@import url("https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800;900&display=swap");

:root {
  /* Colors */
  --bg-primary: #0a0e1a;
  --bg-secondary: #0f1420;
  --bg-tertiary: #151b2b;

  /* Glass Effect */
  --glass-bg: rgba(255, 255, 255, 0.05);
  --glass-border: rgba(255, 255, 255, 0.1);
  --glass-hover: rgba(255, 255, 255, 0.08);

  /* Accent Colors */
  --accent-primary: #6ee7b7;
  --accent-secondary: #34d399;
  --accent-glow: rgba(110, 231, 183, 0.3);
  --accent-purple: #a78bfa;

  /* Text Colors */
  --text-primary: #f0f4f8;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;

  /* Spacing */
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 1.5rem;
  --spacing-lg: 2rem;
  --spacing-xl: 3rem;

  /* Border Radius */
  --radius-sm: 0.5rem;
  --radius-md: 0.75rem;
  --radius-lg: 1rem;
  --radius-xl: 1.5rem;

  /* Shadows */
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.1);
  --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.2);
  --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.3);
  --shadow-glow: 0 0 20px var(--accent-glow);

  /* Transitions */
  --transition-fast: 0.2s ease;
  --transition-normal: 0.3s ease;
  --transition-slow: 0.5s ease;
}

/* === Base styles === */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: "Inter", -apple-system, BlinkMacSystemFont, sans-serif;
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  min-height: 100vh;
  overflow-x: hidden;
  display: flex;
  flex-direction: column;
  align-items: center;
}

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

.orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.15;
  animation: float 20s infinite ease-in-out;
  background: radial-gradient(
    circle at 30% 30%,
    var(--accent-primary) 0%,
    var(--accent-secondary) 70%
  );
}

.orb1 {
  width: 500px;
  height: 500px;
  top: -250px;
  left: -250px;
  animation-delay: 0s;
}

.orb2 {
  width: 400px;
  height: 400px;
  bottom: -200px;
  right: -200px;
  animation-delay: 7s;
}

.orb3 {
  width: 350px;
  height: 350px;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  background: var(--accent-purple);
  animation-delay: 14s;
}

@keyframes float {
  0%,
  100% {
    transform: translate(0, 0) scale(1);
  }
  33% {
    transform: translate(100px, -100px) scale(1.1);
  }
  66% {
    transform: translate(-100px, 100px) scale(0.9);
  }
}

/* === Header === */
header {
  position: sticky;
  top: 0;
  z-index: 1000;
  backdrop-filter: blur(20px) saturate(180%);
  background: rgba(10, 14, 26, 0.8);
  border-bottom: 1px solid var(--glass-border);
  padding: var(--spacing-sm) 0;
  transition: all var(--transition-normal);
  width: 100%;
}

header::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, transparent, rgba(110, 231, 183, 0.03), transparent);
  opacity: 0;
  transition: opacity var(--transition-normal);
}

header:hover::before {
  opacity: 1;
}

.header-grid {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--spacing-md);
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

/* Logo */
.logo {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--accent-primary);
  text-decoration: none;
  position: relative;
  transition: all var(--transition-fast);
  letter-spacing: -0.02em;
  display: flex;
  align-items: center;
  gap: 8px;
}

.logo:hover {
  transform: translateY(-2px);
  text-shadow: 0 4px 12px var(--accent-glow);
}

.logo-icon {
  font-size: 1.5rem;
}

/* Navigation */
.nav {
  display: flex;
  gap: var(--spacing-md);
  align-items: center;
}

.nav a {
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 0.95rem;
  font-weight: 500;
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: var(--radius-sm);
  position: relative;
  transition: all var(--transition-fast);
}

.nav a::before {
  content: "";
  position: absolute;
  bottom: 0;
  left: 50%;
  width: 0;
  height: 2px;
  background: var(--accent-primary);
  transform: translateX(-50%);
  transition: width var(--transition-fast);
}

.nav a:hover {
  color: var(--text-primary);
  background: var(--glass-bg);
}

.nav a:hover::before {
  width: 60%;
}

.nav a.active {
  color: var(--accent-primary);
  background: var(--glass-bg);
}

/* === Cards === */
.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--spacing-xl);
}

.card {
  background: var(--glass-bg);
  backdrop-filter: blur(20px);
  border: 2px solid var(--glass-border);
  border-radius: var(--radius-lg);
  padding: var(--spacing-lg);
  box-shadow: var(--shadow-md);
  transition: all var(--transition-normal);
  position: relative;
  overflow: hidden;
}

.card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--accent-primary), var(--accent-secondary));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition-normal);
}

.card:hover {
  transform: translateY(-4px);
  background: var(--glass-hover);
  border-color: var(--accent-glow);
  box-shadow: var(--shadow-lg), 0 0 30px rgba(110, 231, 183, 0.1);
}

.card:hover::before {
  transform: scaleX(1);
}

.card h3,
.card h4 {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: var(--spacing-sm);
  color: var(--text-primary);
}

.card p {
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.6;
}

/* === Buttons === */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-xs);
  padding: 0.75rem 1.5rem;
  font-size: 0.95rem;
  font-weight: 600;
  text-decoration: none;
  color: var(--text-primary);
  background: var(--glass-bg);
  border: 2px solid var(--glass-border);
  border-radius: var(--radius-md);
  backdrop-filter: blur(10px);
  cursor: pointer;
  transition: all var(--transition-normal);
  position: relative;
  overflow: hidden;
}

.btn::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
  opacity: 0;
  transition: opacity var(--transition-normal);
}

.btn:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md), var(--shadow-glow);
  border-color: var(--accent-primary);
}

.btn:hover::before {
  opacity: 0.1;
}

.btn:active {
  transform: translateY(0);
}

/* Links */
.link {
  color: var(--accent-primary);
  font-weight: 500;
  text-decoration: none;
}

.link:hover {
  color: var(--accent-secondary);
  border-bottom-style: solid;
}

/* === Main === */
main {
  max-width: 1300px;
  /* margin: 0 auto; */
  padding: 0 var(--spacing-md);
  position: relative;
  z-index: 1;
  flex: 1;
  width: 100%;
}

/* Hero section */
.hero {
  padding: var(--spacing-xl) 0;
  min-height: 80vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  position: relative;
}

.hero h1 {
  font-size: clamp(2.5rem, 6vw, 4.5rem);
  font-weight: 900;
  line-height: 1.1;
  margin-bottom: 1.5rem;
  letter-spacing: -0.03em;
  animation: fadeInUp 0.8s ease;
}

.accent {
  background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  position: relative;
  display: inline-block;
}

.accent::after {
  content: "";
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 100%;
  height: 3px;
  background: linear-gradient(90deg, var(--accent-primary), transparent);
  opacity: 0.5;
}

.hero p {
  font-size: clamp(1.1rem, 2.5vw, 1.35rem);
  color: var(--text-secondary);
  margin-bottom: 2.5rem;
  max-width: 650px;
  animation: fadeInUp 0.8s ease 0.2s both;
}

.hero-actions {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  animation: fadeInUp 0.8s ease 0.4s both;
}

/* Stats section */
.stats {
  display: flex;
  justify-content: space-around;
  flex-wrap: wrap;
  gap: var(--spacing-lg);
  margin: var(--spacing-xl) 0;
  animation: fadeInUp 0.8s ease 0.6s both;
}

.stat-item {
  text-align: center;
  padding: var(--spacing-md);
}

.stat-number {
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--accent-primary);
  display: block;
  line-height: 1;
}

.stat-label {
  font-size: 0.875rem;
  color: var(--text-secondary);
  margin-top: var(--spacing-xs);
}

.float-animation {
  animation: floatElement 6s ease-in-out infinite;
}

@keyframes floatElement {
  0%,
  100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-10px);
  }
}

/* About section */
.about-cards {
  animation: 0.8s ease 0.8s both;
}

.skill-badges {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-xs);
  margin-top: var(--spacing-sm);
}

.skill-badge {
  background: rgba(110, 231, 183, 0.1);
  color: var(--accent-primary);
  padding: 0.25rem 0.75rem;
  border-radius: 99px;
  font-size: 0.75rem;
  font-weight: 600;
  border: 2px solid rgba(110, 231, 183, 0.2);
}

/* Contacts section */
.contacts h2 {
  text-align: center;
  font-size: 2rem;
  margin: var(--spacing-md) 0;
  animation: fadeInUp 0.8s ease 1s both;
}

.contact-cards {
  animation: fadeInUp 0.8s ease 1.2s both;
}

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

.social-links {
  display: flex;
  flex-direction: column;
  flex-wrap: wrap;
  gap: var(--spacing-xs);
  justify-content: center;
  margin-top: var(--spacing-sm);
}

.social-links a {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 0.5rem 1rem;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--bg-primary);
  background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
  border-radius: var(--radius-sm);
  text-decoration: none;
  transition: all var(--transition-fast);
  box-shadow: 0 2px 8px rgba(110, 231, 183, 0.2);
}

.social-links a:hover {
  transform: translateY(-2px) scale(1.05) skewX(-5deg);
  box-shadow: 0 4px 16px rgba(110, 231, 183, 0.4);
  color: black;
  text-decoration: none;
}

/* === Footer === */
footer {
  margin-top: var(--spacing-xl);
  padding: var(--spacing-lg) 0;
  border-top: 1px solid var(--glass-border);
  text-align: center;
  background: rgba(10, 14, 26, 0.5);
  backdrop-filter: blur(10px);
  width: 100%;
}

footer p {
  color: var(--text-muted);
  font-size: 0.875rem;
}

/* === Scrollbar === */
::-webkit-scrollbar {
  width: 10px;
  height: 10px;
}

::-webkit-scrollbar-track {
  background: var(--bg-secondary);
}

::-webkit-scrollbar-thumb {
  background: linear-gradient(180deg, var(--accent-primary), var(--accent-secondary));
  border-radius: 99px;
  transition: background var(--transition-fast);
}

::-webkit-scrollbar-thumb:hover {
  background: var(--accent-primary);
}

* {
  scrollbar-width: thin;
  scrollbar-color: var(--accent-primary) var(--bg-secondary);
}

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

/* === Responsive === */
@media (max-width: 768px) {
  main {
    padding: 0 var(--spacing-sm);
  }

  .stats {
    gap: var(--spacing-md);
  }
}

@media (max-width: 640px) {
  .nav {
    gap: var(--spacing-xs);
  }

  .nav a {
    font-size: 0.875rem;
    padding: var(--spacing-xs);
  }

  .header-grid {
    flex-direction: column;
    gap: var(--spacing-sm);
  }
}