/* ── Reset & base ─────────────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg:        #0d0c1d;
  --bg2:       #13112b;
  --surface:   #1a1836;
  --border:    rgba(255,255,255,0.08);
  --text-1:    #f0eeff;
  --text-2:    #b8b4d8;
  --text-3:    #6e6a9a;
  --accent:    #818cf8;
  --accent2:   #34d399;
  --accent3:   #a78bfa;
  --radius:    14px;
  --max-w:     1100px;
}

html { scroll-behavior: smooth; }

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background: var(--bg);
  color: var(--text-2);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; text-decoration: none; }
img, svg { display: block; }

/* ── Layout helpers ───────────────────────────────────────────────────────── */
.container {
  max-width: var(--max-w);
  margin-inline: auto;
  padding-inline: 24px;
}

/* ── Nav ──────────────────────────────────────────────────────────────────── */
nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(13,12,29,0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 60px;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 600;
  font-size: 17px;
  color: var(--text-1);
}

.nav-logo svg { border-radius: 8px; }

.nav-links {
  display: flex;
  align-items: center;
  gap: 8px;
  list-style: none;
}

.nav-links a {
  padding: 6px 14px;
  border-radius: 8px;
  font-size: 14px;
  color: var(--text-2);
  transition: background 0.15s, color 0.15s;
}

.nav-links a:hover { background: var(--surface); color: var(--text-1); }

.btn-nav {
  padding: 7px 18px;
  border-radius: 8px;
  font-size: 14px;
  font-weight: 500;
  background: var(--accent);
  color: #fff;
  transition: opacity 0.15s;
}

.btn-nav:hover { opacity: 0.85; }

/* ── Buttons ──────────────────────────────────────────────────────────────── */
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 13px 28px;
  border-radius: var(--radius);
  font-size: 15px;
  font-weight: 600;
  background: var(--accent);
  color: #fff;
  transition: opacity 0.15s, transform 0.1s;
}

.btn-primary:hover { opacity: 0.88; transform: translateY(-1px); }

.btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 13px 28px;
  border-radius: var(--radius);
  font-size: 15px;
  font-weight: 500;
  background: var(--surface);
  color: var(--text-1);
  border: 1px solid var(--border);
  transition: background 0.15s, transform 0.1s;
}

.btn-secondary:hover { background: rgba(255,255,255,0.07); transform: translateY(-1px); }

/* ── Hero ─────────────────────────────────────────────────────────────────── */
.hero {
  padding: 100px 0 80px;
  text-align: center;
  position: relative;
  overflow: hidden;
}

/* Aurora glow behind hero */
.hero::before {
  content: '';
  position: absolute;
  inset: -60px;
  background:
    radial-gradient(ellipse 60% 40% at 50% 0%, rgba(129,140,248,0.18) 0%, transparent 70%),
    radial-gradient(ellipse 40% 30% at 30% 60%, rgba(167,139,250,0.10) 0%, transparent 60%),
    radial-gradient(ellipse 40% 30% at 70% 60%, rgba(52,211,153,0.08) 0%, transparent 60%);
  pointer-events: none;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 14px;
  border-radius: 99px;
  font-size: 12px;
  font-weight: 500;
  color: var(--accent);
  background: rgba(129,140,248,0.12);
  border: 1px solid rgba(129,140,248,0.25);
  margin-bottom: 28px;
}

.hero h1 {
  font-size: clamp(40px, 6vw, 72px);
  font-weight: 700;
  color: var(--text-1);
  letter-spacing: -0.02em;
  line-height: 1.1;
  margin-bottom: 24px;
}

.hero h1 .gradient {
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent3) 50%, var(--accent2) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-sub {
  max-width: 560px;
  margin-inline: auto;
  font-size: 18px;
  color: var(--text-2);
  margin-bottom: 44px;
  line-height: 1.65;
}

.hero-ctas {
  display: flex;
  justify-content: center;
  gap: 14px;
  flex-wrap: wrap;
  position: relative;
}

/* App window mockup */
.hero-visual {
  margin-top: 72px;
  position: relative;
}

.app-window {
  max-width: 820px;
  margin-inline: auto;
  border-radius: 16px;
  background: var(--surface);
  border: 1px solid var(--border);
  box-shadow:
    0 0 0 1px rgba(129,140,248,0.1),
    0 40px 120px rgba(0,0,0,0.6),
    0 0 80px rgba(129,140,248,0.08);
  overflow: hidden;
}

.window-chrome {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 12px 16px;
  background: rgba(0,0,0,0.2);
  border-bottom: 1px solid var(--border);
}

.dot { width: 10px; height: 10px; border-radius: 50%; }
.dot-red   { background: #ff5f57; }
.dot-yellow{ background: #febc2e; }
.dot-green { background: #28c840; }

.window-title {
  flex: 1;
  text-align: center;
  font-size: 12px;
  color: var(--text-3);
}

.window-body {
  display: grid;
  grid-template-columns: 200px 1fr;
  height: 380px;
}

.window-sidebar {
  background: rgba(0,0,0,0.15);
  border-right: 1px solid var(--border);
  padding: 16px 12px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.sidebar-item {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 7px 10px;
  border-radius: 7px;
  font-size: 12px;
  color: var(--text-3);
}

.sidebar-item.active {
  background: rgba(129,140,248,0.12);
  color: var(--accent);
}

.sidebar-dot {
  width: 6px; height: 6px; border-radius: 50%;
  background: currentColor;
  opacity: 0.5;
}

.window-content {
  padding: 24px 28px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.mock-title {
  height: 22px;
  width: 55%;
  background: linear-gradient(90deg, rgba(240,238,255,0.15), rgba(240,238,255,0.06));
  border-radius: 5px;
}

.mock-line {
  height: 11px;
  background: linear-gradient(90deg, rgba(255,255,255,0.06), rgba(255,255,255,0.03));
  border-radius: 4px;
}

.mock-line.w-90 { width: 90%; }
.mock-line.w-75 { width: 75%; }
.mock-line.w-80 { width: 80%; }
.mock-line.w-60 { width: 60%; }
.mock-line.w-50 { width: 50%; }
.mock-line.w-40 { width: 40%; }

.mock-gap { height: 8px; }

.mock-callout {
  border-left: 3px solid var(--accent);
  padding: 10px 14px;
  border-radius: 0 8px 8px 0;
  background: rgba(129,140,248,0.08);
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.mock-tag {
  height: 18px;
  width: 70px;
  background: rgba(52,211,153,0.2);
  border-radius: 4px;
}

/* ── Features ─────────────────────────────────────────────────────────────── */
.features {
  padding: 100px 0;
}

.section-label {
  display: inline-block;
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--accent);
  margin-bottom: 16px;
}

.section-title {
  font-size: clamp(28px, 4vw, 44px);
  font-weight: 700;
  color: var(--text-1);
  letter-spacing: -0.02em;
  line-height: 1.2;
  margin-bottom: 16px;
}

.section-sub {
  font-size: 17px;
  color: var(--text-2);
  max-width: 520px;
  line-height: 1.65;
  margin-bottom: 64px;
}

.features-grid {
  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: 28px;
  transition: border-color 0.2s, transform 0.2s;
}

.feature-card:hover {
  border-color: rgba(129,140,248,0.25);
  transform: translateY(-2px);
}

.feature-icon {
  width: 44px;
  height: 44px;
  border-radius: 11px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 18px;
  font-size: 20px;
}

.feature-card h3 {
  font-size: 16px;
  font-weight: 600;
  color: var(--text-1);
  margin-bottom: 8px;
}

.feature-card p {
  font-size: 14px;
  color: var(--text-3);
  line-height: 1.6;
}

/* ── How it works ─────────────────────────────────────────────────────────── */
.how {
  padding: 100px 0;
  background: var(--bg2);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px;
  position: relative;
}

.steps::before {
  content: '';
  position: absolute;
  top: 24px;
  left: calc(33.33% - 0px);
  right: calc(33.33% - 0px);
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--accent), transparent);
  pointer-events: none;
}

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

.step-num {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  font-weight: 700;
  color: var(--accent);
  background: rgba(129,140,248,0.12);
  border: 1px solid rgba(129,140,248,0.25);
  position: relative;
  z-index: 1;
}

.step h3 {
  font-size: 16px;
  font-weight: 600;
  color: var(--text-1);
}

.step p {
  font-size: 14px;
  color: var(--text-3);
  line-height: 1.6;
}

/* ── Platforms ────────────────────────────────────────────────────────────── */
.platforms {
  padding: 100px 0;
}

.platform-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 40px;
}

.pill {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 20px;
  border-radius: 99px;
  font-size: 14px;
  font-weight: 500;
  color: var(--text-2);
  background: var(--surface);
  border: 1px solid var(--border);
}

.pill-dot {
  width: 8px; height: 8px; border-radius: 50%;
}

/* ── CTA strip ────────────────────────────────────────────────────────────── */
.cta-strip {
  padding: 100px 0;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.cta-strip::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 70% 60% at 50% 50%, rgba(129,140,248,0.12) 0%, transparent 70%);
  pointer-events: none;
}

.cta-strip h2 {
  font-size: clamp(28px, 4vw, 48px);
  font-weight: 700;
  color: var(--text-1);
  letter-spacing: -0.02em;
  margin-bottom: 16px;
}

.cta-strip p {
  font-size: 17px;
  color: var(--text-2);
  margin-bottom: 40px;
}

.cta-btns {
  display: flex;
  justify-content: center;
  gap: 14px;
  flex-wrap: wrap;
}

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

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

.footer-logo {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  color: var(--text-3);
}

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

.footer-links a {
  font-size: 13px;
  color: var(--text-3);
  transition: color 0.15s;
}

.footer-links a:hover { color: var(--text-2); }

.footer-copy {
  font-size: 13px;
  color: var(--text-3);
}

/* ── Responsive ───────────────────────────────────────────────────────────── */
@media (max-width: 768px) {
  .nav-links { display: none; }

  .features-grid { grid-template-columns: 1fr; }
  .steps { grid-template-columns: 1fr; }
  .steps::before { display: none; }

  .window-body { grid-template-columns: 1fr; }
  .window-sidebar { display: none; }

  .footer-inner { flex-direction: column; align-items: flex-start; }
}

@media (max-width: 1024px) {
  .features-grid { grid-template-columns: repeat(2, 1fr); }
}

/* ── Aurora pulse animation on logo ──────────────────────────────────────── */
@keyframes aurora-pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.75; }
}

.hero-logo-wrap {
  display: flex;
  justify-content: center;
  margin-bottom: 28px;
}

.hero-logo-wrap svg {
  animation: aurora-pulse 4s ease-in-out infinite;
  border-radius: 22px;
  box-shadow: 0 0 40px rgba(129,140,248,0.25);
}

/* ── Sync tiers section ───────────────────────────────────────────────────── */
.sync { padding: 100px 0; background: var(--bg); }

.sync-tiers {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 48px;
}

.tier-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px 28px;
}

.tier-card--featured {
  border-color: rgba(129,140,248,0.4);
  background: rgba(129,140,248,0.06);
}

.tier-icon {
  font-size: 28px;
  margin-bottom: 16px;
}

.tier-card h3 {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text-1);
  margin-bottom: 8px;
}

.tier-card > p {
  font-size: 0.9rem;
  color: var(--text-2);
  line-height: 1.6;
  margin-bottom: 20px;
}

.tier-card ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.tier-card ul li {
  font-size: 0.85rem;
  color: var(--text-3);
  padding-left: 18px;
  position: relative;
}

.tier-card ul li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--accent2);
  font-size: 0.8rem;
}

@media (max-width: 768px) {
  .sync-tiers { grid-template-columns: 1fr; }
}