:root {
  --bg: #08090b;
  --panel: #101216;
  --panel-2: #151820;
  --line: rgba(255,255,255,.09);
  --text: #f5f7fa;
  --muted: #a4abb7;
  --soft: #d9dde4;
  --accent: #ffffff;
  --max: 1180px;
  --radius: 24px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background:
    radial-gradient(circle at 85% 10%, rgba(255,255,255,.055), transparent 30%),
    radial-gradient(circle at 10% 35%, rgba(255,255,255,.03), transparent 25%),
    var(--bg);
  color: var(--text);
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }
button, input { font: inherit; }
.page-shell { min-height: 100vh; overflow: hidden; }

.site-header {
  width: min(calc(100% - 40px), var(--max));
  height: 82px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
  border-bottom: 1px solid var(--line);
  position: relative;
  z-index: 10;
}
.brand { display: flex; align-items: center; gap: 12px; font-weight: 800; letter-spacing: .18em; }
.brand-mark {
  width: 34px; height: 34px; border: 1px solid rgba(255,255,255,.22); border-radius: 11px;
  display: inline-flex; align-items: center; justify-content: center;
  background: linear-gradient(145deg, rgba(255,255,255,.12), rgba(255,255,255,.03));
  box-shadow: inset 0 1px 0 rgba(255,255,255,.16);
  letter-spacing: 0;
}
.brand-name { font-size: .93rem; }
.nav { display: flex; align-items: center; gap: 28px; margin-left: auto; }
.nav a { color: var(--muted); font-size: .9rem; transition: .2s ease; }
.nav a:hover { color: var(--text); }
.header-actions { display: flex; align-items: center; gap: 14px; }
.text-button {
  border: 0; background: transparent; color: var(--soft); cursor: pointer; padding: 10px 6px;
}
.button {
  display: inline-flex; align-items: center; justify-content: center;
  min-height: 48px; padding: 0 20px; border-radius: 14px;
  background: #f4f4f5; color: #090a0c; font-weight: 750; font-size: .93rem;
  border: 1px solid rgba(255,255,255,.9);
  transition: transform .2s ease, opacity .2s ease, background .2s ease;
}
.button:hover { transform: translateY(-1px); }
.button-small { min-height: 40px; padding: 0 16px; border-radius: 12px; font-size: .86rem; }
.button-secondary {
  background: transparent; color: var(--text); border-color: rgba(255,255,255,.16);
}
.button-secondary:hover { background: rgba(255,255,255,.05); }
.menu-button {
  display: none; border: 0; background: transparent; width: 42px; height: 42px; padding: 8px; cursor: pointer;
}
.menu-button span { display:block; height:2px; background:#fff; margin:5px 0; border-radius:10px; }

.hero {
  width: min(calc(100% - 40px), var(--max));
  margin: 0 auto;
  min-height: 720px;
  display: grid;
  grid-template-columns: 1.02fr .98fr;
  gap: 64px;
  align-items: center;
  padding: 82px 0 76px;
}
.eyebrow {
  color: #cbd0d8;
  font-size: .76rem;
  text-transform: uppercase;
  letter-spacing: .18em;
  font-weight: 800;
  margin-bottom: 20px;
}
.hero h1, .section h2, .modal-card h2 {
  margin: 0;
  letter-spacing: -.055em;
  line-height: .98;
}
.hero h1 { font-size: clamp(3.4rem, 7vw, 6.8rem); max-width: 720px; }
.hero h1 span { color: #aeb4bd; }
.hero-lead {
  font-size: 1.18rem; line-height: 1.75; color: var(--muted);
  max-width: 640px; margin: 30px 0 0;
}
.hero-actions { display:flex; gap:12px; margin-top:34px; flex-wrap:wrap; }
.hero-note {
  display:flex; gap:12px; align-items:center; margin-top:30px; color:var(--muted); font-size:.92rem;
}
.hero-note strong { color: var(--text); }

.hero-panel {
  border: 1px solid rgba(255,255,255,.12);
  border-radius: 26px;
  overflow: hidden;
  background: linear-gradient(180deg, #15171c, #0c0e12);
  box-shadow: 0 40px 90px rgba(0,0,0,.42), inset 0 1px 0 rgba(255,255,255,.06);
  transform: perspective(1200px) rotateY(-4deg) rotateX(2deg);
}
.window-bar {
  height: 52px; border-bottom:1px solid var(--line); display:flex; align-items:center;
  padding:0 18px; position:relative;
}
.window-dots { display:flex; gap:7px; }
.window-dots span { width:8px; height:8px; border-radius:50%; background:#4d5159; }
.window-title { position:absolute; left:50%; transform:translateX(-50%); color:#7e858f; font-size:.72rem; }
.dashboard { min-height:470px; display:grid; grid-template-columns:72px 1fr; }
.dashboard-sidebar {
  border-right:1px solid var(--line); padding:20px 15px; display:flex; flex-direction:column; gap:18px; align-items:center;
}
.mini-logo {
  width:30px;height:30px;border-radius:9px;background:#f1f2f4;color:#0a0b0d;
  display:flex;align-items:center;justify-content:center;font-weight:900;margin-bottom:10px;
}
.sidebar-line { width:31px;height:7px;border-radius:10px;background:#2a2e35; }
.sidebar-line.active { background:#737b87; }
.dashboard-content { padding:30px; }
.dashboard-top { display:flex;justify-content:space-between;gap:20px;align-items:flex-start; }
.label { color:#8c939d;font-size:.74rem;text-transform:uppercase;letter-spacing:.1em; }
.metric { font-size:3rem;font-weight:800;letter-spacing:-.05em;margin-top:6px; }
.status-pill {
  padding:8px 11px;border-radius:999px;background:rgba(255,255,255,.07);border:1px solid var(--line);
  color:#d5d9df;font-size:.72rem;
}
.progress-track { height:7px;background:#242830;border-radius:100px;margin:20px 0 26px;overflow:hidden; }
.progress-fill { width:92%;height:100%;background:#d9dde3;border-radius:100px; }
.stats-grid { display:grid;grid-template-columns:repeat(3,1fr);gap:10px; }
.stat-card {
  border:1px solid var(--line);background:rgba(255,255,255,.025);padding:15px;border-radius:14px;
}
.stat-card span { display:block;color:#7f8792;font-size:.7rem;margin-bottom:6px; }
.stat-card strong { font-size:1.25rem; }
.course-card {
  display:flex;align-items:center;justify-content:space-between;gap:20px;
  margin-top:16px;padding:18px;border-radius:16px;background:#171a20;border:1px solid var(--line);
}
.course-card h3 { margin:7px 0 5px;font-size:.95rem; }
.course-card p { margin:0;color:#858c96;font-size:.72rem; }
.course-tag { color:#a8afb9;font-size:.65rem;text-transform:uppercase;letter-spacing:.1em; }
.course-score { font-size:1.35rem;font-weight:800; }
.activity-row {
  display:flex;gap:12px;align-items:center;margin-top:16px;padding:15px;border-top:1px solid var(--line);
}
.activity-icon {
  width:30px;height:30px;border:1px solid var(--line);border-radius:50%;display:flex;align-items:center;justify-content:center;
  color:#e6e8eb;font-size:.78rem;
}
.activity-row strong { display:block;font-size:.78rem;margin-bottom:3px; }
.activity-row span { display:block;color:#7f8792;font-size:.68rem;line-height:1.5; }

.trust-strip {
  width:min(calc(100% - 40px), var(--max)); margin:0 auto;
  display:grid;grid-template-columns:repeat(4,1fr);border-top:1px solid var(--line);border-bottom:1px solid var(--line);
}
.trust-strip span { padding:20px 18px;color:#858c96;font-size:.78rem;text-align:center;border-right:1px solid var(--line); }
.trust-strip span:last-child { border-right:0; }

.section { width:min(calc(100% - 40px), var(--max));margin:0 auto;padding:120px 0; }
.section-heading { max-width:790px;margin-bottom:54px; }
.section-heading.narrow { max-width:680px; }
.section h2 { font-size:clamp(2.6rem,5vw,5rem); }
.section-heading p, .security-copy p, .pricing-card p, .contact-card p {
  color:var(--muted);font-size:1.05rem;line-height:1.75;max-width:680px;margin:24px 0 0;
}
.feature-grid { display:grid;grid-template-columns:repeat(3,1fr);gap:14px; }
.feature-card {
  min-height:230px;padding:26px;border:1px solid var(--line);border-radius:20px;
  background:linear-gradient(180deg,rgba(255,255,255,.035),rgba(255,255,255,.012));
}
.feature-number { color:#747b85;font-size:.72rem;letter-spacing:.1em; }
.feature-card h3 { font-size:1.35rem;margin:48px 0 10px; }
.feature-card p { color:#8f96a0;line-height:1.65;margin:0;font-size:.92rem; }

.flow-section { border-top:1px solid var(--line); }
.flow-grid { display:grid;grid-template-columns:repeat(4,1fr);gap:14px; }
.flow-step { border-top:1px solid #343840;padding:24px 6px 0; }
.flow-step span {
  width:34px;height:34px;display:flex;align-items:center;justify-content:center;border:1px solid var(--line);
  border-radius:50%;font-size:.75rem;color:#b7bdc6;margin-bottom:34px;
}
.flow-step strong { display:block;font-size:1rem;margin-bottom:9px; }
.flow-step p { margin:0;color:#858c96;line-height:1.6;font-size:.86rem; }

.security-section {
  display:grid;grid-template-columns:.9fr 1.1fr;gap:80px;align-items:start;border-top:1px solid var(--line);
}
.security-list { border-top:1px solid var(--line); }
.security-list > div { display:grid;grid-template-columns:42px 1fr;gap:10px;padding:24px 0;border-bottom:1px solid var(--line); }
.security-list > div > span {
  width:28px;height:28px;border-radius:9px;border:1px solid var(--line);display:flex;align-items:center;justify-content:center;
  color:#d4d8de;font-size:.72rem;
}
.security-list p { margin:0;color:#8d949e;font-size:.9rem;line-height:1.6; }
.security-list strong { color:#eef0f3;font-size:.95rem; }

.pricing-section { padding-top:30px; }
.pricing-card {
  border:1px solid rgba(255,255,255,.14);border-radius:28px;padding:48px;
  display:grid;grid-template-columns:1.3fr .7fr;gap:60px;
  background:linear-gradient(135deg,rgba(255,255,255,.065),rgba(255,255,255,.018));
}
.pricing-card h2 { font-size:clamp(2.8rem,5.4vw,5.4rem); }
.pricing-side { display:flex;flex-direction:column;align-items:flex-start;justify-content:center; }
.pricing-badge {
  display:inline-flex;padding:9px 12px;border-radius:999px;border:1px solid var(--line);font-size:.75rem;color:#c6cbd2;
}
.pricing-side p { font-size:.92rem;margin-bottom:24px; }

.contact-section { padding-top:40px; }
.contact-card {
  display:grid;grid-template-columns:1fr 1fr;gap:70px;padding:54px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line);
}
.contact-links { display:flex;flex-direction:column;justify-content:center; }
.contact-links a { padding:18px 0;border-bottom:1px solid var(--line);display:flex;justify-content:space-between;gap:20px; }
.contact-links a:first-child { border-top:1px solid var(--line); }
.contact-links span { color:#858c96;font-size:.8rem; }
.contact-links strong { font-size:.9rem; }

footer {
  width:min(calc(100% - 40px), var(--max));margin:0 auto;padding:36px 0 44px;
  display:flex;justify-content:space-between;gap:30px;align-items:center;color:#747b85;font-size:.77rem;
}
.footer-brand { display:flex;align-items:center;gap:12px; }
.footer-brand div { display:flex;flex-direction:column;gap:4px; }
.footer-brand strong { color:#e3e6ea;letter-spacing:.12em;font-size:.75rem; }
.footer-meta { display:flex;gap:18px;align-items:center; }
.footer-meta a:hover { color:#fff; }

.modal { display:none;position:fixed;inset:0;z-index:100; }
.modal.active { display:block; }
.modal-backdrop { position:absolute;inset:0;background:rgba(0,0,0,.74);backdrop-filter:blur(10px); }
.modal-card {
  position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);
  width:min(calc(100% - 34px),520px);padding:34px;border-radius:24px;
  border:1px solid rgba(255,255,255,.14);background:#111318;box-shadow:0 30px 90px rgba(0,0,0,.55);
}
.modal-card h2 { font-size:2.5rem;margin-bottom:18px; }
.modal-card p { color:#969da8;line-height:1.7;margin:0 0 24px; }
.modal-close {
  position:absolute;right:16px;top:14px;width:36px;height:36px;border-radius:50%;
  border:1px solid var(--line);background:transparent;color:#d9dde3;font-size:1.4rem;cursor:pointer;
}

@media (max-width: 980px) {
  .nav, .header-actions { display:none; }
  .menu-button { display:block; }
  .site-header.mobile-open { height:auto; flex-wrap:wrap; padding:20px 0; }
  .site-header.mobile-open .nav {
    display:flex; order:4; width:100%; flex-direction:column; align-items:flex-start; gap:0;
    border-top:1px solid var(--line); padding-top:10px;
  }
  .site-header.mobile-open .nav a { width:100%;padding:12px 0; }
  .site-header.mobile-open .header-actions { display:flex;order:5;width:100%;padding:8px 0 4px; }
  .hero { grid-template-columns:1fr; padding-top:72px; gap:56px; }
  .hero-panel { transform:none; max-width:720px; }
  .feature-grid { grid-template-columns:repeat(2,1fr); }
  .flow-grid { grid-template-columns:repeat(2,1fr); gap:34px 18px; }
  .security-section, .pricing-card, .contact-card { grid-template-columns:1fr; gap:44px; }
  .trust-strip { grid-template-columns:repeat(2,1fr); }
  .trust-strip span:nth-child(2) { border-right:0; }
  .trust-strip span:nth-child(-n+2) { border-bottom:1px solid var(--line); }
}

@media (max-width: 640px) {
  .site-header, .hero, .trust-strip, .section, footer { width:min(calc(100% - 28px), var(--max)); }
  .site-header { height:72px; }
  .hero { min-height:auto;padding:58px 0 62px; }
  .hero h1 { font-size:clamp(3.15rem,16vw,5.2rem); }
  .hero-lead { font-size:1.02rem; }
  .hero-note { align-items:flex-start;flex-direction:column;gap:4px; }
  .dashboard { grid-template-columns:52px 1fr; min-height:420px; }
  .dashboard-sidebar { padding:16px 10px; }
  .sidebar-line { width:23px; }
  .dashboard-content { padding:20px 16px; }
  .stats-grid { grid-template-columns:1fr; }
  .stat-card:nth-child(n+2) { display:none; }
  .course-card { align-items:flex-start; }
  .window-title { display:none; }
  .section { padding:88px 0; }
  .section h2 { font-size:clamp(2.45rem,13vw,4.2rem); }
  .feature-grid { grid-template-columns:1fr; }
  .feature-card { min-height:200px; }
  .flow-grid { grid-template-columns:1fr; }
  .pricing-card { padding:30px 24px; }
  .contact-card { padding:38px 0; }
  .contact-links a { flex-direction:column;gap:6px; }
  footer { align-items:flex-start;flex-direction:column; }
  .footer-meta { align-items:flex-start;flex-direction:column;gap:7px; }
}