:root {
  /* Color Palette - Premium Dark Theme */
  --bg-deep: #05070a;
  --bg-surface: #0f1218;
  --bg-card: rgba(23, 28, 38, 0.7);

  --primary: #2563eb;
  --primary-glow: rgba(37, 99, 235, 0.4);
  --secondary: #7c3aed;
  --secondary-glow: rgba(124, 58, 237, 0.4);

  --text-main: #f8fafc;
  --text-muted: #94a3b8;
  --text-dim: #64748b;

  --glass-border: rgba(255, 255, 255, 0.1);
  --glass-shine: rgba(255, 255, 255, 0.05);

  --accent-blue: #38bdf8;
  --accent-purple: #c084fc;

  --transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: "Outfit", "Inter", sans-serif;
  background-color: var(--bg-deep);
  color: var(--text-main);
  overflow-x: hidden;
  line-height: 1.6;
}

/* Base Layout */
.container {
  width: 90%;
  max-width: 1200px;
  margin: 0 auto;
}

/* Background Effects */
.bg-glow {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: -1;
  overflow: hidden;
  pointer-events: none;
}

.glow-1 {
  position: absolute;
  top: -10%;
  left: -10%;
  width: 50%;
  height: 50%;
  background: radial-gradient(circle, var(--primary-glow) 0%, transparent 70%);
  filter: blur(80px);
  animation: drift 20s infinite alternate;
}

.glow-2 {
  position: absolute;
  bottom: -10%;
  right: -10%;
  width: 50%;
  height: 50%;
  background: radial-gradient(
    circle,
    var(--secondary-glow) 0%,
    transparent 70%
  );
  filter: blur(80px);
  animation: drift 15s infinite alternate-reverse;
}

@keyframes drift {
  from {
    transform: translate(0, 0) rotate(0deg);
  }
  to {
    transform: translate(10%, 10%) rotate(10deg);
  }
}

/* Header & Nav */
header {
  position: fixed;
  top: 0;
  width: 100%;
  z-index: 100;
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--glass-border);
  background: rgba(5, 7, 10, 0.7);
}

.nav-container {
  height: 80px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  font-size: 1.5rem;
  font-weight: 800;
  background: linear-gradient(
    to right,
    var(--accent-blue),
    var(--accent-purple)
  );
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  letter-spacing: -1px;
}

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

nav a {
  text-decoration: none;
  color: var(--text-muted);
  font-weight: 500;
  font-size: 0.95rem;
  transition: var(--transition);
}

nav a:hover {
  color: var(--text-main);
  text-shadow: 0 0 10px var(--primary-glow);
}

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

.hero-content {
  max-width: 700px;
}

.hero-tag {
  display: inline-block;
  padding: 6px 16px;
  background: var(--primary-glow);
  border: 1px solid var(--primary);
  border-radius: 20px;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--accent-blue);
  margin-bottom: 1.5rem;
  animation: fadeInDown 0.8s ease-out;
}

.hero h1 {
  font-size: 4rem;
  font-weight: 800;
  line-height: 1.1;
  margin-bottom: 1.5rem;
  background: linear-gradient(to bottom, #fff 40%, rgba(255, 255, 255, 0.7));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  letter-spacing: -2px;
}

.hero p {
  font-size: 1.25rem;
  color: var(--text-muted);
  margin-bottom: 2.5rem;
  max-width: 550px;
}

.cta-group {
  display: flex;
  gap: 1rem;
}

.btn {
  padding: 1rem 2rem;
  border-radius: 12px;
  text-decoration: none;
  font-weight: 700;
  font-size: 1rem;
  transition: var(--transition);
  display: flex;
  align-items: center;
  gap: 10px;
}

.btn-primary {
  background: var(--primary);
  color: #fff;
  box-shadow: 0 10px 20px -5px var(--primary-glow);
}

.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 20px 30px -10px var(--primary-glow);
  background: #3b82f6;
}

.btn-outline {
  border: 1px solid var(--glass-border);
  color: var(--text-main);
  background: var(--glass-shine);
}

.btn-outline:hover {
  background: var(--glass-border);
  transform: translateY(-3px);
}

/* Projects Section */
.section {
  padding: 100px 0;
}

.section-header {
  margin-bottom: 60px;
}

.section-header h2 {
  font-size: 2.5rem;
  font-weight: 800;
  margin-bottom: 1rem;
}

.section-header p {
  color: var(--text-muted);
  font-size: 1.1rem;
}

.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
  gap: 2rem;
}

.project-card {
  background: var(--bg-card);
  border: 1px solid var(--glass-border);
  border-radius: 24px;
  padding: 2rem;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.project-card:hover {
  transform: translateY(-10px);
  border-color: var(--primary);
  box-shadow: 0 30px 60px -15px rgba(0, 0, 0, 0.5);
}

.project-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: linear-gradient(to right, var(--primary), var(--secondary));
  opacity: 0;
  transition: var(--transition);
}

.project-card:hover::before {
  opacity: 1;
}

.project-icon {
  width: 60px;
  height: 60px;
  background: var(--glass-shine);
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.5rem;
  color: var(--accent-blue);
  border: 1px solid var(--glass-border);
}

.project-card h3 {
  font-size: 1.5rem;
  margin-bottom: 0.75rem;
}

.project-card p {
  color: var(--text-muted);
  font-size: 0.95rem;
  margin-bottom: 1.5rem;
  min-height: 4.5em;
}

.project-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: auto;
}

.tag {
  font-size: 0.75rem;
  padding: 4px 10px;
  background: rgba(255, 255, 255, 0.05);
  border-radius: 6px;
  color: var(--text-dim);
}

/* Footer */
footer {
  padding: 60px 0;
  border-top: 1px solid var(--glass-border);
  text-align: center;
}

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

.social-links {
  display: flex;
  justify-content: center;
  gap: 1.5rem;
  margin-bottom: 1.5rem;
}

.social-link {
  color: var(--text-muted);
  font-size: 1.2rem;
  transition: var(--transition);
}

.social-link:hover {
  color: var(--accent-blue);
  transform: scale(1.1);
}

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

@media (max-width: 768px) {
  .hero h1 {
    font-size: 2.5rem;
  }
  .nav-container {
    height: 70px;
  }
  nav {
    display: none;
  }
  .cta-group {
    flex-direction: column;
  }
  .projects-grid {
    grid-template-columns: 1fr;
  }
}