/* ============================================
   SHIPLOG LANDING PAGE
   ============================================ */

/* --- Custom Properties --- */
:root {
  --bg-primary: #0a0a0b;
  --bg-surface: #111113;
  --bg-surface-hover: #1a1a1e;

  --text-primary: #e8e8ed;
  --text-muted: #6e6e7a;
  --text-accent: #a78bfa;

  --term-green: #4ade80;
  --term-yellow: #facc15;
  --term-red: #f87171;
  --term-blue: #60a5fa;
  --term-cyan: #22d3ee;
  --term-gray: #52525b;

  --progress-fill: #a78bfa;
  --progress-empty: #27272a;

  --border-subtle: #1e1e23;
  --border-terminal: #2a2a30;

  --font-mono: 'JetBrains Mono', 'Fira Code', 'SF Mono', monospace;
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
}

/* --- Light Theme --- */
[data-theme="light"] {
  --bg-primary: #f8f8fa;
  --bg-surface: #ffffff;
  --bg-surface-hover: #f0f0f3;

  --text-primary: #1a1a2e;
  --text-muted: #6b6b80;
  --text-accent: #7c3aed;

  --term-green: #16a34a;
  --term-yellow: #ca8a04;
  --term-red: #dc2626;
  --term-blue: #2563eb;
  --term-cyan: #0891b2;
  --term-gray: #9ca3af;

  --progress-fill: #7c3aed;
  --progress-empty: #e5e5ea;

  --border-subtle: #e5e5ea;
  --border-terminal: #d4d4d8;
}

[data-theme="light"] body {
  background-image: radial-gradient(circle, rgba(0, 0, 0, 0.04) 1px, transparent 1px);
}

[data-theme="light"] .terminal {
  box-shadow:
    0 20px 60px rgba(0, 0, 0, 0.08),
    0 0 0 1px rgba(0, 0, 0, 0.05);
}

[data-theme="light"] .terminal-glow::before {
  background: radial-gradient(ellipse at center, rgba(124, 58, 237, 0.06) 0%, transparent 70%);
}

[data-theme="light"] .hero-title::after {
  color: var(--text-accent);
}

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

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-sans);
  background-color: var(--bg-primary);
  background-image: radial-gradient(circle, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
  background-size: 24px 24px;
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

a {
  color: var(--text-accent);
  text-decoration: none;
  transition: opacity 0.2s ease;
}

a:hover {
  opacity: 0.8;
}

code {
  font-family: var(--font-mono);
  background: var(--bg-surface);
  padding: 0.15em 0.4em;
  border-radius: 4px;
  font-size: 0.9em;
}

strong {
  color: var(--text-accent);
  font-weight: 500;
}

/* --- Scroll Progress --- */
.scroll-progress {
  position: fixed;
  top: 0;
  left: 0;
  height: 2px;
  width: 0;
  background: var(--text-accent);
  z-index: 9999;
  transition: width 0.1s linear;
}

/* ============================================
   HERO
   ============================================ */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 2rem 1.5rem;
}

.hero-content {
  max-width: 700px;
}

.hero-title {
  font-family: var(--font-mono);
  font-size: clamp(3rem, 8vw, 6rem);
  font-weight: 700;
  letter-spacing: 0.15em;
  color: var(--text-primary);
  margin-bottom: 1.5rem;
}

.hero-title::after {
  content: '\2588';
  animation: blink 1s step-end infinite;
  color: var(--text-accent);
  margin-left: 4px;
}

@keyframes blink {
  0%, 100% { opacity: 1; }
  50% { opacity: 0; }
}

.hero-tagline {
  font-family: var(--font-mono);
  font-size: clamp(1rem, 2.5vw, 1.35rem);
  font-weight: 300;
  color: var(--text-muted);
  line-height: 1.8;
  margin-bottom: 3rem;
}

.tagline-vibe {
  color: var(--text-accent);
  font-weight: 400;
}

.hero-install {
  margin-bottom: 4rem;
}

/* --- Install Box --- */
.install-box {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  background: var(--bg-surface);
  border: 1px solid var(--border-terminal);
  border-radius: 8px;
  padding: 0.75rem 1rem;
  font-family: var(--font-mono);
  font-size: clamp(0.75rem, 1.8vw, 0.9rem);
  max-width: 100%;
  overflow-x: auto;
}

.install-box-large {
  padding: 1rem 1.5rem;
  font-size: clamp(0.8rem, 2vw, 1rem);
}

.hero-actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
}

.github-link {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  border-radius: 8px;
  border: 1px solid var(--border-terminal);
  background: var(--bg-surface);
  color: var(--text-muted);
  transition: color 0.2s ease, border-color 0.2s ease;
  flex-shrink: 0;
}

.github-link:hover {
  color: var(--text-accent);
  border-color: var(--text-accent);
  opacity: 1;
}

.install-box-multi {
  flex-direction: row;
  align-items: center;
}

.install-lines {
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
  font-family: var(--font-mono);
  font-size: inherit;
  color: var(--text-primary);
  white-space: nowrap;
}

.install-line::before {
  content: none;
}

.install-prompt {
  color: var(--term-green);
  flex-shrink: 0;
}

.install-text {
  color: var(--text-primary);
  white-space: nowrap;
}

.copy-btn {
  flex-shrink: 0;
  background: var(--bg-surface-hover);
  color: var(--text-muted);
  border: 1px solid var(--border-subtle);
  border-radius: 4px;
  padding: 0.3rem 0.6rem;
  font-family: var(--font-sans);
  font-size: 0.75rem;
  cursor: pointer;
  transition: all 0.2s ease;
}

.copy-btn:hover {
  color: var(--text-primary);
  border-color: var(--text-accent);
}

.copy-btn.copied {
  color: var(--term-green);
  border-color: var(--term-green);
}

/* --- Theme Toggle --- */
.theme-toggle {
  position: fixed;
  top: 1.25rem;
  right: 1.25rem;
  z-index: 9999;
  background: var(--bg-surface);
  border: 1px solid var(--border-terminal);
  border-radius: 50%;
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  color: var(--text-muted);
  transition: color 0.2s ease, border-color 0.2s ease, background 0.2s ease;
}

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

/* Dark mode: show sun, hide moon */
.icon-moon { display: none; }
.icon-sun { display: block; }

/* Light mode: show moon, hide sun */
[data-theme="light"] .icon-moon { display: block; }
[data-theme="light"] .icon-sun { display: none; }

/* --- Scroll Hint --- */
.scroll-hint {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  color: var(--text-muted);
  font-family: var(--font-mono);
  font-size: 0.8rem;
  animation: float 2s ease-in-out infinite;
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(6px); }
}

/* ============================================
   FRUSTRATION SECTIONS
   ============================================ */
.frustration-section {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 6rem 1.5rem;
}

.frustration-content {
  max-width: 760px;
  width: 100%;
}

.frustration-text {
  margin-bottom: 3rem;
}

.frustration-prose {
  font-family: var(--font-mono);
  font-size: clamp(1.1rem, 2.5vw, 1.5rem);
  font-weight: 300;
  color: var(--text-muted);
  line-height: 1.8;
  margin-bottom: 1.5rem;
}

.frustration-quote {
  font-family: var(--font-mono);
  font-size: clamp(1.5rem, 4vw, 2.8rem);
  font-weight: 400;
  color: var(--text-accent);
  line-height: 1.4;
  min-height: 1.4em;
  visibility: hidden;
}

.feature-subtext {
  margin-top: 2rem;
  font-family: var(--font-sans);
  font-size: 1rem;
  color: var(--text-muted);
  text-align: center;
  letter-spacing: 0.02em;
}

/* ============================================
   TERMINAL MOCKUP
   ============================================ */
.terminal {
  background: var(--bg-surface);
  border: 1px solid var(--border-terminal);
  border-radius: 8px;
  overflow: hidden;
  width: 100%;
  max-width: 720px;
  margin: 0 auto;
  box-shadow:
    0 20px 60px rgba(0, 0, 0, 0.5),
    0 0 0 1px rgba(255, 255, 255, 0.03);
}

.terminal-header {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 12px 16px;
  background: var(--bg-surface);
  border-bottom: 1px solid var(--border-subtle);
}

.terminal-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--term-gray);
}

.terminal-title {
  margin-left: 8px;
  font-size: 0.75rem;
  color: var(--text-muted);
  font-family: var(--font-sans);
}

.terminal-body {
  padding: 20px 24px;
  font-family: var(--font-mono);
  font-size: clamp(0.7rem, 1.5vw, 0.85rem);
  line-height: 1.7;
  color: var(--text-primary);
  overflow-x: auto;
}

.term-line {
  white-space: nowrap;
}

/* Terminal syntax colors */
.prompt { color: var(--term-green); }
.command { color: var(--text-primary); }
.comment { color: var(--term-gray); }
.accent { color: var(--text-accent); }
.success { color: var(--term-green); }
.warning { color: var(--term-yellow); }
.danger { color: var(--term-red); }
.info { color: var(--term-blue); }
.path { color: var(--term-cyan); }
.muted { color: var(--text-muted); }

/* --- Terminal Glow --- */
.terminal-glow {
  position: relative;
}

.terminal-glow::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 120%;
  height: 120%;
  background: radial-gradient(ellipse at center, rgba(167, 139, 250, 0.06) 0%, transparent 70%);
  pointer-events: none;
  z-index: -1;
}

/* --- Progress Bar (in terminal) --- */
.progress-bar {
  display: inline-block;
  width: 120px;
  height: 10px;
  background: var(--progress-empty);
  border-radius: 2px;
  overflow: hidden;
  vertical-align: middle;
}

.progress-fill {
  display: block;
  height: 100%;
  width: 0;
  background: var(--progress-fill);
  border-radius: 2px;
  transition: width 1.2s cubic-bezier(0.16, 1, 0.3, 1);
}

/* ============================================
   SECTION DIVIDERS
   ============================================ */
.section-divider {
  width: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--text-accent), transparent);
  margin: 0 auto;
  transition: width 1s cubic-bezier(0.16, 1, 0.3, 1);
}

.section-divider.visible {
  width: 200px;
}

/* ============================================
   HOW IT WORKS
   ============================================ */
.how-it-works {
  min-height: 80vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 6rem 1.5rem;
}

.how-content {
  max-width: 900px;
  width: 100%;
  text-align: center;
}

.section-heading {
  font-family: var(--font-mono);
  font-size: clamp(1.5rem, 4vw, 2.5rem);
  font-weight: 400;
  color: var(--text-primary);
  margin-bottom: 4rem;
  letter-spacing: 0.05em;
}

.steps {
  display: flex;
  align-items: flex-start;
  justify-content: center;
  gap: 2rem;
}

.step {
  flex: 1;
  max-width: 240px;
  text-align: center;
}

.step-number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: 1px solid var(--text-accent);
  color: var(--text-accent);
  font-family: var(--font-mono);
  font-size: 1rem;
  margin-bottom: 1rem;
}

.step-command {
  font-family: var(--font-mono);
  font-size: 1rem;
  color: var(--text-primary);
  margin-bottom: 0.75rem;
}

.step-desc {
  font-family: var(--font-sans);
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.5;
}

.step-arrow {
  color: var(--text-muted);
  font-size: 1.5rem;
  margin-top: 1rem;
  flex-shrink: 0;
}

/* ============================================
   CTA SECTION
   ============================================ */
.cta-section {
  min-height: 60vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 6rem 1.5rem;
  text-align: center;
}

.cta-content {
  max-width: 600px;
}

.cta-prose {
  font-family: var(--font-mono);
  font-size: clamp(1.3rem, 3vw, 2rem);
  font-weight: 300;
  color: var(--text-primary);
  line-height: 1.6;
  margin-bottom: 3rem;
}

.cta-install {
  margin-bottom: 2rem;
}

.cta-meta {
  font-family: var(--font-sans);
  font-size: 0.95rem;
  color: var(--text-muted);
  margin-bottom: 1.5rem;
}

.cta-links {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  font-family: var(--font-sans);
  font-size: 0.9rem;
}

.link-sep {
  color: var(--term-gray);
}

/* ============================================
   FOOTER
   ============================================ */
.site-footer {
  padding: 3rem 1.5rem;
  text-align: center;
  font-family: var(--font-sans);
  font-size: 0.85rem;
  color: var(--text-muted);
  border-top: 1px solid var(--border-subtle);
}

/* ============================================
   ANIMATIONS
   ============================================ */
.reveal {
  opacity: 0;
  transform: translateY(40px);
  transition:
    opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1),
    transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

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

.terminal-reveal {
  opacity: 0;
  transform: translateY(60px) scale(0.98);
  transition:
    opacity 1s cubic-bezier(0.16, 1, 0.3, 1),
    transform 1s cubic-bezier(0.16, 1, 0.3, 1);
}

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

.reveal-stagger > * {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.reveal-stagger.visible > *:nth-child(1) { transition-delay: 0s; opacity: 1; transform: translateY(0); }
.reveal-stagger.visible > *:nth-child(2) { transition-delay: 0.15s; opacity: 1; transform: translateY(0); }
.reveal-stagger.visible > *:nth-child(3) { transition-delay: 0.3s; opacity: 1; transform: translateY(0); }
.reveal-stagger.visible > *:nth-child(4) { transition-delay: 0.45s; opacity: 1; transform: translateY(0); }
.reveal-stagger.visible > *:nth-child(5) { transition-delay: 0.6s; opacity: 1; transform: translateY(0); }

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 768px) {
  .frustration-section {
    min-height: auto;
    padding: 4rem 1.5rem;
  }

  .hero {
    min-height: 100svh;
  }

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

  .step-arrow {
    transform: rotate(90deg);
    margin: 0;
  }

  .terminal-body {
    padding: 16px;
    font-size: 0.7rem;
  }

  .progress-bar {
    width: 80px;
  }

  .reveal {
    transform: translateY(20px);
  }

  .terminal-reveal {
    transform: translateY(30px) scale(0.99);
  }

  .how-it-works {
    min-height: auto;
  }
}

@media (min-width: 1440px) {
  .frustration-content,
  .how-content {
    max-width: 860px;
  }

  .terminal {
    max-width: 800px;
  }
}

/* ============================================
   REDUCED MOTION
   ============================================ */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  .reveal,
  .terminal-reveal,
  .reveal-stagger > * {
    opacity: 1;
    transform: none;
  }

  .frustration-quote {
    visibility: visible !important;
  }

  .scroll-hint {
    animation: none;
  }

  .progress-fill {
    transition: none;
  }
}