/* MeticAI Website — v2.2 Redesign
   Clean, modern, premium dark theme */

/* ============================================
   Design Tokens
   ============================================ */
:root {
  --color-bg: #050505;
  --color-surface: #0a0a0c;
  --color-card: #111114;
  --color-elevated: #1a1a1e;

  --color-text: #f0f0f2;
  --color-text-secondary: rgba(240, 240, 242, 0.65);
  --color-text-muted: rgba(240, 240, 242, 0.38);

  --color-accent: #d4a960;
  --color-accent-hover: #e0b96e;
  --color-accent-subtle: rgba(212, 169, 96, 0.10);
  --color-accent-glow: rgba(212, 169, 96, 0.20);

  --color-border: rgba(255, 255, 255, 0.06);
  --color-border-hover: rgba(255, 255, 255, 0.12);

  --space-section: clamp(5rem, 10vw, 8rem);

  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;
  --font-mono: 'SF Mono', 'Fira Code', 'Cascadia Code', Consolas, monospace;

  --radius-sm: 0.5rem;
  --radius-md: 0.875rem;
  --radius-lg: 1.25rem;
  --radius-xl: 1.5rem;
  --radius-pill: 999px;

  --max-width: 1200px;
  --max-width-narrow: 800px;
}

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

html { scroll-behavior: smooth; }

body {
  background: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }

::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: rgba(255,255,255,0.12); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: rgba(255,255,255,0.22); }

/* ============================================
   Typography
   ============================================ */
h1, h2, h3, h4 {
  font-family: var(--font-sans);
  font-weight: 700;
  letter-spacing: -0.025em;
  line-height: 1.15;
}

.section-label {
  display: block;
  text-align: center;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--color-accent);
  margin-bottom: 1rem;
}

.section-title {
  text-align: center;
  font-size: clamp(2rem, 4vw, 2.75rem);
  margin-bottom: 1.5rem;
  color: var(--color-text);
}

.section-subtitle {
  text-align: center;
  font-size: 1.1rem;
  color: var(--color-text-secondary);
  max-width: 600px;
  margin: 0 auto 3.5rem;
  line-height: 1.7;
}

/* ============================================
   Layout
   ============================================ */
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 clamp(1.25rem, 4vw, 3rem);
}

section {
  padding: var(--space-section) 0;
}

/* ============================================
   Navigation
   ============================================ */
nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: 1rem clamp(1.25rem, 4vw, 3rem);
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(5, 5, 5, 0.75);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--color-border);
  transition: background 0.3s;
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: var(--max-width);
  width: 100%;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-weight: 700;
  font-size: 1.35rem;
  letter-spacing: -0.02em;
  z-index: 101;
}

.logo-icon { width: 28px; height: 28px; }

.logo-text .accent { color: var(--color-accent); }

.nav-links {
  display: flex;
  align-items: center;
  gap: 2rem;
}

.nav-links a {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-text-secondary);
  transition: color 0.2s;
}

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

.nav-links .nav-cta {
  padding: 0.5rem 1.25rem;
  border-radius: var(--radius-pill);
  background: var(--color-accent);
  color: #111;
  font-weight: 600;
  transition: opacity 0.2s, transform 0.2s;
}

.nav-links .nav-cta:hover {
  opacity: 0.9;
  transform: translateY(-1px);
}

/* Mobile nav toggle (button) */
.nav-toggle-btn {
  display: none;
  cursor: pointer;
  z-index: 101;
  width: 28px;
  height: 20px;
  position: relative;
  background: none;
  border: none;
  padding: 0;
}
.nav-toggle-btn span,
.nav-toggle-btn span::before,
.nav-toggle-btn span::after {
  display: block;
  width: 100%;
  height: 2px;
  background: var(--color-text);
  border-radius: 2px;
  position: absolute;
  transition: all 0.3s;
}
.nav-toggle-btn span { top: 50%; transform: translateY(-50%); }
.nav-toggle-btn span::before { content: ''; top: -8px; }
.nav-toggle-btn span::after { content: ''; top: 8px; }

.nav-toggle-btn.nav-active span { background: transparent; }
.nav-toggle-btn.nav-active span::before { top: 0; transform: rotate(45deg); }
.nav-toggle-btn.nav-active span::after { top: 0; transform: rotate(-45deg); }

@media (max-width: 768px) {
  .nav-toggle-btn { display: block; }
  .nav-links {
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    flex-direction: column;
    justify-content: center;
    gap: 2rem;
    background: rgba(5, 5, 5, 0.97);
    backdrop-filter: blur(20px);
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s;
  }
  .nav-links.nav-open {
    opacity: 1;
    pointer-events: auto;
  }
  .nav-links a { font-size: 1.25rem; }
}

/* ============================================
   Hero
   ============================================ */
.hero {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 7rem 1.5rem 4rem;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: url('met-bg-transparent.png') no-repeat center 60% / contain;
  opacity: 0.6;
  pointer-events: none;
}

.hero::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 200px;
  background: linear-gradient(to top, var(--color-bg), transparent);
  pointer-events: none;
}

.hero-content { position: relative; z-index: 2; max-width: 800px; }

.brand-title {
  font-size: clamp(4.5rem, 12vw, 9rem);
  font-weight: 800;
  letter-spacing: -0.04em;
  line-height: 0.9;
  margin-bottom: 0.75rem;
  color: var(--color-text);
}

.brand-title .accent {
  background: linear-gradient(135deg, var(--color-accent), #f0c36d, var(--color-accent));
  background-size: 200% auto;
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  animation: gradient-shift 4s ease-in-out infinite;
}

@keyframes gradient-shift {
  0%, 100% { background-position: 0% center; }
  50% { background-position: 100% center; }
}

.hero-subtitle {
  font-size: clamp(1rem, 2.5vw, 1.35rem);
  font-weight: 400;
  color: var(--color-text-secondary);
  margin-bottom: 2rem;
  letter-spacing: 0.01em;
}

.version-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.4rem 1rem;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  border-radius: var(--radius-pill);
  background: var(--color-accent-subtle);
  color: var(--color-accent);
  border: 1px solid rgba(212, 169, 96, 0.25);
  margin-bottom: 2rem;
}

.hero-tagline {
  position: relative;
  z-index: 2;
  font-size: clamp(1.75rem, 5vw, 3.25rem);
  font-weight: 300;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  color: var(--color-text);
  margin: 3rem 0 2rem;
  text-shadow: 0 0 40px var(--color-accent-glow);
}

.hero-cta {
  position: relative;
  z-index: 2;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 1rem 2.25rem;
  font-size: 1rem;
  font-weight: 600;
  border: none;
  border-radius: var(--radius-pill);
  background: var(--color-accent);
  color: #111;
  cursor: pointer;
  transition: transform 0.2s, box-shadow 0.2s;
  text-decoration: none;
}

.hero-cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px var(--color-accent-glow);
}

.hero-cta svg { width: 18px; height: 18px; }

/* ============================================
   Features Section
   ============================================ */
.features {
  background: var(--color-bg);
}

.features-layout {
  display: flex;
  gap: 3rem;
  align-items: center;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.25rem;
  flex: 1;
}

.feature-card {
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 1.75rem;
  transition: transform 0.3s, border-color 0.3s, box-shadow 0.3s;
  cursor: default;
}

.feature-card:hover {
  transform: translateY(-4px);
  border-color: var(--color-border-hover);
  box-shadow: 0 16px 48px rgba(0, 0, 0, 0.4);
}

.feature-card.highlighted {
  border-color: rgba(212, 169, 96, 0.4);
  box-shadow: 0 0 30px var(--color-accent-glow), inset 0 0 30px rgba(212, 169, 96, 0.05);
  transform: scale(1.01);
}

.feature-icon {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-md);
  background: var(--color-accent-subtle);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.25rem;
  color: var(--color-accent);
}

.feature-icon svg { width: 22px; height: 22px; }

.feature-card h3 {
  font-size: 1.05rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
  color: var(--color-text);
  letter-spacing: -0.01em;
}

.feature-card p {
  font-size: 0.875rem;
  color: var(--color-text-secondary);
  line-height: 1.6;
}

.feature-card .new-badge {
  display: inline-block;
  font-size: 0.65rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 0.15rem 0.5rem;
  border-radius: var(--radius-pill);
  background: var(--color-accent);
  color: #111;
  margin-left: 0.5rem;
  vertical-align: middle;
}

/* Phone mockup for demo video */
.demo-video-container {
  flex: 0 0 280px;
}

.phone-container {
  width: 100%;
  aspect-ratio: 606 / 1080;
  position: relative;
}

.phone-mockup {
  width: 100%;
  height: 100%;
  border-radius: 36px;
  border: 6px solid #1c1c1e;
  box-shadow: 0 24px 64px rgba(0, 0, 0, 0.5), 0 0 0 1px rgba(255,255,255,0.05);
  background: #000;
  object-fit: contain;
}

@media (max-width: 960px) {
  .features-layout { flex-direction: column-reverse; }
  .demo-video-container { flex: 0 0 auto; width: 260px; }
}

@media (max-width: 600px) {
  .features-grid { grid-template-columns: 1fr; }
  .demo-video-container { width: 220px; }
}

/* ============================================
   What's New in v2.2
   ============================================ */
.whats-new {
  background: var(--color-surface);
}

.whats-new-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.whats-new-card {
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 2rem 1.75rem;
  transition: border-color 0.3s, box-shadow 0.3s, transform 0.3s;
}

.whats-new-card:hover {
  border-color: rgba(212, 169, 96, 0.2);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.3);
  transform: translateY(-3px);
}

.whats-new-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  background: linear-gradient(135deg, var(--color-accent-subtle), rgba(212, 169, 96, 0.05));
  border: 1px solid rgba(212, 169, 96, 0.15);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.25rem;
  color: var(--color-accent);
}

.whats-new-icon svg { width: 24px; height: 24px; }

.whats-new-card h3 {
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 0.6rem;
  color: var(--color-text);
}

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

@media (max-width: 900px) {
  .whats-new-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 600px) {
  .whats-new-grid { grid-template-columns: 1fr; }
}

/* ============================================
   Screenshots
   ============================================ */
.screenshots {
  background: var(--color-bg);
}

.screenshot-tabs {
  display: flex;
  justify-content: center;
  gap: 0.5rem;
  margin-bottom: 2.5rem;
}

.screenshot-tab {
  padding: 0.5rem 1.5rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-pill);
  background: transparent;
  color: var(--color-text-muted);
  font-family: var(--font-sans);
  font-size: 0.875rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s;
}

.screenshot-tab:hover {
  color: var(--color-text-secondary);
  border-color: var(--color-border-hover);
}

.screenshot-tab.active {
  background: var(--color-accent);
  color: #111;
  border-color: var(--color-accent);
}

.screenshot-gallery {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.25rem;
  max-width: var(--max-width);
  margin: 0 auto;
}

.screenshot-gallery figure {
  margin: 0;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--color-border);
  background: var(--color-card);
  transition: transform 0.3s, box-shadow 0.3s;
}

.screenshot-gallery figure:hover {
  transform: translateY(-4px);
  box-shadow: 0 16px 48px rgba(0, 0, 0, 0.4);
}

.screenshot-gallery img {
  width: 100%;
  display: block;
}

.screenshot-gallery figcaption {
  padding: 0.75rem 1rem;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--color-text-muted);
}

.screenshot-mobile {
  max-width: 900px;
  margin: 0 auto;
}

.screenshot-mobile figure img {
  max-height: 500px;
  width: auto;
  margin: 0 auto;
}

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

/* ============================================
   How It Works
   ============================================ */
.how-it-works {
  background: var(--color-surface);
}

.how-intro {
  text-align: center;
  font-size: 1.1rem;
  color: var(--color-text-secondary);
  max-width: 680px;
  margin: -1rem auto 3rem;
  line-height: 1.75;
}

.how-steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
  max-width: var(--max-width);
  margin: 0 auto;
}

.how-step {
  text-align: center;
  padding: 2rem 1.5rem;
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
}

.step-number {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--color-accent), #b08840);
  color: #111;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  font-weight: 700;
  margin: 0 auto 1.25rem;
}

.how-step h3 {
  font-size: 1.05rem;
  margin-bottom: 0.6rem;
  color: var(--color-text);
}

.how-step p {
  font-size: 0.875rem;
  color: var(--color-text-secondary);
  line-height: 1.65;
}

@media (max-width: 900px) {
  .how-steps { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 600px) {
  .how-steps { grid-template-columns: 1fr; }
}

/* ============================================
   Story
   ============================================ */
.story {
  background: var(--color-bg);
}

.story-inner {
  max-width: var(--max-width-narrow);
  margin: 0 auto;
  text-align: center;
}

.story-inner blockquote {
  background: var(--color-card);
  border-left: 3px solid var(--color-accent);
  padding: 1.5rem 2rem;
  margin: 0 0 2rem;
  border-radius: var(--radius-lg);
  text-align: left;
}

.story-inner blockquote p {
  font-size: 1.25rem;
  font-style: italic;
  color: var(--color-text-secondary);
  line-height: 1.7;
}

.story-inner > p {
  font-size: 1.05rem;
  color: var(--color-text-secondary);
  line-height: 1.8;
  margin-bottom: 0.75rem;
}

.story-signature {
  margin-top: 1.5rem;
  font-style: italic;
  color: var(--color-text-muted);
  font-size: 0.95rem;
}

/* ============================================
   Getting Started
   ============================================ */
.getting-started {
  background: var(--color-surface);
}

.getting-started .container { max-width: var(--max-width-narrow); }

.requirements {
  max-width: 580px;
  margin: 0 auto 3rem;
  text-align: left;
}

.requirements ul {
  list-style: none;
  padding: 0;
}

.requirements li {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  padding: 0.85rem 0;
  font-size: 1rem;
  color: var(--color-text);
  border-bottom: 1px solid var(--color-border);
}

.requirements li:last-child { border-bottom: none; }

.requirements li svg {
  color: var(--color-accent);
  flex-shrink: 0;
  margin-top: 0.15rem;
  width: 20px;
  height: 20px;
}

.requirements a {
  color: var(--color-accent);
  text-decoration: underline;
  text-underline-offset: 2px;
  transition: color 0.2s;
}

.requirements a:hover { color: var(--color-accent-hover); }

.install-heading {
  text-align: center;
  font-size: 1.25rem;
  margin-bottom: 1.5rem;
  color: var(--color-text);
}

.macos-installer-link {
  margin-top: 1rem;
}

.install-tabs {
  display: flex;
  justify-content: center;
  gap: 0.5rem;
  margin-bottom: 2rem;
}

.install-tab {
  padding: 0.5rem 1.5rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-pill);
  background: transparent;
  color: var(--color-text-muted);
  font-family: var(--font-sans);
  font-size: 0.875rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s;
}

.install-tab:hover {
  color: var(--color-text-secondary);
  border-color: var(--color-border-hover);
}

.install-tab.active {
  background: var(--color-accent);
  color: #111;
  border-color: var(--color-accent);
}

.install-panel {
  text-align: left;
  margin-bottom: 2rem;
}

.install-label {
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--color-text);
  margin-bottom: 0.75rem;
}

.install-command-wrapper {
  position: relative;
  margin-bottom: 1rem;
}

.install-command {
  display: block;
  width: 100%;
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 1rem 3.5rem 1rem 1.25rem;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--color-accent);
  overflow-x: auto;
  white-space: nowrap;
}

.copy-btn {
  position: absolute;
  right: 0.6rem;
  top: 50%;
  transform: translateY(-50%);
  background: transparent;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  color: var(--color-text-muted);
  cursor: pointer;
  padding: 0.3rem;
  display: flex;
  align-items: center;
  transition: color 0.2s, border-color 0.2s;
}

.copy-btn:hover, .copy-btn.copied {
  color: var(--color-accent);
  border-color: var(--color-accent);
}

.install-note {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  margin-bottom: 1.5rem;
}

.install-note a, .install-panel a:not(.cta-button) {
  color: var(--color-accent);
  text-decoration: underline;
  text-underline-offset: 2px;
}

/* CTA buttons */
.cta-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.85rem 2rem;
  font-family: var(--font-sans);
  font-size: 0.95rem;
  font-weight: 600;
  border: none;
  border-radius: var(--radius-pill);
  background: var(--color-accent);
  color: #111;
  cursor: pointer;
  transition: transform 0.2s, opacity 0.2s, box-shadow 0.2s;
  text-decoration: none;
}

.cta-button:hover {
  transform: translateY(-2px);
  opacity: 0.9;
  box-shadow: 0 8px 24px var(--color-accent-glow);
}

.cta-secondary {
  background: var(--color-elevated);
  color: var(--color-text);
}

.cta-secondary:hover {
  background: var(--color-card);
}

.cta-outline {
  background: transparent;
  color: var(--color-accent);
  border: 1.5px solid var(--color-accent);
}

.cta-outline:hover {
  background: var(--color-accent);
  color: #111;
}

.install-cta-row {
  display: flex;
  justify-content: center;
  margin-top: 1.5rem;
}

/* ============================================
   Acknowledgements
   ============================================ */
.acknowledgements {
  background: var(--color-bg);
}

.ack-content {
  max-width: var(--max-width-narrow);
  margin: 0 auto;
  text-align: center;
}

.ack-content > p {
  font-size: 1rem;
  color: var(--color-text-secondary);
  line-height: 1.75;
  margin-bottom: 2rem;
}

.ack-content a {
  color: var(--color-accent);
  text-decoration: none;
  transition: color 0.2s;
}

.ack-content a:hover { text-decoration: underline; }

.tech-stack {
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 2rem;
  margin-bottom: 2rem;
}

.tech-stack h3 {
  font-size: 1.1rem;
  margin-bottom: 1.25rem;
  color: var(--color-text);
}

.tech-list {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.75rem 1.5rem;
}

.tech-list li {
  font-size: 0.9rem;
  color: var(--color-text-secondary);
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.tech-list li svg { width: 16px; height: 16px; color: var(--color-accent); flex-shrink: 0; }
.tech-list strong { color: var(--color-text); }

.open-source { margin-top: 2rem; }

.open-source > p {
  color: var(--color-text-secondary);
  margin-bottom: 1rem;
}

.open-source-links {
  display: flex;
  justify-content: center;
  gap: 2rem;
  flex-wrap: wrap;
}

.open-source-links a {
  color: var(--color-accent);
  font-size: 0.9rem;
  font-weight: 500;
  display: flex;
  align-items: center;
  gap: 0.4rem;
  transition: color 0.2s;
}

.open-source-links a:hover { color: var(--color-accent-hover); }
.open-source-links a svg { width: 16px; height: 16px; }

/* ============================================
   Footer
   ============================================ */
footer {
  text-align: center;
  padding: 3rem 1.5rem;
  color: var(--color-text-muted);
  font-size: 0.8rem;
  border-top: 1px solid var(--color-border);
}

footer p { margin: 0.35rem 0; }
footer .footer-version { color: var(--color-accent); font-weight: 500; }

/* ============================================
   Scroll Reveal Animation
   ============================================ */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s cubic-bezier(0.16, 1, 0.3, 1),
              transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; transition: none; }
  .brand-title .accent { animation: none; }
}

/* ============================================
   Responsive
   ============================================ */
@media (max-width: 768px) {
  .brand-title { font-size: 4rem; }
  .hero-tagline { font-size: 1.5rem; letter-spacing: 0.1em; }
  .hero { min-height: auto; padding: 6rem 1.25rem 3rem; }
  .install-command { font-size: 0.75rem; padding: 0.75rem 3rem 0.75rem 1rem; }
}