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

:root {
  --purple: #7c3aed;
  --purple-light: #a78bfa;
  --indigo: #4f46e5;
  --bg: #07070f;
  --surface: #0f0f1a;
  --surface-2: #151524;
  --border: rgba(255,255,255,0.07);
  --text: #f1f5f9;
  --text-muted: #94a3b8;
  --text-dim: #64748b;
  --radius: 16px;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  overflow-x: hidden;
}

.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ── Navigation ── */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: 16px 0;
  background: rgba(7, 7, 15, 0.8);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
}

.nav-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--text);
}

.logo-text {
  font-size: 1.1rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.logo-icon {
  display: flex;
  align-items: center;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
}

.nav-links a {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 500;
  transition: color 0.2s;
}

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

/* ── Buttons ── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 10px 20px;
  border-radius: 10px;
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s;
  border: none;
  text-decoration: none;
  white-space: nowrap;
}

.btn-nav {
  background: var(--surface-2);
  color: var(--text);
  border: 1px solid var(--border);
}

.btn-nav:hover {
  background: var(--surface);
  border-color: rgba(124, 58, 237, 0.4);
  color: var(--purple-light);
}

.btn-primary {
  background: linear-gradient(135deg, var(--purple), var(--indigo));
  color: white;
  padding: 14px 28px;
  font-size: 1rem;
  border-radius: 12px;
  box-shadow: 0 0 30px rgba(124, 58, 237, 0.35);
}

.btn-primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 40px rgba(124, 58, 237, 0.5);
}

/* ── Hero ── */
.hero {
  position: relative;
  padding: 160px 0 80px;
  text-align: center;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.35;
}

.orb-1 {
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, #7c3aed 0%, transparent 70%);
  top: -200px;
  left: 50%;
  transform: translateX(-50%);
}

.orb-2 {
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, #4f46e5 0%, transparent 70%);
  bottom: 0;
  right: -100px;
  opacity: 0.2;
}

.grid-overlay {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.02) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.02) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse at 50% 0%, black 0%, transparent 70%);
}

.hero .container {
  position: relative;
  z-index: 1;
}

.badge {
  display: inline-flex;
  align-items: center;
  padding: 6px 16px;
  border-radius: 100px;
  background: rgba(124, 58, 237, 0.12);
  border: 1px solid rgba(124, 58, 237, 0.3);
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--purple-light);
  letter-spacing: 0.05em;
  text-transform: uppercase;
  margin-bottom: 28px;
}

.hero-headline {
  font-size: clamp(2.4rem, 5.5vw, 4rem);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.03em;
  margin-bottom: 20px;
}

.gradient-text {
  background: linear-gradient(135deg, #a78bfa, #818cf8, #60a5fa);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-sub {
  font-size: 1.15rem;
  color: var(--text-muted);
  max-width: 520px;
  margin: 0 auto 40px;
  line-height: 1.7;
}

.waitlist-form {
  display: flex;
  gap: 10px;
  max-width: 480px;
  margin: 0 auto;
}

.email-input {
  flex: 1;
  padding: 14px 18px;
  border-radius: 12px;
  background: var(--surface-2);
  border: 1px solid var(--border);
  color: var(--text);
  font-size: 0.95rem;
  font-family: inherit;
  outline: none;
  transition: border-color 0.2s;
}

.email-input::placeholder {
  color: var(--text-dim);
}

.email-input:focus {
  border-color: rgba(124, 58, 237, 0.5);
  box-shadow: 0 0 0 3px rgba(124, 58, 237, 0.1);
}

.form-note {
  margin-top: 12px;
  font-size: 0.8rem;
  color: var(--text-dim);
}

/* ── Vault Preview ── */
.vault-preview {
  position: relative;
  margin-top: 64px;
  display: flex;
  justify-content: center;
}

.vault-glow {
  position: absolute;
  bottom: -30px;
  left: 50%;
  transform: translateX(-50%);
  width: 80%;
  height: 80px;
  background: var(--purple);
  filter: blur(60px);
  opacity: 0.2;
  border-radius: 50%;
  z-index: 0;
}

.vault-window {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: 700px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 16px;
  overflow: hidden;
  box-shadow:
    0 0 0 1px rgba(124, 58, 237, 0.1),
    0 30px 80px rgba(0, 0, 0, 0.5),
    0 0 100px rgba(124, 58, 237, 0.08);
}

.vault-toolbar {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 14px 20px;
  background: rgba(255,255,255,0.03);
  border-bottom: 1px solid var(--border);
}

.dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
}

.dot-red { background: #ff5f57; }
.dot-yellow { background: #febc2e; }
.dot-green { background: #28c840; }

.vault-title {
  flex: 1;
  text-align: center;
  font-size: 0.8rem;
  color: var(--text-dim);
  font-weight: 500;
  margin-left: -52px;
}

.vault-body {
  display: flex;
  min-height: 220px;
}

.vault-sidebar {
  width: 140px;
  padding: 12px 8px;
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  gap: 4px;
  flex-shrink: 0;
}

.sidebar-item {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 10px;
  border-radius: 8px;
  font-size: 0.78rem;
  color: var(--text-dim);
  cursor: pointer;
  transition: all 0.15s;
}

.sidebar-item.active {
  background: rgba(124, 58, 237, 0.12);
  color: var(--purple-light);
}

.vault-list {
  flex: 1;
  padding: 8px;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.vault-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 12px;
  border-radius: 10px;
  cursor: pointer;
  transition: background 0.15s;
}

.vault-item:hover,
.vault-item.active {
  background: rgba(255,255,255,0.04);
}

.item-icon {
  width: 32px;
  height: 32px;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.9rem;
  font-weight: 700;
  color: white;
  flex-shrink: 0;
}

.item-info {
  flex: 1;
  display: flex;
  flex-direction: column;
  min-width: 0;
}

.item-name {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text);
}

.item-user {
  font-size: 0.72rem;
  color: var(--text-dim);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.item-lock {
  font-size: 0.75rem;
  color: var(--text-dim);
  letter-spacing: 2px;
}

/* ── Features ── */
.features {
  padding: 120px 0;
}

.section-label {
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--purple-light);
  margin-bottom: 16px;
}

.section-title {
  font-size: clamp(1.8rem, 3.5vw, 2.8rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.1;
  margin-bottom: 64px;
  color: var(--text);
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 20px;
}

.feature-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px;
  transition: all 0.3s;
  position: relative;
  overflow: hidden;
}

.feature-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 0% 0%, rgba(124, 58, 237, 0.06) 0%, transparent 60%);
  opacity: 0;
  transition: opacity 0.3s;
}

.feature-card:hover {
  border-color: rgba(124, 58, 237, 0.3);
  transform: translateY(-2px);
  box-shadow: 0 8px 40px rgba(0, 0, 0, 0.3);
}

.feature-card:hover::before {
  opacity: 1;
}

.feature-icon {
  width: 48px;
  height: 48px;
  background: rgba(124, 58, 237, 0.1);
  border: 1px solid rgba(124, 58, 237, 0.2);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
}

.feature-card h3 {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 10px;
  color: var(--text);
}

.feature-card p {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.65;
}

/* ── Security ── */
.security {
  padding: 120px 0;
  background: var(--surface);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.security-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}

.security-desc {
  font-size: 1rem;
  color: var(--text-muted);
  margin-bottom: 32px;
  line-height: 1.7;
}

.security-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.security-list li {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 0.9rem;
  color: var(--text-muted);
}

.check {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 24px;
  height: 24px;
  border-radius: 6px;
  background: rgba(124, 58, 237, 0.1);
  flex-shrink: 0;
}

.security-visual {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  height: 300px;
}

.lock-ring {
  position: absolute;
  border-radius: 50%;
  border: 1px solid rgba(124, 58, 237, 0.15);
  animation: pulse-ring 4s ease-in-out infinite;
}

.lock-ring-1 {
  width: 120px;
  height: 120px;
  animation-delay: 0s;
}

.lock-ring-2 {
  width: 200px;
  height: 200px;
  animation-delay: 0.8s;
  border-color: rgba(124, 58, 237, 0.1);
}

.lock-ring-3 {
  width: 280px;
  height: 280px;
  animation-delay: 1.6s;
  border-color: rgba(124, 58, 237, 0.06);
}

@keyframes pulse-ring {
  0%, 100% { transform: scale(1); opacity: 0.6; }
  50% { transform: scale(1.03); opacity: 1; }
}

.lock-center {
  width: 96px;
  height: 96px;
  background: rgba(124, 58, 237, 0.1);
  border: 1px solid rgba(124, 58, 237, 0.3);
  border-radius: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  z-index: 1;
  box-shadow: 0 0 40px rgba(124, 58, 237, 0.2);
}

.security-tags {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.stag {
  position: absolute;
  padding: 6px 14px;
  border-radius: 100px;
  background: var(--surface-2);
  border: 1px solid var(--border);
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--purple-light);
  white-space: nowrap;
}

/* ── CTA ── */
.cta-section {
  padding: 120px 0;
}

.cta-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 24px;
  padding: 80px 40px;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.cta-orb {
  position: absolute;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(124, 58, 237, 0.15) 0%, transparent 70%);
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  pointer-events: none;
}

.cta-title {
  font-size: clamp(1.8rem, 3.5vw, 2.8rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  margin-bottom: 16px;
  position: relative;
}

.cta-sub {
  font-size: 1rem;
  color: var(--text-muted);
  max-width: 460px;
  margin: 0 auto 40px;
  line-height: 1.7;
  position: relative;
}

.cta-form {
  justify-content: center;
  position: relative;
}

/* ── Footer ── */
.footer {
  padding: 40px 0 60px;
  border-top: 1px solid var(--border);
}

.footer-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
  text-align: center;
}

.footer-tagline {
  font-size: 0.85rem;
  color: var(--text-dim);
}

.footer-links {
  display: flex;
  gap: 24px;
}

.footer-links a {
  font-size: 0.85rem;
  color: var(--text-dim);
  text-decoration: none;
  transition: color 0.2s;
}

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

.footer-copy {
  font-size: 0.8rem;
  color: var(--text-dim);
}

/* ── Responsive ── */
@media (max-width: 768px) {
  .nav-links a:not(.btn) {
    display: none;
  }

  .waitlist-form {
    flex-direction: column;
  }

  .btn-primary {
    width: 100%;
  }

  .security-inner {
    grid-template-columns: 1fr;
    gap: 60px;
  }

  .security-visual {
    height: 240px;
  }

  .stag {
    font-size: 0.65rem;
    padding: 4px 10px;
  }

  .vault-sidebar {
    display: none;
  }

  .cta-card {
    padding: 60px 24px;
  }

  .cta-form {
    flex-direction: column;
  }
}

@media (max-width: 480px) {
  .hero {
    padding: 130px 0 60px;
  }

  .features-grid {
    grid-template-columns: 1fr;
  }
}