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

:root {
  --bg-primary: #0a0a0f;
  --bg-secondary: #12121a;
  --bg-card: rgba(255,255,255,0.04);
  --glass: rgba(255,255,255,0.06);
  --glass-border: rgba(255,255,255,0.08);
  --text-primary: #f0f0f5;
  --text-secondary: #8888a0;
  --accent: #7c5cfc;
  --accent-light: #a78bfa;
  --accent-glow: rgba(124,92,252,0.35);
  --pink: #f472b6;
  --cyan: #22d3ee;
  --green: #34d399;
  --gradient-1: linear-gradient(135deg, #7c5cfc, #f472b6);
  --gradient-2: linear-gradient(135deg, #22d3ee, #7c5cfc);
  --radius: 16px;
  --transition: .35s cubic-bezier(.4,0,.2,1);
}

body.light-mode {
  --bg-primary: #f8fafc;
  --bg-secondary: #f1f5f9;
  --bg-card: rgba(0,0,0,0.02);
  --glass: rgba(255,255,255,0.7);
  --glass-border: rgba(0,0,0,0.06);
  --text-primary: #0f172a;
  --text-secondary: #64748b;
  --accent-glow: rgba(124,92,252,0.15);
}

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

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

body {
  font-family: 'Inter', sans-serif;
  background: var(--bg-primary);
  color: var(--text-primary);
  overflow-x: hidden;
  line-height: 1.7;
  transition: background-color 0.4s ease, color 0.4s ease;
}

/* ===== PRELOADER ===== */
.preloader {
  position: fixed; inset: 0; z-index: 9999;
  background: var(--bg-primary);
  display: flex; align-items: center; justify-content: center; flex-direction: column; gap: 20px;
  transition: opacity .6s, visibility .6s;
}
.preloader.hidden { opacity: 0; visibility: hidden; pointer-events: none; }
.preloader-ring {
  width: 56px; height: 56px; border-radius: 50%;
  border: 3px solid var(--glass-border);
  border-top-color: var(--accent); border-right-color: var(--pink);
  animation: spin .8s linear infinite;
}
.preloader::after {
  content: 'Loading...'; font-family: 'Space Grotesk', sans-serif; font-size: .85rem;
  color: var(--text-secondary); letter-spacing: 3px; text-transform: uppercase;
  animation: pulse-text 1.5s ease-in-out infinite;
}
@keyframes pulse-text { 0%,100%{ opacity:.4; } 50%{ opacity:1; } }
@keyframes spin { to { transform: rotate(360deg); } }

/* ===== CURSOR ===== */
.cursor-dot {
  width: 8px; height: 8px; background: var(--accent);
  border-radius: 50%; position: fixed; pointer-events: none;
  z-index: 10000; transition: transform .15s;
}
.cursor-ring {
  width: 36px; height: 36px; border: 1.5px solid var(--accent-light);
  border-radius: 50%; position: fixed; pointer-events: none;
  z-index: 10000; transition: transform .25s, width .3s, height .3s, border-color .3s;
  transform: translate(-14px, -14px);
}
.cursor-ring.hover { width: 52px; height: 52px; border-color: var(--pink); transform: translate(-22px, -22px); }

/* ===== BACKGROUND EFFECTS ===== */
.bg-grid {
  position: fixed; inset: 0; z-index: 0; pointer-events: none;
  background-image:
    linear-gradient(var(--bg-grid-color, rgba(255,255,255,.02)) 1px, transparent 1px),
    linear-gradient(90deg, var(--bg-grid-color, rgba(255,255,255,.02)) 1px, transparent 1px);
  background-size: 60px 60px;
}
body.light-mode .bg-grid { --bg-grid-color: rgba(0,0,0,.03); }
.bg-glow {
  position: fixed; width: 600px; height: 600px; border-radius: 50%;
  filter: blur(120px); opacity: .12; pointer-events: none; z-index: 0;
}
.bg-glow-1 { background: var(--accent); top: -200px; right: -100px; }
.bg-glow-2 { background: var(--pink); bottom: -200px; left: -100px; }

/* ===== NAVBAR ===== */
.navbar {
  position: fixed; top: 0; width: 100%; z-index: 1000; padding: 16px 0;
  transition: background .3s, box-shadow .3s, padding .3s;
}
.navbar.scrolled {
  background: rgba(10,10,15,.85); backdrop-filter: blur(16px);
  box-shadow: 0 1px 0 var(--glass-border); padding: 10px 0;
}
.nav-container {
  max-width: 1200px; margin: 0 auto; padding: 0 24px;
  display: flex; align-items: center; justify-content: space-between;
}
.nav-logo {
  font-family: 'Space Grotesk', sans-serif; font-weight: 700; font-size: 1.5rem;
  background: var(--gradient-1); -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  text-decoration: none;
}
.nav-links { display: flex; gap: 32px; list-style: none; }
.nav-links a {
  color: var(--text-secondary); text-decoration: none; font-size: .875rem;
  font-weight: 500; position: relative; transition: color var(--transition);
}
.nav-links a::after {
  content: ''; position: absolute; bottom: -4px; left: 0; width: 0; height: 2px;
  background: var(--gradient-1); transition: width var(--transition);
}
.nav-links a:hover, .nav-links a.active { color: var(--text-primary); }
.nav-links a:hover::after, .nav-links a.active::after { width: 100%; }

.menu-toggle { display: none; background: none; border: none; cursor: pointer; padding: 4px; }
.menu-toggle span {
  display: block; width: 24px; height: 2px; background: var(--text-primary);
  margin: 5px 0; transition: var(--transition); border-radius: 2px;
}
.menu-toggle.active span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.menu-toggle.active span:nth-child(2) { opacity: 0; }
.menu-toggle.active span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

/* ===== THEME TOGGLE ===== */
.theme-toggle {
  background: var(--glass);
  border: 1px solid var(--glass-border);
  color: var(--text-primary);
  width: 40px;
  height: 40px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: var(--transition);
  margin-left: 15px;
  backdrop-filter: blur(10px);
}
.theme-toggle:hover { border-color: var(--accent); transform: translateY(-2px); }
.theme-toggle i { font-size: 1.1rem; }
body.light-mode .fa-moon { display: none; }
body:not(.light-mode) .fa-sun { display: none; }

/* ===== HERO ===== */
.hero {
  min-height: 100vh; display: flex; align-items: center; position: relative; z-index: 1;
  padding: 120px 24px 80px;
}
.hero-container {
  max-width: 1200px; margin: 0 auto; width: 100%;
  display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center;
}
.hero-badge {
  display: inline-flex; align-items: center; gap: 8px; padding: 6px 16px;
  background: var(--glass); border: 1px solid var(--glass-border);
  border-radius: 100px; font-size: .8rem; color: var(--accent-light);
  margin-bottom: 20px;
}
.hero-badge .dot { width: 6px; height: 6px; background: var(--green); border-radius: 50%; animation: pulse-dot 2s infinite; }
@keyframes pulse-dot { 0%,100%{ opacity:1; } 50%{ opacity:.3; } }
.hero h1 { font-family: 'Space Grotesk', sans-serif; font-size: clamp(2.5rem,5vw,4rem); font-weight: 800; line-height: 1.1; margin-bottom: 16px; }
.hero h1 .gradient-text { background: var(--gradient-1); -webkit-background-clip: text; -webkit-text-fill-color: transparent; }
.hero .subtitle { font-size: 1.15rem; color: var(--text-secondary); margin-bottom: 32px; max-width: 480px; }
.hero-btns { display: flex; gap: 16px; flex-wrap: wrap; }
.cv-btns { display: flex; gap: 8px; }
.btn-icon-only { padding: 14px 18px !important; }
.btn-primary {
  padding: 14px 32px; background: var(--gradient-1); color: #fff; border: none;
  border-radius: 12px; font-weight: 600; font-size: .95rem; cursor: pointer;
  transition: transform var(--transition), box-shadow var(--transition);
  text-decoration: none; display: inline-flex; align-items: center; gap: 8px;
  position: relative; overflow: hidden;
}
.btn-primary::before {
  content: ''; position: absolute; top: -50%; left: -60%; width: 40%; height: 200%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,.2), transparent);
  transform: skewX(-20deg); transition: left .6s;
}
.btn-primary:hover::before { left: 120%; }
.btn-primary:hover { transform: translateY(-3px); box-shadow: 0 12px 35px var(--accent-glow); }
.btn-secondary {
  padding: 14px 32px; background: rgba(255,255,255,.03); color: var(--text-primary);
  border: 1px solid var(--glass-border); border-radius: 12px; font-weight: 600;
  font-size: .95rem; cursor: pointer; transition: var(--transition);
  text-decoration: none; display: inline-flex; align-items: center; gap: 8px;
  backdrop-filter: blur(8px);
}
.btn-secondary:hover { border-color: var(--accent); background: rgba(124,92,252,.08); transform: translateY(-2px); }

.hero-image { display: flex; justify-content: center; align-items: center; }
.hero-avatar-wrap {
  position: relative; width: 340px; height: 340px;
}
.hero-avatar-wrap img {
  width: 100%; height: 100%; object-fit: cover; border-radius: 50%;
  border: 3px solid transparent; position: relative; z-index: 2;
  background-clip: padding-box;
}
.avatar-ring {
  position: absolute; inset: -12px; border-radius: 50%; z-index: 1;
  background: conic-gradient(var(--accent), var(--pink), var(--cyan), var(--accent));
  opacity: .5;
  animation: rotate-ring 4s linear infinite;
}
.avatar-ring::after {
  content: ''; position: absolute; inset: 3px; border-radius: 50%; background: var(--bg-primary);
}
@keyframes rotate-ring { to { transform: rotate(360deg); } }
.avatar-glow {
  position: absolute; inset: -40px; border-radius: 50%;
  background: var(--gradient-1); opacity: .18; filter: blur(50px); z-index: 0;
  animation: glow-pulse 3s ease-in-out infinite;
}
@keyframes glow-pulse { 0%,100%{ opacity:.18; transform:scale(1); } 50%{ opacity:.28; transform:scale(1.05); } }
.floating-card {
  position: absolute; background: rgba(255,255,255,.07); backdrop-filter: blur(16px);
  border: 1px solid rgba(255,255,255,.12); border-radius: 14px; padding: 12px 18px;
  font-size: .8rem; color: var(--text-primary); z-index: 3;
  animation: float 3s ease-in-out infinite;
  box-shadow: 0 8px 32px rgba(0,0,0,.2);
}
.floating-card.fc-1 { top: 20px; right: -30px; animation-delay: 0s; }
.floating-card.fc-2 { bottom: 40px; left: -40px; animation-delay: 1s; }
.floating-card .fc-icon { font-size: 1.2rem; margin-right: 6px; }
@keyframes float {
  0%,100%{ transform: translateY(0); } 50%{ transform: translateY(-12px); }
}

/* ===== SECTIONS COMMON ===== */
section { position: relative; z-index: 1; padding: 100px 24px; }
.section-container { max-width: 1200px; margin: 0 auto; }
.section-label {
  display: inline-flex; align-items: center; gap: 8px; font-size: .75rem;
  text-transform: uppercase; letter-spacing: 2px; color: var(--accent-light);
  margin-bottom: 12px; font-weight: 600;
}
.section-label::before {
  content: ''; width: 24px; height: 2px; background: var(--gradient-1);
}
.section-title {
  font-family: 'Space Grotesk', sans-serif; font-size: clamp(1.8rem,3.5vw,2.8rem);
  font-weight: 700; margin-bottom: 48px;
}

/* ===== ABOUT ===== */
.about-grid { display: grid; grid-template-columns: 1.2fr 1fr; gap: 60px; align-items: center; }
.about-text p { color: var(--text-secondary); margin-bottom: 20px; font-size: 1.05rem; line-height: 1.7; }
.about-stats-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin-top: 32px; }
.stat-mini { 
  background: var(--glass); border: 1px solid var(--glass-border); 
  padding: 16px; border-radius: 12px; text-align: center;
}
.stat-val { display: block; font-size: 1.8rem; font-weight: 700; color: var(--text-primary); font-family: 'Space Grotesk', sans-serif; }
.stat-lab { font-size: .75rem; color: var(--text-secondary); text-transform: uppercase; letter-spacing: 1px; }

.about-visual { position: relative; display: flex; justify-content: center; align-items: center; }
.visual-card {
  background: var(--glass); border: 1px solid var(--accent);
  padding: 32px; border-radius: 20px; text-align: center; z-index: 2;
  box-shadow: 0 20px 40px rgba(0,0,0,0.3); backdrop-filter: blur(20px);
}
.visual-icon { font-size: 2.5rem; margin-bottom: 16px; background: var(--gradient-1); -webkit-background-clip: text; -webkit-text-fill-color: transparent; }
.visual-card h3 { font-size: 1.4rem; margin-bottom: 8px; }
.visual-card p { font-size: .9rem; color: var(--text-secondary); margin-bottom: 16px; }
.visual-badge { 
  display: inline-block; padding: 6px 12px; background: var(--gradient-2); 
  border-radius: 20px; font-size: .75rem; font-weight: 600; color: #fff;
}
.visual-shapes .shape { position: absolute; border-radius: 50%; filter: blur(40px); z-index: 1; opacity: 0.3; }
.shape.s1 { width: 150px; height: 150px; background: var(--accent); top: -20px; left: -20px; animation: float 4s ease-in-out infinite; }
.shape.s2 { width: 120px; height: 120px; background: var(--pink); bottom: -20px; right: -20px; animation: float 4s ease-in-out infinite reverse; }

/* ===== SKILLS ===== */
.skills-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px,1fr)); gap: 24px; }
.skill-category {
  background: var(--glass); border: 1px solid var(--glass-border);
  border-radius: var(--radius); padding: 28px; transition: var(--transition);
  position: relative; overflow: hidden;
}
.skill-category::after {
  content: ''; position: absolute; top: -50%; right: -50%; width: 100%; height: 100%;
  background: radial-gradient(circle, rgba(124,92,252,.08), transparent 70%);
  opacity: 0; transition: opacity .4s;
}
.skill-category:hover::after { opacity: 1; }
.skill-category:hover { border-color: var(--accent); transform: translateY(-4px); box-shadow: 0 12px 35px rgba(0,0,0,.3); }
.skill-cat-header { display: flex; align-items: center; gap: 12px; margin-bottom: 20px; }
.skill-cat-icon {
  width: 44px; height: 44px; border-radius: 12px; display: flex; align-items: center;
  justify-content: center; font-size: 1.3rem;
}
.skill-cat-icon.code { background: rgba(124,92,252,.15); }
.skill-cat-icon.framework { background: rgba(34,211,238,.15); }
.skill-cat-icon.tool { background: rgba(244,114,182,.15); }
.skill-cat-icon.design { background: rgba(52,211,153,.15); }
.skill-cat-title { font-weight: 600; font-size: 1.05rem; }
.skill-tags { display: flex; flex-wrap: wrap; gap: 8px; }
.skill-tag {
  padding: 6px 14px; background: rgba(255,255,255,.04); border: 1px solid var(--glass-border);
  border-radius: 8px; font-size: .8rem; color: var(--text-secondary); transition: var(--transition);
}
.skill-tag:hover { border-color: var(--accent); color: var(--text-primary); background: rgba(124,92,252,.1); }

/* ===== PROJECTS ===== */
.projects-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(340px,1fr)); gap: 24px; }
.project-card {
  background: var(--glass); border: 1px solid var(--glass-border);
  border-radius: var(--radius); overflow: hidden; transition: var(--transition);
  display: flex; flex-direction: column; position: relative;
}
.project-card::before {
  content: ''; position: absolute; inset: 0; border-radius: var(--radius);
  background: linear-gradient(135deg, rgba(124,92,252,.06), transparent 60%);
  opacity: 0; transition: opacity .4s; z-index: 0;
}
.project-card:hover::before { opacity: 1; }
.project-card:hover { border-color: var(--accent); transform: translateY(-8px); box-shadow: 0 25px 50px rgba(0,0,0,.4), 0 0 30px rgba(124,92,252,.08); }
.project-thumb {
  height: 220px; background: var(--bg-secondary); position: relative; overflow: hidden;
  display: flex; align-items: center; justify-content: center;
}
.project-thumb i { font-size: 4rem; opacity: 0.8; z-index: 2; transition: transform .5s cubic-bezier(.175, .885, .32, 1.275); }
.project-card:hover .project-thumb i { transform: scale(1.2) rotate(5deg); }
.project-thumb-gradient {
  position: absolute; inset: 0;
  display: flex; align-items: center; justify-content: center;
}
.project-thumb-gradient::after {
  content: ''; position: absolute; inset: 0;
  background: radial-gradient(circle at center, transparent 30%, rgba(10,10,15,0.4));
}
.project-thumb-gradient.g1 { background: linear-gradient(135deg, #7c5cfc, #f472b6); }
.project-thumb-gradient.g2 { background: linear-gradient(135deg, #22d3ee, #7c5cfc); }
.project-thumb-gradient.g3 { background: linear-gradient(135deg, #f472b6, #fb7185); }
.project-thumb-gradient.g4 { background: linear-gradient(135deg, #34d399, #22d3ee); }
.project-body { padding: 24px; flex: 1; display: flex; flex-direction: column; position: relative; z-index: 2; }
.project-type { font-size: .7rem; text-transform: uppercase; letter-spacing: 1.5px; color: var(--accent-light); margin-bottom: 8px; font-weight: 600; }
.project-title { font-family: 'Space Grotesk', sans-serif; font-size: 1.2rem; font-weight: 600; margin-bottom: 10px; }
.project-desc { font-size: .88rem; color: var(--text-secondary); margin-bottom: 16px; flex: 1; }
.project-techs { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 16px; }
.project-tech {
  padding: 4px 10px; background: rgba(255,255,255,.04); border-radius: 6px;
  font-size: .72rem; color: var(--text-secondary);
}
.project-links { display: flex; gap: 12px; position: relative; z-index: 3; }
.project-link {
  font-size: .82rem; color: var(--accent-light); text-decoration: none;
  display: flex; align-items: center; gap: 4px; transition: color var(--transition);
  cursor: pointer;
}
.project-link:hover { color: var(--text-primary); }

/* ===== EDUCATION & CERTIFICATIONS ===== */
.timeline { position: relative; padding-left: 32px; }
.timeline::before {
  content: ''; position: absolute; left: 7px; top: 0; bottom: 0;
  width: 2px; background: var(--glass-border);
}
.timeline-item { position: relative; margin-bottom: 40px; }
.timeline-dot {
  position: absolute; left: -32px; top: 6px; width: 16px; height: 16px;
  border-radius: 50%; border: 3px solid var(--accent); background: var(--bg-primary);
}
.timeline-date { font-size: .8rem; color: var(--accent-light); margin-bottom: 4px; font-weight: 500; }
.timeline-title { font-family: 'Space Grotesk', sans-serif; font-size: 1.15rem; font-weight: 600; margin-bottom: 4px; }
.timeline-subtitle { font-size: .9rem; color: var(--text-secondary); }
.timeline-detail { font-size: .82rem; color: var(--text-secondary); margin-top: 6px; }

.certs-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px,1fr)); gap: 20px; margin-top: 40px; }
.cert-card {
  background: var(--glass); border: 1px solid var(--glass-border);
  border-radius: var(--radius); padding: 24px; transition: var(--transition);
  position: relative; overflow: hidden;
}
.cert-card::before {
  content: ''; position: absolute; bottom: 0; left: 0; right: 0; height: 3px;
  background: var(--gradient-2); transform: scaleX(0); transition: transform .4s;
}
.cert-card:hover::before { transform: scaleX(1); }
.cert-card:hover { border-color: var(--accent); transform: translateY(-4px); box-shadow: 0 8px 25px rgba(124,92,252,.12); }
.cert-icon {
  font-size: 1.8rem;
  margin-bottom: 16px;
  background: var(--gradient-1);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  display: inline-block;
}
.cert-title { font-weight: 600; font-size: .95rem; margin-bottom: 6px; }
.cert-issuer { font-size: .82rem; color: var(--text-secondary); }
.cert-link { font-size: .8rem; color: var(--accent-light); margin-top: 12px; display: flex; align-items: center; gap: 6px; transition: color var(--transition); }
.cert-card:hover .cert-link { color: var(--text-primary); }

/* ===== CONTACT ===== */
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; }
.contact-info h3 { font-family: 'Space Grotesk', sans-serif; font-size: 1.6rem; margin-bottom: 16px; }
.contact-info p { color: var(--text-secondary); margin-bottom: 32px; }
.contact-item {
  display: flex; align-items: center; gap: 16px; margin-bottom: 20px;
  padding: 16px; background: var(--glass); border: 1px solid var(--glass-border);
  border-radius: 12px; transition: var(--transition);
}
.contact-item:hover { border-color: var(--accent); background: rgba(124,92,252,.05); transform: translateX(6px); }
.contact-icon {
  width: 44px; height: 44px; border-radius: 10px; display: flex;
  align-items: center; justify-content: center; font-size: 1.2rem;
  background: rgba(124,92,252,.12);
}
.contact-label { font-size: .75rem; color: var(--text-secondary); text-transform: uppercase; letter-spacing: 1px; }
.contact-value { font-size: .95rem; margin-top: 2px; }
.contact-value a { color: var(--text-primary); text-decoration: none; }
.contact-value a:hover { color: var(--accent-light); }
.contact-form { display: flex; flex-direction: column; gap: 16px; }
.form-group { position: relative; }
.form-group input, .form-group textarea {
  width: 100%; padding: 14px 18px; background: var(--glass);
  border: 1px solid var(--glass-border); border-radius: 12px;
  color: var(--text-primary); font-family: 'Inter', sans-serif; font-size: .95rem;
  transition: border-color var(--transition); outline: none; resize: vertical;
}
.form-group input:focus, .form-group textarea:focus { border-color: var(--accent); }
.form-group input::placeholder, .form-group textarea::placeholder { color: var(--text-secondary); }

/* ===== FOOTER ===== */
.footer {
  position: relative; z-index: 1; padding: 40px 24px; border-top: 1px solid var(--glass-border);
}
.footer-container {
  max-width: 1200px; margin: 0 auto; display: flex;
  align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 16px;
}
.footer-text { font-size: .85rem; color: var(--text-secondary); }
.footer-socials { display: flex; gap: 12px; }
.footer-social {
  width: 40px; height: 40px; border-radius: 10px; display: flex; align-items: center;
  justify-content: center; background: var(--glass); border: 1px solid var(--glass-border);
  color: var(--text-secondary); text-decoration: none; font-size: 1.1rem;
  transition: var(--transition);
}
.footer-social:hover { border-color: var(--accent); color: var(--text-primary); transform: translateY(-3px); }

/* ===== SCROLL REVEAL ===== */
.reveal {
  opacity: 0; transform: translateY(40px);
  transition: opacity .8s cubic-bezier(.4,0,.2,1), transform .8s cubic-bezier(.4,0,.2,1);
}
.reveal.visible { opacity: 1; transform: translateY(0); }
.reveal-left { opacity: 0; transform: translateX(-40px); transition: opacity .8s, transform .8s; }
.reveal-left.visible { opacity: 1; transform: translateX(0); }
.reveal-right { opacity: 0; transform: translateX(40px); transition: opacity .8s, transform .8s; }
.reveal-right.visible { opacity: 1; transform: translateX(0); }
.reveal-scale { opacity: 0; transform: scale(.9); transition: opacity .6s, transform .6s; }
.reveal-scale.visible { opacity: 1; transform: scale(1); }

/* ===== SCROLL TO TOP ===== */
.scroll-top {
  position: fixed; bottom: 30px; right: 30px; width: 48px; height: 48px;
  border-radius: 14px; background: var(--glass); backdrop-filter: blur(12px);
  border: 1px solid var(--glass-border); color: var(--text-primary);
  font-size: 1.2rem; cursor: pointer; z-index: 999;
  display: flex; align-items: center; justify-content: center;
  opacity: 0; visibility: hidden; transform: translateY(20px);
  transition: var(--transition);
}
.scroll-top.visible { opacity: 1; visibility: visible; transform: translateY(0); }
.scroll-top:hover { border-color: var(--accent); background: rgba(124,92,252,.15); }

/* ===== PARTICLES ===== */
.particles {
  position: fixed; inset: 0; pointer-events: none; z-index: 0; overflow: hidden;
}
.particle {
  position: absolute; width: 3px; height: 3px; background: var(--accent);
  border-radius: 50%; opacity: .3;
  animation: particle-float linear infinite;
}
@keyframes particle-float {
  0% { transform: translateY(100vh) scale(0); opacity: 0; }
  10% { opacity: .4; }
  90% { opacity: .4; }
  100% { transform: translateY(-10vh) scale(1); opacity: 0; }
}

/* ===== RESPONSIVE ===== */
@media (max-width: 900px) {
  .hero-container { grid-template-columns: 1fr; text-align: center; }
  .hero .subtitle { margin: 0 auto 32px; }
  .hero-btns { justify-content: center; }
  .hero-image { order: -1; }
  .hero-avatar-wrap { width: 250px; height: 250px; }
  .floating-card { display: none; }
  .about-grid { grid-template-columns: 1fr; }
  .about-image { order: -1; }
  .contact-grid { grid-template-columns: 1fr; }
  .projects-grid { grid-template-columns: 1fr; }
  .nav-links {
    position: fixed; top: 0; right: -100%; width: 280px; height: 100vh;
    background: rgba(10,10,15,.97); backdrop-filter: blur(20px);
    flex-direction: column; padding: 80px 32px 32px; gap: 24px;
    transition: right .4s;
  }
  .nav-links.open { right: 0; }
  .menu-toggle { display: block; }
  .cursor-dot, .cursor-ring { display: none; }
}

@media (max-width: 480px) {
  .hero h1 { font-size: 2rem; }
  .about-stats { grid-template-columns: repeat(3,1fr); gap: 10px; }
  .stat-number { font-size: 1.4rem; }
  .skills-grid { grid-template-columns: 1fr; }
  .section-title { font-size: 1.6rem; }
}