:root {
  --bg: #0a0d1a;
  --bg-alt: #0f1330;
  --surface: #151a38;
  --surface-2: #1b2145;
  --border: rgba(255, 255, 255, 0.08);
  --text: #eef0fb;
  --text-muted: #9aa1c4;
  --primary: #7c5cff;
  --primary-light: #9b82ff;
  --accent: #22d3ee;
  --live: #3ddc84;
  --gradient: linear-gradient(135deg, var(--primary), var(--accent));
  --radius: 16px;
  --radius-sm: 10px;
  --shadow: 0 20px 60px rgba(0, 0, 0, 0.35);
  --max-width: 1140px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: "Inter", "Segoe UI", system-ui, -apple-system, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

img, svg { display: block; max-width: 100%; }

a { color: inherit; }

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

/* Background accents */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  background:
    radial-gradient(600px circle at 15% -10%, rgba(124, 92, 255, 0.25), transparent 60%),
    radial-gradient(500px circle at 110% 10%, rgba(34, 211, 238, 0.18), transparent 60%),
    var(--bg);
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(10px);
  background: rgba(10, 13, 26, 0.75);
  border-bottom: 1px solid var(--border);
}

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 14px;
  padding-bottom: 14px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  font-weight: 700;
  font-size: 1.15rem;
  color: var(--text);
}

.brand .live-dot {
  color: var(--live);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 28px;
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav-links a {
  text-decoration: none;
  color: var(--text-muted);
  font-size: 0.95rem;
  transition: color 0.15s ease;
}

.nav-links a:hover { color: var(--text); }

.nav-cta {
  display: flex;
  align-items: center;
  gap: 16px;
}

.nav-toggle {
  display: none;
  background: none;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text);
  width: 40px;
  height: 40px;
  font-size: 1.1rem;
  cursor: pointer;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 22px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.95rem;
  text-decoration: none;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 0.15s ease, box-shadow 0.15s ease, background 0.15s ease;
}

.btn:hover { transform: translateY(-1px); }

.btn-primary {
  background: var(--gradient);
  color: #090a14;
  box-shadow: 0 10px 30px rgba(124, 92, 255, 0.35);
}

.btn-primary:hover { box-shadow: 0 14px 36px rgba(124, 92, 255, 0.5); }

.btn-ghost {
  background: transparent;
  color: var(--text);
  border-color: var(--border);
}

.btn-ghost:hover { background: var(--surface); }

.btn-block { width: 100%; }

/* Hero */
.hero {
  padding: 96px 0 72px;
  position: relative;
}

.hero .container {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 48px;
  align-items: center;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  border-radius: 999px;
  background: var(--surface);
  border: 1px solid var(--border);
  color: var(--accent);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.03em;
  text-transform: uppercase;
}

.eyebrow .pulse {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--live);
  box-shadow: 0 0 0 0 rgba(61, 220, 132, 0.6);
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0% { box-shadow: 0 0 0 0 rgba(61, 220, 132, 0.6); }
  70% { box-shadow: 0 0 0 8px rgba(61, 220, 132, 0); }
  100% { box-shadow: 0 0 0 0 rgba(61, 220, 132, 0); }
}

.hero h1 {
  font-size: clamp(2.2rem, 4vw, 3.4rem);
  line-height: 1.1;
  margin: 20px 0 20px;
}

.hero h1 .grad {
  background: var(--gradient);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero p.lead {
  color: var(--text-muted);
  font-size: 1.1rem;
  max-width: 540px;
}

.hero-actions {
  display: flex;
  gap: 14px;
  margin-top: 32px;
  flex-wrap: wrap;
}

.hero-stats {
  display: flex;
  gap: 32px;
  margin-top: 48px;
  flex-wrap: wrap;
}

.hero-stats div strong {
  display: block;
  font-size: 1.4rem;
  color: var(--text);
}

.hero-stats div span {
  color: var(--text-muted);
  font-size: 0.85rem;
}

/* Mock browser visual */
.mock-browser {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  overflow: hidden;
}

.mock-browser .bar {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 12px 16px;
  background: var(--surface-2);
  border-bottom: 1px solid var(--border);
}

.mock-browser .dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.15);
}

.mock-browser .url {
  margin-left: 10px;
  font-size: 0.75rem;
  color: var(--text-muted);
  background: var(--bg-alt);
  padding: 4px 10px;
  border-radius: 999px;
  flex: 1;
}

.mock-browser .body {
  padding: 20px;
  font-family: "SFMono-Regular", Consolas, monospace;
  font-size: 0.82rem;
}

.mock-line {
  display: flex;
  gap: 10px;
  padding: 10px 0;
  border-bottom: 1px dashed var(--border);
}

.mock-line:last-child { border-bottom: none; }

.mock-line .who {
  color: var(--accent);
  flex-shrink: 0;
}

.mock-line .what { color: var(--text-muted); }

.mock-line.result .who { color: var(--live); }
.mock-line.result .what { color: var(--text); }

/* Sections */
section { padding: 88px 0; }

.section-head {
  max-width: 640px;
  margin: 0 auto 48px;
  text-align: center;
}

.section-head .eyebrow { margin-bottom: 16px; }

.section-head h2 {
  font-size: clamp(1.7rem, 3vw, 2.4rem);
  margin: 0 0 14px;
}

.section-head p {
  color: var(--text-muted);
  margin: 0;
}

/* Steps */
.steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.step {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px 24px;
  position: relative;
}

.step .num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--gradient);
  color: #090a14;
  font-weight: 700;
  margin-bottom: 16px;
}

.step h3 {
  margin: 0 0 8px;
  font-size: 1.05rem;
}

.step p {
  margin: 0;
  color: var(--text-muted);
  font-size: 0.92rem;
}

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

.feature-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 26px;
  transition: border-color 0.15s ease, transform 0.15s ease;
}

.feature-card:hover {
  border-color: rgba(124, 92, 255, 0.4);
  transform: translateY(-2px);
}

.feature-card .icon {
  width: 42px;
  height: 42px;
  border-radius: 12px;
  background: var(--surface-2);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 16px;
  font-size: 1.2rem;
}

.feature-card h3 {
  margin: 0 0 8px;
  font-size: 1.02rem;
}

.feature-card p {
  margin: 0;
  color: var(--text-muted);
  font-size: 0.92rem;
}

/* Security band */
.security {
  background: var(--bg-alt);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.security-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: start;
}

.security-list {
  list-style: none;
  margin: 24px 0 0;
  padding: 0;
  display: grid;
  gap: 18px;
}

.security-list li {
  display: flex;
  gap: 14px;
  align-items: flex-start;
  color: var(--text-muted);
}

.security-list li strong {
  color: var(--text);
  display: block;
  margin-bottom: 2px;
}

.check {
  flex-shrink: 0;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: rgba(61, 220, 132, 0.15);
  color: var(--live);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.8rem;
  font-weight: 700;
}

.badge-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.badge-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 22px;
}

.badge-card strong {
  display: block;
  font-size: 1.3rem;
  margin-bottom: 6px;
  color: var(--accent);
}

.badge-card span {
  color: var(--text-muted);
  font-size: 0.88rem;
}

/* Audience */
.audience-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.audience-card {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
  background: linear-gradient(180deg, var(--surface), var(--bg-alt));
}

.audience-card h3 {
  margin: 0 0 10px;
}

.audience-card p {
  color: var(--text-muted);
  margin: 0;
  font-size: 0.92rem;
}

/* CTA / Contact */
.cta {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 24px;
  padding: 56px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
}

.cta-info h2 {
  margin-top: 0;
  font-size: 1.8rem;
}

.cta-info p { color: var(--text-muted); }

.cta-info ul {
  list-style: none;
  padding: 0;
  margin: 24px 0 0;
  display: grid;
  gap: 12px;
}

.cta-info ul li {
  display: flex;
  gap: 10px;
  color: var(--text-muted);
  font-size: 0.92rem;
}

.cta-info ul li .check { width: 20px; height: 20px; font-size: 0.7rem; }

form.contact-form {
  display: grid;
  gap: 16px;
}

.field { display: grid; gap: 6px; }

.field label {
  font-size: 0.85rem;
  color: var(--text-muted);
}

.field input,
.field textarea {
  background: var(--bg-alt);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 12px 14px;
  color: var(--text);
  font-family: inherit;
  font-size: 0.95rem;
}

.field input:focus,
.field textarea:focus {
  outline: none;
  border-color: var(--primary-light);
}

.field textarea { resize: vertical; min-height: 110px; }

.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }

.form-note {
  font-size: 0.78rem;
  color: var(--text-muted);
  margin: 0;
}

/* Footer */
.site-footer {
  border-top: 1px solid var(--border);
  padding: 48px 0 32px;
}

.footer-grid {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 24px;
  flex-wrap: wrap;
}

.footer-brand p {
  color: var(--text-muted);
  max-width: 320px;
  font-size: 0.9rem;
}

.footer-links {
  display: flex;
  gap: 48px;
  flex-wrap: wrap;
}

.footer-links h4 {
  margin: 0 0 12px;
  font-size: 0.85rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.footer-links ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 8px;
}

.footer-links a {
  text-decoration: none;
  color: var(--text-muted);
  font-size: 0.92rem;
}

.footer-links a:hover { color: var(--text); }

.footer-bottom {
  margin-top: 40px;
  padding-top: 20px;
  border-top: 1px solid var(--border);
  color: var(--text-muted);
  font-size: 0.82rem;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 10px;
}

/* Responsive */
@media (max-width: 900px) {
  .hero .container { grid-template-columns: 1fr; }
  .steps { grid-template-columns: repeat(2, 1fr); }
  .features { grid-template-columns: repeat(2, 1fr); }
  .security-grid { grid-template-columns: 1fr; }
  .audience-grid { grid-template-columns: 1fr; }
  .cta { grid-template-columns: 1fr; padding: 36px; }
}

@media (max-width: 680px) {
  .nav-links, .nav-cta .btn-ghost { display: none; }
  .nav-toggle { display: inline-flex; align-items: center; justify-content: center; }
  .site-header.open .nav-links {
    display: flex;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    background: var(--bg-alt);
    border-bottom: 1px solid var(--border);
    padding: 20px 24px;
    gap: 16px;
  }
  .steps { grid-template-columns: 1fr; }
  .features { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .hero { padding: 64px 0 48px; }
}