:root {
  --bg-color: #000000;
  --text-primary: #ffffff;
  --text-secondary: #aaaaaa;
  --glass-bg: rgba(255, 255, 255, 0.05);
  --glass-border: rgba(255, 255, 255, 0.1);
  --accent-glow: radial-gradient(circle, rgba(62,184,255,0.4) 0%, rgba(139,92,246,0.3) 100%);
  --font-main: 'Inter', sans-serif;
}

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

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

/* Animations */
@keyframes float {
  0% { transform: translateY(0px); }
  50% { transform: translateY(-20px); }
  100% { transform: translateY(0px); }
}

@keyframes pulse {
  0% { opacity: 0.5; transform: scale(1); }
  50% { opacity: 0.8; transform: scale(1.05); }
  100% { opacity: 0.5; transform: scale(1); }
}

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

.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: all 0.8s cubic-bezier(0.5, 0, 0, 1);
}

.reveal.active {
  opacity: 1;
  transform: translateY(0);
}

/* Background Elements */
.bg-gradient {
  position: fixed;
  top: -20%;
  left: -20%;
  width: 140vw;
  height: 140vh;
  z-index: -1;
  background: black url('assets/hero-gradient.png') no-repeat center center;
  background-size: cover;
  opacity: 0.4;
  animation: pulse 10s infinite ease-in-out;
}

.glass-obj-1 {
  position: absolute;
  top: 15%;
  right: 10%;
  width: 400px;
  height: auto;
  z-index: -1;
  opacity: 0.8;
  animation: float 6s ease-in-out infinite;
  mix-blend-mode: screen;
}

/* Layout */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
}

/* Header */
header {
  padding: 2rem 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: -0.05em;
}

nav ul {
  display: flex;
  gap: 2rem;
  list-style: none;
}

nav a {
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 0.9rem;
  transition: color 0.3s;
}

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

/* Hero Section */
.hero {
  min-height: 90vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  position: relative;
}

.hero h1 {
  font-size: clamp(3rem, 10vw, 8rem);
  font-weight: 800;
  line-height: 1;
  letter-spacing: -0.04em;
  margin-bottom: 2rem;
  background: linear-gradient(to right, #fff, #aaa);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  max-width: 800px;
}

.hero p {
  font-size: 1.25rem;
  color: var(--text-secondary);
  max-width: 500px;
  margin-bottom: 3rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1.5rem;
  border: 1px solid var(--glass-border);
  border-radius: 50px;
  background: var(--glass-bg);
  color: var(--text-primary);
  text-decoration: none;
  backdrop-filter: blur(10px);
  transition: all 0.3s ease;
  width: fit-content;
}

.btn:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.3);
  transform: translateX(5px);
}

/* Sections */
.section {
  padding: 10rem 0;
  border-top: 1px solid rgba(255,255,255,0.05);
  position: relative;
}

.section-number {
  font-size: 10rem;
  font-weight: 700;
  color: rgba(255, 255, 255, 0.03);
  position: absolute;
  top: 2rem;
  left: 0;
  line-height: 1;
  z-index: -1;
}

.feature-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.feature-content h2 {
  font-size: 3rem;
  margin-bottom: 1.5rem;
  letter-spacing: -0.02em;
}

.feature-content p {
  color: var(--text-secondary);
  font-size: 1.1rem;
  margin-bottom: 2rem;
}

.feature-card {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  padding: 3rem;
  border-radius: 20px;
  backdrop-filter: blur(20px);
}

/* Grid Section */
.grid-section {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: rgba(255,255,255,0.1); /* Border color */
  border-top: 1px solid rgba(255,255,255,0.1);
  border-bottom: 1px solid rgba(255,255,255,0.1);
}

.grid-item {
  background: #000;
  padding: 4rem 2rem;
  text-align: center;
  transition: background 0.3s;
}

.grid-item:hover {
  background: #050505;
}

.grid-item h3 {
  margin-bottom: 1rem;
  font-size: 1.5rem;
}

.grid-item p {
  color: var(--text-secondary);
  font-size: 0.9rem;
}

/* Footer */
footer {
  padding: 5rem 0;
  text-align: center;
  color: var(--text-secondary);
  border-top: 1px solid rgba(255,255,255,0.05);
}

/* Mobile */
@media (max-width: 768px) {
  .hero h1 { font-size: 4rem; }
  .feature-grid { grid-template-columns: 1fr; }
  .grid-section { grid-template-columns: 1fr; }
  .section-number { font-size: 6rem; }
}