/* ============================================
   Akbar Portfolio
   Display: Plus Jakarta Sans | Body: Inter
   ============================================ */

:root {
  --bg-base: #0a0a0f;
  --bg-surface: #12121e;
  --bg-elevated: #1a1a2e;
  --bg-hover: #22223a;
  --text-primary: #f1f1f7;
  --text-secondary: #9898b0;
  --text-tertiary: #6b6b85;
  --border: #1f1f35;
  --border-hover: #2f2f4a;
  --accent: #8b5cf6;
  --accent-soft: #a78bfa;
  --accent-gradient: linear-gradient(135deg, #8b5cf6, #6366f1);
  --accent-warm: #f59e0b;
  --success: #10b981;
  --font-display: "Plus Jakarta Sans", sans-serif;
  --font-body: "Inter", sans-serif;
  --font-mono: "JetBrains Mono", "Fira Code", monospace;
  --text-xs: 0.75rem;
  --text-sm: 0.875rem;
  --text-base: 1rem;
  --text-lg: 1.125rem;
  --text-xl: 1.25rem;
  --text-2xl: 1.5rem;
  --text-3xl: 1.875rem;
  --text-4xl: 2.25rem;
  --text-5xl: 3rem;
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-full: 9999px;
  --shadow-sm: 0 1px 2px rgba(0,0,0,0.3);
  --shadow-md: 0 4px 12px rgba(0,0,0,0.3);
  --shadow-lg: 0 8px 30px rgba(0,0,0,0.4);
  --shadow-glow: 0 0 20px rgba(139,92,246,0.15);
  --container: 1120px;
}

[data-theme="light"] {
  --bg-base: #faf9f7;
  --bg-surface: #ffffff;
  --bg-elevated: #f4f3f0;
  --bg-hover: #edecea;
  --text-primary: #1c1917;
  --text-secondary: #57534e;
  --text-tertiary: #a8a29e;
  --border: #e7e5e4;
  --border-hover: #d6d3d1;
  --accent: #7c3aed;
  --accent-soft: #7c3aed;
  --accent-gradient: linear-gradient(135deg, #7c3aed, #4f46e5);
  --accent-warm: #d97706;
  --success: #059669;
  --shadow-sm: 0 1px 3px rgba(28,25,23,0.06);
  --shadow-md: 0 4px 12px rgba(28,25,23,0.08);
  --shadow-lg: 0 8px 30px rgba(28,25,23,0.12);
  --shadow-glow: 0 0 20px rgba(124,58,237,0.1);
}

[data-theme="light"] .nav { background: rgba(250,249,247,0.85); }
[data-theme="light"] .cursor-glow { background: radial-gradient(circle, rgba(124,58,237,0.04) 0%, transparent 70%); }
[data-theme="light"] .bg-orb-1 { background: radial-gradient(circle, rgba(124,58,237,0.05) 0%, transparent 70%); }
[data-theme="light"] .bg-orb-2 { background: radial-gradient(circle, rgba(79,70,229,0.04) 0%, transparent 70%); }
[data-theme="light"] .hero-glow { background: radial-gradient(circle, rgba(124,58,237,0.04) 0%, transparent 70%); }
[data-theme="light"] .hero h1 { background: linear-gradient(135deg, #1c1917 30%, #57534e 100%); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
[data-theme="light"] .section-tag { color: #7c3aed; }
[data-theme="light"] .timeline-dot { background: #7c3aed; border-color: #faf9f7; }
[data-theme="light"] .timeline-date { color: #7c3aed; }
[data-theme="light"] .timeline-duties li::before { color: #7c3aed; }
[data-theme="light"] .skill-tag:hover { border-color: #7c3aed; color: #7c3aed; }
[data-theme="light"] .project-tech span { color: #7c3aed; background: rgba(124,58,237,0.08); }
[data-theme="light"] .edu-card .date { color: #7c3aed; }
[data-theme="light"] .contact-icon { background: #f4f3f0; }
[data-theme="light"] .project-card:hover,
[data-theme="light"] .contact-item:hover { box-shadow: 0 8px 30px rgba(124,58,237,0.08); }
[data-theme="light"] .btn-ghost { border-color: #e7e5e4; }
[data-theme="light"] .btn-ghost:hover { border-color: #d6d3d1; color: #1c1917; }
[data-theme="light"] .hero-avatar > div { background: linear-gradient(135deg, #7c3aed, #4f46e5); }
[data-theme="light"] .footer { border-color: #e7e5e4; }
[data-theme="light"] .nav-logo { background: linear-gradient(135deg, #7c3aed, #4f46e5); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }

/* Reset */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-family: var(--font-body); font-size: 16px; line-height: 1.6; background: var(--bg-base); color: var(--text-primary); -webkit-font-smoothing: antialiased; scroll-behavior: smooth; }
body { min-height: 100vh; background: var(--bg-base); overflow-x: hidden; }
a { color: inherit; text-decoration: none; }
img { max-width: 100%; height: auto; display: block; }
button { cursor: pointer; font: inherit; border: none; background: none; }

/* Typography */
h1, h2, h3, h4, h5, h6 { font-family: var(--font-display); color: var(--text-primary); letter-spacing: -0.03em; line-height: 1.15; }
h1 { font-size: clamp(2.8rem, 5.5vw, 4.5rem); font-weight: 800; line-height: 1.08; letter-spacing: -0.04em; }
h2 { font-size: clamp(1.8rem, 3vw, 2.4rem); font-weight: 700; }
h3 { font-size: 1.15rem; font-weight: 700; }

.container { max-width: var(--container); margin: 0 auto; padding: 0 var(--space-8); }

/* Theme Toggle */
.theme-toggle {
  display: flex; align-items: center; justify-content: center;
  width: 36px; height: 36px; border-radius: var(--radius-md);
  border: 1px solid var(--border); background: transparent;
  color: var(--text-secondary); cursor: pointer;
  transition: all 0.2s ease; font-size: 1rem; font-family: var(--font-body);
}
.theme-toggle:hover { color: var(--text-primary); background: var(--bg-elevated); border-color: var(--border-hover); }
.theme-toggle:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
.dark-lock .theme-toggle { display: none; }

/* Nav */
.nav {
  position: sticky; top: 0; z-index: 100;
  height: 72px; display: flex; align-items: center; justify-content: space-between;
  padding: 0 var(--space-8); max-width: var(--container); margin: 0 auto;
  background: rgba(10,10,15,0.8); backdrop-filter: blur(16px) saturate(180%);
  -webkit-backdrop-filter: blur(16px) saturate(180%);
  border-bottom: 1px solid var(--border);
}
.nav-logo {
  font-family: var(--font-display); font-weight: 800; font-size: 1.25rem;
  background: var(--accent-gradient); -webkit-background-clip: text;
  -webkit-text-fill-color: transparent; background-clip: text; letter-spacing: -0.02em;
}
.nav-links { display: flex; gap: var(--space-1); }
.nav-links a {
  font-family: var(--font-body); padding: var(--space-2) var(--space-4);
  font-size: var(--text-sm); font-weight: 500; color: var(--text-secondary);
  border-radius: var(--radius-md); transition: all 0.2s ease;
}
.nav-links a:hover { color: var(--text-primary); background: var(--bg-elevated); }

/* Section */
.section {
  padding: var(--space-20) 0; scroll-margin-top: 80px;
  position: relative; overflow: hidden;
}
.section-glow {
  position: absolute; top: 50%; transform: translateY(-50%);
  width: 50vw; height: 50vw; border-radius: 50%;
  pointer-events: none; opacity: 0; transition: opacity 0.8s ease;
}
.section-glow-left { left: -25vw; background: radial-gradient(circle, rgba(139,92,246,0.05) 0%, transparent 70%); }
.section-glow-right { right: -25vw; background: radial-gradient(circle, rgba(99,102,241,0.04) 0%, transparent 70%); }
.section.visible .section-glow { opacity: 1; }
.section-divider {
  width: 60px; height: 1px; margin: 0 auto;
  background: linear-gradient(90deg, transparent, var(--border-hover), transparent);
}
.section-header { margin-bottom: var(--space-10); }
.section-tag {
  font-family: var(--font-display); font-size: var(--text-xs); font-weight: 600;
  color: var(--accent-soft); text-transform: uppercase; letter-spacing: 0.08em;
  margin-bottom: var(--space-3); display: inline-block;
}
.section-title { margin-bottom: var(--space-3); }
.section-desc { font-family: var(--font-body); font-size: var(--text-lg); color: var(--text-secondary); max-width: 560px; }

/* Hero */
.hero { padding: var(--space-16) 0 var(--space-10); position: relative; overflow: hidden; text-align: center; }
.hero-glow {
  position: absolute; top: -30vh; left: 50%; transform: translateX(-50%);
  width: 70vw; height: 70vw;
  background: radial-gradient(circle, rgba(139,92,246,0.07) 0%, transparent 70%);
  pointer-events: none;
}
.hero-avatar {
  width: 96px; height: 96px; border-radius: 50%; overflow: hidden;
  border: 2px solid var(--border); margin: 0 auto var(--space-6); background: var(--bg-elevated);
}
.hero h1 {
  margin-bottom: var(--space-4);
  background: linear-gradient(135deg, var(--text-primary) 30%, var(--text-secondary) 100%);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
}
.hero p { font-family: var(--font-body); font-size: var(--text-lg); color: var(--text-secondary); max-width: 560px; margin: 0 auto var(--space-6); line-height: 1.7; }
.hero-actions { display: flex; gap: var(--space-3); justify-content: center; flex-wrap: wrap; }

/* Buttons */
.btn {
  font-family: var(--font-body); display: inline-flex; align-items: center; gap: var(--space-2);
  padding: var(--space-3) var(--space-6); font-size: var(--text-sm); font-weight: 600;
  border-radius: var(--radius-full); transition: all 0.2s ease; white-space: nowrap;
}
.btn-primary { background: var(--accent-gradient); color: white; box-shadow: var(--shadow-glow); }
.btn-primary:hover { transform: translateY(-1px); box-shadow: 0 8px 25px rgba(139,92,246,0.3); }
.btn-ghost { color: var(--text-secondary); border: 1px solid var(--border); }
.btn-ghost:hover { color: var(--text-primary); border-color: var(--border-hover); }

/* Skills */
.skills-grid { display: flex; flex-wrap: wrap; gap: var(--space-3); }
.skill-tag {
  font-family: var(--font-body); padding: var(--space-2) var(--space-4);
  font-size: var(--text-sm); font-weight: 500; color: var(--text-secondary);
  background: var(--bg-surface); border: 1px solid var(--border);
  border-radius: var(--radius-full); transition: all 0.2s ease;
}
.skill-tag:hover { border-color: var(--accent); color: var(--accent-soft); }
.skill-category { margin-bottom: var(--space-6); }
.skill-category h3 {
  font-family: var(--font-body); font-size: var(--text-sm); font-weight: 600;
  color: var(--text-tertiary); text-transform: uppercase; letter-spacing: 0.05em;
  margin-bottom: var(--space-3);
}

/* Timeline */
.timeline { position: relative; padding-left: var(--space-8); }
.timeline::before { content: ''; position: absolute; left: 0; top: 0; bottom: 0; width: 1px; background: var(--border); }
.timeline-item { position: relative; padding-bottom: var(--space-10); }
.timeline-item:last-child { padding-bottom: 0; }
.timeline-dot {
  position: absolute; left: calc(-1 * var(--space-8) - 4px); top: 4px;
  width: 9px; height: 9px; border-radius: 50%; background: var(--accent);
  border: 2px solid var(--bg-base);
}
.timeline-date { font-family: var(--font-body); font-size: var(--text-sm); color: var(--accent-soft); font-weight: 500; margin-bottom: var(--space-1); }
.timeline-role { font-family: var(--font-display); font-size: var(--text-lg); font-weight: 700; color: var(--text-primary); margin-bottom: 2px; }
.timeline-company { font-family: var(--font-body); font-size: var(--text-base); color: var(--text-tertiary); margin-bottom: var(--space-3); }
.timeline-duties { list-style: none; display: flex; flex-direction: column; gap: var(--space-1); }
.timeline-duties li { position: relative; padding-left: var(--space-4); font-size: var(--text-sm); color: var(--text-secondary); line-height: 1.7; }
.timeline-duties li::before { content: '-'; position: absolute; left: 0; color: var(--accent-soft); font-weight: 600; }

/* Project Cards */
.projects-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: var(--space-6); }

.project-card {
  background: var(--bg-surface); border: 1px solid var(--border); border-radius: var(--radius-lg);
  overflow: hidden; transition: all 0.3s ease;
}
.project-card:hover { transform: translateY(-4px); border-color: var(--border-hover); box-shadow: var(--shadow-lg); }
.project-card.hidden { display: none; }

/* Image */
.project-card__image {
  position: relative; height: 180px; overflow: hidden;
  background: var(--bg-elevated);
}
.project-card__image img {
  width: 100%; height: 100%; object-fit: cover;
  transition: transform 0.4s ease;
}
.project-card:hover .project-card__image img { transform: scale(1.05); }

.project-card__overlay {
  position: absolute; bottom: 0; left: 0; right: 0;
  display: flex; align-items: flex-end; justify-content: space-between;
  padding: var(--space-3);
  background: linear-gradient(transparent, rgba(0,0,0,0.6));
}
.project-card__icon {
  width: 36px; height: 36px; border-radius: var(--radius-md);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.1rem; line-height: 1;
  box-shadow: var(--shadow-md);
}
.project-card__year {
  font-family: var(--font-mono); font-size: var(--text-xs); font-weight: 500;
  color: rgba(255,255,255,0.8); background: rgba(0,0,0,0.4);
  padding: var(--space-1) var(--space-2); border-radius: var(--radius-sm);
}

/* Body */
.project-card__body { padding: var(--space-5); }
.project-card__category {
  font-family: var(--font-body); font-size: var(--text-xs); font-weight: 500;
  color: var(--accent-soft); text-transform: uppercase; letter-spacing: 0.05em;
  margin-bottom: var(--space-2);
}
.project-card__header { display: flex; justify-content: space-between; align-items: flex-start; gap: var(--space-3); margin-bottom: var(--space-1); }
.project-card__header .project-card__year { color: var(--text-tertiary); background: var(--bg-elevated); padding: var(--space-1) var(--space-2); border-radius: var(--radius-sm); font-size: var(--text-xs); }
.project-card h3 { font-family: var(--font-display); font-size: 1.1rem; margin-bottom: var(--space-2); }
.project-card p { font-family: var(--font-body); font-size: var(--text-sm); color: var(--text-secondary); line-height: 1.6; margin-bottom: var(--space-4); }
.project-tech { display: flex; gap: var(--space-2); flex-wrap: wrap; }
.project-tech span {
  font-family: var(--font-mono); font-size: var(--text-xs); font-weight: 500;
  color: var(--accent-soft); background: rgba(139,92,246,0.1);
  padding: var(--space-1) var(--space-3); border-radius: var(--radius-full);
}

/* Filter Buttons */
.project-filters {
  display: flex; gap: var(--space-2); flex-wrap: wrap;
  margin-bottom: var(--space-8);
}
.filter-btn {
  font-family: var(--font-body); font-size: var(--text-sm); font-weight: 500;
  padding: var(--space-2) var(--space-4); border-radius: var(--radius-full);
  color: var(--text-secondary); background: var(--bg-surface);
  border: 1px solid var(--border); cursor: pointer; transition: all 0.2s ease;
}
.filter-btn:hover { color: var(--text-primary); border-color: var(--border-hover); }
.filter-btn.active {
  color: white; background: var(--accent-gradient); border-color: transparent;
  box-shadow: var(--shadow-glow);
}

/* Projects Marquee */
.projects-header {
  display: flex; justify-content: space-between; align-items: flex-end;
  gap: var(--space-4); margin-bottom: var(--space-8);
}
.accent-bracket { color: var(--accent-soft); }
.gradient-text {
  background: var(--accent-gradient); -webkit-background-clip: text;
  -webkit-text-fill-color: transparent; background-clip: text;
}
.view-all-link {
  font-family: var(--font-body); font-size: var(--text-sm); font-weight: 500;
  color: var(--text-tertiary); white-space: nowrap;
  display: flex; align-items: center; gap: var(--space-2);
  transition: color 0.2s ease;
}
.view-all-link:hover { color: var(--accent-soft); }
.view-all-link .arrow { transition: transform 0.2s ease; }
.view-all-link:hover .arrow { transform: translateX(3px); }

.marquee-container {
  max-width: var(--container); margin: 0 auto; padding: 0 var(--space-8);
  overflow: hidden;
  mask-image: linear-gradient(to right, transparent 0%, black 5%, black 95%, transparent 100%);
  -webkit-mask-image: linear-gradient(to right, transparent 0%, black 5%, black 95%, transparent 100%);
}
.marquee-track { display: flex; flex-direction: column; gap: var(--space-4); }
.marquee-row {
  display: flex; gap: var(--space-4); width: max-content;
  will-change: transform;
}
.marquee-row--left { animation: marquee-left 60s linear infinite; }
.marquee-row--right { animation: marquee-right 60s linear infinite; }
.marquee-row:hover { animation-play-state: paused; }

@keyframes marquee-left { 0% { transform: translate(0); } 100% { transform: translate(-50%); } }
@keyframes marquee-right { 0% { transform: translate(-50%); } 100% { transform: translate(0); } }

.marquee-card {
  flex-shrink: 0; width: 260px;
  background: var(--bg-surface); border: 1px solid var(--border);
  border-radius: var(--radius-md); overflow: hidden;
  transition: all 0.3s ease;
}
.marquee-card:hover {
  border-color: var(--accent); transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(139,92,246,0.12);
}
.marquee-card__image {
  position: relative; height: 120px; overflow: hidden;
  background: var(--bg-elevated);
}
.marquee-card__image img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.4s ease; }
.marquee-card:hover .marquee-card__image img { transform: scale(1.05); }
.marquee-card__icon {
  position: absolute; bottom: var(--space-2); left: var(--space-2);
  width: 28px; height: 28px; border-radius: 6px;
  display: flex; align-items: center; justify-content: center;
  font-size: 0.85rem; box-shadow: var(--shadow-sm);
}
.marquee-card__body { padding: var(--space-3); }
.marquee-card__top { display: flex; justify-content: space-between; align-items: flex-start; gap: var(--space-2); margin-bottom: 2px; }
.marquee-card__top h3 { font-family: var(--font-display); font-size: 0.85rem; }
.marquee-card__year {
  font-family: var(--font-mono); font-size: 0.65rem; font-weight: 500;
  color: var(--text-tertiary); background: var(--bg-elevated);
  padding: 1px var(--space-1); border-radius: 4px; flex-shrink: 0;
}
.marquee-card__body p {
  font-family: var(--font-body); font-size: var(--text-xs);
  color: var(--text-secondary); line-height: 1.4;
  margin-bottom: var(--space-2);
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
}
.marquee-card__tech { display: flex; gap: 4px; flex-wrap: wrap; }
.marquee-card__tech span {
  font-family: var(--font-mono); font-size: 0.6rem; font-weight: 500;
  color: var(--accent-soft); background: rgba(139,92,246,0.1);
  padding: 1px var(--space-2); border-radius: var(--radius-full);
}

/* Projects Back */
.projects-back { text-align: center; margin-top: var(--space-10); }

@media (prefers-reduced-motion: reduce) {
  .marquee-row { animation: none !important; flex-wrap: wrap; width: auto; }
  .marquee-card { width: calc(33% - var(--space-4)); }
}

/* Contact */
.contact-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: var(--space-6); }
.contact-item {
  display: flex; align-items: center; gap: var(--space-5);
  padding: var(--space-6); background: var(--bg-surface);
  border: 1px solid var(--border); border-radius: var(--radius-lg); transition: all 0.2s ease;
}
.contact-item:hover { border-color: var(--border-hover); }
.contact-icon {
  width: 44px; height: 44px; border-radius: var(--radius-md); background: var(--bg-elevated);
  display: flex; align-items: center; justify-content: center; flex-shrink: 0; font-size: var(--text-2xl);
}
.contact-item .label {
  font-family: var(--font-body); font-size: var(--text-xs); color: var(--text-tertiary);
  text-transform: uppercase; letter-spacing: 0.05em; margin-bottom: 2px;
}
.contact-item .value { font-family: var(--font-body); font-size: var(--text-sm); font-weight: 500; color: var(--text-primary); word-break: break-all; }

/* Education */
.edu-card { background: var(--bg-surface); border: 1px solid var(--border); border-radius: var(--radius-lg); padding: var(--space-6); }
.edu-card h3 { font-family: var(--font-display); margin-bottom: var(--space-1); }
.edu-card .meta { font-family: var(--font-body); font-size: var(--text-sm); color: var(--text-secondary); margin-bottom: var(--space-2); }
.edu-card .date { font-family: var(--font-body); font-size: var(--text-sm); color: var(--accent-soft); font-weight: 500; }

/* Summary */
.summary-text p { font-family: var(--font-body); font-size: var(--text-lg); color: var(--text-secondary); line-height: 1.8; margin-bottom: var(--space-4); }
.summary-text p:last-child { margin-bottom: 0; }

/* Footer */
.footer { border-top: 1px solid var(--border); padding: var(--space-10) 0; margin-top: var(--space-10); }
.footer-socials {
  display: flex;
  gap: var(--space-6);
}
.footer-socials a {
  color: var(--text-tertiary);
  transition: color 0.2s ease;
}
.footer-socials a:hover {
  color: var(--text-primary);
}
.footer-socials svg {
  width: 20px;
  height: 20px;
}
.footer-inner { display: flex; justify-content: space-between; align-items: center; font-family: var(--font-body); font-size: var(--text-sm); color: var(--text-tertiary); }

/* Animations */
@keyframes fadeUp { from { opacity: 0; transform: translateY(20px); } to { opacity: 1; transform: translateY(0); } }
.animate-in { opacity: 0; animation: fadeUp 0.7s cubic-bezier(0.16, 1, 0.3, 1) forwards; }
.animate-in-d1 { animation-delay: 0.1s; }
.animate-in-d2 { animation-delay: 0.2s; }
.reveal { opacity: 0; transform: translateY(30px); transition: opacity 0.7s cubic-bezier(0.16,1,0.3,1), transform 0.7s cubic-bezier(0.16,1,0.3,1); }
.reveal.visible { opacity: 1; transform: translateY(0); }

/* Cursor Glow */
.cursor-glow {
  position: fixed; width: 300px; height: 300px; border-radius: 50%;
  background: radial-gradient(circle, rgba(139,92,246,0.06) 0%, transparent 70%);
  pointer-events: none; z-index: 9999; transform: translate(-50%, -50%);
  transition: left 0.3s ease-out, top 0.3s ease-out; will-change: left, top;
}
@media (hover: none) { .cursor-glow { display: none; } }

/* Starfield */
.starfield {
  position: fixed; inset: 0;
  z-index: 0; pointer-events: none;
}
.star {
  position: absolute; border-radius: 50%;
}
@keyframes twinkle {
  0%, 100% { opacity: var(--star-opacity, 0.2); transform: scale(1); }
  50% { opacity: 1; transform: scale(1.3); }
}
@media (max-width: 768px) { .starfield { display: none; } }
[data-theme="light"] .starfield { opacity: 0.12; }

/* Background Orbs */
.bg-orb { position: fixed; border-radius: 50%; pointer-events: none; z-index: -1; }
.bg-orb-1 { top: -20vh; right: -10vw; width: 60vw; height: 60vw; background: radial-gradient(circle, rgba(139,92,246,0.08) 0%, transparent 70%); animation: orb1 25s ease-in-out infinite; }
.bg-orb-2 { bottom: -30vh; left: -15vw; width: 70vw; height: 70vw; background: radial-gradient(circle, rgba(99,102,241,0.06) 0%, transparent 70%); animation: orb2 30s ease-in-out infinite; }
@keyframes orb1 { 0%,100%{transform:translate(0,0)scale(1)} 33%{transform:translate(-5vw,8vh)scale(1.05)} 66%{transform:translate(3vw,-5vh)scale(0.95)} }
@keyframes orb2 { 0%,100%{transform:translate(0,0)scale(1)} 33%{transform:translate(4vw,-6vh)scale(0.95)} 66%{transform:translate(-3vw,7vh)scale(1.05)} }

/* Nav Right (theme toggle + hamburger) */
.nav-right { display: flex; align-items: center; gap: var(--space-2); }

/* Hamburger */
.hamburger {
  display: none; flex-direction: column; justify-content: center; gap: 5px;
  width: 36px; height: 36px; padding: 6px;
  background: transparent; border: 1px solid var(--border); border-radius: var(--radius-md);
  cursor: pointer; transition: all 0.2s ease;
}
.hamburger span {
  display: block; width: 100%; height: 2px; background: var(--text-secondary);
  border-radius: 2px; transition: all 0.3s ease; transform-origin: center;
}
.hamburger:hover { background: var(--bg-elevated); border-color: var(--border-hover); }
.hamburger:hover span { background: var(--text-primary); }
.hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Mobile Overlay */
.mobile-overlay {
  display: none; position: fixed; inset: 0; z-index: 90;
  background: rgba(0,0,0,0.5); backdrop-filter: blur(4px);
  opacity: 0; transition: opacity 0.3s ease;
}
.mobile-overlay.active { display: block; opacity: 1; }

/* Responsive */
@media (max-width: 768px) {
  :root { --container: 100%; }
  .nav { padding: 0 var(--space-6); }
  .hamburger { display: flex; }
  .nav-links {
    display: flex; flex-direction: column;
    position: fixed; top: 72px; right: 0; z-index: 100;
    width: 260px; height: calc(100vh - 72px);
    background: var(--bg-surface); border-left: 1px solid var(--border);
    padding: var(--space-6); gap: var(--space-1);
    transform: translateX(100%); transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  }
  .nav-links.open { transform: translateX(0); }
  .nav-links a {
    font-size: var(--text-base); padding: var(--space-3) var(--space-4);
    border-radius: var(--radius-md); color: var(--text-secondary);
  }
  .nav-links a:hover { color: var(--text-primary); background: var(--bg-elevated); }
  .section { padding: var(--space-12) 0; }
  .section-title { font-size: var(--text-2xl); }
  .hero { padding: var(--space-10) 0; }
  .projects-highlight { grid-template-columns: 1fr; }
  .projects-grid { grid-template-columns: 1fr; }
  .project-card__image { height: 160px; }
  .project-filters { gap: var(--space-1); }
  .projects-header { flex-direction: column; align-items: flex-start; }
  .marquee-card { width: 220px; }
  .marquee-card__image { height: 100px; }
  .contact-grid { grid-template-columns: 1fr; }
  .footer-inner { flex-direction: column; gap: var(--space-4); text-align: center; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; transition-duration: 0.01ms !important; }
  .reveal, .animate-in { opacity: 1 !important; transform: none !important; }
  .section-glow, .bg-orb { display: none; }
}

@media (max-width: 768px) {
  .section-glow { display: none; }
}
.skill-tag.primary {
  background: var(--accent-gradient);
  color: white;
  border-color: transparent;
  font-weight: 600;
}
[data-theme="light"] .skill-tag.primary {
  color: white;
}