/* ========================================
   NAFIYA JAN PORTFOLIO - STYLE.CSS
   Dark & Modern Theme
======================================== */

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

:root {
  --blue: #6366f1;
  --blue-light: #818cf8;
  --purple: #a855f7;
  --cyan: #06b6d4;
  --dark: #030712;
  --dark-2: #0d1117;
  --dark-3: #111827;
  --dark-4: #1f2937;
  --dark-5: #374151;
  --text: #f9fafb;
  --text-muted: #9ca3af;
  --text-dim: #6b7280;
  --border: rgba(99,102,241,0.15);
  --border-hover: rgba(99,102,241,0.4);
  --glow: 0 0 30px rgba(99,102,241,0.3);
  --glow-lg: 0 0 60px rgba(99,102,241,0.4);
  --radius: 12px;
  --radius-lg: 20px;
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

html { scroll-behavior: smooth; }

body {
  font-family: 'Inter', sans-serif;
  background: var(--dark);
  color: var(--text);
  overflow-x: hidden;
  line-height: 1.7;
}

/* --- SCROLLBAR --- */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--dark); }
::-webkit-scrollbar-thumb { background: var(--blue); border-radius: 3px; }

/* --- CUSTOM CURSOR --- */
.cursor {
  width: 10px; height: 10px;
  background: var(--blue);
  border-radius: 50%;
  position: fixed;
  top: 0; left: 0;
  pointer-events: none;
  z-index: 9999;
  transform: translate(-50%, -50%);
  transition: transform 0.1s ease;
}
.cursor-follower {
  width: 32px; height: 32px;
  border: 2px solid rgba(99,102,241,0.5);
  border-radius: 50%;
  position: fixed;
  top: 0; left: 0;
  pointer-events: none;
  z-index: 9998;
  transform: translate(-50%, -50%);
  transition: all 0.15s ease;
}

/* --- UTILITIES --- */
.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }
.section { padding: 100px 0; }
.highlight {
  background: linear-gradient(135deg, var(--blue), var(--purple));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 14px 28px;
  border-radius: 50px;
  font-family: 'Inter', sans-serif;
  font-size: 15px; font-weight: 600;
  cursor: pointer; border: none;
  text-decoration: none;
  transition: var(--transition);
  white-space: nowrap;
}
.btn-primary {
  background: linear-gradient(135deg, var(--blue), var(--purple));
  color: white;
  box-shadow: 0 4px 24px rgba(99,102,241,0.35);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 32px rgba(99,102,241,0.5);
}
.btn-outline {
  background: transparent;
  color: var(--text);
  border: 1.5px solid var(--border-hover);
}
.btn-outline:hover {
  background: rgba(99,102,241,0.1);
  border-color: var(--blue);
  transform: translateY(-2px);
}
.btn-full { width: 100%; justify-content: center; }

/* --- SECTION HEADER --- */
.section-header { text-align: center; margin-bottom: 64px; }
.section-tag {
  display: inline-block;
  padding: 6px 16px;
  background: rgba(99,102,241,0.12);
  border: 1px solid rgba(99,102,241,0.3);
  color: var(--blue-light);
  border-radius: 50px;
  font-size: 13px; font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  margin-bottom: 16px;
}
.section-title {
  font-family: 'Space Grotesk', sans-serif;
  font-size: clamp(32px, 5vw, 52px);
  font-weight: 700;
  line-height: 1.2;
}
.section-subtitle {
  color: var(--text-muted);
  font-size: 18px;
  margin-top: 16px;
  max-width: 500px;
  margin-left: auto; margin-right: auto;
}

/* ========== NAVBAR ========== */
.navbar {
  position: fixed; top: 0; left: 0; right: 0;
  z-index: 1000;
  padding: 16px 0;
  transition: var(--transition);
}
.navbar.scrolled {
  background: rgba(3, 7, 18, 0.85);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  padding: 12px 0;
}
.nav-container {
  max-width: 1200px; margin: 0 auto; padding: 0 24px;
  display: flex; align-items: center; gap: 40px;
}
.nav-logo {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 28px; font-weight: 800;
  color: var(--text);
  text-decoration: none;
  letter-spacing: -1px;
  margin-right: auto;
}
.logo-dot { color: var(--blue); }
.nav-links {
  display: flex; list-style: none; gap: 6px;
}
.nav-link {
  color: var(--text-muted);
  text-decoration: none;
  padding: 8px 14px;
  border-radius: 8px;
  font-size: 14px; font-weight: 500;
  transition: var(--transition);
}
.nav-link:hover, .nav-link.active {
  color: var(--text);
  background: rgba(99,102,241,0.1);
}
.nav-cta { font-size: 14px; padding: 10px 20px; }
.hamburger {
  display: none;
  flex-direction: column; gap: 5px;
  background: none; border: none; cursor: pointer;
  padding: 4px;
}
.hamburger span {
  display: block; width: 24px; height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: var(--transition);
}

/* ========== HERO ========== */
.hero {
  min-height: 100vh;
  display: flex; flex-direction: column;
  justify-content: center;
  padding: 120px 0 60px;
  position: relative;
  overflow: hidden;
}
.hero-bg-grid {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(99,102,241,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(99,102,241,0.04) 1px, transparent 1px);
  background-size: 60px 60px;
}
.hero-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(100px);
  pointer-events: none;
}
.orb-1 {
  width: 600px; height: 600px;
  background: rgba(99,102,241,0.15);
  top: -200px; right: -100px;
  animation: orbFloat 8s ease-in-out infinite;
}
.orb-2 {
  width: 400px; height: 400px;
  background: rgba(168,85,247,0.1);
  bottom: -100px; left: -50px;
  animation: orbFloat 10s ease-in-out infinite reverse;
}
.orb-3 {
  width: 200px; height: 200px;
  background: rgba(6,182,212,0.1);
  top: 40%; left: 40%;
  animation: orbFloat 6s ease-in-out infinite;
}
@keyframes orbFloat {
  0%, 100% { transform: translateY(0) scale(1); }
  50% { transform: translateY(-30px) scale(1.05); }
}
.hero-container {
  max-width: 1200px; margin: 0 auto; padding: 0 24px;
  display: grid; grid-template-columns: 1fr 1fr;
  align-items: center; gap: 60px;
  position: relative; z-index: 1;
}
.hero-badge {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 8px 16px;
  background: rgba(99,102,241,0.1);
  border: 1px solid rgba(99,102,241,0.3);
  border-radius: 50px;
  font-size: 13px; font-weight: 600;
  color: var(--blue-light);
  margin-bottom: 24px;
  width: fit-content;
}
.badge-dot {
  width: 8px; height: 8px;
  background: #4ade80;
  border-radius: 50%;
  box-shadow: 0 0 8px #4ade80;
  animation: pulse 2s infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.7; transform: scale(1.2); }
}
.hero-title {
  font-family: 'Space Grotesk', sans-serif;
  font-size: clamp(40px, 5vw, 64px);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -1.5px;
  margin-bottom: 24px;
}
.hero-title-sub {
  display: block;
  font-size: clamp(24px, 3vw, 40px);
  color: var(--text-muted);
  font-weight: 600;
  min-height: 48px;
}
.hero-description {
  font-size: 18px;
  color: var(--text-muted);
  line-height: 1.8;
  margin-bottom: 36px;
  max-width: 520px;
}
.hero-description strong { color: var(--text); }
.hero-actions {
  display: flex; gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 48px;
}
.hero-stats {
  display: flex; align-items: center; gap: 32px;
}
.stat-item { text-align: center; }
.stat-number {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 36px; font-weight: 800;
  color: var(--text);
  display: inline-block;
}
.stat-plus {
  font-size: 24px; font-weight: 700;
  color: var(--blue);
}
.stat-label {
  display: block;
  font-size: 13px;
  color: var(--text-muted);
  margin-top: 2px;
}
.stat-divider {
  width: 1px; height: 40px;
  background: var(--border);
}

/* HERO VISUAL */
.hero-visual {
  display: flex; justify-content: center; align-items: center;
}
.avatar-ring {
  position: relative;
  width: 380px; height: 380px;
  display: flex; align-items: center; justify-content: center;
}
.avatar-ring-inner {
  width: 260px; height: 260px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--blue), var(--purple));
  padding: 4px;
  box-shadow: var(--glow-lg);
  position: relative; z-index: 2;
}
.avatar-img {
  width: 100%; height: 100%;
  object-fit: cover;
  border-radius: 50%;
  background: var(--dark-3);
  display: flex; align-items: center; justify-content: center;
}
/* Placeholder when no image */
.avatar-img[src="profile.jpg"] {
  background: linear-gradient(135deg, var(--dark-3), var(--dark-4));
}

/* Rotating orbit rings */
.ring-orbit {
  position: absolute;
  border-radius: 50%;
  border: 1.5px dashed rgba(99,102,241,0.3);
}
.ring-orbit-1 {
  width: 320px; height: 320px;
  animation: orbit 12s linear infinite;
}
.ring-orbit-2 {
  width: 340px; height: 340px;
  animation: orbit 18s linear infinite reverse;
}
.ring-orbit-3 {
  width: 360px; height: 360px;
  animation: orbit 24s linear infinite;
}
@keyframes orbit {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}
.orbit-icon {
  position: absolute;
  top: -14px; left: 50%;
  transform: translateX(-50%);
  width: 36px; height: 36px;
  background: var(--dark-3);
  border: 1px solid var(--border-hover);
  border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  font-size: 16px;
  box-shadow: var(--glow);
}

.scroll-indicator {
  position: absolute;
  bottom: 32px; left: 50%;
  transform: translateX(-50%);
  display: flex; flex-direction: column;
  align-items: center; gap: 8px;
  font-size: 12px; color: var(--text-muted);
  z-index: 1;
  animation: bounceDown 2s infinite;
}
.scroll-line {
  width: 2px; height: 40px;
  background: linear-gradient(to bottom, var(--blue), transparent);
  border-radius: 2px;
}
@keyframes bounceDown {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50% { transform: translateX(-50%) translateY(6px); }
}

/* ========== ABOUT ========== */
.about { background: var(--dark-2); }
.about-grid {
  display: grid; grid-template-columns: 1fr 1.4fr;
  gap: 64px; align-items: center;
}
.about-image-wrapper { position: relative; }
.about-image-card {
  border-radius: var(--radius-lg);
  overflow: hidden;
  position: relative;
  aspect-ratio: 4/5;
  background: var(--dark-3);
  border: 1px solid var(--border);
}
.about-img {
  width: 100%; height: 100%;
  object-fit: cover;
}
.about-image-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(to top, rgba(3,7,18,0.6), transparent);
}
.about-badge-floating {
  position: absolute;
  bottom: -20px; right: -20px;
  background: var(--dark-3);
  border: 1px solid var(--border-hover);
  border-radius: var(--radius);
  padding: 16px 20px;
  display: flex; gap: 12px; align-items: center;
  box-shadow: var(--glow);
}
.badge-emoji { font-size: 28px; }
.badge-title {
  display: block; font-weight: 700; font-size: 14px; color: var(--text);
}
.badge-sub {
  display: block; font-size: 12px; color: var(--text-muted);
}
.about-intro {
  font-size: 20px; font-weight: 500;
  color: var(--text); margin-bottom: 20px;
  line-height: 1.6;
}
.about-body { color: var(--text-muted); margin-bottom: 16px; font-size: 16px; }
.about-info-grid {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 16px; margin: 32px 0;
}
.info-item {
  display: flex; flex-direction: column; gap: 4px;
  background: var(--dark-3);
  padding: 14px 16px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
}
.info-label { font-size: 12px; color: var(--text-muted); font-weight: 500; }
.info-value { font-size: 14px; color: var(--text); font-weight: 600; }
.about-actions {
  display: flex; align-items: center; gap: 24px;
  flex-wrap: wrap;
}
.social-links { display: flex; gap: 12px; }
.social-link {
  width: 40px; height: 40px;
  display: flex; align-items: center; justify-content: center;
  background: var(--dark-3);
  border: 1px solid var(--border);
  border-radius: 10px;
  color: var(--text-muted);
  text-decoration: none;
  transition: var(--transition);
}
.social-link svg { width: 18px; height: 18px; }
.social-link:hover {
  color: var(--blue);
  border-color: var(--blue);
  background: rgba(99,102,241,0.1);
  transform: translateY(-2px);
}

/* ========== SKILLS ========== */
.skills { background: var(--dark); }
.skills-categories { display: flex; flex-direction: column; gap: 48px; }
.skill-category { }
.category-title {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 20px; font-weight: 700;
  color: var(--text-muted);
  margin-bottom: 24px;
  display: flex; align-items: center; gap: 10px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--border);
}
.skills-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
  gap: 16px;
}
.skill-card {
  background: var(--dark-3);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px 16px;
  text-align: center;
  transition: var(--transition);
  cursor: default;
}
.skill-card:hover {
  border-color: var(--blue);
  background: rgba(99,102,241,0.07);
  transform: translateY(-4px);
  box-shadow: var(--glow);
}
.skill-icon {
  width: 48px; height: 48px;
  margin: 0 auto 12px;
}
.skill-icon svg { width: 48px; height: 48px; }
.skill-name {
  display: block;
  font-size: 13px; font-weight: 600;
  color: var(--text);
  margin-bottom: 12px;
}
.skill-bar {
  height: 4px;
  background: var(--dark-4);
  border-radius: 2px;
  overflow: hidden;
}
.skill-fill {
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, var(--blue), var(--purple));
  border-radius: 2px;
  transition: width 1.2s cubic-bezier(0.4, 0, 0.2, 1);
}
.skill-fill.animated { width: var(--w); }

/* ========== PROJECTS ========== */
.projects { background: var(--dark-2); }
.project-filters {
  display: flex; gap: 8px;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 48px;
}
.filter-btn {
  padding: 8px 20px;
  border-radius: 50px;
  border: 1.5px solid var(--border);
  background: transparent;
  color: var(--text-muted);
  font-size: 14px; font-weight: 500;
  cursor: pointer;
  font-family: 'Inter', sans-serif;
  transition: var(--transition);
}
.filter-btn:hover, .filter-btn.active {
  background: linear-gradient(135deg, var(--blue), var(--purple));
  border-color: transparent;
  color: white;
  box-shadow: 0 4px 16px rgba(99,102,241,0.3);
}
.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: 24px;
}
.project-card {
  background: var(--dark-3);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: var(--transition);
}
.project-card:hover {
  border-color: var(--border-hover);
  transform: translateY(-6px);
  box-shadow: 0 20px 60px rgba(0,0,0,0.4);
}
.project-card.hidden { display: none; }
.project-image {
  aspect-ratio: 16/9;
  position: relative;
  overflow: hidden;
}
.project-placeholder {
  width: 100%; height: 100%;
  display: flex; align-items: center; justify-content: center;
}
.project-emoji { font-size: 64px; filter: drop-shadow(0 4px 16px rgba(0,0,0,0.3)); }
.project-overlay {
  position: absolute; inset: 0;
  background: rgba(3,7,18,0.85);
  display: flex; align-items: center; justify-content: center;
  gap: 12px;
  opacity: 0;
  transition: var(--transition);
}
.project-card:hover .project-overlay { opacity: 1; }
.project-link-btn {
  padding: 10px 20px;
  border-radius: 50px;
  background: var(--blue);
  color: white;
  text-decoration: none;
  font-size: 13px; font-weight: 600;
  transition: var(--transition);
}
.project-link-btn:hover { background: var(--blue-light); }
.project-link-outline {
  background: transparent;
  border: 1.5px solid rgba(255,255,255,0.3);
}
.project-link-outline:hover {
  background: rgba(255,255,255,0.1);
}
.project-body { padding: 20px; }
.project-tags { display: flex; gap: 6px; flex-wrap: wrap; margin-bottom: 10px; }
.project-tag {
  padding: 3px 10px;
  background: rgba(99,102,241,0.1);
  border: 1px solid rgba(99,102,241,0.2);
  color: var(--blue-light);
  border-radius: 50px;
  font-size: 11px; font-weight: 600;
}
.project-title {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 18px; font-weight: 700;
  color: var(--text);
  margin-bottom: 8px;
}
.project-desc {
  font-size: 14px; color: var(--text-muted); line-height: 1.6;
}

/* ========== EXPERIENCE ========== */
.experience { background: var(--dark); }
.timeline { position: relative; max-width: 800px; margin: 0 auto; }
.timeline::before {
  content: '';
  position: absolute;
  left: 20px; top: 0; bottom: 0;
  width: 2px;
  background: linear-gradient(to bottom, var(--blue), transparent);
}
.timeline-item {
  position: relative;
  padding-left: 64px;
  margin-bottom: 40px;
}
.timeline-marker {
  position: absolute;
  left: 10px; top: 24px;
  width: 20px; height: 20px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--blue), var(--purple));
  border: 3px solid var(--dark);
  box-shadow: var(--glow);
  z-index: 1;
}
.timeline-card {
  background: var(--dark-3);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px;
  transition: var(--transition);
}
.timeline-card:hover {
  border-color: var(--border-hover);
  box-shadow: var(--glow);
}
.timeline-header {
  display: flex; justify-content: space-between;
  align-items: flex-start; gap: 16px;
  margin-bottom: 16px;
  flex-wrap: wrap;
}
.timeline-title {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 20px; font-weight: 700;
  color: var(--text);
}
.timeline-company {
  display: block;
  font-size: 14px; color: var(--blue-light);
  font-weight: 600; margin-top: 4px;
}
.timeline-meta { text-align: right; }
.timeline-period {
  display: block;
  font-size: 13px; color: var(--text-muted); font-weight: 500;
}
.timeline-type {
  display: inline-block;
  margin-top: 4px;
  padding: 2px 10px;
  background: rgba(99,102,241,0.1);
  border: 1px solid rgba(99,102,241,0.2);
  border-radius: 50px;
  font-size: 11px; color: var(--blue-light); font-weight: 600;
}
.timeline-bullets {
  list-style: none;
  margin-bottom: 16px;
}
.timeline-bullets li {
  position: relative;
  padding-left: 20px;
  font-size: 14px; color: var(--text-muted);
  margin-bottom: 8px;
}
.timeline-bullets li::before {
  content: '▸';
  position: absolute; left: 0;
  color: var(--blue);
}
.timeline-skills { display: flex; gap: 8px; flex-wrap: wrap; }
.ts {
  padding: 4px 12px;
  background: rgba(99,102,241,0.08);
  border: 1px solid var(--border);
  border-radius: 50px;
  font-size: 12px; color: var(--text-muted);
  font-weight: 600;
}

/* ========== EDUCATION ========== */
.education { background: var(--dark-2); }
.edu-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; }
.edu-col-title {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 18px; font-weight: 700;
  color: var(--text);
  margin-bottom: 24px;
  display: flex; align-items: center; gap: 10px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--border);
}
.edu-card, .cert-card {
  background: var(--dark-3);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  margin-bottom: 16px;
  display: flex; gap: 16px;
  transition: var(--transition);
}
.edu-card:hover, .cert-card:hover {
  border-color: var(--border-hover);
  transform: translateX(4px);
  box-shadow: var(--glow);
}
.edu-icon { font-size: 32px; }
.edu-degree {
  font-size: 15px; font-weight: 700; color: var(--text);
  margin-bottom: 4px;
}
.edu-institution {
  display: block;
  font-size: 13px; color: var(--blue-light); font-weight: 600;
  margin-bottom: 4px;
}
.edu-year {
  display: inline-block;
  font-size: 12px; color: var(--text-muted);
  padding: 2px 8px;
  background: var(--dark-4);
  border-radius: 50px;
  margin-bottom: 6px;
}
.edu-note { font-size: 13px; color: var(--text-muted); }
.cert-badge {
  width: 36px; height: 36px;
  min-width: 36px;
  background: linear-gradient(135deg, var(--blue), var(--purple));
  border-radius: 8px;
  display: flex; align-items: center; justify-content: center;
  font-weight: 700; color: white; font-size: 16px;
}
.cert-name { font-size: 14px; font-weight: 700; color: var(--text); margin-bottom: 2px; }
.cert-issuer {
  display: block;
  font-size: 12px; color: var(--text-muted);
}
.cert-year {
  display: inline-block;
  margin-top: 4px;
  font-size: 11px;
  color: var(--blue-light); font-weight: 600;
  padding: 1px 8px;
  background: rgba(99,102,241,0.1);
  border-radius: 50px;
}

/* ========== CONTACT ========== */
.contact { background: var(--dark); }
.contact-grid { display: grid; grid-template-columns: 1fr 1.5fr; gap: 48px; }
.contact-card {
  background: var(--dark-3);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  display: flex; gap: 16px; align-items: center;
  margin-bottom: 16px;
  transition: var(--transition);
}
.contact-card:hover {
  border-color: var(--border-hover);
  box-shadow: var(--glow);
}
.contact-card-icon { font-size: 28px; }
.contact-card h4 { font-size: 13px; color: var(--text-muted); font-weight: 500; margin-bottom: 2px; }
.contact-card a, .contact-card span {
  font-size: 15px; color: var(--text); font-weight: 600;
  text-decoration: none;
}
.contact-card a:hover { color: var(--blue); }
.contact-socials { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 8px; }
.social-pill {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 10px 20px;
  background: var(--dark-3);
  border: 1px solid var(--border);
  border-radius: 50px;
  color: var(--text-muted); text-decoration: none;
  font-size: 14px; font-weight: 600;
  transition: var(--transition);
}
.social-pill:hover {
  color: var(--blue);
  border-color: var(--blue);
  background: rgba(99,102,241,0.08);
  transform: translateY(-2px);
}

/* FORM */
.contact-form {
  background: var(--dark-3);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px;
}
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-group { margin-bottom: 20px; }
.form-group label {
  display: block;
  font-size: 13px; font-weight: 600;
  color: var(--text-muted);
  margin-bottom: 8px;
  text-transform: uppercase; letter-spacing: 0.05em;
}
.form-group input, .form-group textarea {
  width: 100%;
  background: var(--dark-4);
  border: 1.5px solid var(--border);
  border-radius: var(--radius);
  padding: 14px 16px;
  color: var(--text);
  font-family: 'Inter', sans-serif;
  font-size: 15px;
  transition: var(--transition);
  outline: none;
}
.form-group input:focus, .form-group textarea:focus {
  border-color: var(--blue);
  box-shadow: 0 0 0 3px rgba(99,102,241,0.15);
}
.form-group textarea { resize: vertical; min-height: 120px; }
.form-success {
  display: none;
  text-align: center;
  padding: 16px;
  margin-top: 16px;
  background: rgba(74,222,128,0.1);
  border: 1px solid rgba(74,222,128,0.3);
  border-radius: var(--radius);
  color: #4ade80;
  font-weight: 600;
}
.form-success.show { display: block; animation: fadeIn 0.4s ease; }

/* ========== FOOTER ========== */
.footer {
  background: var(--dark-2);
  border-top: 1px solid var(--border);
  padding: 40px 0;
}
.footer-content {
  display: flex; flex-direction: column;
  align-items: center; text-align: center; gap: 16px;
}
.footer-logo {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 32px; font-weight: 800;
  color: var(--text); text-decoration: none;
}
.footer-tagline { color: var(--text-muted); font-size: 15px; }
.footer-links { display: flex; gap: 24px; flex-wrap: wrap; justify-content: center; }
.footer-links a {
  color: var(--text-muted); text-decoration: none; font-size: 14px;
  transition: var(--transition);
}
.footer-links a:hover { color: var(--blue); }
.footer-copy { font-size: 13px; color: var(--text-dim); }

/* ========== BACK TO TOP ========== */
.back-to-top {
  position: fixed;
  bottom: 32px; right: 32px;
  width: 48px; height: 48px;
  background: linear-gradient(135deg, var(--blue), var(--purple));
  border: none; border-radius: 50%;
  color: white; cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 4px 20px rgba(99,102,241,0.4);
  opacity: 0; pointer-events: none;
  transform: translateY(20px);
  transition: var(--transition);
  z-index: 100;
}
.back-to-top.visible {
  opacity: 1; pointer-events: all;
  transform: translateY(0);
}
.back-to-top:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 32px rgba(99,102,241,0.6);
}

/* ========== TYPEWRITER ========== */
.typewriter::after {
  content: '|';
  animation: blink 0.7s infinite;
  color: var(--blue);
}
@keyframes blink { 0%,100%{opacity:1} 50%{opacity:0} }

/* ========== ANIMATIONS ========== */
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}
@keyframes fadeInLeft {
  from { opacity: 0; transform: translateX(-30px); }
  to { opacity: 1; transform: translateX(0); }
}
@keyframes fadeInRight {
  from { opacity: 0; transform: translateX(30px); }
  to { opacity: 1; transform: translateX(0); }
}

.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ========== RESPONSIVE ========== */
@media (max-width: 1024px) {
  .hero-container { grid-template-columns: 1fr; text-align: center; gap: 48px; }
  .hero-badge { margin: 0 auto 24px; }
  .hero-description { max-width: 100%; }
  .hero-actions { justify-content: center; }
  .hero-stats { justify-content: center; }
  .hero-visual { order: -1; }
  .avatar-ring { width: 280px; height: 280px; }
  .avatar-ring-inner { width: 200px; height: 200px; }
  .ring-orbit-1 { width: 240px; height: 240px; }
  .ring-orbit-2 { width: 254px; height: 254px; }
  .ring-orbit-3 { width: 268px; height: 268px; }
  .about-grid { grid-template-columns: 1fr; }
  .about-image-wrapper { max-width: 400px; margin: 0 auto; }
  .edu-grid { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
  .nav-links, .nav-cta { display: none; }
  .hamburger { display: flex; }
  .nav-links.open {
    display: flex; flex-direction: column;
    position: fixed; top: 70px; left: 0; right: 0;
    background: rgba(3, 7, 18, 0.98);
    backdrop-filter: blur(20px);
    padding: 20px;
    border-bottom: 1px solid var(--border);
    gap: 4px;
  }
  .nav-links.open .nav-link {
    padding: 12px 16px;
    border-radius: var(--radius);
  }
  .section { padding: 72px 0; }
  .about-info-grid { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .projects-grid { grid-template-columns: 1fr; }
  .hero-stats { gap: 20px; }
  .cursor, .cursor-follower { display: none; }
  .about-badge-floating { right: 0; }
}

@media (max-width: 480px) {
  .stat-number { font-size: 28px; }
  .hero-title { font-size: 36px; }
  .timeline::before { left: 14px; }
  .timeline-item { padding-left: 48px; }
  .timeline-marker { left: 5px; }
}

/* ========== COMING SOON TOOLTIP ========== */
.coming-soon-btn {
  position: relative;
  opacity: 0.75;
  cursor: not-allowed !important;
}
.coming-soon-btn::after {
  content: attr(data-tooltip);
  position: absolute;
  bottom: calc(100% + 10px);
  left: 50%;
  transform: translateX(-50%);
  background: rgba(3,7,18,0.96);
  border: 1px solid rgba(99,102,241,0.4);
  color: #818cf8;
  font-size: 11px;
  font-weight: 600;
  padding: 6px 12px;
  border-radius: 8px;
  white-space: nowrap;
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.2s ease;
  z-index: 10;
}
.coming-soon-btn::before {
  content: '';
  position: absolute;
  bottom: calc(100% + 4px);
  left: 50%;
  transform: translateX(-50%);
  border: 5px solid transparent;
  border-top-color: rgba(99,102,241,0.4);
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.2s ease;
  z-index: 10;
}
.coming-soon-btn:hover::after,
.coming-soon-btn:hover::before { opacity: 1; }

/* ========== RESUME NAV LINK SPECIAL ========== */
#nav-resume {
  color: var(--blue-light) !important;
  border: 1px solid rgba(99,102,241,0.3);
  border-radius: 8px;
}
#nav-resume:hover {
  background: rgba(99,102,241,0.15) !important;
  border-color: var(--blue);
}

/* ========== HERO ACTIONS WRAP ========== */
@media (max-width: 500px) {
  .hero-actions { flex-direction: column; align-items: center; }
  .hero-actions .btn { width: 100%; justify-content: center; }
}