta-band p { color: var(--muted); margin: 12px auto 26px; max-width: 460px; }

.footer { border-top: 1px solid var(--border); padding: 30px 0; color: var(--faint); font-size: 0.88rem; }
.footer-inner { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 14px; }

/* ================= VAULT (coffre) ================= */
.coffre-wrap { min-height: 100vh; display: flex; flex-direction: column; }

.lock-screen {
  flex: 1; display: flex; flex-direction: column; align-items: center; justify-content: center;
  padding: 32px 22px; text-align: center;
}
.lock-card { width: 100%; max-width: 380px; padding: 32px 26px; }
.lock-card .lk-mark { display: flex; justify-content: center; margin-bottom: 18px; }
.lock-card h1 { font-size: 1.5rem; margin-bottom: 6px; }
.lock-card .lk-sub { color: var(--muted); font-size: 0.95rem; margin-bottom: 24px; }
.pin-input {
  width: 100%; text-align: center; letter-spacing: 0.6em;
  font-size: 1.5rem; padding: 0.8rem; font-family: var(--font-display);
}
.err { color: var(--danger); font-size: 0.9rem; margin-top: 4px; min-height: 1.1rem; }
.hint { color: var(--faint); font-size: 0.82rem; margin-top: 16px; line-height: 1.6; }

.app-bar {
  position: sticky; top: 0; z-index: 20;
  display: flex; align-items: center; justify-content: space-between;
  padding: 14px 18px;
  background: rgba(7, 10, 20, 0.7);
  backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}
.app-body { flex: 1; padding: 18px 18px 110px; max-width: 720px; margin: 0 auto; width: 100%; }

.chips { display: flex; gap: 8px; overflow-x: auto; padding: 4px 0 14px; scrollbar-width: none; }
.chips::-webkit-scrollbar { display: none; }
.chip {
  flex: none; padding: 0.45rem 0.85rem; border-radius: 999px;
  border: 1px solid var(--border); background: var(--card);
  color: var(--muted); font-size: 0.85rem; cursor: pointer; white-space: nowrap;
}
.chip.active { background: var(--grad); color: #04121A; border-color: transparent; font-weight: 500; }

.doc-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; }
.doc-card {
  text-align: left; padding: 16px; cursor: pointer; border: 1px solid var(--border);
  background: var(--card); border-radius: var(--radius);
  transition: border-color 0.15s ease, transform 0.15s ease;
  display: flex; flex-direction: column; gap: 8px; min-height: 120px;
}
.doc-card:hover { border-color: var(--border-strong); transform: translateY(-2px); }
.doc-ic {
  width: 40px; height: 40px; border-radius: 11px; display: grid; place-items: center;
  font-size: 20px; background: var(--grad-soft); color: var(--cyan); border: 1px solid var(--border);
}
.doc-card .dc-label { font-weight: 500; font-size: 0.98rem; }
.doc-card .dc-cat { color: var(--faint); font-size: 0.8rem; }
.doc-card.full { grid-column: 1 / -1; }

.badge {
  display: inline-flex; align-items: center; gap: 0.35rem;
  font-size: 0.74rem; padding: 0.2rem 0.55rem; border-radius: 999px; width: fit-content;
}
.badge.expired { background: rgba(251, 113, 133, 0.15); color: var(--danger); }
.badge.soon { background: rgba(251, 191, 36, 0.15); color: var(--warn); }
.badge.ok { background: rgba(52, 211, 153, 0.14); color: var(--green); }

.fab {
  position: fixed; right: 20px; bottom: 22px; z-index: 25;
  display: inline-flex; align-items: center; gap: 0.5rem;
  padding: 0.95rem 1.3rem; border: none; border-radius: 999px; cursor: pointer;
  background: var(--grad); color: #04121A; font-weight: 600; font-family: var(--font-body);
  box-shadow: 0 14px 36px -10px rgba(34, 211, 238, 0.7);
}

.empty { text-align: center; padding: 60px 20px; color: var(--muted); }
.empty .em-ic { font-size: 42px; color: var(--faint); margin-bottom: 14px; }

/* modal / sheet */
.overlay {
  position: fixed; inset: 0; z-index: 40; display: flex; align-items: flex-end; justify-content: center;
  background: rgba(2, 5, 12, 0.66); backdrop-filter: blur(4px); -webkit-backdrop-filter: blur(4px);
  padding: 0;
}
.sheet {
  width: 100%; max-width: 560px; max-height: 92vh; overflow-y: auto;
  background: var(--card-solid); border: 1px solid var(--border);
  border-radius: 22px 22px 0 0; padding: 22px 20px 30px;
}
.sheet-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 18px; }
.sheet-head h2 { font-size: 1.25rem; }
.icon-btn {
  width: 38px; height: 38px; border-radius: 11px; display: grid; place-items: center;
  border: 1px solid var(--border); background: var(--card); color: var(--text); cursor: pointer; font-size: 18px;
}
.doc-image { width: 100%; border-radius: var(--radius); border: 1px solid var(--border); display: block; }
.doc-image-empty {
  width: 100%; aspect-ratio: 8/5; border-radius: var(--radius); border: 1px dashed var(--border-strong);
  display: grid; place-items: center; color: var(--faint); background: rgba(0,0,0,0.2);
}
.kv { display: grid; grid-template-columns: 120px 1fr; gap: 8px 14px; margin-top: 18px; }
.kv .k { color: var(--faint); font-size: 0.86rem; }
.kv .v { color: var(--text); font-size: 0.94rem; }

.photo-pick {
  border: 1px dashed var(--border-strong); border-radius: var(--radius); padding: 22px;
  text-align: center; color: var(--muted); cursor: pointer; background: rgba(0,0,0,0.2);
}
.photo-pick .pp-ic { font-size: 28px; color: var(--cyan); }
.photo-preview { width: 100%; border-radius: var(--radius); border: 1px solid var(--border); display: block; }

.row-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }

/* responsive */
@media (max-width: 760px) {
  .grid-3 { grid-template-columns: 1fr; }
  .grid-4 { grid-template-columns: 1fr; }
  .security-grid { grid-template-columns: 1fr; }
}

@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; animation: none !important; }
}

*:focus-visible { outline: 2px solid var(--cyan); outline-offset: 2px; }

/* ---------- logo lockup (img + wordmark) ---------- */
.logo { display: inline-flex; align-items: center; gap: 0.6rem; }
.logo img { display: block; }
.logo-word { font-family: var(--font-display); font-weight: 600; letter-spacing: -0.02em; color: var(--text); }
.lk-mark img, .feature-mark img { display: block; }