:root {
  --primary: #00f2fe;
  --secondary: #4facfe;
  --accent: #f77062;
  --bg-color: #0b0f19;
  --surface: #151a28;
  --text-main: #e2e8f0;
  --text-muted: #94a3b8;
  --glow: 0 0 20px rgba(79, 172, 254, 0.4);
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: 'Inter', sans-serif;
}

body {
  background-color: var(--bg-color);
  color: var(--text-main);
  line-height: 1.8;
}

/* Back Button */
.redirect-button {
  position: fixed;
  top: 20px;
  left: 20px;
  background: rgba(255, 255, 255, 0.1);
  color: #fff;
  padding: 10px 20px;
  border-radius: 8px;
  text-decoration: none;
  font-weight: 600;
  backdrop-filter: blur(10px);
  z-index: 1000;
  transition: all 0.3s;
}

.redirect-button:hover {
  background: var(--primary);
  color: #000;
  box-shadow: var(--glow);
}

/* Hero Section */
.hero {
  text-align: center;
  padding: 140px 20px 80px;
  background: linear-gradient(to bottom, rgba(11, 15, 25, 0.85), rgba(11, 15, 25, 1)), url('../image/google-antigravity-ai.png') no-repeat center center/cover;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.hero-content {
  max-width: 900px;
  margin: 0 auto;
}

.pill {
  display: inline-block;
  background: rgba(79, 172, 254, 0.2);
  color: var(--primary);
  padding: 6px 16px;
  border-radius: 20px;
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 20px;
  border: 1px solid rgba(79, 172, 254, 0.3);
}

.hero h1 {
  font-size: 3.5rem;
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: 20px;
  background: linear-gradient(90deg, var(--primary), var(--secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero p {
  font-size: 1.2rem;
  color: var(--text-muted);
  margin-bottom: 30px;
}

.meta {
  display: flex;
  justify-content: center;
  gap: 20px;
  font-size: 0.9rem;
  color: var(--text-muted);
}

/* Container */
.container {
  max-width: 950px;
  margin: 0 auto;
  padding: 40px 20px;
}

/* Content Sections */
.section {
  margin-bottom: 60px;
}

.section h2 {
  font-size: 2.2rem;
  margin-bottom: 25px;
  color: #fff;
  border-left: 5px solid var(--primary);
  padding-left: 20px;
}

.section h3 {
  font-size: 1.6rem;
  margin: 35px 0 15px;
  color: var(--secondary);
}

.section p {
  margin-bottom: 20px;
  font-size: 1.1rem;
  color: var(--text-main);
}

.section ul {
  list-style: none;
  padding-left: 20px;
  margin-bottom: 25px;
}

.section ul li {
  margin-bottom: 12px;
  position: relative;
  padding-left: 30px;
  font-size: 1.1rem;
}

.section ul li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--primary);
  font-weight: bold;
}

.highlight-box {
  background: rgba(21, 26, 40, 0.8);
  border: 1px solid rgba(255, 255, 255, 0.1);
  padding: 30px;
  border-radius: 12px;
  margin: 40px 0;
  box-shadow: 0 10px 40px rgba(0,0,0,0.4);
  position: relative;
  overflow: hidden;
  backdrop-filter: blur(10px);
}

.highlight-box::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 5px;
  height: 100%;
  background: linear-gradient(to bottom, var(--primary), var(--accent));
}

.highlight-box h3 {
  margin-top: 0;
  color: #fff;
}

/* Grid layout for features/models */
.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 25px;
  margin-top: 30px;
}

.card {
  background: var(--surface);
  padding: 30px;
  border-radius: 16px;
  border: 1px solid rgba(255, 255, 255, 0.05);
  transition: transform 0.3s, box-shadow 0.3s;
}

.card:hover {
  transform: translateY(-8px);
  box-shadow: var(--glow);
  border-color: rgba(79, 172, 254, 0.3);
}

.card h4 {
  font-size: 1.3rem;
  color: var(--primary);
  margin-bottom: 15px;
}

/* Table Design */
.table-wrapper {
  overflow-x: auto;
  margin: 40px 0;
}

table {
  width: 100%;
  border-collapse: collapse;
  background: var(--surface);
  border-radius: 10px;
  overflow: hidden;
}

th, td {
  padding: 18px;
  text-align: left;
  border-bottom: 1px solid rgba(255,255,255,0.05);
}

th {
  background: rgba(79, 172, 254, 0.1);
  color: var(--primary);
  font-weight: 700;
  font-size: 1.1rem;
}

tr:hover {
  background: rgba(255,255,255,0.03);
}

/* Footer */
.footer {
  background: #050810;
  padding: 60px 20px 20px;
  border-top: 1px solid rgba(255,255,255,0.05);
}

.footer-container {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 40px;
}

.footer-logo img {
  width: 50px;
  margin-bottom: 15px;
}

.footer h3 {
  color: #fff;
  margin-bottom: 20px;
  font-size: 1.2rem;
}

.footer p, .footer a {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.95rem;
  margin-bottom: 10px;
  display: block;
}

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

.seo-keywords-list {
  padding: 0 !important;
}
.seo-keywords-list li {
  margin-bottom: 8px !important;
  padding-left: 0 !important;
}
.seo-keywords-list li::before {
  display: none !important;
}

.footer-social {
  display: flex;
  gap: 15px;
  margin-top: 20px;
}

.footer-social a {
  background: rgba(255,255,255,0.05);
  width: 40px;
  height: 40px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.3s;
}

.footer-social a:hover {
  background: var(--primary);
  color: #000;
  transform: translateY(-3px);
}

.footer-bottom {
  text-align: center;
  padding-top: 30px;
  margin-top: 40px;
  border-top: 1px solid rgba(255,255,255,0.05);
  color: var(--text-muted);
}