:root {
  --bg-base: #09090b;
  --bg-surface: #0e121a;
  --bg-card: rgba(18, 24, 38, 0.75);
  --bg-card-hover: rgba(24, 32, 50, 0.9);
  --border-subtle: rgba(255, 255, 255, 0.08);
  --border-active: rgba(255, 255, 255, 0.2);
  
  --accent-gold: #f59e0b;
  --accent-amber: #f59e0b;
  --accent-emerald: #10b981;
  --accent-sky: #0ea5e9;
  --accent-cyan: #06b6d4;
  --accent-violet: #8b5cf6;
  --accent-orange: #f97316;
  --accent-yellow: #eab308;
  --accent-rose: #f43f5e;
  --accent-red: #ef4444;
  --accent-pink: #ec4899;

  --text-main: #f8fafc;
  --text-muted: #94a3b8;
  --text-dim: #64748b;
  --text-eyebrow: #71717a;

  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 20px;
  --radius-2xl: 24px;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Display", "Segoe UI", Roboto, sans-serif;
}

body {
  background-color: var(--bg-base);
  color: var(--text-main);
  min-height: 100vh;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  background-image: 
    radial-gradient(ellipse 80% 50% at 50% -20%, rgba(59, 130, 246, 0.12), transparent),
    radial-gradient(ellipse 50% 30% at 85% 10%, rgba(245, 158, 11, 0.06), transparent);
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

/* Header & Top Bar */
header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(9, 9, 11, 0.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-subtle);
  padding: 16px 0;
}

.header-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.brand-wrapper {
  display: flex;
  align-items: center;
  gap: 14px;
  text-decoration: none;
}

.brand-icon {
  width: 36px;
  height: 36px;
  background: #181c24;
  border: 1px solid rgba(245, 158, 11, 0.5);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-gold);
  font-weight: 800;
  font-size: 0.95rem;
  letter-spacing: -0.05em;
  box-shadow: 0 0 12px rgba(245, 158, 11, 0.25);
}

.brand-text {
  display: flex;
  flex-direction: column;
}

.brand-title {
  font-size: 0.95rem;
  font-weight: 800;
  letter-spacing: 0.06em;
  color: var(--text-main);
  text-transform: uppercase;
}

.brand-subtitle {
  font-size: 0.65rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  color: var(--text-dim);
  text-transform: uppercase;
}

.top-pills {
  display: flex;
  align-items: center;
  gap: 10px;
}

.pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 12px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-subtle);
  border-radius: 9999px;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--text-muted);
  text-decoration: none;
  transition: all 0.2s ease;
}

.pill:hover, .pill.active {
  background: rgba(255, 255, 255, 0.08);
  color: var(--text-main);
  border-color: var(--border-active);
}

.pill-status {
  color: var(--accent-emerald);
}

.pill-status::before {
  content: "";
  width: 6px;
  height: 6px;
  background: var(--accent-emerald);
  border-radius: 50%;
  box-shadow: 0 0 8px var(--accent-emerald);
}

/* Eyebrows & Section Headers */
.eyebrow {
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--text-eyebrow);
  margin-bottom: 6px;
  display: flex;
  align-items: center;
  gap: 6px;
}

/* Hero Section */
.hero {
  padding: 64px 0 48px;
  text-align: center;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px;
  background: rgba(245, 158, 11, 0.1);
  border: 1px solid rgba(245, 158, 11, 0.35);
  border-radius: 9999px;
  color: var(--accent-gold);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  margin-bottom: 24px;
}

.hero h1 {
  font-size: clamp(2.4rem, 5.5vw, 3.8rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.15;
  margin-bottom: 20px;
}

.hero p {
  font-size: 1.15rem;
  color: var(--text-muted);
  max-width: 720px;
  margin: 0 auto 32px;
}

.cta-group {
  display: flex;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 26px;
  border-radius: var(--radius-md);
  font-weight: 700;
  font-size: 0.9rem;
  text-decoration: none;
  transition: all 0.15s ease;
  cursor: pointer;
}

.btn-primary {
  background: #f8fafc;
  color: #09090b;
  box-shadow: 0 4px 20px rgba(255, 255, 255, 0.15);
}

.btn-primary:hover {
  transform: scale(1.02);
  background: #ffffff;
  box-shadow: 0 6px 25px rgba(255, 255, 255, 0.25);
}

.btn-primary:active {
  transform: scale(0.98);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-subtle);
  color: var(--text-main);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.09);
  border-color: var(--border-active);
  transform: scale(1.02);
}

.btn-secondary:active {
  transform: scale(0.98);
}

/* App Showcase Bento Preview */
.app-mockup-section {
  margin: 40px 0 70px;
}

.section-header {
  margin-bottom: 28px;
}

.section-header h2 {
  font-size: 1.8rem;
  font-weight: 800;
  letter-spacing: -0.02em;
}

.section-header p {
  color: var(--text-muted);
  font-size: 0.95rem;
  margin-top: 4px;
}

/* Modes Bento Grid */
.modes-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(270px, 1fr));
  gap: 16px;
}

.mode-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 20px;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  position: relative;
  transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  display: flex;
  flex-direction: column;
}

.mode-card:hover {
  background: var(--bg-card-hover);
  border-color: var(--border-active);
  transform: translateY(-2px);
}

/* Mode Specific Accents */
.mode-card.accent-amber { --accent: var(--accent-amber); }
.mode-card.accent-emerald { --accent: var(--accent-emerald); }
.mode-card.accent-sky { --accent: var(--accent-sky); }
.mode-card.accent-pink { --accent: var(--accent-pink); }
.mode-card.accent-violet { --accent: var(--accent-violet); }
.mode-card.accent-orange { --accent: var(--accent-orange); }
.mode-card.accent-yellow { --accent: var(--accent-yellow); }
.mode-card.accent-rose { --accent: var(--accent-rose); }
.mode-card.accent-red { --accent: var(--accent-red); }
.mode-card.accent-cyan { --accent: var(--accent-cyan); }

.mode-card.featured {
  border-color: var(--accent);
  box-shadow: inset 0 0 20px rgba(0, 0, 0, 0.5), 0 0 16px rgba(0,0,0,0.4);
}

.mode-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 12px;
}

.mode-title-group {
  display: flex;
  align-items: center;
  gap: 10px;
}

.mode-icon {
  font-size: 1.15rem;
  color: var(--accent);
}

.mode-title {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text-main);
  letter-spacing: -0.01em;
}

.status-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 8px var(--accent);
}

.mode-desc {
  font-size: 0.82rem;
  color: var(--text-muted);
  line-height: 1.45;
  flex-grow: 1;
}

/* Hardware & Ecosystem Specs */
.specs-section {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 20px;
  margin: 70px 0;
}

.spec-panel {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xl);
  padding: 30px;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

.spec-panel h3 {
  font-size: 1.25rem;
  font-weight: 800;
  margin: 10px 0 8px;
}

.spec-panel p {
  color: var(--text-muted);
  font-size: 0.9rem;
  margin-bottom: 18px;
}

.spec-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.spec-list li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.85rem;
  color: #cbd5e1;
}

.spec-list li::before {
  content: "✔";
  color: var(--accent-emerald);
  font-weight: bold;
  font-size: 0.8rem;
}

/* Content Pages (Privacy & Support) */
.content-box {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-2xl);
  padding: 44px;
  margin: 40px auto 80px;
  max-width: 840px;
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
}

.content-box h1 {
  font-size: 2.2rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  margin-bottom: 6px;
}

.content-box .updated-at {
  color: var(--text-dim);
  font-size: 0.85rem;
  margin-bottom: 28px;
}

.content-box h2 {
  font-size: 1.25rem;
  font-weight: 700;
  margin: 28px 0 12px;
  border-bottom: 1px solid var(--border-subtle);
  padding-bottom: 8px;
}

.content-box p, .content-box ul {
  color: var(--text-muted);
  font-size: 0.95rem;
  margin-bottom: 14px;
}

.content-box ul {
  padding-left: 24px;
}

.content-box li {
  margin-bottom: 8px;
}

.contact-card {
  margin-top: 28px;
  padding: 20px;
  background: rgba(245, 158, 11, 0.06);
  border: 1px solid rgba(245, 158, 11, 0.25);
  border-radius: var(--radius-md);
  font-size: 0.92rem;
}

.contact-card a {
  color: var(--accent-gold);
  text-decoration: none;
  font-weight: 600;
}

/* Footer */
footer {
  border-top: 1px solid var(--border-subtle);
  padding: 36px 0;
  text-align: center;
  color: var(--text-dim);
  font-size: 0.82rem;
}

.footer-nav {
  display: flex;
  justify-content: center;
  gap: 20px;
  margin-bottom: 14px;
}

.footer-nav a {
  color: var(--text-muted);
  text-decoration: none;
  transition: color 0.15s;
}

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