/* ============================================
   VELA Brand Identity Kit — Styles
   Palette: Monochrome Luxe + Antique Gold
   Fonts: Outfit (display) + Spectral (body)
   ============================================ */

:root {
  --obsidian: #1A1A1A;
  --charcoal: #2C2C2C;
  --graphite: #6B6B6B;
  --silver: #E0E0E0;
  --ivory: #FAFAFA;
  --parchment: #F2EFE9;
  --gold: #B8860B;
  --gold-light: #D4AF37;
  --gold-pale: #F5EDD0;

  --font-display: 'Outfit', sans-serif;
  --font-body: 'Spectral', serif;

  --radius-sm: 2px;
  --radius-md: 4px;
  --radius-lg: 8px;

  --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html { scroll-behavior: smooth; }

body {
  background: var(--ivory);
  color: var(--obsidian);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* ── NAV ── */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 48px;
  height: 64px;
  background: rgba(250,250,250,0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--silver);
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
}

.nav-wordmark {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 15px;
  letter-spacing: 0.18em;
  color: var(--obsidian);
}

.nav-links {
  display: flex;
  gap: 32px;
}

.nav-links a {
  font-family: var(--font-display);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--graphite);
  text-decoration: none;
  transition: color var(--transition);
}

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

/* ── HERO ── */
.hero {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 120px 48px 80px;
  max-width: 900px;
  margin: 0 auto;
  animation: fadeUp 0.9s ease both;
}

.hero-label {
  font-family: var(--font-display);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 24px;
}

.hero-title {
  font-family: var(--font-display);
  font-size: clamp(72px, 12vw, 160px);
  font-weight: 300;
  letter-spacing: -0.04em;
  line-height: 0.9;
  color: var(--obsidian);
  margin-bottom: 32px;
}

.hero-dot { color: var(--gold); }

.hero-sub {
  font-family: var(--font-body);
  font-size: 18px;
  font-weight: 300;
  color: var(--graphite);
  max-width: 520px;
  line-height: 1.7;
  margin-bottom: 48px;
}

.hero-divider {
  width: 48px;
  height: 1px;
  background: var(--gold);
  margin-bottom: 24px;
}

.hero-meta {
  font-family: var(--font-display);
  font-size: 12px;
  font-weight: 400;
  letter-spacing: 0.08em;
  color: var(--graphite);
  display: flex;
  gap: 12px;
  align-items: center;
}

.sep { color: var(--silver); }

/* ── SECTIONS ── */
.section {
  padding: 100px 48px;
  max-width: 1200px;
  margin: 0 auto;
}

.section-alt {
  background: var(--parchment);
  max-width: 100%;
  padding: 100px 0;
}

.section-alt > * {
  max-width: 1200px;
  margin-left: auto;
  margin-right: auto;
  padding-left: 48px;
  padding-right: 48px;
}

.section-alt .section-header,
.section-alt .color-system,
.section-alt .color-usage,
.section-alt .components-grid {
  max-width: 1200px;
  margin-left: auto;
  margin-right: auto;
  padding-left: 48px;
  padding-right: 48px;
}

.section-header {
  display: flex;
  align-items: baseline;
  gap: 20px;
  margin-bottom: 64px;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--silver);
}

.section-tag {
  font-family: var(--font-display);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.15em;
  color: var(--gold);
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(28px, 3vw, 40px);
  font-weight: 300;
  letter-spacing: -0.02em;
  color: var(--obsidian);
}

/* ── LOGO GRID ── */
.logo-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2px;
  margin-bottom: 48px;
}

.logo-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 20px;
  padding: 56px 32px 32px;
  min-height: 220px;
  position: relative;
}

.bg-light { background: var(--ivory); border: 1px solid var(--silver); }
.bg-dark { background: var(--obsidian); }
.bg-offwhite { background: var(--parchment); border: 1px solid var(--silver); }

.logo-mark-wrap {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
}

.logo-wordmark {
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 600;
  letter-spacing: 0.28em;
}

.logo-wordmark.dark { color: var(--obsidian); }
.logo-wordmark.light { color: var(--ivory); }

.logo-label {
  font-family: var(--font-display);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--graphite);
  position: absolute;
  bottom: 16px;
}

.logo-label.light { color: rgba(250,250,250,0.5); }

.logo-wordmark-only {
  font-family: var(--font-display);
  font-size: 36px;
  font-weight: 600;
  letter-spacing: 0.32em;
  color: var(--obsidian);
}

.logo-horizontal {
  display: flex;
  align-items: center;
  gap: 16px;
}

.logo-horizontal-text {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.logo-h-name {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 600;
  letter-spacing: 0.22em;
  color: var(--obsidian);
  line-height: 1;
}

.logo-h-tagline {
  font-family: var(--font-body);
  font-size: 11px;
  font-weight: 300;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--graphite);
}

/* Clearspace */
.clearspace-demo {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}

.clearspace-box {
  border: 1px dashed var(--silver);
  padding: 24px;
}

.clearspace-arrows {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.cs-arrow {
  position: absolute;
  font-family: var(--font-display);
  font-size: 10px;
  color: var(--gold);
  font-weight: 500;
}

.cs-arrow.top { top: 4px; left: 50%; transform: translateX(-50%); }
.cs-arrow.left { left: 4px; top: 50%; transform: translateY(-50%); }

/* Don'ts */
.donts-row {
  margin-top: 48px;
  padding-top: 40px;
  border-top: 1px solid var(--silver);
}

.donts-title {
  font-family: var(--font-display);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--graphite);
  margin-bottom: 24px;
}

.donts-grid {
  display: flex;
  gap: 24px;
  flex-wrap: wrap;
}

.dont-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  font-family: var(--font-display);
  font-size: 11px;
  color: var(--graphite);
  letter-spacing: 0.05em;
}

.dont-preview {
  width: 80px;
  height: 80px;
  border: 1px solid var(--silver);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}

.dont-preview::after {
  content: '';
  position: absolute;
  inset: 0;
  border: 2px solid #E74C3C;
  pointer-events: none;
}

.dont-preview::before {
  content: '✕';
  position: absolute;
  top: 4px;
  right: 6px;
  font-size: 10px;
  color: #E74C3C;
  font-weight: 700;
  z-index: 2;
}

.stretched svg { transform: scaleX(1.5); }
.rotated svg { transform: rotate(25deg); }
.on-busy { background: linear-gradient(135deg, #667eea, #764ba2); }

/* ── COLOR SYSTEM ── */
.color-system { margin-bottom: 48px; }

.color-primary-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2px;
  margin-bottom: 2px;
}

.color-secondary-row {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 2px;
}

.color-swatch {
  position: relative;
  overflow: hidden;
  transition: transform var(--transition);
}

.color-swatch:hover { transform: translateY(-4px); }

.color-swatch.large { height: 200px; }
.color-swatch.small { height: 120px; }

.swatch-info {
  position: absolute;
  bottom: 0; left: 0; right: 0;
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.swatch-info.light .swatch-name,
.swatch-info.light .swatch-hex,
.swatch-info.light .swatch-role { color: rgba(250,250,250,0.9); }

.swatch-info.dark .swatch-name,
.swatch-info.dark .swatch-hex,
.swatch-info.dark .swatch-role { color: var(--obsidian); }

.swatch-name {
  font-family: var(--font-display);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.05em;
}

.swatch-hex {
  font-family: 'Courier New', monospace;
  font-size: 12px;
  opacity: 0.8;
}

.swatch-role {
  font-family: var(--font-display);
  font-size: 10px;
  font-weight: 400;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  opacity: 0.7;
}

/* Color usage bar */
.color-usage { margin-top: 48px; }

.usage-title {
  font-family: var(--font-display);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--graphite);
  margin-bottom: 16px;
}

.usage-bar {
  display: flex;
  height: 48px;
  overflow: hidden;
  border-radius: var(--radius-sm);
  margin-bottom: 12px;
}

.usage-seg { height: 100%; }

.usage-legend {
  display: flex;
  gap: 24px;
  flex-wrap: wrap;
}

.usage-legend span {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-display);
  font-size: 12px;
  color: var(--graphite);
}

.usage-legend i {
  display: inline-block;
  width: 14px;
  height: 14px;
  border-radius: 2px;
  flex-shrink: 0;
}

/* ── TYPOGRAPHY ── */
.type-system { display: flex; flex-direction: column; gap: 64px; }

.type-families {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2px;
}

.type-family-card {
  background: var(--obsidian);
  padding: 48px;
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.type-specimen {
  line-height: 1;
  color: var(--ivory);
}

.display-specimen {
  font-family: var(--font-display);
  font-size: clamp(48px, 6vw, 80px);
  font-weight: 300;
  letter-spacing: -0.03em;
}

.body-specimen {
  font-family: var(--font-body);
  font-size: clamp(48px, 6vw, 80px);
  font-weight: 300;
  font-style: italic;
}

.type-family-meta {
  display: flex;
  flex-direction: column;
  gap: 4px;
  border-top: 1px solid rgba(255,255,255,0.1);
  padding-top: 20px;
}

.type-family-name {
  font-family: var(--font-display);
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.08em;
  color: var(--ivory);
}

.type-family-role {
  font-family: var(--font-display);
  font-size: 12px;
  color: var(--graphite);
  letter-spacing: 0.05em;
}

.type-family-weights {
  font-family: var(--font-display);
  font-size: 11px;
  color: var(--gold);
  letter-spacing: 0.1em;
}

/* Type scale */
.type-scale { display: flex; flex-direction: column; }

.scale-title {
  font-family: var(--font-display);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--graphite);
  margin-bottom: 32px;
}

.scale-row {
  display: grid;
  grid-template-columns: 140px 1fr;
  align-items: baseline;
  gap: 32px;
  padding: 24px 0;
}

.scale-label {
  font-family: var(--font-display);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--gold);
  flex-shrink: 0;
}

.scale-sample { color: var(--obsidian); }

.scale-divider {
  height: 1px;
  background: var(--silver);
}

/* Type pairing */
.type-pairing { }

.pairing-card {
  background: var(--obsidian);
  padding: 64px;
  max-width: 700px;
}

.pairing-overline {
  font-family: var(--font-display);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 24px;
}

.pairing-heading {
  font-family: var(--font-display);
  font-size: clamp(28px, 3.5vw, 44px);
  font-weight: 300;
  letter-spacing: -0.02em;
  line-height: 1.15;
  color: var(--ivory);
  margin-bottom: 28px;
}

.pairing-heading em {
  font-family: var(--font-body);
  font-style: italic;
  color: var(--gold-light);
}

.pairing-body {
  font-family: var(--font-body);
  font-size: 15px;
  font-weight: 300;
  line-height: 1.8;
  color: rgba(250,250,250,0.65);
  margin-bottom: 36px;
  max-width: 480px;
}

.pairing-cta {
  font-family: var(--font-display);
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.08em;
  color: var(--gold);
  text-decoration: none;
  border-bottom: 1px solid var(--gold);
  padding-bottom: 2px;
  transition: color var(--transition), border-color var(--transition);
}

.pairing-cta:hover { color: var(--gold-light); border-color: var(--gold-light); }

/* ── COMPONENTS ── */
.components-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2px;
}

.component-block {
  background: var(--ivory);
  border: 1px solid var(--silver);
  padding: 40px;
}

.component-block.full-width {
  grid-column: 1 / -1;
}

.component-label {
  font-family: var(--font-display);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 28px;
}

/* Buttons */
.btn-row {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  align-items: center;
}

.btn {
  font-family: var(--font-display);
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.08em;
  padding: 12px 28px;
  border: none;
  cursor: pointer;
  transition: all var(--transition);
  border-radius: var(--radius-sm);
}

.btn-primary {
  background: var(--obsidian);
  color: var(--ivory);
}
.btn-primary:hover { background: var(--charcoal); }

.btn-secondary {
  background: transparent;
  color: var(--obsidian);
  border: 1.5px solid var(--obsidian);
}
.btn-secondary:hover { background: var(--obsidian); color: var(--ivory); }

.btn-ghost {
  background: transparent;
  color: var(--graphite);
  border: 1.5px solid var(--silver);
}
.btn-ghost:hover { border-color: var(--graphite); color: var(--obsidian); }

.btn-gold {
  background: var(--gold);
  color: var(--ivory);
}
.btn-gold:hover { background: var(--gold-light); }

/* Badges */
.badge-row {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.badge {
  font-family: var(--font-display);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 6px 14px;
  border-radius: var(--radius-sm);
}

.badge-dark { background: var(--obsidian); color: var(--ivory); }
.badge-outline { background: transparent; color: var(--obsidian); border: 1px solid var(--obsidian); }
.badge-gold { background: var(--gold-pale); color: var(--gold); border: 1px solid var(--gold); }
.badge-light { background: var(--silver); color: var(--graphite); }

/* Cards */
.cards-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2px;
}

.card {
  padding: 32px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  position: relative;
  overflow: hidden;
  transition: transform var(--transition);
}

.card:hover { transform: translateY(-4px); }

.card-light { background: var(--parchment); border: 1px solid var(--silver); }
.card-dark { background: var(--obsidian); }
.card-gold-accent { background: var(--ivory); border: 1px solid var(--silver); }

.card-accent-bar {
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: var(--gold);
}

.card-tag {
  font-family: var(--font-display);
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--graphite);
}

.card-tag.gold { color: var(--gold); }

.card-title {
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 500;
  letter-spacing: -0.01em;
  color: var(--obsidian);
}

.card-title.light { color: var(--ivory); }

.card-body {
  font-family: var(--font-body);
  font-size: 14px;
  font-weight: 300;
  line-height: 1.65;
  color: var(--graphite);
  flex: 1;
}

.card-body.light { color: rgba(250,250,250,0.55); }

.card-link {
  font-family: var(--font-display);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.06em;
  color: var(--obsidian);
  text-decoration: none;
  transition: color var(--transition);
}

.card-link:hover { color: var(--gold); }
.card-link.gold { color: var(--gold); }
.card-link.gold:hover { color: var(--gold-light); }

/* Forms */
.form-demo {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.form-label {
  font-family: var(--font-display);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--graphite);
}

.form-input,
.form-select {
  font-family: var(--font-body);
  font-size: 15px;
  font-weight: 300;
  color: var(--obsidian);
  background: var(--ivory);
  border: 1px solid var(--silver);
  border-radius: var(--radius-sm);
  padding: 12px 16px;
  outline: none;
  transition: border-color var(--transition);
  appearance: none;
}

.form-input:focus,
.form-input-focus,
.form-select:focus {
  border-color: var(--gold);
  box-shadow: 0 0 0 3px rgba(184,134,11,0.08);
}

/* Quote & Callout */
.callout-demo {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.brand-quote {
  border-left: 3px solid var(--gold);
  padding: 20px 24px;
  background: var(--parchment);
  font-family: var(--font-body);
  font-size: 16px;
  font-style: italic;
  font-weight: 300;
  color: var(--obsidian);
  line-height: 1.7;
  position: relative;
}

.quote-mark {
  font-size: 48px;
  line-height: 0;
  vertical-align: -18px;
  color: var(--gold);
  font-family: var(--font-body);
  margin-right: 4px;
  opacity: 0.6;
}

.brand-quote cite {
  display: block;
  margin-top: 12px;
  font-family: var(--font-display);
  font-size: 11px;
  font-style: normal;
  font-weight: 500;
  letter-spacing: 0.1em;
  color: var(--graphite);
}

.callout-box {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  background: var(--obsidian);
  padding: 20px 24px;
}

.callout-icon {
  color: var(--gold);
  font-size: 16px;
  flex-shrink: 0;
  margin-top: 2px;
}

.callout-box p {
  font-family: var(--font-body);
  font-size: 14px;
  font-weight: 300;
  line-height: 1.7;
  color: rgba(250,250,250,0.75);
}

/* Dividers */
.dividers-demo {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.divider-solid {
  border: none;
  border-top: 1px solid var(--obsidian);
}

.divider-dashed {
  border: none;
  border-top: 1px dashed var(--silver);
}

.divider-gold-line {
  display: flex;
  align-items: center;
  gap: 16px;
  color: var(--gold);
  font-family: var(--font-display);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.2em;
}

.divider-gold-line::before,
.divider-gold-line::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--gold);
  opacity: 0.4;
}

.divider-dots {
  font-family: var(--font-display);
  font-size: 14px;
  letter-spacing: 0.2em;
  color: var(--silver);
  text-align: center;
}

/* ── FOOTER ── */
.footer {
  background: var(--obsidian);
  padding: 48px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-display);
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.18em;
  color: var(--ivory);
}

.footer-copy {
  font-family: var(--font-display);
  font-size: 12px;
  color: var(--graphite);
  letter-spacing: 0.06em;
}

.footer-link {
  font-family: var(--font-display);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.08em;
  color: var(--gold);
  text-decoration: none;
  transition: color var(--transition);
}

.footer-link:hover { color: var(--gold-light); }

/* ── ANIMATIONS ── */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(32px); }
  to   { opacity: 1; transform: translateY(0); }
}

.section { animation: fadeUp 0.7s ease both; }

.fade-observe {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

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

.nav.scrolled {
  box-shadow: 0 1px 24px rgba(0,0,0,0.07);
}

.nav-links a.active {
  color: var(--gold);
}

/* ── RESPONSIVE ── */
@media (max-width: 900px) {
  .nav { padding: 0 24px; }
  .nav-links { gap: 20px; }
  .hero { padding: 100px 24px 60px; }
  .section { padding: 72px 24px; }
  .section-alt .section-header,
  .section-alt .color-system,
  .section-alt .color-usage,
  .section-alt .components-grid { padding-left: 24px; padding-right: 24px; }
  .logo-grid { grid-template-columns: 1fr 1fr; }
  .color-primary-row { grid-template-columns: 1fr; }
  .color-secondary-row { grid-template-columns: repeat(3, 1fr); }
  .type-families { grid-template-columns: 1fr; }
  .components-grid { grid-template-columns: 1fr; }
  .cards-row { grid-template-columns: 1fr; }
  .pairing-card { padding: 40px 28px; }
  .footer { padding: 32px 24px; flex-direction: column; align-items: flex-start; }
}

@media (max-width: 600px) {
  .logo-grid { grid-template-columns: 1fr; }
  .scale-row { grid-template-columns: 1fr; gap: 8px; }
  .color-secondary-row { grid-template-columns: 1fr 1fr; }
  .nav-links { display: none; }
}