/* App is nothing — Apple & Osmo.supply Diamond Standard Corporate Stylesheet */

@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@300;400;500;600;700;800;900&family=JetBrains+Mono:wght@400;500;600;700&display=swap');

:root {
  --ain-bg: #000000;
  --ain-surface: #07090E;
  --ain-surface-elevated: #0E121B;
  --ain-card: rgba(14, 18, 27, 0.75);
  --ain-border: rgba(255, 255, 255, 0.12);
  --ain-border-subtle: rgba(255, 255, 255, 0.06);
  --ain-border-glow: rgba(255, 255, 255, 0.28);
  
  --ain-text-primary: #FFFFFF;
  --ain-text-secondary: #94A3B8;
  --ain-text-muted: #64748B;
  
  --ain-silver: linear-gradient(135deg, #FFFFFF 0%, #CBD5E1 45%, #94A3B8 80%, #64748B 100%);
  --ain-silver-light: #E2E8F0;
  --ain-emerald: #10B981;
  --ain-cyan: #38BDF8;
  
  --ain-font: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'SF Pro Display', sans-serif;
  --ain-font-mono: 'JetBrains Mono', monospace;
  
  --ain-radius-sm: 8px;
  --ain-radius-md: 14px;
  --ain-radius-lg: 24px;
  --ain-radius-full: 9999px;
  --ain-transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

[data-theme="light"] {
  --ain-bg: #F8FAFC;
  --ain-surface: #FFFFFF;
  --ain-surface-elevated: #EEF2F7;
  --ain-card: rgba(255, 255, 255, 0.92);
  --ain-border: rgba(0, 0, 0, 0.09);
  --ain-border-subtle: rgba(0, 0, 0, 0.05);
  --ain-border-glow: rgba(0, 0, 0, 0.22);

  --ain-text-primary: #0F172A;
  --ain-text-secondary: #475569;
  --ain-text-muted: #94A3B8;

  --ain-silver: linear-gradient(135deg, #0F172A 0%, #334155 50%, #64748B 100%);
  --ain-silver-light: #1E293B;

  /* Override hardcoded dark element colors */
  --ain-emerald: #059669;
  --ain-cyan: #0284C7;
}

body.ain-body {
  background-color: var(--ain-bg);
  color: var(--ain-text-primary);
  font-family: var(--ain-font);
  margin: 0;
  padding: 0;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Apple-Style Navigation Bar */
.ain-nav-wrapper {
  position: fixed;
  top: 16px;
  left: 0;
  right: 0;
  z-index: 999;
  display: flex;
  justify-content: center;
  padding: 0 16px;
  pointer-events: none;
}

.ain-nav {
  pointer-events: auto;
  max-width: 1200px;
  width: 100%;
  height: 56px;
  border-radius: var(--ain-radius-full);
  background: rgba(10, 13, 20, 0.78);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--ain-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 24px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
  transition: var(--ain-transition);
}

[data-theme="light"] .ain-nav {
  background: rgba(248, 250, 252, 0.88);
  border-color: rgba(0, 0, 0, 0.1);
  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.06), 0 1px 0 rgba(0, 0, 0, 0.04);
}

.ain-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--ain-text-primary);
  font-weight: 800;
  font-size: 1.05rem;
  letter-spacing: -0.02em;
}

.ain-brand-emblem {
  width: 28px;
  height: 28px;
  border-radius: 8px;
  background: #FFFFFF;
  color: #000000;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 900;
  font-size: 0.85rem;
}

.ain-nav-links {
  display: flex;
  align-items: center;
  gap: 22px;
}

.ain-nav-links a {
  color: var(--ain-text-secondary);
  font-size: 0.88rem;
  font-weight: 600;
  text-decoration: none;
  transition: var(--ain-transition);
}

.ain-nav-links a:hover,
.ain-nav-links a.active {
  color: var(--ain-text-primary);
}

.ain-nav-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.ain-btn-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  border-radius: var(--ain-radius-full);
  font-size: 0.82rem;
  font-weight: 700;
  text-decoration: none;
  transition: var(--ain-transition);
}

.ain-btn-primary {
  background: #FFFFFF;
  color: #000000;
  border: 1px solid #FFFFFF;
}

.ain-btn-primary:hover {
  background: #E2E8F0;
  transform: translateY(-1px);
}

.ain-btn-secondary {
  background: rgba(255, 255, 255, 0.06);
  color: var(--ain-text-primary);
  border: 1px solid var(--ain-border);
}

.ain-btn-secondary:hover {
  background: rgba(255, 255, 255, 0.12);
  border-color: var(--ain-border-glow);
  transform: translateY(-1px);
}

[data-theme="light"] .ain-btn-primary {
  background: #0F172A;
  color: #FFFFFF;
  border-color: #0F172A;
}

[data-theme="light"] .ain-btn-primary:hover {
  background: #1E293B;
}

[data-theme="light"] .ain-btn-secondary {
  background: rgba(15, 23, 42, 0.06);
  color: var(--ain-text-primary);
  border-color: var(--ain-border);
}

[data-theme="light"] .ain-btn-secondary:hover {
  background: rgba(15, 23, 42, 0.1);
  border-color: var(--ain-border-glow);
}

/* Apple & Osmo Editorial Hero */
.ain-hero {
  padding: 140px 24px 80px 24px;
  text-align: center;
  max-width: 1120px;
  margin: 0 auto;
}

.ain-hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px;
  border-radius: var(--ain-radius-full);
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--ain-border);
  font-family: var(--ain-font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.14em;
  font-weight: 700;
  color: var(--ain-silver-light);
  margin-bottom: 28px;
  text-transform: uppercase;
}

.ain-hero-title {
  font-size: clamp(2.5rem, 6.5vw, 4.6rem);
  font-weight: 900;
  line-height: 1.08;
  letter-spacing: -0.035em;
  margin: 0 0 24px 0;
  color: var(--ain-text-primary);
}

.ain-hero-title span.silver-text {
  background: var(--ain-silver);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.ain-hero-subtitle {
  max-width: 820px;
  margin: 0 auto 40px auto;
  font-size: clamp(1.05rem, 2vw, 1.25rem);
  line-height: 1.7;
  color: var(--ain-text-secondary);
  font-weight: 400;
}

.ain-cta-row {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 60px;
}

/* Feature & Principle Cards */
.ain-card {
  background: var(--ain-card);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--ain-border);
  border-radius: var(--ain-radius-lg);
  padding: 36px 32px;
  transition: var(--ain-transition);
}

.ain-card:hover {
  border-color: var(--ain-border-glow);
  transform: translateY(-2px);
  box-shadow: 0 20px 45px rgba(0, 0, 0, 0.6);
}

[data-theme="light"] .ain-card {
  background: #FFFFFF;
  border-color: rgba(0, 0, 0, 0.08);
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.04);
}

[data-theme="light"] .ain-card:hover {
  box-shadow: 0 12px 36px rgba(0, 0, 0, 0.1);
}

.ain-tag {
  display: inline-block;
  font-family: var(--ain-font-mono);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  padding: 4px 10px;
  border-radius: 6px;
  text-transform: uppercase;
}

.ain-tag-silver {
  background: rgba(255, 255, 255, 0.08);
  color: var(--ain-silver-light);
  border: 1px solid var(--ain-border);
}

.ain-tag-emerald {
  background: rgba(16, 185, 129, 0.12);
  color: #10B981;
  border: 1px solid rgba(16, 185, 129, 0.3);
}

.ain-tag-cyan {
  background: rgba(56, 189, 248, 0.12);
  color: #38BDF8;
  border: 1px solid rgba(56, 189, 248, 0.3);
}

[data-theme="light"] .ain-tag-silver {
  background: rgba(15, 23, 42, 0.06);
  color: #334155;
  border-color: rgba(15, 23, 42, 0.12);
}

[data-theme="light"] .ain-tag-emerald {
  background: rgba(5, 150, 105, 0.1);
  color: #059669;
  border-color: rgba(5, 150, 105, 0.25);
}

[data-theme="light"] .ain-tag-cyan {
  background: rgba(2, 132, 199, 0.1);
  color: #0284C7;
  border-color: rgba(2, 132, 199, 0.25);
}

/* Coming Soon App Showcase Grid */
.coming-soon-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 28px;
}

.coming-soon-card {
  background: linear-gradient(180deg, rgba(17, 22, 33, 0.8) 0%, rgba(9, 12, 19, 0.95) 100%);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 24px;
  padding: 36px 30px;
  position: relative;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: var(--ain-transition);
}

.coming-soon-card:hover {
  border-color: rgba(255, 255, 255, 0.3);
  transform: translateY(-3px);
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.7);
}

[data-theme="light"] .coming-soon-card {
  background: linear-gradient(180deg, #FFFFFF 0%, #F8FAFC 100%);
  border-color: rgba(0, 0, 0, 0.08);
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.04);
}

[data-theme="light"] .coming-soon-card:hover {
  border-color: rgba(0, 0, 0, 0.18);
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.1);
}

/* Footer styling */
.ain-footer {
  background: var(--ain-surface);
  border-top: 1px solid var(--ain-border-subtle);
  padding: 80px 24px 40px 24px;
  color: var(--ain-text-secondary);
  font-size: 0.88rem;
  transition: background-color 0.25s ease, border-color 0.25s ease;
}

.ain-footer-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 2fr repeat(4, 1fr);
  gap: 40px;
  margin-bottom: 60px;
}

.ain-footer-col h4 {
  font-size: 0.76rem;
  font-weight: 800;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ain-text-primary);
  margin-bottom: 20px;
}

.ain-footer-col ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.ain-footer-col li {
  margin-bottom: 12px;
}

.ain-footer-col a {
  color: var(--ain-text-secondary);
  text-decoration: none;
  transition: var(--ain-transition);
}

.ain-footer-col a:hover {
  color: var(--ain-text-primary);
}

.ain-footer-bottom {
  max-width: 1200px;
  margin: 0 auto;
  border-top: 1px solid var(--ain-border-subtle);
  padding-top: 28px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
  font-size: 0.8rem;
  color: var(--ain-text-muted);
}

.ain-footer-bottom-link {
  color: var(--ain-text-muted);
  text-decoration: none;
  transition: color 0.22s ease;
}

.ain-footer-bottom-link:hover {
  color: var(--ain-text-primary);
}

/* ── Theme Toggle Button (Polished) ─────────────────────────────────────── */
.ain-theme-toggle {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--ain-surface-elevated);
  border: 1px solid var(--ain-border);
  color: var(--ain-text-secondary);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.85rem;
  transition: var(--ain-transition);
  outline: none;
}

.ain-theme-toggle:hover {
  background: var(--ain-surface);
  color: var(--ain-text-primary);
  border-color: var(--ain-border-glow);
  transform: rotate(15deg) scale(1.08);
}

/* Smooth theme transition on entire document */
html {
  transition: background-color 0.3s ease, color 0.3s ease;
}

/* Hero badge light mode */
[data-theme="light"] .ain-hero-badge {
  background: rgba(15, 23, 42, 0.05);
  border-color: rgba(15, 23, 42, 0.1);
  color: #334155;
}

/* Feature cards in pages use feature-card class — ensure light mode harmony */
[data-theme="light"] .feature-card {
  background: #FFFFFF;
  border-color: rgba(0, 0, 0, 0.08);
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.04);
}

[data-theme="light"] .feature-card:hover {
  box-shadow: 0 8px 28px rgba(0, 0, 0, 0.09);
  border-color: rgba(0, 0, 0, 0.14);
}

/* Mobile Responsive */
@media (max-width: 900px) {
  .ain-nav-links {
    display: none;
  }
  .ain-footer-inner {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 600px) {
  .ain-footer-inner {
    grid-template-columns: 1fr;
  }
}