/* =============================================
   Pilgrim Landing — Core Styles
   ============================================= */

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

/* --- Color System --- */
:root {
  --parchment: #F5F0E8;
  --parchment-secondary: #EDE6D8;
  --parchment-tertiary: #E4DBC9;
  --ink: #2C241E;
  --stone: #8B7355;
  --moss: #7A8B6F;
  --rust: #A0634B;
  --dawn: #C4956A;
  --fog: #B8AFA2;

  --transition-colors: color 0.3s ease, background-color 0.3s ease, border-color 0.3s ease;

  --font-display: 'Cormorant Garamond', Georgia, serif;
  --font-body: 'Cormorant Garamond', Georgia, serif;
  --font-ui: 'Lato', 'Helvetica Neue', sans-serif;

  --padding-xs: 0.25rem;
  --padding-sm: 0.5rem;
  --padding-md: 1rem;
  --padding-lg: 1.5rem;
  --padding-xl: 4rem;

  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 20px;

  --content-width: 720px;
}

[data-theme="dark"] {
  --parchment: #1C1914;
  --parchment-secondary: #262118;
  --parchment-tertiary: #30291F;
  --ink: #F0EBE1;
  --stone: #B8976E;
  --moss: #95A895;
  --rust: #C47E63;
  --dawn: #D4A87A;
  --fog: #6B6359;
}

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

body {
  font-family: var(--font-body);
  font-size: 1.0625rem;
  line-height: 1.65;
  color: var(--ink);
  background-color: var(--parchment);
  transition: var(--transition-colors);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* --- Typography --- */
.display-large {
  font-family: var(--font-display);
  font-weight: 300;
  font-size: 2.125rem;
  line-height: 1.2;
  letter-spacing: 0.01em;
}

.display-medium {
  font-family: var(--font-display);
  font-weight: 300;
  font-size: 1.75rem;
  line-height: 1.3;
}

.heading {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.0625rem;
  line-height: 1.4;
}

.body-text {
  font-family: var(--font-body);
  font-weight: 400;
  font-size: 1.0625rem;
  line-height: 1.65;
}

.caption {
  font-family: var(--font-ui);
  font-weight: 400;
  font-size: 0.75rem;
  line-height: 1.5;
}

.micro {
  font-family: var(--font-ui);
  font-weight: 400;
  font-size: 0.5625rem;
  line-height: 1.4;
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

/* --- Layout --- */
.section {
  padding: var(--padding-xl) var(--padding-md);
}

.section-inner {
  max-width: var(--content-width);
  margin: 0 auto;
}

/* --- Links --- */
a {
  color: var(--stone);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color 0.2s ease;
}

a:hover {
  border-bottom-color: var(--stone);
}

a:focus-visible {
  outline: 2px solid var(--stone);
  outline-offset: 2px;
  border-radius: 2px;
}

/* =============================================
   Hero / Threshold
   ============================================= */
.hero {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  position: relative;
  padding: var(--padding-xl) var(--padding-md);
}

.hero-logo {
  width: 120px;
  height: 120px;
  margin-bottom: var(--padding-lg);
  border-radius: 22px;
}

.hero-title {
  font-family: var(--font-display);
  font-weight: 300;
  font-size: 3rem;
  color: var(--ink);
  letter-spacing: 0.02em;
  margin-bottom: var(--padding-sm);
}

.hero-tagline {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: 1.25rem;
  color: var(--stone);
  font-style: italic;
  margin-bottom: var(--padding-xl);
}

.hero-quotes {
  position: relative;
  height: 2.4em;
  width: 100%;
  max-width: 480px;
  margin-bottom: var(--padding-xl);
}

.hero-quote {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-weight: 300;
  font-size: 1.125rem;
  color: var(--stone);
  font-style: italic;
  opacity: 0;
  transition: opacity 0.6s ease;
}

.hero-quote.active {
  opacity: 1;
}

.moon-phase {
  position: absolute;
  top: var(--padding-lg);
  right: var(--padding-lg);
  width: 28px;
  height: 28px;
}

.scroll-hint {
  position: absolute;
  bottom: var(--padding-xl);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  color: var(--fog);
}

.scroll-hint-text {
  font-family: var(--font-ui);
  font-size: 0.5625rem;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  opacity: 0.6;
}

.scroll-hint-chevron {
  width: 20px;
  height: 20px;
  opacity: 0.4;
}

/* --- Particles container --- */
.particles {
  position: absolute;
  inset: 0;
  overflow: hidden;
  pointer-events: none;
}

/* =============================================
   Philosophy
   ============================================= */
.philosophy {
  padding-top: 5rem;
  padding-bottom: 5rem;
}

.philosophy .section-inner {
  display: flex;
  flex-direction: column;
  gap: var(--padding-xl);
}

.philosophy h2 {
  color: var(--ink);
}

.philosophy p {
  color: var(--ink);
  max-width: 560px;
}

.philosophy .anti-position {
  color: var(--stone);
  font-style: italic;
  font-family: var(--font-display);
  font-size: 1.125rem;
}

/* --- Footprint divider --- */
.divider-footprints {
  display: flex;
  justify-content: center;
  gap: 1.5rem;
  padding: 2rem 0;
  opacity: 0.15;
}

.footprint {
  width: 12px;
  height: 20px;
  color: var(--stone);
}

.footprint:nth-child(even) {
  transform: translateY(6px) rotate(8deg);
}

.footprint:nth-child(odd) {
  transform: translateY(-2px) rotate(-5deg);
}

/* =============================================
   Practice
   ============================================= */
.practice {
  padding-top: 3rem;
  padding-bottom: 5rem;
}

.practice-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--padding-lg);
  margin-top: var(--padding-xl);
}

.practice-card {
  background: var(--parchment-secondary);
  border-radius: var(--radius-md);
  padding: var(--padding-lg);
  transition: var(--transition-colors);
}

.practice-card-icon {
  font-size: 1.5rem;
  margin-bottom: var(--padding-sm);
}

.practice-card h3 {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.0625rem;
  margin-bottom: var(--padding-xs);
}

.practice-card p {
  font-family: var(--font-body);
  font-size: 0.9375rem;
  color: var(--stone);
  line-height: 1.5;
}

.practice-card--voice h3 { color: var(--stone); }
.practice-card--stillness h3 { color: var(--moss); }
.practice-card--reflection h3 { color: var(--dawn); }
.practice-card--privacy h3 { color: var(--rust); }

/* =============================================
   Seasons
   ============================================= */
.seasons {
  padding-top: 3rem;
  padding-bottom: 5rem;
}

.seasons h2 {
  margin-bottom: var(--padding-md);
}

.seasons-description {
  color: var(--stone);
  margin-bottom: var(--padding-xl);
  max-width: 480px;
}

.seasons-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--padding-md);
}

.season-swatch {
  border-radius: var(--radius-md);
  padding: var(--padding-lg) var(--padding-md);
  text-align: center;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.season-swatch.active {
  transform: scale(1.03);
  box-shadow: 0 4px 20px rgba(0,0,0,0.08);
}

.season-name {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.875rem;
  margin-bottom: var(--padding-sm);
}

.season-colors {
  display: flex;
  justify-content: center;
  gap: 6px;
}

.season-dot {
  width: 14px;
  height: 14px;
  border-radius: 50%;
}

/* =============================================
   Story
   ============================================= */
.story {
  padding-top: 3rem;
  padding-bottom: 5rem;
}

.story h2 {
  margin-bottom: var(--padding-lg);
}

.story p {
  margin-bottom: var(--padding-md);
  max-width: 560px;
}

.story-links {
  margin-top: var(--padding-lg);
  display: flex;
  flex-direction: column;
  gap: var(--padding-sm);
}

.story-links a {
  color: var(--stone);
  font-family: var(--font-ui);
  font-size: 0.875rem;
  width: fit-content;
}

/* =============================================
   Footer / Horizon
   ============================================= */
.horizon {
  padding: 3rem var(--padding-md);
  text-align: center;
  border-top: 1px solid var(--parchment-tertiary);
}

.horizon-logo {
  width: 40px;
  height: 40px;
  margin-bottom: var(--padding-md);
  border-radius: 8px;
}

.horizon-coming {
  font-family: var(--font-display);
  font-weight: 300;
  font-size: 1.125rem;
  color: var(--fog);
  font-style: italic;
  margin-bottom: var(--padding-lg);
}

.horizon-actions {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: var(--padding-lg);
  margin-bottom: var(--padding-lg);
}

.theme-toggle {
  background: none;
  border: 1px solid var(--parchment-tertiary);
  border-radius: var(--radius-sm);
  padding: 0.4rem 0.6rem;
  cursor: pointer;
  color: var(--fog);
  font-size: 1rem;
  transition: border-color 0.2s ease, color 0.2s ease;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
}

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

.theme-toggle:focus-visible {
  outline: 2px solid var(--stone);
  outline-offset: 2px;
}

.horizon-signoff {
  font-family: var(--font-ui);
  font-size: 0.75rem;
  color: var(--fog);
  opacity: 0.6;
}

.github-link {
  color: var(--fog);
  font-family: var(--font-ui);
  font-size: 0.875rem;
}

/* =============================================
   Scroll Distance Tracker
   ============================================= */
.scroll-tracker {
  position: fixed;
  bottom: var(--padding-lg);
  right: var(--padding-lg);
  font-family: var(--font-ui);
  font-size: 0.6875rem;
  color: var(--fog);
  opacity: 0;
  transition: opacity 0.4s ease;
  pointer-events: none;
  z-index: 10;
}

.scroll-tracker.visible {
  opacity: 0.6;
}

/* =============================================
   Moon Phase
   ============================================= */
.moon-canvas {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--fog);
  position: relative;
  overflow: hidden;
  opacity: 0.5;
}

.moon-shadow {
  position: absolute;
  top: 0;
  width: 28px;
  height: 28px;
  background: var(--parchment);
  border-radius: 50%;
  transition: var(--transition-colors);
}

/* =============================================
   Responsive
   ============================================= */
@media (max-width: 768px) {
  .hero-title {
    font-size: 2.25rem;
  }

  .hero-tagline {
    font-size: 1.125rem;
  }

  .display-large {
    font-size: 1.75rem;
  }

  .display-medium {
    font-size: 1.375rem;
  }

  .practice-grid {
    grid-template-columns: 1fr;
  }

  .seasons-grid {
    grid-template-columns: 1fr 1fr;
    gap: var(--padding-sm);
  }

  .moon-phase {
    top: var(--padding-md);
    right: var(--padding-md);
  }
}

@media (max-width: 480px) {
  .section {
    padding: 3rem var(--padding-md);
  }

  .hero-title {
    font-size: 2rem;
  }

  .hero-quotes {
    max-width: 300px;
  }

  .hero-quote {
    font-size: 1rem;
  }

  .seasons-grid {
    grid-template-columns: 1fr 1fr;
  }

  .season-swatch {
    padding: var(--padding-md) var(--padding-sm);
  }
}