/* ═══════════════════════════════════════════════════════════════
   BEEEEE BBBB — Portfolio CSS
   Theme: Cyberpunk × Luxury × Futuristic
   ═══════════════════════════════════════════════════════════════ */

/* ── CSS Variables ── */
:root {
  --bg: #0A0A0F;
  --bg2: #0D0D15;
  --bg3: #111120;
  --glass-bg: rgba(255,255,255,0.04);
  --glass-border: rgba(0, 240, 255, 0.15);
  --text: #E8E8F0;
  --text-muted: #8888AA;
  --cyan: #00F0FF;
  --pink: #FF007F;
  --purple: #B026FF;
  --white: #FFFFFF;
  --shadow-cyan: 0 0 20px rgba(0,240,255,0.3);
  --shadow-pink: 0 0 20px rgba(255,0,127,0.3);
  --shadow-purple: 0 0 20px rgba(176,38,255,0.3);
  --font-head: 'Orbitron', sans-serif;
  --font-body: 'Poppins', sans-serif;
  --font-alt: 'Space Grotesk', sans-serif;
  --nav-h: 70px;
  --radius: 16px;
  --transition: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
}

[data-theme="light"] {
  --bg: #F0F2FF;
  --bg2: #E8EAF6;
  --bg3: #FFFFFF;
  --glass-bg: rgba(255,255,255,0.6);
  --glass-border: rgba(0, 240, 255, 0.4);
  --text: #111133;
  --text-muted: #555577;
  --shadow-cyan: 0 0 30px rgba(0,240,255,0.25);
}

/* ── Reset & Base ── */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  overflow-x: hidden;
  cursor: none;
  transition: background var(--transition), color var(--transition);
}

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

/* ── Scroll Progress Bar ── */
#scroll-progress {
  position: fixed;
  top: 0; left: 0;
  width: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--cyan), var(--pink), var(--purple));
  z-index: 9999;
  transition: width 0.1s linear;
  box-shadow: 0 0 10px var(--cyan);
}

/* ── Custom Cursor ── */
#cursor-dot {
  position: fixed;
  width: 8px; height: 8px;
  background: var(--cyan);
  border-radius: 50%;
  pointer-events: none;
  z-index: 9998;
  transform: translate(-50%, -50%);
  box-shadow: 0 0 10px var(--cyan);
  transition: background 0.2s;
}

#cursor-outline {
  position: fixed;
  width: 36px; height: 36px;
  border: 1.5px solid var(--cyan);
  border-radius: 50%;
  pointer-events: none;
  z-index: 9997;
  transform: translate(-50%, -50%);
  transition: width 0.2s, height 0.2s, border-color 0.2s;
  opacity: 0.6;
}

#cursor-outline.hovering {
  width: 56px; height: 56px;
  border-color: var(--pink);
  opacity: 1;
}

/* ── Loading Screen ── */
#loading-screen {
  position: fixed;
  inset: 0;
  background: var(--bg);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 99999;
  transition: opacity 0.6s ease, visibility 0.6s ease;
}

#loading-screen.hidden {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

.loader-inner {
  text-align: center;
}

.loader-logo {
  font-family: var(--font-head);
  font-size: 2rem;
  color: var(--cyan);
  display: flex;
  align-items: center;
  gap: 12px;
  justify-content: center;
  margin-bottom: 30px;
  animation: pulse-glow 1s ease-in-out infinite alternate;
}

@keyframes pulse-glow {
  from { text-shadow: 0 0 10px var(--cyan); }
  to { text-shadow: 0 0 40px var(--cyan), 0 0 80px var(--cyan); }
}

.loader-bar-wrap {
  width: 280px;
  height: 3px;
  background: rgba(255,255,255,0.1);
  border-radius: 99px;
  overflow: hidden;
  margin: 0 auto 14px;
}

.loader-bar {
  height: 100%;
  background: linear-gradient(90deg, var(--cyan), var(--pink));
  border-radius: 99px;
  animation: loader-fill 1.5s ease forwards;
  box-shadow: 0 0 10px var(--cyan);
}

@keyframes loader-fill {
  from { width: 0; }
  to { width: 100%; }
}

.loader-text {
  font-family: var(--font-head);
  font-size: 0.65rem;
  letter-spacing: 4px;
  color: var(--text-muted);
}

/* ── Navbar ── */
#navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--nav-h);
  z-index: 1000;
  transition: background 0.4s, backdrop-filter 0.4s, box-shadow 0.4s;
}

#navbar.scrolled {
  background: rgba(10,10,15,0.85);
  backdrop-filter: blur(20px);
  box-shadow: 0 1px 0 var(--glass-border);
}

[data-theme="light"] #navbar.scrolled {
  background: rgba(240,242,255,0.85);
}

.nav-container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 24px;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  font-family: var(--font-head);
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--text);
  display: flex;
  align-items: center;
  gap: 8px;
  letter-spacing: 1px;
}

.nav-logo i { color: var(--cyan); }

.nav-links {
  display: flex;
  align-items: center;
  gap: 8px;
}

.nav-link {
  font-size: 0.85rem;
  font-weight: 500;
  padding: 6px 14px;
  border-radius: 99px;
  letter-spacing: 0.5px;
  color: var(--text-muted);
  transition: color var(--transition), background var(--transition);
  font-family: var(--font-alt);
}

.nav-link:hover,
.nav-link.active {
  color: var(--cyan);
  background: rgba(0,240,255,0.08);
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

#theme-toggle {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  color: var(--cyan);
  width: 38px; height: 38px;
  border-radius: 50%;
  cursor: none;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.9rem;
  transition: all var(--transition);
}

#theme-toggle:hover {
  background: rgba(0,240,255,0.15);
  box-shadow: var(--shadow-cyan);
}

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: none;
  padding: 4px;
}

.hamburger span {
  width: 24px; height: 2px;
  background: var(--cyan);
  border-radius: 2px;
  display: block;
  transition: all 0.3s;
}

.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); }

/* ── Container & Sections ── */
.container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 24px;
}

section {
  padding: 100px 0;
  position: relative;
}

.section-header {
  text-align: center;
  margin-bottom: 64px;
}

.section-label {
  font-family: var(--font-head);
  font-size: 0.72rem;
  letter-spacing: 4px;
  color: var(--cyan);
  display: block;
  margin-bottom: 14px;
  opacity: 0.8;
}

.section-header h2 {
  font-family: var(--font-head);
  font-size: clamp(2rem, 5vw, 3.2rem);
  font-weight: 700;
  background: linear-gradient(135deg, var(--text) 0%, var(--cyan) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ── Glass Card ── */
.glass {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
}

/* ── Neon helpers ── */
.neon-cyan { color: var(--cyan); }
.neon-pink { color: var(--pink); }
.neon-purple { color: var(--purple); }

/* ── Buttons ── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 28px;
  border-radius: 99px;
  font-family: var(--font-alt);
  font-weight: 600;
  font-size: 0.9rem;
  cursor: none;
  transition: all var(--transition);
  border: none;
  letter-spacing: 0.3px;
}

.btn-primary {
  background: linear-gradient(135deg, var(--cyan), var(--purple));
  color: #000;
  box-shadow: 0 4px 24px rgba(0,240,255,0.35);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 32px rgba(0,240,255,0.55);
}

.btn-outline {
  background: transparent;
  border: 1.5px solid var(--cyan);
  color: var(--cyan);
}

.btn-outline:hover {
  background: rgba(0,240,255,0.1);
  box-shadow: var(--shadow-cyan);
  transform: translateY(-2px);
}

.btn-ghost {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  color: var(--text);
}

.btn-ghost:hover {
  background: rgba(255,255,255,0.08);
  transform: translateY(-2px);
}

.btn-sm {
  padding: 8px 18px;
  font-size: 0.8rem;
}

.w-full { width: 100%; justify-content: center; }
.mt-2 { margin-top: 20px; }

/* ── Tags ── */
.tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 14px;
  border-radius: 99px;
  font-size: 0.78rem;
  background: rgba(0,240,255,0.08);
  border: 1px solid rgba(0,240,255,0.2);
  color: var(--cyan);
  font-family: var(--font-alt);
}

.tag.small {
  padding: 3px 10px;
  font-size: 0.72rem;
}

.tag.neon {
  background: rgba(176,38,255,0.1);
  border-color: rgba(176,38,255,0.3);
  color: var(--purple);
}

/* ══════════════════════════════════════════════════════════
   HERO
══════════════════════════════════════════════════════════ */
#hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
  padding: 0;
}

#hero-canvas {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero-content {
  position: relative;
  z-index: 2;
  padding: var(--nav-h) 24px 0;
  max-width: 720px;
  margin-left: calc((100vw - 1280px) / 2);
  padding-left: 24px;
}

@media (max-width: 1280px) { .hero-content { margin-left: 0; } }

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px;
  border-radius: 99px;
  border: 1px solid rgba(0,240,255,0.3);
  background: rgba(0,240,255,0.06);
  font-size: 0.78rem;
  font-family: var(--font-alt);
  color: var(--cyan);
  margin-bottom: 28px;
}

.badge-dot {
  width: 7px; height: 7px;
  border-radius: 50%;
  background: #22ff88;
  box-shadow: 0 0 8px #22ff88;
  animation: blink 1.4s infinite;
}

@keyframes blink {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.3; }
}

.hero-name {
  font-family: var(--font-head);
  font-size: clamp(3rem, 9vw, 7rem);
  font-weight: 900;
  line-height: 1.02;
  margin-bottom: 18px;
  letter-spacing: -1px;
}

.name-line { display: block; }

.name-line.accent {
  background: linear-gradient(135deg, var(--cyan) 0%, var(--purple) 50%, var(--pink) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-typed-wrap {
  font-family: var(--font-alt);
  font-size: clamp(1rem, 2.5vw, 1.4rem);
  color: var(--cyan);
  margin-bottom: 20px;
  min-height: 2em;
  letter-spacing: 0.5px;
}

.typed-cursor {
  animation: blink 0.7s infinite;
  color: var(--pink);
}

.hero-desc {
  font-size: 1rem;
  line-height: 1.8;
  color: var(--text-muted);
  margin-bottom: 36px;
  max-width: 520px;
}

.hero-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-bottom: 48px;
}

.hero-scroll-hint {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 10px;
  font-size: 0.75rem;
  color: var(--text-muted);
  font-family: var(--font-alt);
  letter-spacing: 2px;
}

.scroll-line {
  width: 2px;
  height: 48px;
  background: linear-gradient(to bottom, var(--cyan), transparent);
  animation: scroll-pulse 2s ease-in-out infinite;
}

@keyframes scroll-pulse {
  0%, 100% { opacity: 1; height: 48px; }
  50% { opacity: 0.4; height: 28px; }
}

.hero-profile-float {
  position: absolute;
  right: calc((100vw - 1280px) / 2 + 24px);
  top: 50%;
  transform: translateY(-50%);
  z-index: 2;
}

@media (max-width: 1280px) { .hero-profile-float { right: 24px; } }

.profile-glow-ring {
  width: 280px; height: 280px;
  border-radius: 50%;
  border: 2px solid var(--cyan);
  padding: 8px;
  box-shadow: 0 0 40px rgba(0,240,255,0.4), inset 0 0 40px rgba(0,240,255,0.1);
  animation: ring-pulse 3s ease-in-out infinite;
  position: relative;
}

@keyframes ring-pulse {
  0%, 100% { box-shadow: 0 0 40px rgba(0,240,255,0.4), inset 0 0 40px rgba(0,240,255,0.1); }
  50% { box-shadow: 0 0 80px rgba(0,240,255,0.7), inset 0 0 60px rgba(0,240,255,0.2); }
}

.hero-avatar {
  width: 100%; height: 100%;
  border-radius: 50%;
  object-fit: cover;
}

/* ══════════════════════════════════════════════════════════
   ABOUT
══════════════════════════════════════════════════════════ */
#about { background: var(--bg2); }

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 60px;
  align-items: start;
}

.about-img-wrap {
  position: relative;
  display: inline-block;
  border-radius: 20px;
  overflow: visible;
}

.about-img-glow {
  position: absolute;
  inset: -4px;
  border-radius: 24px;
  background: linear-gradient(135deg, var(--cyan), var(--pink), var(--purple));
  z-index: 0;
  filter: blur(1px);
}

.about-img {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: 340px;
  border-radius: 18px;
  object-fit: cover;
  border: 2px solid var(--bg);
}

.about-logo-badge {
  position: absolute;
  bottom: -16px;
  right: -16px;
  z-index: 2;
  background: var(--bg);
  border: 2px solid var(--cyan);
  border-radius: 12px;
  padding: 8px 16px;
  font-family: var(--font-head);
  font-size: 0.75rem;
  color: var(--cyan);
  display: flex;
  align-items: center;
  gap: 6px;
  box-shadow: var(--shadow-cyan);
}

.about-stats {
  display: flex;
  gap: 14px;
  margin-top: 40px;
}

.stat-card {
  flex: 1;
  padding: 18px 12px;
  text-align: center;
  border-radius: 14px;
}

.stat-number {
  font-family: var(--font-head);
  font-size: 1.8rem;
  color: var(--cyan);
  font-weight: 700;
}

.stat-card p {
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-top: 4px;
  font-family: var(--font-alt);
}

.about-text h3 {
  font-family: var(--font-head);
  font-size: 1.7rem;
  margin-bottom: 20px;
  line-height: 1.3;
}

.about-text p {
  color: var(--text-muted);
  line-height: 1.9;
  margin-bottom: 16px;
}

.about-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 24px;
}

/* ══════════════════════════════════════════════════════════
   EDUCATION TIMELINE
══════════════════════════════════════════════════════════ */
#education {
  position: relative;
}

.timeline {
  position: relative;
  max-width: 900px;
  margin: 0 auto;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 50%;
  top: 0; bottom: 0;
  width: 2px;
  background: linear-gradient(to bottom, var(--cyan), var(--purple), var(--pink));
  transform: translateX(-50%);
  box-shadow: 0 0 10px var(--cyan);
}

.timeline-item {
  display: flex;
  justify-content: flex-start;
  padding-left: calc(50% + 40px);
  margin-bottom: 60px;
  position: relative;
}

.timeline-item.right {
  justify-content: flex-end;
  padding-left: 0;
  padding-right: calc(50% + 40px);
}

.timeline-dot {
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  top: 24px;
  width: 44px; height: 44px;
  border-radius: 50%;
  background: var(--bg);
  border: 2px solid var(--cyan);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--cyan);
  font-size: 1rem;
  box-shadow: var(--shadow-cyan);
  z-index: 2;
}

.timeline-dot.neon-active {
  border-color: var(--purple);
  color: var(--purple);
  box-shadow: var(--shadow-purple);
  animation: ring-pulse 2s infinite;
}

.timeline-card {
  max-width: 380px;
  padding: 28px;
}

.active-card {
  border-color: var(--purple);
  box-shadow: 0 0 30px rgba(176,38,255,0.15);
}

.timeline-year {
  font-family: var(--font-head);
  font-size: 0.72rem;
  letter-spacing: 3px;
  color: var(--cyan);
  margin-bottom: 10px;
}

.timeline-card h3 {
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 6px;
}

.timeline-sub {
  font-size: 0.82rem;
  color: var(--pink);
  margin-bottom: 12px;
  font-family: var(--font-alt);
}

.timeline-card p {
  font-size: 0.88rem;
  color: var(--text-muted);
  line-height: 1.7;
  margin-bottom: 14px;
}

.timeline-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

/* ══════════════════════════════════════════════════════════
   EXPERIENCE
══════════════════════════════════════════════════════════ */
#experience { background: var(--bg2); }

.exp-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 24px;
}

.exp-card {
  padding: 32px;
  display: flex;
  gap: 20px;
  border-radius: 20px;
  transition: transform var(--transition), box-shadow var(--transition);
}

.exp-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-cyan);
}

.exp-icon {
  width: 52px; height: 52px;
  min-width: 52px;
  border-radius: 14px;
  background: rgba(0,240,255,0.1);
  border: 1px solid rgba(0,240,255,0.25);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  color: var(--cyan);
}

.neon-pink-icon { color: var(--pink) !important; background: rgba(255,0,127,0.1) !important; border-color: rgba(255,0,127,0.25) !important; }
.neon-purple-icon { color: var(--purple) !important; background: rgba(176,38,255,0.1) !important; border-color: rgba(176,38,255,0.25) !important; }

.exp-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 10px;
  margin-bottom: 8px;
}

.exp-header h3 {
  font-size: 1.05rem;
  font-weight: 700;
}

.exp-date {
  font-size: 0.72rem;
  color: var(--cyan);
  font-family: var(--font-head);
  letter-spacing: 1px;
  white-space: nowrap;
}

.exp-company {
  font-size: 0.82rem;
  color: var(--text-muted);
  margin-bottom: 12px;
  font-family: var(--font-alt);
}

.exp-company i { color: var(--cyan); margin-right: 4px; }

.exp-duties {
  padding-left: 16px;
  margin-bottom: 14px;
}

.exp-duties li {
  font-size: 0.84rem;
  color: var(--text-muted);
  margin-bottom: 8px;
  line-height: 1.6;
  position: relative;
  list-style: disc;
}

.exp-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

/* ══════════════════════════════════════════════════════════
   SKILLS
══════════════════════════════════════════════════════════ */
#skills {
  background: radial-gradient(ellipse at 20% 50%, rgba(0,240,255,0.04) 0%, transparent 60%),
              radial-gradient(ellipse at 80% 50%, rgba(176,38,255,0.04) 0%, transparent 60%),
              var(--bg);
}

.skills-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
  gap: 20px;
}

.skill-category {
  border-radius: 16px;
  overflow: hidden;
  transition: box-shadow var(--transition);
}

.skill-category:hover {
  box-shadow: var(--shadow-cyan);
}

.skill-toggle {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 24px;
  background: none;
  border: none;
  cursor: none;
  color: var(--text);
  transition: background var(--transition);
}

.skill-toggle:hover { background: rgba(0,240,255,0.05); }

.skill-toggle[aria-expanded="true"] { background: rgba(0,240,255,0.07); }

.skill-toggle[aria-expanded="true"] .skill-arrow {
  transform: rotate(180deg);
  color: var(--cyan);
}

.skill-cat-label {
  display: flex;
  align-items: center;
  gap: 12px;
  font-family: var(--font-alt);
  font-weight: 600;
  font-size: 0.95rem;
}

.skill-cat-icon {
  font-size: 1.1rem;
  color: var(--cyan);
}

.skill-arrow {
  color: var(--text-muted);
  transition: transform 0.3s ease, color 0.3s;
  font-size: 0.8rem;
}

.skill-content {
  padding: 0 24px 24px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}
 .skill-item {}

.skill-info {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.84rem;
  color: var(--text-muted);
  margin-bottom: 7px;
  font-family: var(--font-alt);
}

.skill-info i { color: var(--cyan); margin-right: 6px; }

.skill-info span {
  color: var(--cyan);
  font-weight: 600;
  font-family: var(--font-head);
  font-size: 0.78rem;
}

.skill-bar {
  height: 5px;
  background: rgba(255,255,255,0.08);
  border-radius: 99px;
  overflow: hidden;
}

.skill-fill {
  height: 100%;
  width: 0;
  border-radius: 99px;
  background: linear-gradient(90deg, var(--cyan), var(--purple));
  box-shadow: 0 0 8px var(--cyan);
  transition: width 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.skill-fill.pink {
  background: linear-gradient(90deg, var(--pink), var(--purple));
  box-shadow: 0 0 8px var(--pink);
}

.skill-fill.purple {
  background: linear-gradient(90deg, var(--purple), var(--pink));
  box-shadow: 0 0 8px var(--purple);
}

/* ══════════════════════════════════════════════════════════
   PROJECTS
══════════════════════════════════════════════════════════ */
#projects { background: var(--bg2); }

.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
  gap: 24px;
}

.project-card {
  border-radius: 20px;
  overflow: hidden;
  transition: transform var(--transition), box-shadow var(--transition);
  transform-style: preserve-3d;
}

.project-card:hover {
  transform: translateY(-6px) scale(1.01);
  box-shadow: 0 16px 48px rgba(0,240,255,0.2);
}

.project-card.featured {
  border-color: var(--cyan);
  box-shadow: 0 0 20px rgba(0,240,255,0.1);
}

.project-card.featured-ai {
  border-color: var(--purple);
  box-shadow: 0 0 20px rgba(176,38,255,0.1);
}

.project-img-wrap {
  position: relative;
  overflow: hidden;
  height: 200px;
}

.project-img-wrap img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.project-card:hover .project-img-wrap img {
  transform: scale(1.08);
}

.project-overlay {
  position: absolute;
  inset: 0;
  background: rgba(10,10,15,0.75);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  opacity: 0;
  transition: opacity 0.3s;
  backdrop-filter: blur(4px);
}

.project-card:hover .project-overlay { opacity: 1; }

.project-content {
  padding: 22px;
}

.project-category {
  font-family: var(--font-head);
  font-size: 0.65rem;
  letter-spacing: 3px;
  color: var(--cyan);
  display: block;
  margin-bottom: 8px;
}

.project-content h3 {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 8px;
}

.project-content p {
  font-size: 0.84rem;
  color: var(--text-muted);
  line-height: 1.6;
  margin-bottom: 14px;
}

.project-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
}

.project-tags span {
  padding: 3px 10px;
  border-radius: 99px;
  font-size: 0.72rem;
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.1);
  font-family: var(--font-alt);
  color: var(--text-muted);
}

/* ══════════════════════════════════════════════════════════
   AI INTERESTS
══════════════════════════════════════════════════════════ */
#ai-interests {
  background: radial-gradient(ellipse at center, rgba(176,38,255,0.05) 0%, transparent 60%), var(--bg);
}

.interests-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 20px;
}

.interest-card {
  padding: 32px 24px;
  border-radius: 20px;
  text-align: center;
  transition: transform var(--transition), box-shadow var(--transition);
}

.interest-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-cyan);
}

.interest-icon {
  width: 60px; height: 60px;
  border-radius: 50%;
  background: rgba(0,240,255,0.1);
  border: 1px solid rgba(0,240,255,0.25);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  color: var(--cyan);
  margin: 0 auto 20px;
}

.interest-card h3 {
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 12px;
}

.interest-card p {
  font-size: 0.84rem;
  color: var(--text-muted);
  line-height: 1.7;
}

/* ══════════════════════════════════════════════════════════
   CONTACT
══════════════════════════════════════════════════════════ */
#contact { background: var(--bg2); }

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 60px;
  align-items: start;
}

.contact-info h3 {
  font-family: var(--font-head);
  font-size: 1.8rem;
  line-height: 1.3;
  margin-bottom: 16px;
}

.contact-info > p {
  color: var(--text-muted);
  line-height: 1.8;
  margin-bottom: 32px;
}

.contact-details {
  display: flex;
  flex-direction: column;
  gap: 14px;
  margin-bottom: 28px;
}

.contact-item {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 0.88rem;
  color: var(--text-muted);
  font-family: var(--font-alt);
}

.contact-item i {
  color: var(--cyan);
  width: 18px;
  text-align: center;
}

.social-links {
  display: flex;
  gap: 12px;
}

.social-btn {
  width: 44px; height: 44px;
  border-radius: 50%;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  color: var(--text-muted);
  transition: all var(--transition);
}

.social-btn:hover {
  color: var(--cyan);
  border-color: var(--cyan);
  box-shadow: var(--shadow-cyan);
  transform: translateY(-2px);
}

.contact-form {
  padding: 36px;
  border-radius: 20px;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.form-group label {
  font-size: 0.8rem;
  font-family: var(--font-alt);
  color: var(--text-muted);
  font-weight: 600;
  letter-spacing: 0.5px;
}

.form-group input,
.form-group textarea {
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 12px;
  padding: 12px 16px;
  color: var(--text);
  font-family: var(--font-body);
  font-size: 0.9rem;
  outline: none;
  transition: border-color var(--transition), box-shadow var(--transition);
  resize: none;
}

.form-group input:focus,
.form-group textarea:focus {
  border-color: var(--cyan);
  box-shadow: 0 0 0 3px rgba(0,240,255,0.1);
}

/* ══════════════════════════════════════════════════════════
   FOOTER
══════════════════════════════════════════════════════════ */
#footer {
  padding: 40px 0;
  border-top: 1px solid var(--glass-border);
  background: var(--bg);
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
}

.footer-logo {
  font-family: var(--font-head);
  font-size: 1.2rem;
  color: var(--text);
  display: flex;
  align-items: center;
  gap: 8px;
}

.footer-logo i { color: var(--cyan); }

.footer-copy {
  font-size: 0.82rem;
  color: var(--text-muted);
  font-family: var(--font-alt);
}

.footer-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

#footer-theme-toggle {
  width: 38px; height: 38px;
  border-radius: 50%;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  color: var(--cyan);
  cursor: none;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.9rem;
  transition: all var(--transition);
}

#footer-theme-toggle:hover {
  background: rgba(0,240,255,0.15);
  box-shadow: var(--shadow-cyan);
}

#back-to-top {
  width: 44px; height: 44px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--cyan), var(--purple));
  display: flex;
  align-items: center;
  justify-content: center;
  color: #000;
  font-size: 0.9rem;
  transition: all var(--transition);
  box-shadow: var(--shadow-cyan);
}

#back-to-top:hover {
  transform: translateY(-3px);
  box-shadow: 0 0 30px rgba(0,240,255,0.6);
}

/* ══════════════════════════════════════════════════════════
   RESPONSIVE
══════════════════════════════════════════════════════════ */
@media (max-width: 1024px) {
  .about-grid { grid-template-columns: 1fr; }
  .about-visual { display: flex; flex-direction: column; align-items: center; }
  .contact-grid { grid-template-columns: 1fr; }
  .hero-profile-float { display: none; }
}

@media (max-width: 768px) {
  .nav-links {
    position: fixed;
    top: var(--nav-h);
    left: 0; right: 0;
    background: var(--bg2);
    flex-direction: column;
    padding: 20px 24px 32px;
    gap: 4px;
    transform: translateY(-110%);
    transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    border-bottom: 1px solid var(--glass-border);
    backdrop-filter: blur(20px);
  }

  .nav-links.open { transform: translateY(0); }
  .hamburger { display: flex; }

  .timeline::before { left: 24px; transform: none; }
  .timeline-item,
  .timeline-item.right {
    padding-left: 80px;
    padding-right: 0;
    justify-content: flex-start;
  }
  .timeline-dot { left: 4px; transform: none; }
  .timeline-card { max-width: 100%; }

  .exp-grid { grid-template-columns: 1fr; }
  .exp-card { flex-direction: column; }

  .hero-name { font-size: clamp(2.5rem, 12vw, 5rem); }
  .hero-cta { flex-direction: column; align-items: flex-start; }

  section { padding: 70px 0; }
}

@media (max-width: 480px) {
  .hero-content { padding-top: calc(var(--nav-h) + 20px); }
  .about-stats { flex-direction: column; gap: 10px; }
  .skills-grid { grid-template-columns: 1fr; }
  .projects-grid { grid-template-columns: 1fr; }
  .interests-grid { grid-template-columns: 1fr 1fr; }
}

/* ── Scan-line effect on hero ── */
#hero::after {
  content: '';
  position: absolute;
  inset: 0;
  background: repeating-linear-gradient(
    0deg,
    transparent,
    transparent 2px,
    rgba(0,240,255,0.01) 2px,
    rgba(0,240,255,0.01) 4px
  );
  pointer-events: none;
  z-index: 1;
}

/* ── Grid overlay ── */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  background-image:
    linear-gradient(rgba(0,240,255,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0,240,255,0.03) 1px, transparent 1px);
  background-size: 60px 60px;
  z-index: -1;
  pointer-events: none;
}

/* ── AOS overrides to avoid conflicts ── */
[data-aos] { transition-duration: 0.7s; }


/* ============================================
   FIX: Mobile menu & theme toggle visibility
   ============================================ */

/* Make nav-actions always visible and well-spaced */
.nav-actions {
  display: flex;
  align-items: center;
  gap: 12px;
  z-index: 1100;
}

/* Improve touch target for theme toggle on mobile */
#theme-toggle,
.theme-toggle-mobile {
  min-width: 44px;
  min-height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  color: var(--cyan);
  border-radius: 50%;
  cursor: pointer;
  transition: all var(--transition);
}

/* Fix mobile navigation menu */
@media (max-width: 768px) {
  .nav-links {
    position: fixed;
    top: var(--nav-h);
    left: 0;
    right: 0;
    background: var(--bg2);
    backdrop-filter: blur(20px);
    flex-direction: column;
    padding: 24px;
    gap: 16px;
    transform: translateY(-120%);
    transition: transform 0.3s cubic-bezier(0.2, 0.9, 0.4, 1.1);
    z-index: 1050;
    box-shadow: 0 20px 30px -10px rgba(0,0,0,0.3);
    border-bottom: 1px solid var(--glass-border);
  }

  .nav-links.open {
    transform: translateY(0);
  }

  .nav-link {
    font-size: 1rem;
    padding: 12px 16px;
    width: 100%;
    text-align: center;
    border-radius: 12px;
  }

  .hamburger {
    display: flex;
    z-index: 1100;
  }

  /* Ensure theme toggle is always visible on mobile */
  .nav-actions {
    gap: 8px;
  }

  #theme-toggle,
  .theme-toggle-mobile {
    width: 44px;
    height: 44px;
    font-size: 1.2rem;
  }

  /* Prevent body scroll when menu is open */
  body.menu-open {
    overflow: hidden;
  }
}

/* Also fix footer theme toggle for consistency */
#footer-theme-toggle {
  min-width: 44px;
  min-height: 44px;
}