@import url('https://fonts.googleapis.com/css2?family=Noto+Sans+SC:wght@300;400;700;900&display=swap');

:root {
  --bg-primary: #0b0c10;
  --bg-secondary: #1a1d23;
  --text-primary: #f4f4f9;
  --text-secondary: #b0b3c5;
  --accent-1: #ff6b6b;
  --accent-2: #4ecdc4;
  --accent-3: #ffe66d;
  --gradient-1: linear-gradient(135deg, #ff6b6b 0%, #4ecdc4 100%);
  --gradient-2: linear-gradient(135deg, #ffe66d 0%, #ff6b6b 100%);
  --glass-bg: rgba(255, 255, 255, 0.05);
  --glass-border: rgba(255, 255, 255, 0.1);
  --shadow-glow: 0 0 40px rgba(255, 107, 107, 0.3);
  --font-display: 'Noto Sans SC', sans-serif;
  --spacing-unit: 8px;
  --radius-sm: 8px;
  --radius-md: 16px;
  --radius-lg: 32px;
}

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

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

/* ===== Container ===== */
.container {
  max-width: 1440px;
  margin: 0 auto;
  padding: 0 calc(var(--spacing-unit) * 3);
  position: relative;
}

/* ===== Site Header ===== */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(11, 12, 16, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--glass-border);
  transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.site-header.scrolled {
  background: rgba(11, 12, 16, 0.95);
  box-shadow: 0 4px 30px rgba(0, 0, 0, 0.5);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 80px;
  padding: 0 calc(var(--spacing-unit) * 3);
  max-width: 1440px;
  margin: 0 auto;
}

.logo {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  font-size: 28px;
  font-weight: 900;
  color: var(--text-primary);
  letter-spacing: -1px;
  transition: transform 0.3s ease;
}

.logo:hover {
  transform: scale(1.02);
}

.logo::before {
  content: '◈';
  font-size: 36px;
  background: var(--gradient-1);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: calc(var(--spacing-unit) * 4);
}

.main-nav a {
  text-decoration: none;
  color: var(--text-secondary);
  font-size: 15px;
  font-weight: 400;
  letter-spacing: 0.5px;
  position: relative;
  padding: 4px 0;
  transition: color 0.3s ease;
}

.main-nav a::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--gradient-1);
  transition: width 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

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

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

.nav-cta {
  background: var(--gradient-1);
  color: var(--bg-primary) !important;
  padding: 10px 28px !important;
  border-radius: 50px;
  font-weight: 700 !important;
  letter-spacing: 0.5px;
  transition: all 0.3s ease !important;
  box-shadow: 0 4px 15px rgba(255, 107, 107, 0.3);
}

.nav-cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(255, 107, 107, 0.5);
  color: var(--bg-primary) !important;
}

.nav-cta::after {
  display: none !important;
}

.menu-toggle {
  display: none;
  flex-direction: column;
  gap: 6px;
  cursor: pointer;
  padding: 8px;
  background: none;
  border: none;
}

.menu-toggle span {
  width: 28px;
  height: 2px;
  background: var(--text-primary);
  border-radius: 2px;
  transition: all 0.3s ease;
}

.menu-toggle.active span:nth-child(1) {
  transform: rotate(45deg) translate(6px, 6px);
}

.menu-toggle.active span:nth-child(2) {
  opacity: 0;
}

.menu-toggle.active span:nth-child(3) {
  transform: rotate(-45deg) translate(6px, -6px);
}

/* ===== Hero Section ===== */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  padding: 120px 0 80px;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -30%;
  width: 800px;
  height: 800px;
  background: radial-gradient(circle, rgba(255, 107, 107, 0.15) 0%, transparent 70%);
  pointer-events: none;
  animation: pulseGlow 8s ease-in-out infinite;
}

@keyframes pulseGlow {
  0%, 100% { transform: scale(1); opacity: 0.5; }
  50% { transform: scale(1.2); opacity: 1; }
}

.hero-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
  position: relative;
  z-index: 2;
}

.hero-eyebrow {
  display: inline-block;
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 4px;
  text-transform: uppercase;
  background: var(--gradient-2);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 24px;
  animation: fadeInUp 0.8s ease forwards;
}

.hero-content h1 {
  font-size: clamp(48px, 8vw, 96px);
  font-weight: 900;
  line-height: 1.05;
  letter-spacing: -3px;
  margin-bottom: 24px;
  animation: fadeInUp 0.8s ease 0.2s forwards;
  opacity: 0;
}

.hero-content h1 span {
  background: var(--gradient-1);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-content p {
  font-size: 18px;
  color: var(--text-secondary);
  max-width: 480px;
  margin-bottom: 40px;
  line-height: 1.8;
  animation: fadeInUp 0.8s ease 0.4s forwards;
  opacity: 0;
}

.hero-buttons {
  display: flex;
  gap: 16px;
  animation: fadeInUp 0.8s ease 0.6s forwards;
  opacity: 0;
}

.hero-image {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
  animation: fadeInRight 1s ease 0.4s forwards;
  opacity: 0;
}

.hero-image::before {
  content: '';
  position: absolute;
  width: 400px;
  height: 400px;
  background: var(--gradient-1);
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.3;
  animation: rotateGlow 12s linear infinite;
}

@keyframes rotateGlow {
  0% { transform: rotate(0deg) scale(1); }
  50% { transform: rotate(180deg) scale(1.2); }
  100% { transform: rotate(360deg) scale(1); }
}

.hero-image img {
  width: 100%;
  max-width: 500px;
  height: auto;
  position: relative;
  z-index: 2;
  border-radius: var(--radius-lg);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
}

/* ===== Buttons ===== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 16px 40px;
  border-radius: 50px;
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 700;
  letter-spacing: 0.5px;
  text-decoration: none;
  border: none;
  cursor: pointer;
  transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  position: relative;
  overflow: hidden;
}

.btn-primary {
  background: var(--gradient-1);
  color: var(--bg-primary);
  box-shadow: 0 4px 20px rgba(255, 107, 107, 0.4);
}

.btn-primary:hover {
  transform: translateY(-3px) scale(1.02);
  box-shadow: 0 8px 40px rgba(255, 107, 107, 0.6);
}

.btn-outline {
  background: transparent;
  color: var(--text-primary);
  border: 2px solid rgba(255, 255, 255, 0.2);
}

.btn-outline:hover {
  border-color: var(--accent-1);
  background: rgba(255, 107, 107, 0.1);
  transform: translateY(-3px);
}

/* ===== Section ===== */
.section {
  padding: 120px 0;
  position: relative;
}

.section-label {
  display: inline-block;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 4px;
  text-transform: uppercase;
  color: var(--accent-2);
  margin-bottom: 16px;
  position: relative;
  padding-left: 48px;
}

.section-label::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  width: 32px;
  height: 2px;
  background: var(--accent-2);
}

.section-title {
  font-size: clamp(36px, 5vw, 64px);
  font-weight: 900;
  letter-spacing: -2px;
  line-height: 1.1;
  margin-bottom: 20px;
}

.section-desc {
  font-size: 18px;
  color: var(--text-secondary);
  max-width: 600px;
  line-height: 1.8;
}

/* ===== Cards Grid ===== */
.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
  margin-top: 60px;
}

.category-card {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-md);
  padding: 40px 32px;
  transition: all 0.5s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  position: relative;
  overflow: hidden;
  cursor: pointer;
}

.category-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--gradient-1);
  opacity: 0;
  transition: opacity 0.5s ease;
  z-index: 0;
}

.category-card:hover {
  transform: translateY(-8px);
  border-color: var(--accent-1);
}

.category-card:hover::before {
  opacity: 0.05;
}

.category-card > * {
  position: relative;
  z-index: 1;
}

.card-icon {
  width: 64px;
  height: 64px;
  border-radius: var(--radius-sm);
  background: var(--gradient-1);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 28px;
  margin-bottom: 24px;
  transition: transform 0.4s ease;
}

.category-card:hover .card-icon {
  transform: scale(1.1) rotate(-5deg);
}

.category-card h3 {
  font-size: 24px;
  font-weight: 700;
  margin-bottom: 12px;
}

.category-card p {
  color: var(--text-secondary);
  font-size: 15px;
  line-height: 1.7;
  margin-bottom: 24px;
}

.card-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--accent-1);
  text-decoration: none;
  font-weight: 700;
  font-size: 14px;
  transition: gap 0.3s ease;
}

.card-link:hover {
  gap: 16px;
}

/* ===== Feature Block ===== */
.feature-block {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
  margin-top: 60px;
}

.feature-image {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.4);
}

.feature-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.6s ease;
}

.feature-image:hover img {
  transform: scale(1.05);
}

.feature-text h3 {
  font-size: 36px;
  font-weight: 900;
  letter-spacing: -1px;
  margin-bottom: 20px;
}

.feature-text p {
  color: var(--text-secondary);
  font-size: 16px;
  line-height: 1.8;
  margin-bottom: 24px;
}

.feature-list {
  list-style: none;
  padding: 0;
}

.feature-list li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 12px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  color: var(--text-secondary);
  font-size: 15px;
}

.feature-list li::before {
  content: '→';
  color: var(--accent-2);
  font-weight: 700;
  flex-shrink: 0;
}

/* ===== Stats Bar ===== */
.stats-bar {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 40px;
  padding: 60px 0;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  margin: 80px 0;
}

.stat-item {
  text-align: center;
  padding: 20px;
}

.stat-number {
  font-size: clamp(48px, 6vw, 80px);
  font-weight: 900;
  background: var(--gradient-1);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
  margin-bottom: 8px;
  letter-spacing: -2px;
}

.stat-label {
  font-size: 16px;
  color: var(--text-secondary);
  font-weight: 400;
  letter-spacing: 1px;
}

/* ===== Content Wall ===== */
.content-wall {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 24px;
  margin-top: 60px;
}

.content-wall-item {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-md);
  padding: 32px;
  transition: all 0.4s ease;
  position: relative;
}

.content-wall-item:hover {
  border-color: var(--accent-2);
  transform: translateY(-4px);
}

.content-wall-item::after {
  content: '01';
  position: absolute;
  top: 16px;
  right: 24px;
  font-size: 48px;
  font-weight: 900;
  color: rgba(255, 255, 255, 0.03);
  line-height: 1;
}

.content-wall-item:nth-child(2)::after { content: '02'; }
.content-wall-item:nth-child(3)::after { content: '03'; }

.content-wall-body h4 {
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 12px;
}

.content-wall-body p {
  color: var(--text-secondary);
  font-size: 14px;
  line-height: 1.7;
}

/* ===== FAQ List ===== */
.faq-list {
  max-width: 800px;
  margin: 60px auto 0;
}

.faq-item {
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  padding: 20px 0;
  cursor: pointer;
}

.faq-item summary {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 18px;
  font-weight: 700;
  color: var(--text-primary);
  list-style: none;
  padding: 12px 0;
  transition: color 0.3s ease;
}

.faq-item summary::-webkit-details-marker {
  display: none;
}

.faq-item summary::after {
  content: '+';
  font-size: 28px;
  font-weight: 300;
  color: var(--accent-1);
  transition: transform 0.3s ease;
}

.faq-item[open] summary::after {
  transform: rotate(45deg);
}

.faq-item[open] summary {
  color: var(--accent-1);
}

.faq-answer {
  padding: 0 0 20px;
  color: var(--text-secondary);
  font-size: 15px;
  line-height: 1.8;
}

/* ===== CTA Banner ===== */
.cta-banner {
  background: var(--gradient-1);
  border-radius: var(--radius-lg);
  padding: 80px 60px;
  text-align: center;
  position: relative;
  overflow: hidden;
  margin: 80px 0;
}

.cta-banner::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle, rgba(255,255,255,0.1) 0%, transparent 60%);
  animation: shimmer 6s ease-in-out infinite;
}

@keyframes shimmer {
  0%, 100% { transform: translate(0, 0); }
  50% { transform: translate(20%, 20%); }
}

.cta-banner h2 {
  font-size: clamp(32px, 4vw, 52px);
  font-weight: 900;
  color: var(--bg-primary);
  margin-bottom: 16px;
  position: relative;
  z-index: 2;
}

.cta-banner p {
  font-size: 18px;
  color: rgba(11, 12, 16, 0.7);
  margin-bottom: 32px;
  position: relative;
  z-index: 2;
}

.cta-banner .btn {
  background: var(--bg-primary);
  color: var(--text-primary);
  position: relative;
  z-index: 2;
}

.cta-banner .btn:hover {
  background: var(--bg-secondary);
  transform: translateY(-3px);
}

/* ===== Footer ===== */
.site-footer {
  background: var(--bg-secondary);
  padding: 80px 0 0;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 60px;
  padding-bottom: 60px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.footer-brand {
  max-width: 320px;
}

.footer-brand .logo {
  margin-bottom: 20px;
}

.footer-brand p {
  color: var(--text-secondary);
  font-size: 14px;
  line-height: 1.8;
}

.footer-col h4 {
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 20px;
  color: var(--text-primary);
}

.footer-col a {
  display: block;
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 14px;
  padding: 6px 0;
  transition: color 0.3s ease;
}

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

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 24px 0;
  font-size: 13px;
  color: var(--text-secondary);
}

/* ===== Utility ===== */
.text-accent {
  background: var(--gradient-1);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.text-center {
  text-align: center;
}

.seo-description {
  color: var(--text-secondary);
  font-size: 14px;
  line-height: 1.8;
  max-width: 800px;
  margin: 40px auto 0;
}

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

@keyframes fadeInRight {
  from {
    opacity: 0;
    transform: translateX(60px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

/* ===== Responsive ===== */
@media (max-width: 1024px) {
  .hero-content {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .hero-content p {
    margin: 0 auto 40px;
  }

  .hero-buttons {
    justify-content: center;
  }

  .hero-image {
    max-width: 400px;
    margin: 0 auto;
  }

  .feature-block {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 40px;
  }
}

@media (max-width: 768px) {
  .container {
    padding: 0 16px;
  }

  .site-header {
    height: 64px;
  }

  .header-inner {
    height: 64px;
    padding: 0 16px;
  }

  .main-nav {
    display: none;
    position: fixed;
    top: 64px;
    left: 0;
    right: 0;
    background: rgba(11, 12, 16, 0.98);
    backdrop-filter: blur(20px);
    flex-direction: column;
    padding: 40px 24px;
    gap: 24px;
    border-bottom: 1px solid var(--glass-border);
  }

  .main-nav.active {
    display: flex;
  }

  .main-nav a {
    font-size: 18px;
  }

  .nav-cta {
    width: 100%;
    text-align: center;
  }

  .menu-toggle {
    display: flex;
  }

  .hero {
    padding: 100px 0 60px;
    min-height: auto;
  }

  .hero-content h1 {
    font-size: clamp(36px, 10vw, 56px);
  }

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

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

  .section {
    padding: 60px 0;
  }

  .section-title {
    font-size: 32px;
  }

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

  .stats-bar {
    grid-template-columns: 1fr 1fr;
    gap: 24px;
    padding: 40px 0;
  }

  .content-wall {
    grid-template-columns: 1fr;
  }

  .cta-banner {
    padding: 40px 24px;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .footer-bottom {
    flex-direction: column;
    gap: 12px;
    text-align: center;
  }
}

@media (max-width: 480px) {
  .hero-content h1 {
    font-size: 32px;
  }

  .hero-content p {
    font-size: 15px;
  }

  .stat-number {
    font-size: 40px;
  }

  .stats-bar {
    grid-template-columns: 1fr;
  }

  .section-title {
    font-size: 28px;
  }

  .feature-text h3 {
    font-size: 28px;
  }
}