:root {
  --bg: #0D0D0D;
  --bg-2: #141414;
  --bg-3: #1C1C1C;
  --fg: #F0EDE6;
  --fg-2: #A8A49E;
  --accent: #F5A623;
  --accent-dim: rgba(245, 166, 35, 0.15);
  --accent-glow: rgba(245, 166, 35, 0.08);
  --border: rgba(240, 237, 230, 0.08);
  --font-head: 'Syne', sans-serif;
  --font-body: 'Figtree', sans-serif;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--fg);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* NAV */
nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  padding: 0 40px;
  height: 64px;
  display: flex;
  align-items: center;
  border-bottom: 1px solid var(--border);
  background: rgba(13,13,13,0.9);
  backdrop-filter: blur(16px);
}
.nav-inner {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.nav-logo {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 18px;
  color: var(--accent);
  letter-spacing: -0.02em;
}
.nav-links { display: flex; gap: 32px; }
.nav-links a {
  color: var(--fg-2);
  text-decoration: none;
  font-size: 14px;
  font-weight: 500;
  transition: color 0.2s;
}
.nav-links a:hover { color: var(--fg); }
.nav-logo { text-decoration: none; }
.nav-cta-link {
  color: var(--accent) !important;
  font-weight: 600 !important;
  border: 1px solid rgba(245,166,35,0.35);
  padding: 6px 14px;
  border-radius: 6px;
  transition: background 0.2s !important;
}
.nav-cta-link:hover { background: var(--accent-dim); }

/* HERO */
.hero {
  min-height: 100vh;
  padding: 120px 40px 80px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  gap: 80px;
  max-width: 1200px;
  margin: 0 auto;
}
.hero-eyebrow {
  font-family: var(--font-head);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 20px;
}
.hero-headline {
  font-family: var(--font-head);
  font-size: clamp(48px, 5vw, 72px);
  font-weight: 800;
  line-height: 1.05;
  letter-spacing: -0.03em;
  color: var(--fg);
  margin-bottom: 28px;
}
.hero-sub {
  font-size: 18px;
  color: var(--fg-2);
  line-height: 1.7;
  max-width: 500px;
  margin-bottom: 32px;
}
.hero-tagline-row {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}
.hero-tag {
  font-size: 13px;
  font-weight: 600;
  color: var(--accent);
  background: var(--accent-dim);
  border: 1px solid rgba(245,166,35,0.2);
  padding: 6px 14px;
  border-radius: 100px;
}
.hero-divider { color: var(--fg-2); font-size: 12px; }

/* SIM DIAGRAM */
.hero-visual { display: flex; align-items: center; justify-content: center; }
.sim-diagram { position: relative; display: flex; flex-direction: column; align-items: center; gap: 32px; }
.sim-card {
  width: 200px;
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 24px;
  position: relative;
}
.sim-chip {
  width: 72px;
  height: 56px;
  background: linear-gradient(135deg, #C9A84C, #E8C56B, #C9A84C);
  border-radius: 8px;
  margin-bottom: 20px;
  position: relative;
}
.sim-chip::before {
  content: '';
  position: absolute;
  inset: 4px;
  background: repeating-linear-gradient(
    90deg,
    rgba(0,0,0,0.15) 0px,
    rgba(0,0,0,0.15) 2px,
    transparent 2px,
    transparent 6px
  );
  border-radius: 4px;
}
.sim-lines { display: flex; flex-direction: column; gap: 8px; }
.sim-line { height: 4px; background: var(--bg-3); border-radius: 2px; }
.sim-line:nth-child(2) { width: 60%; }
.sim-line:nth-child(3) { width: 40%; }

.auth-beam {
  position: relative;
  width: 120px;
  height: 2px;
}
.beam-core {
  position: absolute;
  inset: 0;
  background: var(--accent);
  border-radius: 2px;
}
.beam-glow {
  position: absolute;
  inset: -4px;
  background: radial-gradient(ellipse at center, rgba(245,166,35,0.3) 0%, transparent 70%);
  border-radius: 50%;
}

.lock-icon { color: var(--accent); }

/* TRUST STRIP */
.trust-strip {
  background: var(--bg-2);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 48px 40px;
}
.trust-items {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: 0;
  flex-wrap: wrap;
}
.trust-item { flex: 1; min-width: 180px; padding: 16px 32px; text-align: center; }
.trust-number {
  font-family: var(--font-head);
  font-size: 36px;
  font-weight: 800;
  color: var(--accent);
  letter-spacing: -0.03em;
  margin-bottom: 6px;
}
.trust-label { font-size: 13px; color: var(--fg-2); font-weight: 500; line-height: 1.4; }
.trust-sep {
  width: 1px;
  height: 48px;
  background: var(--border);
  flex-shrink: 0;
}

/* SECTION COMMONS */
.section-label {
  font-family: var(--font-head);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 16px;
}
.section-headline {
  font-family: var(--font-head);
  font-size: clamp(32px, 4vw, 52px);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.03em;
  margin-bottom: 48px;
}

/* HOW IT WORKS */
.how-it-works { padding: 120px 40px; max-width: 1200px; margin: 0 auto; }
.steps { display: flex; flex-direction: column; gap: 0; margin-bottom: 48px; }
.step {
  display: grid;
  grid-template-columns: 80px 1fr;
  gap: 32px;
  padding: 40px 0;
  border-bottom: 1px solid var(--border);
  position: relative;
}
.step:last-child { border-bottom: none; }
.step::before {
  content: '';
  position: absolute;
  left: 40px;
  top: 80px;
  width: 1px;
  height: calc(100% - 80px);
  background: linear-gradient(to bottom, var(--accent), transparent);
}
.step:last-child::before { display: none; }
.step-num {
  font-family: var(--font-head);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--accent);
  padding-top: 4px;
}
.step-content h3 {
  font-family: var(--font-head);
  font-size: 20px;
  font-weight: 700;
  color: var(--fg);
  margin-bottom: 12px;
}
.step-content p { font-size: 16px; color: var(--fg-2); line-height: 1.7; max-width: 580px; }

.protocol-row { display: flex; gap: 12px; flex-wrap: wrap; }
.protocol-badge {
  font-size: 12px;
  font-weight: 600;
  color: var(--fg-2);
  border: 1px solid var(--border);
  padding: 6px 14px;
  border-radius: 100px;
  letter-spacing: 0.04em;
}

/* WHY NOW */
.why-now { background: var(--bg-2); padding: 120px 40px; }
.why-grid {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: start;
}
.why-body { font-size: 16px; color: var(--fg-2); line-height: 1.75; margin-bottom: 20px; }
.threat-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.threat-card {
  background: var(--bg-3);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 24px;
}
.threat-icon { color: var(--accent); margin-bottom: 12px; }
.threat-card h4 {
  font-family: var(--font-head);
  font-size: 15px;
  font-weight: 700;
  color: var(--fg);
  margin-bottom: 8px;
}
.threat-card p { font-size: 13px; color: var(--fg-2); line-height: 1.5; }

/* PRINCIPLES */
.principles { padding: 120px 40px; max-width: 1200px; margin: 0 auto; }
.principles-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
  border: 1px solid var(--border);
  border-radius: 24px;
  overflow: hidden;
}
.principle {
  padding: 40px;
  border-right: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.principle:nth-child(2n) { border-right: none; }
.principle:nth-child(3), .principle:nth-child(4) { border-bottom: none; }
.principle-num {
  font-family: var(--font-head);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--accent);
  margin-bottom: 16px;
}
.principle h3 {
  font-family: var(--font-head);
  font-size: 18px;
  font-weight: 700;
  color: var(--fg);
  margin-bottom: 12px;
  line-height: 1.3;
}
.principle p { font-size: 14px; color: var(--fg-2); line-height: 1.65; }

/* CLOSING */
.closing {
  background: linear-gradient(135deg, var(--bg) 0%, var(--bg-2) 100%);
  border-top: 1px solid var(--border);
  padding: 140px 40px;
  text-align: center;
}
.closing-inner { max-width: 720px; margin: 0 auto; }
.closing-badge {
  font-family: var(--font-head);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 24px;
}
.closing-headline {
  font-family: var(--font-head);
  font-size: clamp(32px, 4vw, 52px);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.03em;
  margin-bottom: 24px;
}
.closing-body { font-size: 17px; color: var(--fg-2); line-height: 1.75; }

/* FOOTER */
footer {
  border-top: 1px solid var(--border);
  padding: 48px 40px;
  background: var(--bg);
}
.footer-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 40px;
  margin-bottom: 32px;
}
.footer-brand { display: flex; flex-direction: column; gap: 8px; }
.footer-logo {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 16px;
  color: var(--accent);
}
.footer-tagline { font-size: 13px; color: var(--fg-2); }
.footer-links { display: flex; gap: 32px; }
.footer-links a { color: var(--fg-2); text-decoration: none; font-size: 14px; transition: color 0.2s; }
.footer-links a:hover { color: var(--fg); }
.footer-bottom {
  max-width: 1200px;
  margin: 0 auto;
  border-top: 1px solid var(--border);
  padding-top: 24px;
  font-size: 12px;
  color: var(--fg-2);
}

/* MOBILE */
@media (max-width: 768px) {
  nav { padding: 0 20px; }
  .nav-links { display: none; }
  .hero {
    padding: 100px 20px 60px;
    grid-template-columns: 1fr;
    gap: 48px;
    min-height: auto;
  }
  .hero-visual { order: -1; }
  .hero-headline { font-size: 40px; }
  .hero-sub { font-size: 16px; }
  .sim-card { width: 160px; }
  .trust-strip { padding: 32px 20px; }
  .trust-item { padding: 12px 16px; }
  .trust-sep { display: none; }
  .how-it-works { padding: 80px 20px; }
  .step { grid-template-columns: 48px 1fr; gap: 16px; }
  .step::before { left: 24px; }
  .why-now { padding: 80px 20px; }
  .why-grid { grid-template-columns: 1fr; gap: 48px; }
  .threat-grid { grid-template-columns: 1fr; }
  .principles { padding: 80px 20px; }
  .principles-grid { grid-template-columns: 1fr; }
  .principle { border-right: none; }
  .principle:nth-child(3) { border-bottom: 1px solid var(--border); }
  .principle:last-child { border-bottom: none; }
  .closing { padding: 100px 20px; }
  footer { padding: 40px 20px; }
  .footer-inner { flex-direction: column; }
  .footer-links { flex-wrap: wrap; gap: 16px; }
}