/* ===== MAEUM.IO Global Styles ===== */

:root {
  /* Colors */
  --color-bg: #0a0a0f;
  --color-bg-secondary: #12121a;
  --color-bg-card: #1a1a24;
  --color-text: #ffffff;
  --color-text-secondary: #a0a0b0;
  --color-text-muted: #6a6a7a;
  --color-border: #2a2a3a;

  /* Accent Colors per Ecosystem */
  --color-edge: #00d4aa;
  --color-saas: #6366f1;
  --color-browser: #f59e0b;
  --color-mobile: #ec4899;
  --color-core: #3b82f6;

  /* Typography */
  --font-main: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', monospace;

  /* Spacing */
  --section-padding: 100px 0;
  --container-width: 1200px;

  /* Transitions */
  --transition-fast: 0.2s ease;
  --transition-normal: 0.3s ease;
}

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

html {
  scroll-behavior: smooth;
}

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

a {
  color: inherit;
  text-decoration: none;
}

ul, ol {
  list-style: none;
}

img {
  max-width: 100%;
  height: auto;
}

/* Container */
.container {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 24px;
}

/* ===== Navigation ===== */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 20px 0;
  background: rgba(10, 10, 15, 0.8);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--color-border);
}

.nav-container {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.nav-logo {
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.nav-logo span {
  opacity: 0.5;
}

.nav-links {
  display: flex;
  gap: 8px;
}

.nav-link {
  padding: 8px 16px;
  border-radius: 8px;
  font-size: 0.9rem;
  color: var(--color-text-secondary);
  transition: var(--transition-fast);
}

.nav-link:hover {
  color: var(--color-text);
  background: var(--color-bg-card);
}

.lang-toggle {
  display: flex;
  gap: 4px;
  padding: 4px;
  background: var(--color-bg-secondary);
  border-radius: 8px;
}

.lang-btn {
  padding: 6px 12px;
  border: none;
  border-radius: 6px;
  background: transparent;
  color: var(--color-text-secondary);
  font-size: 0.85rem;
  cursor: pointer;
  transition: var(--transition-fast);
}

.lang-btn.active {
  background: var(--color-bg-card);
  color: var(--color-text);
}

/* ===== Hero Section ===== */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 120px 24px 80px;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 800px;
  height: 800px;
  background: radial-gradient(circle, var(--accent-color) 0%, transparent 70%);
  opacity: 0.1;
  pointer-events: none;
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 900px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: 100px;
  font-size: 0.85rem;
  color: var(--color-text-secondary);
  margin-bottom: 32px;
}

.hero-badge-dot {
  width: 8px;
  height: 8px;
  background: var(--accent-color);
  border-radius: 50%;
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}

.hero-title {
  font-size: clamp(2.5rem, 6vw, 4.5rem);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.03em;
  margin-bottom: 24px;
}

.hero-title-accent {
  background: linear-gradient(135deg, var(--accent-color), var(--accent-color-light, var(--accent-color)));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-description {
  font-size: 1.25rem;
  color: var(--color-text-secondary);
  max-width: 700px;
  margin: 0 auto 48px;
  line-height: 1.7;
}

.hero-cta {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

/* ===== Buttons ===== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: 12px;
  font-size: 1rem;
  font-weight: 500;
  cursor: pointer;
  transition: var(--transition-normal);
  border: none;
}

.btn-primary {
  background: var(--accent-color);
  color: var(--color-bg);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(var(--accent-color-rgb, 0, 212, 170), 0.3);
}

.btn-secondary {
  background: var(--color-bg-card);
  color: var(--color-text);
  border: 1px solid var(--color-border);
}

.btn-secondary:hover {
  background: var(--color-bg-secondary);
  border-color: var(--accent-color);
}

/* ===== Section Styles ===== */
.section {
  padding: var(--section-padding);
}

.section-header {
  text-align: center;
  max-width: 700px;
  margin: 0 auto 64px;
}

.section-label {
  display: inline-block;
  padding: 6px 14px;
  background: rgba(var(--accent-color-rgb, 0, 212, 170), 0.1);
  border: 1px solid rgba(var(--accent-color-rgb, 0, 212, 170), 0.2);
  border-radius: 100px;
  font-size: 0.85rem;
  color: var(--accent-color);
  margin-bottom: 20px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.section-title {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 16px;
}

.section-description {
  font-size: 1.1rem;
  color: var(--color-text-secondary);
  line-height: 1.7;
}

/* ===== Feature Grid ===== */
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 24px;
}

.feature-card {
  padding: 32px;
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: 16px;
  transition: var(--transition-normal);
}

.feature-card:hover {
  transform: translateY(-4px);
  border-color: var(--accent-color);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

.feature-icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(var(--accent-color-rgb, 0, 212, 170), 0.1);
  border-radius: 12px;
  margin-bottom: 20px;
  font-size: 1.5rem;
}

.feature-title {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 12px;
}

.feature-description {
  color: var(--color-text-secondary);
  line-height: 1.6;
}

/* ===== Use Cases ===== */
.use-cases {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 20px;
}

.use-case-item {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  padding: 24px;
  background: var(--color-bg-secondary);
  border-radius: 12px;
  border: 1px solid var(--color-border);
}

.use-case-icon {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-bg-card);
  border-radius: 10px;
  flex-shrink: 0;
}

.use-case-content h4 {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 6px;
}

.use-case-content p {
  font-size: 0.9rem;
  color: var(--color-text-secondary);
}

/* ===== Scenarios ===== */
.scenarios-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
  max-width: 800px;
  margin: 0 auto;
}

.scenario-item {
  display: flex;
  align-items: center;
  gap: 20px;
  padding: 24px 32px;
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: 12px;
  transition: var(--transition-fast);
}

.scenario-item:hover {
  border-color: var(--accent-color);
}

.scenario-number {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--accent-color);
  opacity: 0.5;
}

.scenario-content h4 {
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 4px;
}

.scenario-content p {
  color: var(--color-text-secondary);
  font-size: 0.95rem;
}

/* ===== CTA Section ===== */
.cta-section {
  padding: 100px 24px;
  text-align: center;
  position: relative;
}

.cta-section::before {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 600px;
  height: 400px;
  background: radial-gradient(circle, var(--accent-color) 0%, transparent 70%);
  opacity: 0.08;
  pointer-events: none;
}

.cta-content {
  position: relative;
  z-index: 1;
  max-width: 600px;
  margin: 0 auto;
}

.cta-title {
  font-size: clamp(1.75rem, 3vw, 2.5rem);
  font-weight: 700;
  margin-bottom: 16px;
}

.cta-description {
  color: var(--color-text-secondary);
  font-size: 1.1rem;
  margin-bottom: 32px;
}

/* ===== Footer ===== */
.footer {
  padding: 48px 24px;
  border-top: 1px solid var(--color-border);
  text-align: center;
}

.footer-content {
  max-width: var(--container-width);
  margin: 0 auto;
}

.footer-logo {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 16px;
}

.footer-text {
  color: var(--color-text-muted);
  font-size: 0.9rem;
}

/* ===== Code Block ===== */
.code-block {
  background: var(--color-bg-secondary);
  border: 1px solid var(--color-border);
  border-radius: 12px;
  overflow: hidden;
  margin: 32px 0;
}

.code-header {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 12px 16px;
  background: var(--color-bg-card);
  border-bottom: 1px solid var(--color-border);
}

.code-dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
}

.code-dot.red { background: #ff5f56; }
.code-dot.yellow { background: #ffbd2e; }
.code-dot.green { background: #27ca40; }

.code-content {
  padding: 20px;
  font-family: var(--font-mono);
  font-size: 0.9rem;
  line-height: 1.8;
  overflow-x: auto;
}

.code-content .comment {
  color: var(--color-text-muted);
}

.code-content .keyword {
  color: var(--accent-color);
}

.code-content .string {
  color: #a5d6ff;
}

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

  .hero {
    padding: 100px 20px 60px;
  }

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

  .btn {
    width: 100%;
    max-width: 300px;
    justify-content: center;
  }

  .section {
    padding: 60px 0;
  }

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

  .scenario-item {
    flex-direction: column;
    text-align: center;
  }
}

/* ===== Animations ===== */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.animate-in {
  animation: fadeInUp 0.6s ease forwards;
}

/* ===== Accent Color Overrides ===== */
.theme-edge {
  --accent-color: #00d4aa;
  --accent-color-rgb: 0, 212, 170;
}

.theme-saas {
  --accent-color: #6366f1;
  --accent-color-rgb: 99, 102, 241;
}

.theme-browser {
  --accent-color: #f59e0b;
  --accent-color-rgb: 245, 158, 11;
}

.theme-mobile {
  --accent-color: #ec4899;
  --accent-color-rgb: 236, 72, 153;
}

.theme-core {
  --accent-color: #3b82f6;
  --accent-color-rgb: 59, 130, 246;
}