/* LAIRM Design System - CSS Variables */
:root {
  /* Background */
  --background-primary: #f5f0e8;
  --background-secondary: #ffffff;
  --background-tertiary: #e8dfd0;

  /* Accent - Gold/Blue palette */
  --accent-gold: #c9a962;
  --accent-blue: #1a2332;
  --accent-blue-dark: #0d1520;
  --accent-beige: #d4c4a8;

  /* Text */
  --text-primary: #0a0a0f;
  --text-secondary: #4a4a5a;
  --text-muted: #6b6b7b;

  /* Border */
  --border-default: rgba(201, 169, 98, 0.2);
  --border-hover: rgba(201, 169, 98, 0.6);

  /* Fonts */
  --font-display: 'Playfair Display', Georgia, serif;
  --font-body: 'Inter', system-ui, sans-serif;

  /* Spacing */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-24: 6rem;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-body);
  background-color: var(--background-primary);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
}

/* Navigation */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border-default);
  z-index: 1000;
  transition: all 0.3s ease;
}

.navbar.scrolled {
  box-shadow: 0 2px 20px rgba(0, 0, 0, 0.1);
}

.nav-container {
  max-width: 1280px;
  margin: 0 auto;
  padding: var(--space-4) var(--space-6);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.nav-logo {
  display: flex;
  flex-direction: column;
}

.logo-main {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--accent-blue);
  letter-spacing: 0.5px;
}

.logo-tagline {
  font-size: 0.875rem;
  color: var(--accent-gold);
  font-weight: 500;
}

.nav-menu {
  display: flex;
  list-style: none;
  gap: var(--space-8);
}

.nav-link {
  text-decoration: none;
  color: var(--text-secondary);
  font-weight: 500;
  transition: color 0.3s ease;
  position: relative;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--accent-gold);
  transition: width 0.3s ease;
}

.nav-link:hover {
  color: var(--accent-gold);
}

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

/* Hero Section */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: var(--space-24) var(--space-6);
  background: linear-gradient(135deg, var(--accent-blue) 0%, var(--accent-blue-dark) 100%);
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: 
    radial-gradient(circle at 20% 50%, rgba(201, 169, 98, 0.1) 0%, transparent 50%),
    radial-gradient(circle at 80% 50%, rgba(201, 169, 98, 0.08) 0%, transparent 50%);
  pointer-events: none;
}

.hero::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-image: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grid" width="10" height="10" patternUnits="userSpaceOnUse"><path d="M 10 0 L 0 0 0 10" fill="none" stroke="rgba(201,169,98,0.05)" stroke-width="0.5"/></pattern></defs><rect width="100" height="100" fill="url(%23grid)"/></svg>');
  opacity: 0.3;
  pointer-events: none;
}

.hero-content {
  max-width: 900px;
  animation: fadeIn 1s ease-out;
  position: relative;
  z-index: 2;
  padding: var(--space-16) var(--space-8);
}

.hero-badge {
  display: inline-block;
  padding: var(--space-2) var(--space-6);
  background: rgba(201, 169, 98, 0.15);
  border: 1px solid var(--accent-gold);
  border-radius: 2rem;
  color: var(--accent-gold);
  font-size: 0.875rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: var(--space-6);
  animation: slideUp 0.8s ease-out;
}

.hero-title {
  font-family: var(--font-display);
  font-size: clamp(3rem, 10vw, 6rem);
  font-weight: 800;
  color: white;
  margin-bottom: var(--space-4);
  animation: slideUp 0.8s ease-out 0.1s both;
  letter-spacing: -0.02em;
  line-height: 1.1;
}

.hero-divider {
  width: 80px;
  height: 3px;
  background: linear-gradient(90deg, var(--accent-gold), var(--accent-beige));
  margin: 0 auto var(--space-6);
  animation: slideUp 0.8s ease-out 0.2s both;
  border-radius: 2px;
}

.hero-subtitle {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 4vw, 2.5rem);
  color: var(--accent-gold);
  margin-bottom: var(--space-6);
  animation: slideUp 0.8s ease-out 0.3s both;
  font-weight: 600;
  letter-spacing: 0.02em;
}

.hero-description {
  font-size: clamp(1rem, 2vw, 1.25rem);
  color: rgba(255, 255, 255, 0.85);
  margin-bottom: var(--space-8);
  line-height: 1.8;
  animation: slideUp 0.8s ease-out 0.4s both;
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
}

.hero-period {
  display: block;
  margin-top: var(--space-3);
  font-weight: 600;
  color: var(--accent-gold);
  font-size: 1.125rem;
  letter-spacing: 0.05em;
}

.hero-stats {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: var(--space-6);
  margin-bottom: var(--space-10);
  animation: slideUp 0.8s ease-out 0.5s both;
  flex-wrap: wrap;
}

.stat-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-1);
}

.stat-number {
  font-family: var(--font-display);
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--accent-gold);
  line-height: 1;
}

.stat-label {
  font-size: 0.875rem;
  color: rgba(255, 255, 255, 0.7);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-weight: 500;
}

.stat-divider {
  width: 1px;
  height: 40px;
  background: rgba(201, 169, 98, 0.3);
}

.hero-cta {
  display: flex;
  gap: var(--space-4);
  justify-content: center;
  flex-wrap: wrap;
  animation: slideUp 0.8s ease-out 0.6s both;
}

/* Buttons */
.btn {
  padding: var(--space-4) var(--space-8);
  font-size: 1rem;
  font-weight: 600;
  text-decoration: none;
  border-radius: 0.5rem;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  display: inline-block;
  cursor: pointer;
  border: 2px solid transparent;
  letter-spacing: 0.01em;
}

.btn-primary {
  background: var(--accent-gold);
  color: var(--accent-blue);
  border-color: var(--accent-gold);
}

.btn-primary:hover {
  background: transparent;
  color: var(--accent-gold);
  transform: translateY(-3px);
  box-shadow: 0 8px 20px rgba(201, 169, 98, 0.35);
}

.btn-secondary {
  background: transparent;
  color: white;
  border-color: rgba(255, 255, 255, 0.5);
}

.btn-secondary:hover {
  background: white;
  color: var(--accent-blue);
  border-color: white;
  transform: translateY(-3px);
  box-shadow: 0 8px 20px rgba(255, 255, 255, 0.25);
}

/* Sections */
.section {
  padding: var(--space-24) var(--space-6);
}

.section:nth-child(even) {
  background: var(--background-secondary);
}

.container {
  max-width: 1280px;
  margin: 0 auto;
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 5vw, 3rem);
  color: var(--accent-blue);
  text-align: center;
  margin-bottom: var(--space-6);
}

.section-intro {
  font-size: clamp(1rem, 2vw, 1.125rem);
  color: var(--text-secondary);
  text-align: center;
  max-width: 900px;
  margin: 0 auto var(--space-12);
  line-height: 1.8;
}

/* Vision Grid */
.vision-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--space-6);
  margin-top: var(--space-12);
}

.vision-card {
  padding: var(--space-8);
  background: var(--background-secondary);
  border: 2px solid var(--border-default);
  border-radius: 1rem;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.vision-card:hover {
  border-color: var(--accent-gold);
  transform: translateY(-6px);
  box-shadow: 0 12px 32px rgba(201, 169, 98, 0.18);
}

.vision-card h3 {
  font-family: var(--font-display);
  font-size: 1.5rem;
  color: var(--accent-gold);
  margin-bottom: var(--space-3);
}

.vision-card p {
  color: var(--text-secondary);
  line-height: 1.7;
}

/* Axioms Section */
.section-axioms {
  background: linear-gradient(135deg, rgba(245, 240, 232, 0.95) 0%, rgba(232, 223, 208, 0.95) 100%), 
              url('../images/axioms-background.jpeg') center/cover no-repeat;
  position: relative;
}

.section-axioms::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(135deg, rgba(245, 240, 232, 0.90) 0%, rgba(232, 223, 208, 0.90) 100%);
  z-index: 0;
}

.section-axioms .container {
  position: relative;
  z-index: 1;
}

.axioms-category {
  margin-bottom: var(--space-16);
}

.category-title {
  font-family: var(--font-display);
  font-size: 1.75rem;
  color: var(--accent-blue);
  margin-bottom: var(--space-8);
  text-align: center;
}

.axioms-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-6);
}

.axiom-card {
  perspective: 1000px;
  height: 220px;
  cursor: pointer;
}

.axiom-card-inner {
  position: relative;
  width: 100%;
  height: 100%;
  transition: transform 0.6s;
  transform-style: preserve-3d;
}

.axiom-card:hover .axiom-card-inner {
  transform: rotateY(180deg);
}

.axiom-card-front,
.axiom-card-back {
  position: absolute;
  width: 100%;
  height: 100%;
  backface-visibility: hidden;
  padding: var(--space-6);
  background: var(--background-secondary);
  border: 2px solid var(--border-default);
  border-radius: 1rem;
  text-align: center;
  display: flex;
  flex-direction: column;
  justify-content: center;
  transition: border-color 0.3s ease;
}

.axiom-card:hover .axiom-card-front,
.axiom-card:hover .axiom-card-back {
  border-color: var(--accent-gold);
  box-shadow: 0 8px 24px rgba(201, 169, 98, 0.15);
}

.axiom-card-back {
  transform: rotateY(180deg);
  background: var(--background-primary);
  color: var(--accent-blue);
  border: 2px solid var(--accent-gold);
}

.axiom-card-back .axiom-symbol {
  color: var(--accent-gold);
  font-size: 1.5rem;
  margin-bottom: var(--space-3);
}

.axiom-card-back p {
  color: var(--accent-blue);
  font-size: 0.875rem;
  line-height: 1.6;
}

.axiom-symbol {
  font-family: var(--font-display);
  font-size: 2rem;
  color: var(--accent-blue);
  font-weight: 700;
  margin-bottom: var(--space-2);
}

.axiom-name {
  font-family: var(--font-display);
  font-size: 1rem;
  color: var(--accent-gold);
  font-weight: 600;
  margin-bottom: var(--space-3);
  letter-spacing: 0.5px;
}

.axiom-card p {
  color: var(--text-secondary);
  font-size: 0.9rem;
  line-height: 1.6;
}

/* Framework Grid */
.framework-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: var(--space-6);
  margin-top: var(--space-12);
}

.framework-card {
  padding: var(--space-8);
  background: var(--background-tertiary);
  border: 2px solid var(--border-default);
  border-radius: 1rem;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
}

.framework-card:hover {
  border-color: var(--accent-gold);
  transform: translateY(-6px);
  box-shadow: 0 12px 32px rgba(201, 169, 98, 0.18);
}

.framework-icon {
  width: 48px;
  height: 48px;
  background: var(--accent-gold);
  color: white;
  border-radius: 0.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: var(--space-4);
}

.framework-card h3 {
  font-family: var(--font-display);
  font-size: 1.5rem;
  color: var(--accent-blue);
  margin-bottom: var(--space-4);
}

.framework-card p {
  color: var(--text-secondary);
  line-height: 1.7;
}

.framework-card strong {
  color: var(--accent-gold);
}

/* Waitlist Section */
.section-waitlist {
  background: linear-gradient(135deg, var(--background-tertiary) 0%, var(--background-primary) 100%);
}

/* Collaboration Section */
.section-collaboration {
  background: var(--background-secondary);
}

.collaboration-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--space-6);
  margin-top: var(--space-12);
}

.collab-card {
  padding: var(--space-6);
  background: var(--background-primary);
  border: 2px solid var(--border-default);
  border-radius: 1rem;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.collab-card:hover {
  border-color: var(--accent-gold);
  transform: translateY(-6px);
  box-shadow: 0 12px 32px rgba(201, 169, 98, 0.18);
}

.collab-card h3 {
  font-family: var(--font-display);
  font-size: 1.25rem;
  color: var(--accent-blue);
  margin-bottom: var(--space-3);
}

.collab-card p {
  color: var(--text-secondary);
  line-height: 1.7;
  font-size: 0.95rem;
}

.license-info {
  margin-top: var(--space-16);
  padding: var(--space-8);
  background: linear-gradient(135deg, var(--background-tertiary) 0%, var(--background-primary) 100%);
  border: 2px solid var(--accent-gold);
  border-radius: 1rem;
  text-align: center;
}

.license-info h3 {
  font-family: var(--font-display);
  font-size: 1.75rem;
  color: var(--accent-blue);
  margin-bottom: var(--space-4);
}

.license-info > p {
  color: var(--text-secondary);
  line-height: 1.8;
  max-width: 800px;
  margin: 0 auto var(--space-6);
  font-size: 1.05rem;
}

.license-info strong {
  color: var(--accent-gold);
  font-weight: 600;
}

.contribute-actions {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--space-4);
  margin: var(--space-8) 0;
}

.contribute-link {
  padding: var(--space-4);
  background: var(--background-secondary);
  border: 2px solid var(--border-default);
  border-radius: 0.75rem;
  text-decoration: none;
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  transition: all 0.3s ease;
}

.contribute-link:hover {
  border-color: var(--accent-gold);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(201, 169, 98, 0.2);
}

.contribute-link strong {
  font-family: var(--font-display);
  font-size: 1.1rem;
  color: var(--accent-blue);
}

.contribute-link span {
  color: var(--text-secondary);
  font-size: 0.875rem;
}

/* Contribution Invite - Simplified & Elegant */
.contribution-invite {
  margin-top: var(--space-16);
  padding: var(--space-8) var(--space-6);
  background: linear-gradient(135deg, rgba(245, 240, 232, 0.5) 0%, rgba(232, 223, 208, 0.5) 100%);
  border-top: 1px solid var(--accent-gold);
  border-bottom: 1px solid var(--accent-gold);
  text-align: center;
}

.invite-text {
  color: var(--text-primary);
  line-height: 1.9;
  max-width: 900px;
  margin: 0 auto var(--space-4);
  font-size: 1.05rem;
  font-weight: 400;
}

.inline-link {
  color: var(--accent-blue);
  text-decoration: none;
  font-weight: 600;
  border-bottom: 1px solid transparent;
  transition: all 0.3s ease;
  padding-bottom: 1px;
}

.inline-link:hover {
  color: var(--accent-gold);
  border-bottom-color: var(--accent-gold);
}

.license-note {
  margin-top: var(--space-6);
  padding-top: var(--space-4);
  border-top: 1px solid var(--border-default);
  color: var(--text-muted);
  font-size: 0.9rem;
}

.waitlist-cta {
  text-align: center;
  margin: var(--space-12) auto;
  max-width: 600px;
}

.btn-large {
  padding: var(--space-6) var(--space-12);
  font-size: 1.125rem;
  font-weight: 700;
}

.waitlist-note {
  margin-top: var(--space-4);
  color: var(--text-secondary);
  font-size: 0.9rem;
}

.cta-links {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--space-6);
  margin-top: var(--space-12);
}

.cta-link {
  padding: var(--space-6);
  background: var(--background-secondary);
  border: 2px solid var(--border-default);
  border-radius: 1rem;
  text-decoration: none;
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  transition: all 0.3s ease;
}

.cta-link:hover {
  border-color: var(--accent-gold);
  transform: translateY(-4px);
  box-shadow: 0 8px 24px rgba(201, 169, 98, 0.15);
}

.cta-link strong {
  font-family: var(--font-display);
  font-size: 1.25rem;
  color: var(--accent-blue);
}

.cta-link span {
  color: var(--text-secondary);
  font-size: 0.9rem;
}

/* Footer */
.footer {
  background: var(--accent-blue);
  color: white;
  padding: var(--space-16) var(--space-6) var(--space-8);
}

.footer-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--space-8);
  margin-bottom: var(--space-8);
}

.footer-section h4 {
  font-family: var(--font-display);
  color: var(--accent-gold);
  margin-bottom: var(--space-4);
}

.footer-section ul {
  list-style: none;
}

.footer-section a {
  color: rgba(255, 255, 255, 0.8);
  text-decoration: none;
  transition: color 0.3s ease;
}

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

.footer-bottom {
  text-align: center;
  padding-top: var(--space-6);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  color: rgba(255, 255, 255, 0.7);
  font-size: 0.875rem;
}

/* Animations */
@keyframes fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

@keyframes slideUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Scroll Animations */
.scroll-animate {
  opacity: 0;
  transform: translateY(30px);
  transition: all 0.6s ease-out;
}

.scroll-animate.visible {
  opacity: 1;
  transform: translateY(0);
}

/* Responsive */
@media (max-width: 768px) {
  .nav-menu {
    display: none;
  }

  .hero {
    padding: var(--space-16) var(--space-4);
  }

  .hero-content {
    padding: var(--space-12) var(--space-6);
  }

  .hero-stats {
    gap: var(--space-4);
  }

  .stat-divider {
    display: none;
  }

  .stat-number {
    font-size: 2rem;
  }

  .section {
    padding: var(--space-16) var(--space-4);
  }

  .vision-grid,
  .axioms-grid,
  .framework-grid {
    grid-template-columns: 1fr;
  }

  .waitlist-form form {
    flex-direction: column;
  }

  .waitlist-form input {
    min-width: 100%;
  }
}

@media (max-width: 480px) {
  .hero-title {
    font-size: 2.5rem;
  }

  .hero-subtitle {
    font-size: 1.25rem;
  }

  .hero-badge {
    font-size: 0.75rem;
    padding: var(--space-1) var(--space-4);
  }

  .section-title {
    font-size: 1.75rem;
  }

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

  .btn {
    width: 100%;
    max-width: 280px;
    text-align: center;
  }
}