/* ============================================================
   ADHIRAJ LONDHE — PORTFOLIO
   Design System: Dark Glassmorphism + Cyan Accents
   ============================================================ */

/* Google Fonts — must be first */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=DM+Serif+Display:ital@0;1&display=swap');

/* Page load fade-in */
html { animation: pageFadeIn 0.4s ease forwards; }
@keyframes pageFadeIn { from { opacity: 0; } to { opacity: 1; } }

/* ── CSS Custom Properties ── */
:root {
  /* Colors */
  --bg-base:        #070b14;
  --bg-surface:     #0d1426;
  --bg-card:        rgba(255, 255, 255, 0.04);
  --bg-card-hover:  rgba(255, 255, 255, 0.07);
  --border:         rgba(255, 255, 255, 0.08);
  --border-hover:   rgba(0, 212, 255, 0.35);

  --accent:         #00d4ff;
  --accent-dim:     rgba(0, 212, 255, 0.12);
  --accent-glow:    rgba(0, 212, 255, 0.25);

  --text-primary:   #f0f4ff;
  --text-secondary: #8892a4;
  --text-muted:     #505a6e;

  --gradient-hero:  linear-gradient(135deg, #070b14 0%, #0d1a35 50%, #051020 100%);
  --gradient-accent: linear-gradient(135deg, #00d4ff, #0068b5);

  /* Typography */
  --font-body:    'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-heading: 'DM Serif Display', Georgia, serif;

  /* Spacing */
  --nav-h:        72px;
  --section-py:   100px;
  --max-w:        1100px;
  --card-radius:  16px;

  /* Transitions */
  --ease:         cubic-bezier(0.4, 0, 0.2, 1);
  --dur:          0.3s;
}

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

/* ── Noise Texture Overlay ── */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)'/%3E%3C/svg%3E");
  opacity: 0.025;
  pointer-events: none;
  z-index: 0;
}

/* ── Scrollbar ── */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--bg-base); }
::-webkit-scrollbar-thumb { background: var(--text-muted); border-radius: 99px; }
::-webkit-scrollbar-thumb:hover { background: var(--accent); }

/* ============================================================
   NAVIGATION
   ============================================================ */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--nav-h);
  z-index: 1000;
  transition: background var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}
.nav.scrolled {
  background: rgba(7, 11, 20, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  box-shadow: 0 1px 0 var(--border), 0 8px 32px rgba(0,0,0,0.4);
}
.nav-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 24px;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.nav-logo {
  font-family: var(--font-heading);
  font-size: 1.35rem;
  letter-spacing: 0.02em;
  color: var(--text-primary);
  transition: color var(--dur) var(--ease);
}
.nav-logo:hover { color: var(--accent); }
.nav-logo span { color: var(--accent); }

.nav-links {
  display: flex;
  align-items: center;
  gap: 36px;
}
.nav-link {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-secondary);
  letter-spacing: 0.04em;
  transition: color var(--dur) var(--ease);
  position: relative;
}
.nav-link::after {
  content: '';
  position: absolute;
  bottom: -4px; left: 0; right: 100%;
  height: 1px;
  background: var(--accent);
  transition: right var(--dur) var(--ease);
}
.nav-link:hover, .nav-link.active { color: var(--text-primary); }
.nav-link.active::after { right: 0; }
.nav-link:hover::after { right: 0; }

.nav-cta {
  padding: 9px 20px;
  border: 1px solid var(--accent);
  border-radius: 8px;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--accent);
  letter-spacing: 0.04em;
  transition: background var(--dur) var(--ease), color var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}
.nav-cta:hover {
  background: var(--accent);
  color: var(--bg-base);
  box-shadow: 0 0 20px var(--accent-glow);
}

/* Mobile Hamburger */
.nav-hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 4px;
}
.nav-hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text-primary);
  border-radius: 2px;
  transition: transform var(--dur) var(--ease), opacity var(--dur) var(--ease);
}
.nav-hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-hamburger.open span:nth-child(2) { opacity: 0; }
.nav-hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Mobile Menu */
.nav-mobile {
  position: fixed;
  top: var(--nav-h); left: 0; right: 0;
  background: rgba(7, 11, 20, 0.97);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  padding: 0 24px;
  flex-direction: column;
  gap: 4px;
  z-index: 999;
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s var(--ease), padding 0.3s ease;
  display: flex;
}
.nav-mobile.open {
  max-height: 500px;
  padding: 16px 24px 24px;
}
.nav-mobile .nav-link {
  padding: 14px 0;
  font-size: 1rem;
  border-bottom: 1px solid var(--border);
  color: var(--text-primary);
}
.nav-mobile .nav-cta { margin-top: 16px; text-align: center; }

/* ============================================================
   SHARED LAYOUT
   ============================================================ */
.section {
  padding: var(--section-py) 24px;
  position: relative;
  z-index: 1;
}
.container {
  max-width: var(--max-w);
  margin: 0 auto;
}
.section-label {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 16px;
}
.section-label::before {
  content: '';
  display: block;
  width: 28px;
  height: 1px;
  background: var(--accent);
}
.section-title {
  font-family: var(--font-heading);
  font-size: clamp(2rem, 4vw, 2.75rem);
  line-height: 1.15;
  color: var(--text-primary);
  margin-bottom: 16px;
}
.section-subtitle {
  font-size: 1.0625rem;
  color: var(--text-secondary);
  max-width: 560px;
  line-height: 1.7;
  margin-bottom: 60px;
}

/* ── Glass Card ── */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--card-radius);
  padding: 32px;
  transition: background var(--dur) var(--ease), border-color var(--dur) var(--ease), transform var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}
.card:hover {
  background: var(--bg-card-hover);
  border-color: var(--border-hover);
  transform: translateY(-4px);
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.3), 0 0 0 1px var(--border-hover), 0 0 30px var(--accent-dim);
}

/* ── Buttons ── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 13px 28px;
  border-radius: 10px;
  font-size: 0.9375rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  transition: all var(--dur) var(--ease);
}
.btn-primary {
  background: var(--gradient-accent);
  color: #fff;
  box-shadow: 0 0 24px var(--accent-glow);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 0 40px var(--accent-glow), 0 8px 24px rgba(0,0,0,0.3);
}
.btn-outline {
  border: 1px solid var(--border-hover);
  color: var(--accent);
}
.btn-outline:hover {
  background: var(--accent-dim);
  transform: translateY(-2px);
}

/* ── Tags / Pills ── */
.tag {
  display: inline-block;
  padding: 4px 12px;
  border-radius: 99px;
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  background: var(--accent-dim);
  color: var(--accent);
  border: 1px solid rgba(0, 212, 255, 0.2);
}

/* ── Reveal Animations ── */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.65s var(--ease), transform 0.65s var(--ease);
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}
.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }
.reveal-delay-4 { transition-delay: 0.4s; }

/* ============================================================
   HERO SECTION
   ============================================================ */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  padding: calc(var(--nav-h) + 60px) 24px 80px;
}

/* Gradient orbs */
.hero::before {
  content: '';
  position: absolute;
  top: -20%;
  left: -10%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(0, 212, 255, 0.07) 0%, transparent 70%);
  pointer-events: none;
}
.hero::after {
  content: '';
  position: absolute;
  bottom: 10%;
  right: -5%;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(0, 104, 181, 0.08) 0%, transparent 70%);
  pointer-events: none;
}

.hero-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 60px;
  align-items: center;
  width: 100%;
}

.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 0.8125rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 20px;
}
.hero-eyebrow::before {
  content: '';
  display: block;
  width: 36px;
  height: 1px;
  background: var(--accent);
}

.hero-name {
  font-family: var(--font-heading);
  font-size: clamp(3rem, 7vw, 5.5rem);
  line-height: 1.05;
  letter-spacing: -0.02em;
  color: var(--text-primary);
  margin-bottom: 20px;
}
.hero-name .accent { color: var(--accent); }

.hero-title {
  font-size: clamp(1.1rem, 2.5vw, 1.4rem);
  font-weight: 400;
  color: var(--text-secondary);
  margin-bottom: 28px;
  line-height: 1.5;
}
.hero-title strong {
  color: var(--text-primary);
  font-weight: 600;
}

.hero-desc {
  font-size: 1.0625rem;
  color: var(--text-secondary);
  max-width: 520px;
  line-height: 1.75;
  margin-bottom: 44px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-bottom: 60px;
}

.hero-stats {
  display: flex;
  gap: 40px;
  padding-top: 40px;
  border-top: 1px solid var(--border);
}
.stat-num {
  font-family: var(--font-heading);
  font-size: 2rem;
  color: var(--text-primary);
  line-height: 1;
}
.stat-num span { color: var(--accent); }
.stat-label {
  font-size: 0.8125rem;
  color: var(--text-muted);
  margin-top: 4px;
}

/* Hero Photo */
.hero-photo-wrap {
  position: relative;
  flex-shrink: 0;
}
.hero-photo-ring {
  position: absolute;
  inset: -12px;
  border-radius: 50%;
  border: 1px solid var(--border-hover);
  animation: spin 20s linear infinite;
}
.hero-photo-ring::before {
  content: '';
  position: absolute;
  top: -3px; left: 50%;
  width: 6px; height: 6px;
  background: var(--accent);
  border-radius: 50%;
  transform: translateX(-50%);
  box-shadow: 0 0 12px var(--accent);
}
@keyframes spin { to { transform: rotate(360deg); } }
.hero-photo {
  width: 280px;
  height: 280px;
  border-radius: 50%;
  object-fit: cover;
  object-position: center top;
  filter: grayscale(20%) contrast(1.05);
  transition: filter var(--dur) var(--ease);
}
.hero-photo:hover { filter: grayscale(0%) contrast(1.1); }

/* ============================================================
   ABOUT SECTION (on index.html)
   ============================================================ */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: start;
}
.about-text p {
  color: var(--text-secondary);
  line-height: 1.8;
  margin-bottom: 20px;
  font-size: 1.0625rem;
}
.about-text p:last-child { margin-bottom: 0; }
.about-text p strong { color: var(--text-primary); font-weight: 600; }

.about-highlights {
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.highlight-item {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  padding: 20px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  transition: border-color var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}
.highlight-item:hover {
  border-color: var(--border-hover);
  box-shadow: 0 0 20px var(--accent-dim);
}
.highlight-icon {
  font-size: 1.5rem;
  line-height: 1;
  flex-shrink: 0;
  margin-top: 2px;
}
.highlight-title {
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 4px;
}
.highlight-desc {
  font-size: 0.875rem;
  color: var(--text-secondary);
  line-height: 1.5;
}

/* ============================================================
   EXPERIENCE PAGE
   ============================================================ */
.page-hero {
  padding: calc(var(--nav-h) + 60px) 24px 60px;
  text-align: center;
  position: relative;
}
.page-hero::before {
  content: '';
  position: absolute;
  top: 0; left: 50%; transform: translateX(-50%);
  width: 600px;
  height: 300px;
  background: radial-gradient(ellipse, rgba(0, 212, 255, 0.06) 0%, transparent 70%);
  pointer-events: none;
}
.page-hero .section-label { justify-content: center; }
.page-hero .section-title { font-size: clamp(2.5rem, 5vw, 3.75rem); }

/* Timeline */
.timeline {
  position: relative;
  padding-left: 36px;
}
.timeline::before {
  content: '';
  position: absolute;
  left: 0; top: 8px; bottom: 8px;
  width: 1px;
  background: linear-gradient(to bottom, var(--accent), transparent);
}
.timeline-item {
  position: relative;
  margin-bottom: 48px;
}
.timeline-item:last-child { margin-bottom: 0; }
.timeline-dot {
  position: absolute;
  left: -41px;
  top: 8px;
  width: 10px;
  height: 10px;
  background: var(--accent);
  border-radius: 50%;
  box-shadow: 0 0 0 4px var(--accent-dim);
}
.timeline-dot.current {
  animation: pulse 2s infinite;
}
@keyframes pulse {
  0%, 100% { box-shadow: 0 0 0 4px var(--accent-dim); }
  50% { box-shadow: 0 0 0 8px rgba(0, 212, 255, 0.05); }
}
.timeline-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 8px;
}
.timeline-role {
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--text-primary);
}
.timeline-date {
  font-size: 0.8125rem;
  color: var(--accent);
  font-weight: 500;
  background: var(--accent-dim);
  padding: 4px 12px;
  border-radius: 99px;
  border: 1px solid rgba(0, 212, 255, 0.2);
  white-space: nowrap;
}
.timeline-company {
  font-size: 0.9375rem;
  color: var(--accent);
  font-weight: 500;
  margin-bottom: 16px;
}
.timeline-bullets {
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.timeline-bullets li {
  font-size: 0.9375rem;
  color: var(--text-secondary);
  line-height: 1.65;
  padding-left: 16px;
  position: relative;
}
.timeline-bullets li::before {
  content: '▹';
  position: absolute;
  left: 0;
  color: var(--accent);
  font-size: 0.875rem;
}

/* Education Section */
.edu-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 24px;
}
.edu-card {
  padding: 28px;
}
.edu-degree {
  font-family: var(--font-heading);
  font-size: 1.1875rem;
  color: var(--text-primary);
  margin-bottom: 6px;
}
.edu-school {
  font-size: 0.9375rem;
  color: var(--accent);
  font-weight: 500;
  margin-bottom: 8px;
}
.edu-detail {
  font-size: 0.875rem;
  color: var(--text-secondary);
  line-height: 1.5;
}

/* ============================================================
   PROJECTS PAGE
   ============================================================ */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 28px;
}
.project-card {
  display: flex;
  flex-direction: column;
}
.project-num {
  font-family: var(--font-heading);
  font-size: 3.5rem;
  color: rgba(0, 212, 255, 0.08);
  line-height: 1;
  margin-bottom: 16px;
  font-style: italic;
}
.project-title {
  font-size: 1.1875rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 12px;
}
.project-desc {
  font-size: 0.9375rem;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 24px;
  flex: 1;
}
.project-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 20px;
}
.project-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--accent);
  transition: gap var(--dur) var(--ease);
}
.project-link:hover { gap: 10px; }
.project-link svg { flex-shrink: 0; }

/* ============================================================
   SKILLS SECTION
   ============================================================ */
.skills-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 24px;
}
.skill-category {
  padding: 28px;
}
.skill-cat-title {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 20px;
  display: flex;
  align-items: center;
  gap: 8px;
}
.skill-cat-title::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--border);
}
.skill-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.skill-pill {
  padding: 6px 14px;
  border-radius: 99px;
  font-size: 0.8125rem;
  font-weight: 500;
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--border);
  color: var(--text-secondary);
  transition: border-color var(--dur) var(--ease), color var(--dur) var(--ease), background var(--dur) var(--ease);
}
.skill-pill:hover {
  border-color: var(--border-hover);
  color: var(--accent);
  background: var(--accent-dim);
}

/* ============================================================
   CONTACT PAGE
   ============================================================ */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: start;
}
.contact-info p {
  font-size: 1.0625rem;
  color: var(--text-secondary);
  line-height: 1.75;
  margin-bottom: 40px;
}
.contact-links {
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.contact-link-item {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 18px 20px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  transition: border-color var(--dur) var(--ease), transform var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}
.contact-link-item:hover {
  border-color: var(--border-hover);
  transform: translateX(6px);
  box-shadow: 0 0 20px var(--accent-dim);
}
.contact-link-icon {
  width: 44px;
  height: 44px;
  background: var(--accent-dim);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent);
  flex-shrink: 0;
}
.contact-link-label {
  font-size: 0.8125rem;
  color: var(--text-muted);
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}
.contact-link-value {
  font-size: 0.9375rem;
  color: var(--text-primary);
  font-weight: 500;
  margin-top: 2px;
}

/* Contact Form */
.contact-form {
  display: flex;
  flex-direction: column;
  gap: 20px;
}
.form-group { display: flex; flex-direction: column; gap: 8px; }
.form-label {
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--text-secondary);
  letter-spacing: 0.04em;
}
.form-input, .form-textarea {
  width: 100%;
  padding: 14px 16px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 10px;
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: 0.9375rem;
  transition: border-color var(--dur) var(--ease), box-shadow var(--dur) var(--ease), background var(--dur) var(--ease);
  outline: none;
}
.form-input:focus, .form-textarea:focus {
  border-color: var(--accent);
  background: rgba(0, 212, 255, 0.04);
  box-shadow: 0 0 0 3px var(--accent-dim);
}
.form-input::placeholder, .form-textarea::placeholder { color: var(--text-muted); }
.form-textarea { resize: vertical; min-height: 140px; }
.form-submit {
  align-self: flex-start;
}

/* ============================================================
   FOOTER
   ============================================================ */
.footer {
  padding: 48px 24px;
  border-top: 1px solid var(--border);
  position: relative;
  z-index: 1;
}
.footer-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 24px;
}
.footer-logo {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  color: var(--text-secondary);
}
.footer-logo span { color: var(--accent); }
.footer-copy {
  font-size: 0.8125rem;
  color: var(--text-muted);
  text-align: center;
}
.footer-socials {
  display: flex;
  gap: 16px;
}
.social-link {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--border);
  border-radius: 10px;
  color: var(--text-secondary);
  transition: border-color var(--dur) var(--ease), color var(--dur) var(--ease), background var(--dur) var(--ease);
}
.social-link:hover {
  border-color: var(--border-hover);
  color: var(--accent);
  background: var(--accent-dim);
}

/* ============================================================
   PAGE-SPECIFIC BACKGROUNDS (subtle section tints)
   ============================================================ */
.bg-alt {
  background: rgba(13, 20, 38, 0.6);
}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 900px) {
  :root { --section-py: 70px; }

  .hero-inner { grid-template-columns: 1fr; text-align: center; }
  .hero-eyebrow { justify-content: center; }
  .hero-desc { margin-left: auto; margin-right: auto; }
  .hero-actions { justify-content: center; }
  .hero-stats { justify-content: center; }
  .hero-photo-wrap { order: -1; display: flex; justify-content: center; }
  .hero-photo { width: 200px; height: 200px; }
  .hero-photo-ring { inset: -10px; }

  .about-grid { grid-template-columns: 1fr; gap: 40px; }
  .contact-grid { grid-template-columns: 1fr; gap: 40px; }
}

@media (max-width: 768px) {
  .nav-links { display: none; }
  .nav-hamburger { display: flex; }

  .hero-stats { gap: 24px; flex-wrap: wrap; }
  .projects-grid { grid-template-columns: 1fr; }
  .skills-grid { grid-template-columns: 1fr; }
  .edu-grid { grid-template-columns: 1fr; }

  .footer-inner { flex-direction: column; align-items: center; text-align: center; }
}

@media (max-width: 480px) {
  :root { --section-py: 56px; }
  .hero-actions { flex-direction: column; width: 100%; }
  .hero-actions .btn { justify-content: center; }
  .timeline { padding-left: 24px; }
}