/* ===== FONTS ===== */
@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;600;700&family=Space+Mono:wght@400;700&display=swap');

/* ===== CSS VARIABLES ===== */
:root {
  --bg-primary: #0a0a0f;
  --bg-secondary: #12121a;
  --bg-card: #1a1a26;
  --bg-card-hover: #22222f;
  --text-primary: #e8e8ef;
  --text-secondary: #8a8a9a;
  --text-muted: #5a5a6a;
  --accent: #00d4aa;
  --accent-dim: rgba(0, 212, 170, 0.15);
  --accent-glow: rgba(0, 212, 170, 0.3);
  --accent-alt: #6c63ff;
  --border: rgba(255, 255, 255, 0.06);
  --border-hover: rgba(255, 255, 255, 0.12);
  --radius: 12px;
  --radius-sm: 8px;
  --font-body: 'Outfit', sans-serif;
  --font-mono: 'Space Mono', monospace;
  --max-width: 1100px;
  --transition: 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

/* ===== RESET & BASE ===== */
*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-body);
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

a {
  color: var(--accent);
  text-decoration: none;
  transition: color var(--transition);
}

a:hover {
  color: #33e0be;
}

img {
  max-width: 100%;
  display: block;
}

ul { list-style: none; }

/* ===== ANIMATED WAVE BACKGROUND ===== */
.wave-bg {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
  pointer-events: none;
  overflow: hidden;
}

.wave-bg canvas {
  display: block;
  width: 100%;
  height: 100%;
}

/* ===== LAYOUT ===== */
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 2rem;
  position: relative;
  z-index: 1;
}

section {
  padding: 5rem 0;
}

/* ===== NAVIGATION ===== */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: 1.2rem 0;
  background: rgba(10, 10, 15, 0.8);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  transition: background var(--transition);
}

.navbar .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  font-family: var(--font-mono);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: -0.5px;
}

.logo span {
  color: var(--accent);
}

.nav-links {
  display: flex;
  gap: 2rem;
  align-items: center;
}

.nav-links a {
  color: var(--text-secondary);
  font-size: 0.9rem;
  font-weight: 500;
  letter-spacing: 0.3px;
  position: relative;
  padding-bottom: 2px;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--accent);
  transition: width var(--transition);
}

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

.nav-links a:hover::after,
.nav-links a.active::after {
  width: 100%;
}

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

/* Mobile menu toggle */
.menu-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}

.menu-toggle span {
  width: 24px;
  height: 2px;
  background: var(--text-primary);
  border-radius: 2px;
  transition: var(--transition);
}

/* ===== HERO ===== */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: 5rem;
  position: relative;
}

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

.hero-label {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--accent);
  margin-bottom: 1.2rem;
  letter-spacing: 1px;
  opacity: 0;
  animation: fadeUp 0.6s ease forwards 0.2s;
}

.hero h1 {
  font-size: clamp(2.5rem, 6vw, 4rem);
  font-weight: 700;
  line-height: 1.15;
  margin-bottom: 1.5rem;
  letter-spacing: -1.5px;
  opacity: 0;
  animation: fadeUp 0.6s ease forwards 0.4s;
}

.hero h1 .highlight {
  background: linear-gradient(135deg, var(--accent), var(--accent-alt));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero p {
  font-size: 1.15rem;
  color: var(--text-secondary);
  max-width: 520px;
  margin-bottom: 2.5rem;
  opacity: 0;
  animation: fadeUp 0.6s ease forwards 0.6s;
}

.hero-buttons {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  opacity: 0;
  animation: fadeUp 0.6s ease forwards 0.8s;
}

/* Ambient glow behind hero */
.hero::after {
  content: '';
  position: absolute;
  top: 20%;
  right: -10%;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, var(--accent-dim) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
  z-index: -1;
}

/* ===== BUTTONS ===== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.8rem 1.8rem;
  border-radius: var(--radius-sm);
  font-family: var(--font-body);
  font-size: 0.95rem;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition);
  border: none;
}

.btn-primary {
  background: var(--accent);
  color: var(--bg-primary);
}

.btn-primary:hover {
  background: #33e0be;
  color: var(--bg-primary);
  box-shadow: 0 0 30px var(--accent-glow);
  transform: translateY(-2px);
}

.btn-outline {
  background: transparent;
  color: var(--text-primary);
  border: 1px solid var(--border-hover);
}

.btn-outline:hover {
  border-color: var(--accent);
  color: var(--accent);
  transform: translateY(-2px);
}

/* ===== SECTION HEADERS ===== */
.section-header {
  margin-bottom: 3rem;
}

.section-label {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--accent);
  letter-spacing: 2px;
  text-transform: uppercase;
  margin-bottom: 0.5rem;
}

.section-title {
  font-size: clamp(1.8rem, 4vw, 2.4rem);
  font-weight: 700;
  letter-spacing: -1px;
}

/* ===== CARDS ===== */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 2rem;
  transition: all var(--transition);
}

.card:hover {
  background: var(--bg-card-hover);
  border-color: var(--border-hover);
  transform: translateY(-4px);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

/* ===== PROJECT CARDS ===== */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 1.5rem;
}

.project-card .project-img {
  width: 100%;
  height: 200px;
  background: var(--bg-secondary);
  border-radius: var(--radius-sm);
  margin-bottom: 1.2rem;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  font-family: var(--font-mono);
  font-size: 0.8rem;
}

.project-card .project-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.project-card h3 {
  font-size: 1.2rem;
  margin-bottom: 0.5rem;
  font-weight: 600;
}

.project-card p {
  color: var(--text-secondary);
  font-size: 0.92rem;
  margin-bottom: 1rem;
}

.project-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.tag {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  padding: 0.3rem 0.7rem;
  background: var(--accent-dim);
  color: var(--accent);
  border-radius: 20px;
  letter-spacing: 0.5px;
}

/* ===== ABOUT / INTERESTS ===== */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
  align-items: start;
}

.about-text p {
  color: var(--text-secondary);
  margin-bottom: 1rem;
  font-size: 1.02rem;
}

.interests-list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.8rem;
}

.interest-item {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.8rem 1rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  transition: all var(--transition);
}

.interest-item:hover {
  border-color: var(--accent);
  background: var(--bg-card-hover);
}

.interest-icon {
  font-size: 1.3rem;
}

/* ===== CONTACT ===== */
.contact-wrapper {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
}

.contact-info-card {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1.2rem 1.5rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  margin-bottom: 1rem;
  transition: all var(--transition);
}

.contact-info-card:hover {
  border-color: var(--accent);
}

.contact-icon {
  font-size: 1.4rem;
}

.contact-info-card .label {
  font-size: 0.75rem;
  color: var(--text-muted);
  font-family: var(--font-mono);
  text-transform: uppercase;
  letter-spacing: 1px;
}

.contact-info-card .value {
  font-size: 0.95rem;
  color: var(--text-primary);
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 0.9rem 1.2rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: 0.95rem;
  transition: border-color var(--transition);
  outline: none;
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: var(--text-muted);
}

.form-group input:focus,
.form-group textarea:focus {
  border-color: var(--accent);
}

.form-group textarea {
  resize: vertical;
  min-height: 140px;
}

/* ===== FOOTER ===== */
.footer {
  padding: 2.5rem 0;
  border-top: 1px solid var(--border);
  text-align: center;
}

.footer p {
  color: var(--text-muted);
  font-size: 0.85rem;
}

.footer-links {
  display: flex;
  justify-content: center;
  gap: 1.5rem;
  margin-top: 0.8rem;
}

.footer-links a {
  color: var(--text-secondary);
  font-size: 0.85rem;
}

/* ===== ANIMATIONS ===== */
@keyframes fadeUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.fade-in {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
  .nav-links {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    background: rgba(10, 10, 15, 0.95);
    backdrop-filter: blur(20px);
    padding: 1.5rem 2rem;
    gap: 1rem;
    border-bottom: 1px solid var(--border);
  }

  .nav-links.open {
    display: flex;
  }

  .menu-toggle {
    display: flex;
  }

  .about-grid,
  .contact-wrapper {
    grid-template-columns: 1fr;
  }

  .projects-grid {
    grid-template-columns: 1fr;
  }

  .hero-buttons {
    flex-direction: column;
  }

  .btn {
    text-align: center;
    justify-content: center;
  }

  section {
    padding: 3.5rem 0;
  }
}