@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&family=JetBrains+Mono:wght@400;500;700&display=swap');

:root {
  --bg-primary: #0a0a0f;
  --bg-secondary: #12121a;
  --bg-card: rgba(255,255,255,0.03);
  --bg-glass: rgba(255,255,255,0.05);
  --text-primary: #e8e8ef;
  --text-secondary: #8b8b9e;
  --text-muted: #5a5a6e;
  --accent: #00d4ff;
  --accent2: #7c3aed;
  --accent-glow: rgba(0,212,255,0.15);
  --gradient: linear-gradient(135deg, #00d4ff, #7c3aed);
  --gradient2: linear-gradient(135deg, #7c3aed, #f43f5e);
  --border: rgba(255,255,255,0.06);
  --radius: 16px;
  --radius-sm: 10px;
  --font: 'Inter', sans-serif;
  --mono: 'JetBrains Mono', monospace;
}

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

html { scroll-behavior: smooth; scroll-padding-top: 80px; }

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

a { color: inherit; text-decoration: none; }
ul { list-style: none; }
img { max-width: 100%; display: block; }

.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }

/* ===== NAVBAR ===== */
.navbar {
  position: fixed; top: 0; left: 0; width: 100%; z-index: 1000;
  padding: 16px 0;
  background: rgba(10,10,15,0.8);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  transition: all 0.3s;
}
.navbar.scrolled { padding: 10px 0; background: rgba(10,10,15,0.95); }
.nav-content { display: flex; align-items: center; justify-content: space-between; }
.nav-logo {
  font-size: 1.5rem; font-weight: 800;
  background: var(--gradient); -webkit-background-clip: text; -webkit-text-fill-color: transparent;
}
.nav-links { display: flex; gap: 32px; align-items: center; }
.nav-links a {
  font-size: 0.9rem; font-weight: 500; color: var(--text-secondary);
  transition: color 0.3s; position: relative;
}
.nav-links a:hover, .nav-links a.active { color: var(--accent); }
.nav-links a::after {
  content:''; position:absolute; bottom:-4px; left:0; width:0; height:2px;
  background: var(--gradient); transition: width 0.3s;
}
.nav-links a:hover::after { width: 100%; }

.btn-hire {
  padding: 10px 24px; border-radius: 50px; font-weight: 600; font-size: 0.85rem;
  background: var(--gradient); color: #fff; border: none; cursor: pointer;
  transition: transform 0.3s, box-shadow 0.3s;
}
.btn-hire:hover { transform: translateY(-2px); box-shadow: 0 8px 30px var(--accent-glow); }

.hamburger { display:none; flex-direction:column; gap:5px; cursor:pointer; background:none; border:none; }
.hamburger span { width:24px; height:2px; background: var(--text-primary); transition: 0.3s; border-radius: 2px; }

/* ===== HERO ===== */
.hero {
  min-height: 100vh; display: flex; align-items: center;
  padding-top: 80px; position: relative; overflow: hidden;
}
.hero-bg {
  position:absolute; inset:0; z-index:0;
  background: radial-gradient(ellipse at 20% 50%, rgba(0,212,255,0.08) 0%, transparent 60%),
              radial-gradient(ellipse at 80% 20%, rgba(124,58,237,0.08) 0%, transparent 60%);
}
#particles-canvas { position:absolute; inset:0; z-index:0; }
.hero-content { position:relative; z-index:1; display:grid; grid-template-columns:1fr 1fr; gap:60px; align-items:center; }
.hero-text h4 { color: var(--accent); font-size: 1rem; font-weight: 500; margin-bottom: 12px; letter-spacing: 2px; text-transform: uppercase; }
.hero-text h1 { font-size: 3.5rem; font-weight: 900; line-height: 1.1; margin-bottom: 16px; }
.hero-text h1 span { background: var(--gradient); -webkit-background-clip:text; -webkit-text-fill-color:transparent; }
.typing-wrapper { font-size: 1.2rem; color: var(--text-secondary); margin-bottom: 32px; min-height: 30px; }
.typing-wrapper .cursor { animation: blink 1s infinite; color: var(--accent); }
@keyframes blink { 0%,50%{opacity:1}51%,100%{opacity:0} }
.hero-btns { display: flex; gap: 16px; margin-bottom: 32px; }
.btn-primary {
  padding: 14px 32px; border-radius: 50px; font-weight: 600; font-size: 0.95rem;
  background: var(--gradient); color: #fff; border: none; cursor: pointer;
  transition: transform 0.3s, box-shadow 0.3s; display: inline-flex; align-items: center; gap: 8px;
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 8px 30px var(--accent-glow); }
.btn-outline {
  padding: 14px 32px; border-radius: 50px; font-weight: 600; font-size: 0.95rem;
  background: transparent; color: var(--text-primary); border: 1px solid var(--border);
  cursor: pointer; transition: all 0.3s; display: inline-flex; align-items: center; gap: 8px;
}
.btn-outline:hover { border-color: var(--accent); color: var(--accent); }
.hero-socials { display: flex; gap: 16px; }
.hero-socials a {
  width: 44px; height: 44px; border-radius: 12px; border: 1px solid var(--border);
  display: flex; align-items: center; justify-content: center;
  color: var(--text-secondary); font-size: 1.2rem; transition: all 0.3s;
}
.hero-socials a:hover { border-color: var(--accent); color: var(--accent); background: var(--accent-glow); transform: translateY(-3px); }
.hero-image { display: flex; justify-content: center; align-items: center; }
.hero-img-wrapper {
  width: 350px; height: 350px; border-radius: 50%; position: relative;
  background: var(--gradient); padding: 4px;
}
.hero-img-wrapper::before {
  content:''; position:absolute; inset:-8px; border-radius:50%;
  background: var(--gradient); opacity:0.3; filter:blur(20px); z-index:-1;
  animation: pulse-glow 3s ease-in-out infinite;
}
@keyframes pulse-glow { 0%,100%{opacity:0.3;transform:scale(1)}50%{opacity:0.5;transform:scale(1.05)} }
.hero-img-wrapper img { width:100%; height:100%; border-radius:50%; object-fit:cover; }

/* ===== SECTIONS ===== */
section { padding: 100px 0; }
.section-header { text-align: center; margin-bottom: 60px; }
.section-header h2 { font-size: 2.5rem; font-weight: 800; margin-bottom: 12px; }
.section-header h2 span { background: var(--gradient); -webkit-background-clip:text; -webkit-text-fill-color:transparent; }
.section-header p { color: var(--text-secondary); max-width: 500px; margin: 0 auto; }
.section-line { width: 60px; height: 4px; background: var(--gradient); border-radius: 4px; margin: 16px auto 0; }

/* ===== ABOUT ===== */
.about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; }
.about-text p { color: var(--text-secondary); margin-bottom: 20px; font-size: 1.05rem; }
.about-text .location { display: flex; align-items: center; gap: 8px; color: var(--accent); font-weight: 500; margin-bottom: 24px; }
.stats-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
.stat-card {
  background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 24px; text-align: center; transition: all 0.3s;
}
.stat-card:hover { border-color: var(--accent); transform: translateY(-4px); background: var(--accent-glow); }
.stat-card .stat-number { font-family: var(--mono); font-size: 2rem; font-weight: 700; background: var(--gradient); -webkit-background-clip:text; -webkit-text-fill-color:transparent; }
.stat-card .stat-label { font-size: 0.85rem; color: var(--text-secondary); margin-top: 4px; }

/* ===== SKILLS ===== */
.skills-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 24px; }
.skill-category {
  background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 32px; transition: all 0.3s;
}
.skill-category:hover { border-color: var(--accent); transform: translateY(-4px); }
.skill-category h3 { font-size: 1.1rem; margin-bottom: 20px; display: flex; align-items: center; gap: 10px; }
.skill-category h3 .icon { font-size: 1.4rem; }
.skill-chips { display: flex; flex-wrap: wrap; gap: 10px; }
.skill-chip {
  padding: 8px 16px; border-radius: 50px; font-size: 0.82rem; font-weight: 500;
  background: var(--bg-glass); border: 1px solid var(--border); color: var(--text-secondary);
  transition: all 0.3s; cursor: default;
}
.skill-chip:hover { border-color: var(--accent); color: var(--accent); background: var(--accent-glow); transform: scale(1.05); }

/* ===== CODING PROFILES ===== */
.profiles-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 24px; }
.profile-card {
  background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 32px; display: flex; flex-direction: column; align-items: center;
  text-align: center; gap: 16px; transition: all 0.3s;
}
.profile-card:hover { border-color: var(--accent); transform: translateY(-4px); box-shadow: 0 12px 40px rgba(0,0,0,0.3); }
.profile-icon { font-size: 2.8rem; }
.profile-info { width: 100%; }
.profile-info h3 { font-size: 1.25rem; margin-bottom: 12px; }
.profile-info .profile-stats {
  font-family: var(--mono); font-size: 0.82rem; color: var(--accent); font-weight: 600;
  margin-top: 12px; line-height: 1.6;
}
.profile-mini-stats { display: flex; flex-wrap: wrap; justify-content: center; gap: 10px; margin-bottom: 4px; }
.mini-stat {
  padding: 6px 16px; border-radius: 50px; font-size: 0.85rem;
  background: var(--bg-glass); border: 1px solid var(--border); color: var(--text-secondary);
}
.mini-stat strong { color: var(--accent); font-family: var(--mono); font-weight: 700; }
.profile-link {
  padding: 10px 28px; border-radius: 50px; font-size: 0.85rem;
  border: 1px solid var(--border); color: var(--text-secondary); transition: all 0.3s;
  font-weight: 500; margin-top: auto;
}
.profile-link:hover { border-color: var(--accent); color: var(--accent); background: var(--accent-glow); }

/* ===== PROJECTS ===== */
.projects-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 24px; }
.project-card {
  background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius);
  overflow: hidden; transition: all 0.4s; position: relative;
}
.project-card:hover { border-color: var(--accent); transform: translateY(-6px); box-shadow: 0 20px 60px rgba(0,0,0,0.4); }
.project-img { height: 200px; overflow: hidden; position: relative; }
.project-img img { width:100%; height:100%; object-fit:cover; transition: transform 0.5s; }
.project-card:hover .project-img img { transform: scale(1.1); }
.project-overlay {
  position:absolute; inset:0; background: linear-gradient(to top, rgba(10,10,15,0.9), transparent);
  display:flex; align-items:flex-end; padding:20px; opacity:0; transition:0.4s;
}
.project-card:hover .project-overlay { opacity: 1; }
.project-overlay a {
  padding: 8px 16px; border-radius: 50px; font-size: 0.8rem; background: var(--gradient);
  color: #fff; font-weight: 600; display: inline-flex; align-items: center; gap: 6px;
}
.project-body { padding: 24px; }
.project-body h3 { font-size: 1.15rem; margin-bottom: 8px; }
.project-body p { font-size: 0.9rem; color: var(--text-secondary); margin-bottom: 16px; line-height: 1.5; }
.project-tech { display: flex; flex-wrap: wrap; gap: 8px; }
.project-tech span {
  padding: 4px 12px; border-radius: 50px; font-size: 0.75rem;
  background: var(--bg-glass); border: 1px solid var(--border); color: var(--text-muted);
}

/* ===== EXPERIENCE TIMELINE ===== */
.timeline { position: relative; max-width: 700px; margin: 0 auto; }
.timeline::before { content:''; position:absolute; left:20px; top:0; bottom:0; width:2px; background: var(--border); }
.timeline-item { position: relative; padding-left: 56px; margin-bottom: 40px; }
.timeline-dot {
  position:absolute; left:12px; top:4px; width:18px; height:18px; border-radius:50%;
  background: var(--gradient); border: 3px solid var(--bg-primary);
}
.timeline-item h3 { font-size: 1.1rem; margin-bottom: 4px; }
.timeline-item .company { color: var(--accent); font-weight: 500; font-size: 0.95rem; }
.timeline-item .date { color: var(--text-muted); font-size: 0.85rem; margin-bottom: 8px; }
.timeline-item p { color: var(--text-secondary); font-size: 0.9rem; }
.timeline-badge {
  display: inline-block; padding: 4px 12px; border-radius: 50px; font-size: 0.75rem;
  background: rgba(124,58,237,0.15); color: #a78bfa; border: 1px solid rgba(124,58,237,0.3); margin-top: 8px;
}

/* ===== ACHIEVEMENTS ===== */
.achievements-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 24px; }
.achievement-card {
  background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 28px; text-align: center; transition: all 0.3s;
}
.achievement-card:hover { border-color: var(--accent); transform: translateY(-4px); }
.achievement-card .ach-icon { font-size: 2.5rem; margin-bottom: 16px; }
.achievement-card h3 { font-size: 1rem; margin-bottom: 8px; }
.achievement-card p { color: var(--text-secondary); font-size: 0.85rem; }

/* ===== CONTACT ===== */
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; }
.contact-info-list { display: flex; flex-direction: column; gap: 24px; }
.contact-item { display: flex; align-items: center; gap: 16px; }
.contact-icon {
  width: 52px; height: 52px; border-radius: 14px; background: var(--bg-card); border: 1px solid var(--border);
  display: flex; align-items: center; justify-content: center; font-size: 1.3rem; flex-shrink: 0;
}
.contact-item h4 { font-size: 0.9rem; margin-bottom: 2px; }
.contact-item p, .contact-item a { color: var(--text-secondary); font-size: 0.9rem; }
.contact-item a:hover { color: var(--accent); }
.contact-form { display: flex; flex-direction: column; gap: 16px; }
.contact-form input, .contact-form textarea {
  width: 100%; padding: 14px 20px; border-radius: var(--radius-sm); font-size: 0.95rem;
  background: var(--bg-card); border: 1px solid var(--border); color: var(--text-primary);
  font-family: var(--font); transition: border-color 0.3s; outline: none;
}
.contact-form input:focus, .contact-form textarea:focus { border-color: var(--accent); }
.contact-form textarea { resize: vertical; min-height: 140px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }

/* ===== FOOTER ===== */
.footer { padding: 40px 0; border-top: 1px solid var(--border); text-align: center; }
.footer p { color: var(--text-muted); font-size: 0.85rem; }
.footer-socials { display: flex; justify-content: center; gap: 16px; margin-bottom: 16px; }
.footer-socials a { color: var(--text-muted); font-size: 1.2rem; transition: color 0.3s; }
.footer-socials a:hover { color: var(--accent); }
.back-to-top {
  position: fixed; bottom: 30px; right: 30px; width: 44px; height: 44px;
  border-radius: 12px; background: var(--gradient); color: #fff; border: none;
  cursor: pointer; font-size: 1.2rem; display: none; align-items: center; justify-content: center;
  transition: transform 0.3s; z-index: 999;
}
.back-to-top.visible { display: flex; }
.back-to-top:hover { transform: translateY(-3px); }

/* ===== SCROLL REVEAL ===== */
.reveal { opacity: 0; transform: translateY(30px); transition: all 0.8s cubic-bezier(0.16, 1, 0.3, 1); }
.reveal.active { opacity: 1; transform: translateY(0); }

/* ===== RESPONSIVE ===== */

/* ----- Tablet (1024px) ----- */
@media (max-width: 1024px) {
  .container { padding: 0 20px; }
  .hero-content { gap: 40px; }
  .hero-text h1 { font-size: 2.8rem; }
  .hero-img-wrapper { width: 300px; height: 300px; }
  section { padding: 80px 0; }
  .about-grid { gap: 40px; }
  .skills-grid,
  .projects-grid,
  .profiles-grid,
  .achievements-grid { grid-template-columns: repeat(2, 1fr); }
}

/* ----- Mobile (768px) ----- */
@media (max-width: 768px) {
  .nav-links {
    display: none; position: fixed; top: 0; left: 0; width: 100%; height: 100vh;
    flex-direction: column; background: rgba(10,10,15,0.98); justify-content: center;
    align-items: center; gap: 32px; z-index: 998;
  }
  .nav-links.open { display: flex; }
  .nav-links a { font-size: 1.2rem; }
  .hamburger { display: flex; z-index: 999; }
  .btn-hire { display: none; }

  .hero { min-height: auto; padding: 120px 0 60px; }
  .hero-content { grid-template-columns: 1fr; text-align: center; gap: 32px; }
  .hero-text h1 { font-size: 2.2rem; }
  .hero-text h4 { font-size: 0.9rem; }
  .typing-wrapper { font-size: 1rem; }
  .hero-btns { justify-content: center; flex-wrap: wrap; }
  .hero-socials { justify-content: center; }
  .hero-image { order: -1; }
  .hero-img-wrapper { width: 220px; height: 220px; }

  section { padding: 60px 0; }
  .section-header { margin-bottom: 40px; }
  .section-header h2 { font-size: 1.8rem; }
  .section-header p { font-size: 0.9rem; }

  .about-grid { grid-template-columns: 1fr; gap: 32px; }
  .about-text p { font-size: 0.95rem; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 12px; }
  .stat-card { padding: 18px; }
  .stat-card .stat-number { font-size: 1.6rem; }

  .skills-grid { grid-template-columns: 1fr; }
  .skill-category { padding: 24px; }

  .profiles-grid { grid-template-columns: 1fr; }
  .profile-card { padding: 24px; }

  .projects-grid { grid-template-columns: 1fr; }
  .project-img { height: 180px; }

  .timeline { padding-left: 0; }
  .timeline-item { padding-left: 48px; }

  .achievements-grid { grid-template-columns: repeat(2, 1fr); }
  .achievement-card { padding: 20px; }

  .contact-grid { grid-template-columns: 1fr; gap: 32px; }
  .form-row { grid-template-columns: 1fr; }
  .contact-form input, .contact-form textarea { padding: 12px 16px; font-size: 0.9rem; }

  .back-to-top { bottom: 20px; right: 20px; width: 40px; height: 40px; font-size: 1rem; }
}

/* ----- Small Mobile (480px) ----- */
@media (max-width: 480px) {
  .container { padding: 0 16px; }

  .hero { padding: 100px 0 40px; }
  .hero-text h1 { font-size: 1.8rem; }
  .typing-wrapper { font-size: 0.9rem; margin-bottom: 24px; }
  .hero-img-wrapper { width: 180px; height: 180px; }
  .btn-primary, .btn-outline { padding: 12px 24px; font-size: 0.85rem; }
  .hero-btns { gap: 10px; }
  .hero-socials a { width: 38px; height: 38px; font-size: 1rem; }

  section { padding: 48px 0; }
  .section-header h2 { font-size: 1.5rem; }

  .stats-grid { grid-template-columns: 1fr 1fr; gap: 10px; }
  .stat-card { padding: 14px; }
  .stat-card .stat-number { font-size: 1.4rem; }
  .stat-card .stat-label { font-size: 0.75rem; }

  .skill-category { padding: 20px; }
  .skill-category h3 { font-size: 1rem; }
  .skill-chip { padding: 6px 12px; font-size: 0.78rem; }

  .profile-card { padding: 20px; }
  .profile-info h3 { font-size: 1.1rem; }
  .mini-stat { padding: 4px 10px; font-size: 0.78rem; }
  .profile-info .profile-stats { font-size: 0.75rem; }

  .project-img { height: 160px; }
  .project-body { padding: 18px; }
  .project-body h3 { font-size: 1rem; }
  .project-body p { font-size: 0.85rem; }

  .achievements-grid { grid-template-columns: 1fr; }
  .achievement-card .ach-icon { font-size: 2rem; }
  .achievement-card h3 { font-size: 0.9rem; }

  .timeline-item { padding-left: 44px; margin-bottom: 28px; }
  .timeline-item h3 { font-size: 1rem; }
  .timeline-item .company { font-size: 0.85rem; }
  .timeline-item p { font-size: 0.85rem; }

  .contact-icon { width: 44px; height: 44px; font-size: 1.1rem; }
  .contact-item h4 { font-size: 0.85rem; }
  .contact-item p, .contact-item a { font-size: 0.85rem; }

  .footer p { font-size: 0.8rem; }
}