:root {
  --primary: #ffd700;
  --secondary: #b8860b;
  --accent: #ff4d00;
  --bg: #050608;
  --card-bg: rgba(255, 255, 255, 0.04);
  --text: #ffffff;
  --text-muted: #b0b0b0;
  --glass: rgba(255, 255, 255, 0.02);
  --glass-border: rgba(255, 255, 255, 0.08);
  --gold: linear-gradient(135deg, #ffd700 0%, #b8860b 100%);
  --font-main: 'Inter', system-ui, -apple-system, sans-serif;
}

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

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

.container {
  max-width: 1300px;
  margin: 0 auto;
  padding: 0 2.5rem;
}

/* Typography */
h1,
h2,
h3 {
  font-weight: 800;
  line-height: 1.1;
  margin-bottom: 1.5rem;
  letter-spacing: -0.02em;
}

h1 {
  font-size: 4.5rem;
}
h2 {
  font-size: 3rem;
  text-align: center;
  margin-bottom: 4rem;
  background: var(--gold);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
h3 {
  font-size: 1.75rem;
  color: var(--primary);
}

p {
  font-size: 1.2rem;
  color: var(--text-muted);
  margin-bottom: 2rem;
}

/* Navigation */
nav {
  position: fixed;
  top: 0;
  width: 100%;
  z-index: 1000;
  background: rgba(5, 6, 8, 0.9);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--glass-border);
  padding: 1.5rem 0;
}

.nav-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo img {
  height: 50px;
  filter: drop-shadow(0 0 10px rgba(255,215,0,0.2));
}

.nav-links {
  display: flex;
  list-style: none;
  gap: 2.5rem;
}

.nav-links a {
  color: var(--text);
  text-decoration: none;
  font-weight: 500;
  font-size: 1rem;
  transition: color 0.3s;
  letter-spacing: 0.01em;
}

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

/* Hero Section */
.hero {
  padding: 12rem 0 8rem;
  position: relative;
  overflow: hidden;
  text-align: center;
}

.hero::before {
  content: "";
  position: absolute;
  top: -20%;
  left: -10%;
  width: 50%;
  height: 100%;
  background: radial-gradient(
    circle,
    rgba(0, 210, 255, 0.15) 0%,
    transparent 70%
  );
  z-index: -1;
}

.hero::after {
  content: "";
  position: absolute;
  bottom: -10%;
  right: -10%;
  width: 50%;
  height: 80%;
  background: radial-gradient(
    circle,
    rgba(255, 0, 122, 0.1) 0%,
    transparent 70%
  );
  z-index: -1;
}

.hero-title {
  background: var(--gold);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  margin-bottom: 2rem;
  line-height: 1.1;
}

.hero p {
  max-width: 900px;
  margin: 0 auto 3rem;
  font-size: 1.4rem;
  line-height: 1.5;
}

.btn {
  display: inline-block;
  padding: 1.2rem 3rem;
  border-radius: 12px;
  font-weight: 700;
  text-decoration: none;
  transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
  cursor: pointer;
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.btn-primary {
  background: var(--gold);
  color: #000;
  box-shadow: 0 10px 30px rgba(255, 215, 0, 0.2);
}

.btn-primary:hover {
  transform: translateY(-5px) scale(1.02);
  box-shadow: 0 20px 40px rgba(255, 215, 0, 0.4);
}

.hero-mockup {
  margin-top: 6rem;
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.hero-mockup img {
  max-width: 100%;
  border-radius: 24px;
  box-shadow: 0 40px 100px rgba(0,0,0,0.8);
  border: 1px solid var(--glass-border);
}

/* Features Sections */
.section {
  padding: 10rem 0;
}

.feature-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 6rem;
  align-items: center;
}

.feature-grid.reverse {
  direction: rtl;
}

.feature-grid.reverse .feature-content {
  direction: ltr;
}

.feature-content h3 {
  text-transform: uppercase;
  letter-spacing: 1px;
  font-size: 1rem;
  margin-bottom: 1rem;
}

.feature-image {
  position: relative;
}

.feature-image img {
  width: 100%;
  border-radius: 20px;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4);
  border: 1px solid var(--glass-border);
}

.feature-image::before {
  content: "";
  position: absolute;
  width: 100%;
  height: 100%;
  background: var(--primary);
  filter: blur(100px);
  opacity: 0.1;
  z-index: -1;
}

/* Capabilities Cards */
.capabilities-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 3rem;
}

.capability-card {
    background: var(--card-bg);
    padding: 3.5rem;
    border-radius: 30px;
    border: 1px solid var(--glass-border);
    transition: all 0.4s ease;
    position: relative;
    overflow: hidden;
}

.capability-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--gold);
    opacity: 0;
    transition: opacity 0.4s ease;
    z-index: -1;
}

.capability-card:hover {
    transform: translateY(-15px);
    border-color: var(--primary);
    box-shadow: 0 20px 40px rgba(255, 215, 0, 0.1);
}

.capability-icon {
    font-size: 3.5rem;
    margin-bottom: 2rem;
    display: block;
    filter: drop-shadow(0 0 10px rgba(255,215,0,0.3));
}

/* Footer */
footer {
    padding: 8rem 0 3rem;
    background: #020304;
    border-top: 1px solid var(--glass-border);
}

.footer-inner {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 6rem;
    margin-bottom: 6rem;
}

.footer-col h4 {
    margin-bottom: 2rem;
    font-size: 1.25rem;
    color: #fff;
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

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

.footer-col ul li {
    margin-bottom: 1.2rem;
}

.footer-col ul a {
    color: var(--text-muted);
    text-decoration: none;
    transition: all 0.3s ease;
    font-size: 1.1rem;
}

.footer-col ul a:hover {
    color: var(--primary);
    padding-left: 5px;
}

.copyright {
    text-align: center;
    padding-top: 3rem;
    border-top: 1px solid var(--glass-border);
    color: var(--text-muted);
    font-size: 1rem;
    letter-spacing: 0.05em;
}

/* Mobile Responsive */
@media (max-width: 768px) {
  h1 {
    font-size: 2.5rem;
  }
  h2 {
    font-size: 2rem;
  }
  .feature-grid {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }
  .feature-grid.reverse {
    direction: ltr;
  }
  .hero {
    padding: 8rem 0 4rem;
  }
  .footer-inner {
    grid-template-columns: 1fr;
  }
  .nav-links {
    display: none;
  }
}

/* Animations */
@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.animate-up {
  animation: fadeIn 0.8s ease forwards;
}