/* === Theme Variables === */
:root,
[data-theme="light"] {
  --bg: #ffffff;
  --bg-alt: #f5f5f5;
  --bg-card: #ffffff;
  --text: #1a1a2e;
  --text-muted: #64648b;
  --primary: #7c3aed;
  --primary-hover: #6d28d9;
  --primary-text: #ffffff;
  --border: #e5e5e5;
  --accent: #f0ebff;
  --badge-bg: #ede9fe;
  --badge-text: #5b21b6;
  --terminal-bg: #1e1e2e;
  --terminal-text: #cdd6f4;
  --card-shadow: 0 1px 3px rgba(0, 0, 0, 0.08), 0 1px 2px rgba(0, 0, 0, 0.06);
  --card-shadow-hover: 0 4px 12px rgba(0, 0, 0, 0.1);
  --step-connector: #d4d4d8;
}

[data-theme="dark"] {
  --bg: #0f0f1a;
  --bg-alt: #1a1a2e;
  --bg-card: #1e1e32;
  --text: #e4e4ed;
  --text-muted: #9494b8;
  --primary: #a78bfa;
  --primary-hover: #8b5cf6;
  --primary-text: #0f0f1a;
  --border: #2e2e48;
  --accent: #2e2044;
  --badge-bg: #2e2044;
  --badge-text: #c4b5fd;
  --terminal-bg: #11111b;
  --terminal-text: #cdd6f4;
  --card-shadow: 0 1px 3px rgba(0, 0, 0, 0.3);
  --card-shadow-hover: 0 4px 12px rgba(0, 0, 0, 0.4);
  --step-connector: #3e3e58;
}

/* === Dark theme icon toggle === */
[data-theme="dark"] .icon-sun { display: none; }
[data-theme="dark"] .icon-moon { display: block; }
[data-theme="light"] .icon-sun,
:root .icon-sun { display: block; }
[data-theme="light"] .icon-moon,
:root .icon-moon { display: none; }

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

html {
  scroll-behavior: smooth;
}

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

/* === Container === */
.container {
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* === Navbar === */
.navbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 2rem;
  border-bottom: 1px solid var(--border);
  background: var(--bg);
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(8px);
}

.logo {
  font-family: 'MedievalSharp', cursive;
  font-size: 1.4rem;
  font-weight: 900;
  color: var(--text);
  text-decoration: none;
  letter-spacing: 0.05em;
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.theme-toggle {
  background: none;
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 0.4rem;
  cursor: pointer;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: color 0.2s, border-color 0.2s;
}

.theme-toggle:hover {
  color: var(--text);
  border-color: var(--text-muted);
}

/* === Buttons === */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.5rem 1.25rem;
  border-radius: 8px;
  font-size: 0.875rem;
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  transition: all 0.2s;
  border: none;
}

.btn-primary {
  background: var(--primary);
  color: var(--primary-text);
}

.btn-primary:hover {
  background: var(--primary-hover);
}

.btn-outline {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--border);
}

.btn-outline:hover {
  border-color: var(--primary);
  color: var(--primary);
}

.btn-lg {
  padding: 0.75rem 2rem;
  font-size: 1rem;
}

/* === Hero === */
.hero {
  padding: 5rem 0 3rem;
  text-align: center;
}

.hero h1 {
  font-size: clamp(2.5rem, 6vw, 4rem);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.03em;
  margin-bottom: 1.25rem;
}

.hero-subtitle {
  font-size: 1.2rem;
  color: var(--text-muted);
  max-width: 540px;
  margin: 0 auto 2rem;
  line-height: 1.7;
}

.hero-actions {
  display: flex;
  gap: 1rem;
  justify-content: center;
  margin-bottom: 3.5rem;
}

/* === Terminal Preview === */
.hero-terminal {
  max-width: 800px;
  margin: 0 auto;
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.15);
}

.terminal-bar {
  background: #2e2e3e;
  padding: 0.65rem 1rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

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

.terminal-dot.red { background: #ff5f56; }
.terminal-dot.yellow { background: #ffbd2e; }
.terminal-dot.green { background: #27c93f; }

.terminal-title {
  flex: 1;
  text-align: center;
  color: #9494b8;
  font-size: 0.8rem;
  margin-right: 2rem;
}

.terminal-body {
  background: var(--terminal-bg);
  padding: 1.5rem;
}

/* === Board Preview === */
.board-preview {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0.75rem;
}

.board-col {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.board-col-title {
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: #9494b8;
  padding-bottom: 0.4rem;
  border-bottom: 2px solid #2e2e48;
}

.board-card {
  background: #2a2a3e;
  border-radius: 6px;
  padding: 0.6rem 0.75rem;
  font-size: 0.75rem;
  color: var(--terminal-text);
  border-left: 3px solid #4a4a6a;
}

.board-card.active {
  border-left-color: #a78bfa;
}

.board-card.review {
  border-left-color: #f59e0b;
}

.board-card.done {
  border-left-color: #34d399;
  opacity: 0.7;
}

/* === Features === */
.features {
  padding: 5rem 0;
  background: var(--bg-alt);
}

.features h2,
.how-it-works h2,
.deployment h2,
.footer-cta h2 {
  font-size: clamp(1.75rem, 4vw, 2.25rem);
  font-weight: 700;
  text-align: center;
  margin-bottom: 3rem;
  letter-spacing: -0.02em;
}

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

.feature-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1.75rem;
  transition: box-shadow 0.2s, transform 0.2s;
}

.feature-card:hover {
  box-shadow: var(--card-shadow-hover);
  transform: translateY(-2px);
}

.feature-icon {
  width: 44px;
  height: 44px;
  border-radius: 10px;
  background: var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1rem;
  color: var(--primary);
}

.feature-card h3 {
  font-size: 1.05rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.feature-card p {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.6;
}

/* === How It Works === */
.how-it-works {
  padding: 5rem 0;
}

.steps {
  display: flex;
  align-items: flex-start;
  justify-content: center;
  gap: 0;
  max-width: 900px;
  margin: 0 auto;
}

.step {
  flex: 1;
  text-align: center;
  padding: 0 0.75rem;
}

.step-number {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--primary);
  color: var(--primary-text);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 1rem;
  margin: 0 auto 0.75rem;
}

.step h3 {
  font-size: 0.95rem;
  font-weight: 600;
  margin-bottom: 0.35rem;
}

.step p {
  font-size: 0.8rem;
  color: var(--text-muted);
  line-height: 1.5;
}

.step-connector {
  width: 40px;
  min-width: 24px;
  height: 2px;
  background: var(--step-connector);
  margin-top: 20px;
  flex-shrink: 0;
}

/* === Deployment === */
.deployment {
  padding: 5rem 0;
  background: var(--bg-alt);
}

.deployment-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
  max-width: 800px;
  margin: 0 auto;
}

.deployment-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 2rem;
  text-align: center;
  transition: box-shadow 0.2s, transform 0.2s;
}

.deployment-card:hover {
  box-shadow: var(--card-shadow-hover);
  transform: translateY(-2px);
}

.deployment-icon {
  width: 52px;
  height: 52px;
  border-radius: 12px;
  background: var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1rem;
  color: var(--primary);
}

.deployment-card h3 {
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
}

.deployment-card p {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.6;
  margin-bottom: 1.25rem;
}

.tech-badges {
  display: flex;
  gap: 0.5rem;
  justify-content: center;
  flex-wrap: wrap;
}

.badge {
  background: var(--badge-bg);
  color: var(--badge-text);
  padding: 0.35rem 0.85rem;
  border-radius: 999px;
  font-size: 0.8rem;
  font-weight: 600;
}

/* === Waitlist === */
.waitlist {
  padding: 5rem 0;
  text-align: center;
}

.waitlist-subtitle {
  font-size: 1.05rem;
  color: var(--text-muted);
  margin-bottom: 2rem;
}


/* === Footer === */
.footer {
  border-top: 1px solid var(--border);
  padding: 1.5rem 2rem;
}

.footer .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.footer-brand {
  font-family: 'MedievalSharp', cursive;
  font-weight: 900;
  font-size: 1rem;
  letter-spacing: 0.05em;
}

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

/* === Responsive === */
@media (max-width: 768px) {
  .features-grid,
  .deployment-grid {
    grid-template-columns: 1fr;
  }

  .steps {
    flex-direction: column;
    align-items: center;
  }

  .step-connector {
    width: 2px;
    height: 24px;
    margin: 0;
  }

  .board-preview {
    grid-template-columns: repeat(2, 1fr);
  }

  .hero {
    padding: 3rem 0 2rem;
  }

  .hero-actions {
    flex-direction: column;
    align-items: center;
  }

  .navbar {
    padding: 0.75rem 1rem;
  }
}

@media (max-width: 480px) {
  .board-preview {
    grid-template-columns: 1fr;
  }
}