/* ==========================================================================
   ZEITGEIST VENTURES — Components
   Naming: .component-subcomponent-state
   ========================================================================== */

/* ==========================================================================
   Header
   ========================================================================== */

.header {
  position: sticky;
  top: 0;
  z-index: 999;
  height: var(--header-height);
  background-color: rgba(250, 250, 250, 0.85);
  backdrop-filter: blur(var(--blur-md));
  -webkit-backdrop-filter: blur(var(--blur-md));
  border-bottom: 1px solid var(--color-border);
  transition: background-color var(--transition-base), border-color var(--transition-base);
}

[data-theme="dark"] .header {
  background-color: rgba(10, 10, 10, 0.85);
}

.header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.header-logo {
  display: flex;
  align-items: center;
  flex-shrink: 0;
}

.header-logo svg {
  height: 20px;
  width: auto;
  color: var(--color-text-primary);
  transition: color var(--transition-fast);
}

.header-logo:hover svg {
  color: var(--color-accent);
}

.header-nav {
  display: flex;
  align-items: center;
  gap: var(--space-8);
}

.header-nav a {
  font-size: var(--text-xs);
  font-weight: var(--font-weight-bold);
  text-transform: uppercase;
  letter-spacing: var(--tracking-widest);
  color: var(--color-text-secondary);
  text-decoration: none;
  padding: var(--space-2) 0;
  position: relative;
  transition: color var(--transition-fast);
}

.header-nav a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--color-accent);
  transition: width var(--transition-base);
}

.header-nav a:hover {
  color: var(--color-text-primary);
}

.header-nav a:hover::after {
  width: 100%;
}

.header-nav a.active {
  color: var(--color-accent);
}

.header-nav a.active::after {
  width: 100%;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: var(--space-4);
}

.header-theme-toggle {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
  color: var(--color-text-secondary);
  transition: color var(--transition-fast), background-color var(--transition-fast);
}

.header-theme-toggle:hover {
  color: var(--color-text-primary);
  background-color: var(--color-bg-muted);
}

.header-theme-toggle .icon-sun {
  display: none;
}

.header-theme-toggle .icon-moon {
  display: block;
}

[data-theme="dark"] .header-theme-toggle .icon-sun {
  display: block;
}

[data-theme="dark"] .header-theme-toggle .icon-moon {
  display: none;
}

.header-mobile-btn {
  display: none;
  width: 36px;
  height: 36px;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 5px;
}

.header-mobile-btn span {
  display: block;
  width: 20px;
  height: 2px;
  background-color: var(--color-text-primary);
  transition: transform var(--transition-fast), opacity var(--transition-fast);
}

.header-mobile-btn.active span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.header-mobile-btn.active span:nth-child(2) {
  opacity: 0;
}

.header-mobile-btn.active span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

.header-mobile-menu {
  display: none;
  position: fixed;
  top: var(--header-height);
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 998;
  background-color: var(--color-bg);
  padding: var(--space-10) var(--grid-margin);
  flex-direction: column;
  gap: var(--space-6);
}

.header-mobile-menu.active {
  display: flex;
}

.header-mobile-menu a {
  font-family: var(--font-heading);
  font-size: var(--text-3xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-text-primary);
  padding: var(--space-3) 0;
  border-bottom: 1px solid var(--color-border);
  transition: color var(--transition-fast);
}

.header-mobile-menu a:hover,
.header-mobile-menu a.active {
  color: var(--color-accent);
}

/* ==========================================================================
   Hero
   ========================================================================== */

.hero {
  min-height: 70vh;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
  padding: var(--space-24) 0;
}

.hero::before {
  content: '';
  position: absolute;
  top: -20%;
  right: -10%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(255, 77, 0, 0.06) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
}

.hero::after {
  content: '';
  position: absolute;
  bottom: -30%;
  left: -15%;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(255, 77, 0, 0.04) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 800px;
  text-align: center;
}

.hero-eyebrow {
  font-size: var(--text-xs);
  font-weight: var(--font-weight-bold);
  text-transform: uppercase;
  letter-spacing: var(--tracking-widest);
  color: var(--color-accent);
  margin-bottom: var(--space-6);
}

.hero-title {
  font-family: var(--font-heading);
  font-size: var(--text-6xl);
  font-weight: var(--font-weight-extrabold);
  line-height: var(--leading-none);
  letter-spacing: var(--tracking-tighter);
  color: var(--color-text-primary);
  margin-bottom: var(--space-6);
}

.hero-subtitle {
  font-size: var(--text-xl);
  color: var(--color-text-secondary);
  line-height: var(--leading-relaxed);
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
  margin-bottom: var(--space-10);
}

.hero-cta {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-4);
}

/* ==========================================================================
   Buttons
   ========================================================================== */

.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-4) var(--space-8);
  background-color: var(--color-text-primary);
  color: var(--color-text-inverted);
  border: 2px solid var(--color-text-primary);
  font-size: var(--text-xs);
  font-weight: var(--font-weight-bold);
  text-transform: uppercase;
  letter-spacing: var(--tracking-widest);
  text-decoration: none;
  transition: background-color var(--transition-fast), color var(--transition-fast), border-color var(--transition-fast);
}

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

.btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-4) var(--space-8);
  background-color: transparent;
  color: var(--color-text-primary);
  border: 2px solid var(--color-border-strong);
  font-size: var(--text-xs);
  font-weight: var(--font-weight-bold);
  text-transform: uppercase;
  letter-spacing: var(--tracking-widest);
  text-decoration: none;
  transition: background-color var(--transition-fast), color var(--transition-fast);
}

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

.btn-ghost {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-2) 0;
  background: none;
  border: none;
  color: var(--color-accent);
  font-size: var(--text-sm);
  font-weight: var(--font-weight-semibold);
  text-decoration: none;
  transition: color var(--transition-fast);
}

.btn-ghost:hover {
  text-decoration: underline;
  text-underline-offset: 4px;
}

/* ==========================================================================
   Sections
   ========================================================================== */

.section {
  padding: var(--space-24) 0;
}

.section.bg-muted {
  background-color: var(--color-bg-muted);
}

.section-header {
  margin-bottom: var(--space-12);
}

.section-eyebrow {
  font-size: var(--text-xs);
  font-weight: var(--font-weight-bold);
  text-transform: uppercase;
  letter-spacing: var(--tracking-widest);
  color: var(--color-text-tertiary);
  margin-bottom: var(--space-3);
}

.section-title {
  font-family: var(--font-heading);
  font-size: var(--text-4xl);
  font-weight: var(--font-weight-extrabold);
  line-height: var(--leading-tight);
  letter-spacing: var(--tracking-tight);
  color: var(--color-text-primary);
}

.section-subtitle {
  font-size: var(--text-lg);
  color: var(--color-text-secondary);
  line-height: var(--leading-relaxed);
  margin-top: var(--space-4);
  max-width: 640px;
}

/* ==========================================================================
   Venture Cards (Portfolio)
   ========================================================================== */

.ventures-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
}

.venture-card {
  display: flex;
  flex-direction: column;
  border: 1px solid var(--color-border);
  padding: var(--space-8);
  background-color: var(--color-bg);
  transition: box-shadow var(--transition-base), transform var(--transition-base), border-color var(--transition-base);
}

.venture-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-2px);
  border-color: var(--color-border-strong);
}

.venture-card-image {
  aspect-ratio: 16 / 9;
  background-color: var(--color-bg-muted);
  margin-bottom: var(--space-6);
  overflow: hidden;
}

.venture-card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.venture-card-category {
  font-size: var(--text-xs);
  font-weight: var(--font-weight-bold);
  text-transform: uppercase;
  letter-spacing: var(--tracking-widest);
  color: var(--color-accent);
  margin-bottom: var(--space-2);
}

.venture-card-title {
  font-family: var(--font-heading);
  font-size: var(--text-xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-text-primary);
  margin-bottom: var(--space-2);
}

.venture-card-tagline {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  line-height: var(--leading-relaxed);
  margin-bottom: var(--space-4);
  flex: 1;
}

.venture-card-status {
  display: inline-block;
  font-size: var(--text-xs);
  font-weight: var(--font-weight-semibold);
  text-transform: uppercase;
  letter-spacing: var(--tracking-wide);
  background-color: var(--color-bg-muted);
  color: var(--color-text-secondary);
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-full);
  align-self: flex-start;
}

.venture-card-status.active {
  background-color: rgba(255, 77, 0, 0.1);
  color: var(--color-accent);
}

/* ==========================================================================
   Team Cards
   ========================================================================== */

.team-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
}

.team-card {
  text-align: center;
  padding: var(--space-8);
}

.team-card-photo {
  width: 160px;
  height: 160px;
  background-color: var(--color-bg-muted);
  border-radius: var(--radius-full);
  margin: 0 auto var(--space-4);
  overflow: hidden;
}

.team-card-photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.team-card-name {
  font-family: var(--font-heading);
  font-size: var(--text-lg);
  font-weight: var(--font-weight-bold);
  color: var(--color-text-primary);
  margin-bottom: var(--space-1);
}

.team-card-role {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
}

.team-card-links {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-3);
  margin-top: var(--space-3);
}

.team-card-links a {
  color: var(--color-text-tertiary);
  transition: color var(--transition-fast);
}

.team-card-links a:hover {
  color: var(--color-accent);
}

.team-card-links a svg {
  width: 18px;
  height: 18px;
}

/* ==========================================================================
   Values Grid (Home Page)
   ========================================================================== */

.values-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
}

.value-card {
  padding: var(--space-8);
  border-left: 3px solid var(--color-accent);
}

.value-card-title {
  font-family: var(--font-heading);
  font-size: var(--text-lg);
  font-weight: var(--font-weight-bold);
  color: var(--color-text-primary);
  margin-bottom: var(--space-2);
}

.value-card-desc {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  line-height: var(--leading-relaxed);
}

/* ==========================================================================
   Footer
   ========================================================================== */

.footer {
  background-color: var(--color-text-primary);
  color: var(--color-text-inverted);
  padding: var(--space-16) 0 var(--space-8);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: var(--space-10);
}

.footer-brand {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.footer-brand svg {
  height: 18px;
  width: auto;
  color: var(--color-text-inverted);
}

.footer-brand p {
  font-size: var(--text-sm);
  line-height: var(--leading-relaxed);
  opacity: 0.6;
  max-width: 280px;
}

.footer-col h4 {
  font-size: var(--text-xs);
  font-weight: var(--font-weight-bold);
  text-transform: uppercase;
  letter-spacing: var(--tracking-widest);
  opacity: 0.4;
  margin-bottom: var(--space-4);
}

.footer-col ul {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.footer-col a {
  font-size: var(--text-sm);
  opacity: 0.7;
  transition: opacity var(--transition-fast), color var(--transition-fast);
}

.footer-col a:hover {
  opacity: 1;
  color: var(--color-accent);
}

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: var(--space-8);
  margin-top: var(--space-16);
  font-size: var(--text-xs);
  opacity: 0.4;
}

.footer-bottom a {
  opacity: 1;
  transition: color var(--transition-fast);
}

.footer-bottom a:hover {
  color: var(--color-accent);
}

/* ==========================================================================
   Contact
   ========================================================================== */

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-12);
}

.contact-info {
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
}

.contact-item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-4);
}

.contact-item svg {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
  color: var(--color-accent);
  margin-top: 2px;
}

.contact-item-label {
  font-size: var(--text-xs);
  font-weight: var(--font-weight-bold);
  text-transform: uppercase;
  letter-spacing: var(--tracking-widest);
  color: var(--color-text-tertiary);
  margin-bottom: var(--space-1);
}

.contact-item-value {
  font-size: var(--text-base);
  color: var(--color-text-primary);
  line-height: var(--leading-relaxed);
}

.contact-item-value a {
  color: var(--color-accent);
  transition: color var(--transition-fast);
}

.contact-item-value a:hover {
  color: var(--color-accent-hover);
  text-decoration: underline;
  text-underline-offset: 4px;
}

.contact-map {
  aspect-ratio: 16 / 9;
  background-color: var(--color-bg-muted);
  border: 1px solid var(--color-border);
  overflow: hidden;
}

.contact-map iframe {
  width: 100%;
  height: 100%;
  border: 0;
}

/* ==========================================================================
   Legal Content (Imprint, Privacy)
   ========================================================================== */

.legal-content {
  max-width: 720px;
  margin: 0 auto;
  padding: var(--space-12) 0;
}

.legal-content h1 {
  font-family: var(--font-heading);
  font-size: var(--text-4xl);
  font-weight: var(--font-weight-extrabold);
  line-height: var(--leading-tight);
  letter-spacing: var(--tracking-tight);
  margin-bottom: var(--space-10);
}

.legal-content h2 {
  font-family: var(--font-heading);
  font-size: var(--text-2xl);
  font-weight: var(--font-weight-bold);
  line-height: var(--leading-snug);
  margin-top: var(--space-12);
  margin-bottom: var(--space-4);
}

.legal-content h3 {
  font-family: var(--font-heading);
  font-size: var(--text-lg);
  font-weight: var(--font-weight-semibold);
  line-height: var(--leading-snug);
  margin-top: var(--space-8);
  margin-bottom: var(--space-3);
}

.legal-content p {
  font-size: var(--text-base);
  color: var(--color-text-secondary);
  line-height: var(--leading-loose);
  margin-bottom: var(--space-4);
}

.legal-content ul,
.legal-content ol {
  margin-bottom: var(--space-4);
  padding-left: var(--space-6);
}

.legal-content ul {
  list-style-type: disc;
}

.legal-content ol {
  list-style-type: decimal;
}

.legal-content li {
  font-size: var(--text-base);
  color: var(--color-text-secondary);
  line-height: var(--leading-loose);
  margin-bottom: var(--space-2);
}

.legal-content a {
  color: var(--color-accent);
  text-decoration: underline;
  text-underline-offset: 4px;
  transition: color var(--transition-fast);
}

.legal-content a:hover {
  color: var(--color-accent-hover);
}

.legal-content strong {
  color: var(--color-text-primary);
  font-weight: var(--font-weight-semibold);
}

/* ==========================================================================
   Responsive — 1200px
   ========================================================================== */

@media (max-width: 1200px) {
  :root {
    --grid-margin: 32px;
  }

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

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

  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-8);
  }
}

/* ==========================================================================
   Responsive — 768px
   ========================================================================== */

@media (max-width: 768px) {
  :root {
    --grid-margin: 16px;
    --text-6xl: 48px;
    --text-5xl: 40px;
    --text-4xl: 32px;
    --text-3xl: 24px;
  }

  .header-nav {
    display: none;
  }

  .header-mobile-btn {
    display: flex;
  }

  .hero {
    min-height: 50vh;
    padding: var(--space-16) 0;
  }

  .hero-title {
    font-size: var(--text-5xl);
  }

  .hero-subtitle {
    font-size: var(--text-lg);
  }

  .hero-cta {
    flex-direction: column;
  }

  .section {
    padding: var(--space-16) 0;
  }

  .ventures-grid,
  .values-grid,
  .team-grid {
    grid-template-columns: 1fr;
  }

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

  .footer-grid {
    grid-template-columns: 1fr;
    gap: var(--space-8);
  }

  .footer-bottom {
    flex-direction: column;
    gap: var(--space-3);
    text-align: center;
  }
}

/* ==========================================================================
   Responsive — 480px
   ========================================================================== */

@media (max-width: 480px) {
  :root {
    --grid-margin: 12px;
    --text-6xl: 36px;
    --text-5xl: 32px;
    --text-4xl: 28px;
  }

  .hero {
    min-height: 40vh;
    padding: var(--space-12) 0;
  }

  .venture-card,
  .value-card {
    padding: var(--space-6);
  }

  .team-card-photo {
    width: 120px;
    height: 120px;
  }

  .section {
    padding: var(--space-12) 0;
  }

  .section-header {
    margin-bottom: var(--space-8);
  }

  .btn-primary,
  .btn-secondary {
    width: 100%;
    text-align: center;
  }
}