/* ============================================================
   ÆtherGlyph — Main Stylesheet
   Brand: ÆtherGlyph | A Celestryll Brand
   Palette: #05060A bg | #F5F5F5 text | #6A5ACD accent
   Fonts: Cinzel Decorative, Cinzel, Montserrat, Cormorant Garamond
   ============================================================ */

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

:root {
  --bg:           #05060A;
  --bg-card:      #0D0E16;
  --bg-elevated:  #12131E;
  --text:         #F5F5F5;
  --text-muted:   #A0A4B8;
  --accent:       #6A5ACD;
  --accent-light: #8B7FE8;
  --accent-dim:   rgba(106, 90, 205, 0.18);
  --border:       rgba(160, 164, 184, 0.12);
  --border-glow:  rgba(106, 90, 205, 0.35);
  --glow-color:   rgba(106, 90, 205, 0.6);
  --radius:       8px;
  --radius-lg:    16px;
  --transition:   0.3s ease;
  --font-display: 'Cinzel Decorative', 'Cinzel', serif;
  --font-head:    'Cinzel', serif;
  --font-body:    'Montserrat', sans-serif;
  --font-accent:  'Cormorant Garamond', serif;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  background-color: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  line-height: 1.7;
  overflow-x: hidden;
  /* Subtle noise texture via SVG data URI */
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='300' height='300'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.75' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='300' height='300' filter='url(%23n)' opacity='0.03'/%3E%3C/svg%3E");
}

img {
  max-width: 100%;
  display: block;
}

a {
  color: var(--accent-light);
  text-decoration: none;
  transition: color var(--transition);
}

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

/* ── Typography ───────────────────────────────────────────── */
h1, h2, h3, h4 {
  font-family: var(--font-head);
  letter-spacing: 0.06em;
  line-height: 1.2;
}

.display-title {
  font-family: var(--font-display);
  letter-spacing: 0.08em;
}

.accent-heading {
  font-family: var(--font-accent);
  font-style: italic;
  font-weight: 400;
}

/* ── Utility ──────────────────────────────────────────────── */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
}

.section-label {
  font-family: var(--font-body);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 0.75rem;
}

.section-title {
  font-family: var(--font-head);
  font-size: clamp(1.6rem, 3vw, 2.4rem);
  color: var(--text);
  margin-bottom: 1rem;
  letter-spacing: 0.06em;
}

.section-subtitle {
  font-family: var(--font-accent);
  font-style: italic;
  font-size: clamp(1rem, 1.8vw, 1.2rem);
  color: var(--text-muted);
  max-width: 600px;
}

.divider {
  width: 60px;
  height: 2px;
  background: linear-gradient(90deg, var(--accent), transparent);
  margin: 1.5rem 0 2.5rem;
}

/* fade-in animation class (JS adds .visible) */
.fade-in {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* Stagger children */
.stagger > * { transition-delay: calc(var(--i, 0) * 80ms); }

/* ── Navigation ───────────────────────────────────────────── */
#navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 999;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 2rem;
  background: rgba(5, 6, 10, 0);
  border-bottom: 1px solid transparent;
  transition: background var(--transition), border-color var(--transition), padding var(--transition);
}

#navbar.scrolled {
  background: rgba(5, 6, 10, 0.92);
  border-bottom-color: var(--border);
  backdrop-filter: blur(12px);
  padding: 0.6rem 2rem;
}

.nav-brand {
  font-family: var(--font-display);
  font-size: 1.1rem;
  letter-spacing: 0.12em;
  color: var(--text);
  text-decoration: none;
  white-space: nowrap;
}

.nav-links {
  display: flex;
  gap: 2rem;
  list-style: none;
}

.nav-links a {
  font-family: var(--font-body);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--text-muted);
  transition: color var(--transition);
}

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

/* Mobile nav toggle */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}

.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: var(--transition);
}

/* ── Hero Section ─────────────────────────────────────────── */
#hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  overflow: hidden;
  padding: 6rem 2rem 4rem;
}

/* Parallax bg layer */
.hero-bg {
  position: absolute;
  inset: -10%;
  background:
    radial-gradient(ellipse 80% 60% at 50% 40%, rgba(106, 90, 205, 0.14) 0%, transparent 70%),
    radial-gradient(ellipse 40% 40% at 80% 80%, rgba(106, 90, 205, 0.08) 0%, transparent 60%),
    radial-gradient(ellipse 50% 50% at 20% 20%, rgba(160, 164, 184, 0.05) 0%, transparent 60%);
  will-change: transform;
  pointer-events: none;
}

/* Floating glyph lines */
.hero-lines {
  position: absolute;
  inset: 0;
  pointer-events: none;
  overflow: hidden;
  opacity: 0.06;
}

.hero-lines svg {
  width: 100%;
  height: 100%;
}

.hero-logo-wrap {
  position: relative;
  z-index: 2;
  margin-bottom: 2.5rem;
  animation: heroFadeUp 1.2s ease both;
}

.hero-logo-wrap svg {
  width: min(560px, 90vw);
  height: auto;
}

@keyframes heroFadeUp {
  from { opacity: 0; transform: translateY(40px); }
  to   { opacity: 1; transform: translateY(0); }
}

.hero-tagline {
  position: relative;
  z-index: 2;
  font-family: var(--font-accent);
  font-style: italic;
  font-size: clamp(1.1rem, 2.5vw, 1.6rem);
  color: var(--text-muted);
  letter-spacing: 0.04em;
  animation: heroFadeUp 1.2s 0.3s ease both;
  margin-bottom: 2.5rem;
}

.hero-cta {
  position: relative;
  z-index: 2;
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  justify-content: center;
  animation: heroFadeUp 1.2s 0.6s ease both;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-body);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  padding: 0.85rem 2rem;
  border-radius: var(--radius);
  border: 1px solid transparent;
  cursor: pointer;
  transition: all var(--transition);
  text-decoration: none;
}

.btn-primary {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
  box-shadow: 0 0 24px rgba(106, 90, 205, 0.35);
}

.btn-primary:hover {
  background: var(--accent-light);
  border-color: var(--accent-light);
  color: #fff;
  box-shadow: 0 0 36px rgba(106, 90, 205, 0.6);
  transform: translateY(-2px);
}

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

.btn-outline:hover {
  background: var(--accent-dim);
  border-color: var(--accent);
  color: var(--text);
  transform: translateY(-2px);
}

.scroll-indicator {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.4rem;
  z-index: 2;
  opacity: 0.4;
  animation: bounce 2s infinite;
}

.scroll-indicator span {
  font-size: 0.6rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.scroll-indicator svg { width: 20px; height: 20px; }

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

/* ── Section Base ─────────────────────────────────────────── */
section {
  padding: 6rem 0;
}

section:nth-child(even) {
  background: var(--bg-card);
}

/* ── About ────────────────────────────────────────────────── */
#about .about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

#about .about-text p {
  color: var(--text-muted);
  margin-bottom: 1.2rem;
  font-size: 0.95rem;
}

#about .about-text p strong {
  color: var(--text);
}

#about .about-pillars {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.2rem;
}

.pillar-card {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  transition: border-color var(--transition), box-shadow var(--transition), transform var(--transition);
}

.pillar-card:hover {
  border-color: var(--border-glow);
  box-shadow: 0 0 20px var(--accent-dim);
  transform: translateY(-3px);
}

.pillar-icon {
  font-size: 1.5rem;
  margin-bottom: 0.6rem;
}

.pillar-card h4 {
  font-size: 0.85rem;
  letter-spacing: 0.1em;
  margin-bottom: 0.4rem;
  color: var(--text);
}

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

/* ── Logo Concepts ────────────────────────────────────────── */
#logos .logo-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  margin-top: 3rem;
}

.logo-card {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 3rem 2rem 2rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  cursor: default;
  transition: border-color var(--transition), box-shadow var(--transition), transform var(--transition);
}

.logo-card:hover {
  border-color: var(--border-glow);
  box-shadow: 0 8px 40px rgba(106, 90, 205, 0.2);
  transform: translateY(-6px);
}

.logo-card svg {
  width: 100%;
  max-width: 320px;
  height: auto;
  filter: drop-shadow(0 0 10px rgba(106, 90, 205, 0.2));
  transition: filter var(--transition);
}

.logo-card:hover svg {
  filter: drop-shadow(0 0 18px rgba(106, 90, 205, 0.45));
}

.logo-card-label {
  margin-top: 1.8rem;
  font-family: var(--font-body);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.logo-card-name {
  margin-top: 0.3rem;
  font-family: var(--font-head);
  font-size: 0.95rem;
  letter-spacing: 0.08em;
  color: var(--text);
}

/* ── Art Collections ──────────────────────────────────────── */
#collections .tab-nav {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
  margin-bottom: 2.5rem;
  border-bottom: 1px solid var(--border);
  padding-bottom: 0;
}

.tab-btn {
  background: none;
  border: none;
  border-bottom: 2px solid transparent;
  padding: 0.6rem 1.2rem;
  color: var(--text-muted);
  font-family: var(--font-body);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  cursor: pointer;
  transition: color var(--transition), border-color var(--transition);
  margin-bottom: -1px;
}

.tab-btn.active,
.tab-btn:hover {
  color: var(--text);
  border-bottom-color: var(--accent);
}

.tab-panel {
  display: none;
}

.tab-panel.active {
  display: block;
}

.art-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 1.2rem;
}

/* ── Gallery ──────────────────────────────────────────────── */
#gallery .gallery-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 0.75rem;
  margin-top: 3rem;
}

/* placeholder art card used in both gallery and collections */
.art-card {
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
  cursor: pointer;
  aspect-ratio: 3 / 4;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  transition: transform var(--transition), box-shadow var(--transition);
}

.art-card:hover {
  transform: scale(1.03);
  box-shadow: 0 8px 32px rgba(106, 90, 205, 0.25);
  z-index: 2;
}

/* Placeholder gradient image */
.art-placeholder {
  width: 100%;
  height: 100%;
  background: var(--grad, linear-gradient(135deg, #1a1235 0%, #0d0e16 100%));
  display: flex;
  align-items: flex-end;
  padding: 0.75rem;
  transition: transform var(--transition);
}

.art-card:hover .art-placeholder {
  transform: scale(1.05);
}

.art-caption {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 2rem 0.75rem 0.75rem;
  background: linear-gradient(transparent, rgba(5,6,10,0.9));
  font-family: var(--font-body);
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  color: var(--text-muted);
  transform: translateY(4px);
  opacity: 0;
  transition: opacity var(--transition), transform var(--transition);
}

.art-card:hover .art-caption {
  opacity: 1;
  transform: translateY(0);
}

/* ── Merch / Shop ─────────────────────────────────────────── */
#shop .shop-intro {
  max-width: 600px;
  color: var(--text-muted);
  font-size: 0.9rem;
  margin-bottom: 3rem;
}

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

.product-card {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: border-color var(--transition), box-shadow var(--transition), transform var(--transition);
}

.product-card:hover {
  border-color: var(--border-glow);
  box-shadow: 0 8px 32px rgba(106, 90, 205, 0.2);
  transform: translateY(-4px);
}

.product-img {
  aspect-ratio: 4 / 3;
  /* Replace with real product images */
  background: var(--grad, linear-gradient(135deg, #1a1235 0%, #0d0e16 100%));
}

.product-info {
  padding: 1.2rem;
}

.product-info h4 {
  font-size: 0.9rem;
  letter-spacing: 0.06em;
  margin-bottom: 0.3rem;
}

.product-info p {
  font-size: 0.78rem;
  color: var(--text-muted);
  margin-bottom: 1rem;
}

.product-info .btn {
  width: 100%;
  justify-content: center;
  font-size: 0.7rem;
  padding: 0.65rem 1rem;
}

.storefront-links {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  align-items: center;
}

/* ── POD Fulfillment note ─────────────────────────────────── */
.fulfillment-note {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-left: 3px solid var(--accent);
  border-radius: var(--radius);
  padding: 1.2rem 1.5rem;
  margin-top: 2.5rem;
  font-size: 0.82rem;
  color: var(--text-muted);
  max-width: 680px;
}

.fulfillment-note strong {
  display: block;
  color: var(--text);
  margin-bottom: 0.3rem;
  font-family: var(--font-head);
  font-size: 0.8rem;
  letter-spacing: 0.08em;
}

/* ── Modal / Lightbox ─────────────────────────────────────── */
#lightbox {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 9999;
  background: rgba(5, 6, 10, 0.95);
  align-items: center;
  justify-content: center;
  backdrop-filter: blur(8px);
}

#lightbox.open {
  display: flex;
}

.lightbox-inner {
  position: relative;
  max-width: 90vw;
  max-height: 90vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
}

.lightbox-img {
  max-width: 100%;
  max-height: 80vh;
  border-radius: var(--radius);
  box-shadow: 0 0 60px rgba(106, 90, 205, 0.3);
}

.lightbox-caption {
  color: var(--text-muted);
  font-size: 0.8rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.lightbox-close {
  position: absolute;
  top: -3rem;
  right: 0;
  background: none;
  border: none;
  color: var(--text);
  font-size: 1.8rem;
  cursor: pointer;
  line-height: 1;
  opacity: 0.6;
  transition: opacity var(--transition);
}

.lightbox-close:hover { opacity: 1; }

/* ── Footer ───────────────────────────────────────────────── */
#footer {
  background: #030408;
  border-top: 1px solid var(--border);
  padding: 4rem 0 2rem;
  text-align: center;
}

.footer-brand {
  font-family: var(--font-display);
  font-size: 1.4rem;
  letter-spacing: 0.12em;
  margin-bottom: 0.4rem;
  background: linear-gradient(135deg, #F5F5F5, #A0A4B8);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.footer-tagline {
  font-family: var(--font-accent);
  font-style: italic;
  color: var(--text-muted);
  font-size: 0.95rem;
  margin-bottom: 2rem;
}

.social-icons {
  display: flex;
  justify-content: center;
  gap: 1.2rem;
  margin-bottom: 2rem;
}

/* TODO: Replace href="#" with real social URLs */
.social-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border: 1px solid var(--border);
  border-radius: 50%;
  color: var(--text-muted);
  transition: all var(--transition);
}

.social-icon:hover {
  border-color: var(--accent);
  color: var(--text);
  background: var(--accent-dim);
  transform: translateY(-2px);
}

.social-icon svg {
  width: 16px;
  height: 16px;
  fill: currentColor;
}

.footer-links {
  display: flex;
  justify-content: center;
  gap: 2rem;
  margin-bottom: 2rem;
  flex-wrap: wrap;
}

.footer-links a {
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--text-muted);
}

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

.footer-divider {
  width: 100%;
  height: 1px;
  background: var(--border);
  margin: 1.5rem 0;
}

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.72rem;
  color: var(--text-muted);
  flex-wrap: wrap;
  gap: 0.5rem;
}

.celestryll-note {
  font-variant: small-caps;
  letter-spacing: 0.12em;
}

/* ── Responsive ───────────────────────────────────────────── */
@media (max-width: 1024px) {
  #gallery .gallery-grid {
    grid-template-columns: repeat(4, 1fr);
  }

  .logo-grid {
    gap: 1.5rem;
  }
}

@media (max-width: 768px) {
  /* Nav */
  .nav-links {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: rgba(5, 6, 10, 0.97);
    border-top: 1px solid var(--border);
    flex-direction: column;
    padding: 1.5rem 2rem;
    gap: 1.2rem;
    backdrop-filter: blur(12px);
  }

  .nav-links.open { display: flex; }

  .nav-toggle { display: flex; }

  /* About */
  #about .about-grid {
    grid-template-columns: 1fr;
    gap: 3rem;
  }

  /* Logos */
  #logos .logo-grid {
    grid-template-columns: 1fr;
    max-width: 400px;
    margin-left: auto;
    margin-right: auto;
  }

  /* Products */
  .product-grid {
    grid-template-columns: 1fr 1fr;
  }

  /* Gallery */
  #gallery .gallery-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  /* About pillars */
  #about .about-pillars {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 540px) {
  .container { padding: 0 1.2rem; }

  section { padding: 4rem 0; }

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

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

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

  .footer-bottom {
    flex-direction: column;
    align-items: center;
    text-align: center;
  }
}