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

:root {
  --bg: #04060f;
  --glass: rgba(6, 10, 24, 0.6);
  --glass-border: rgba(255,255,255,0.06);
  --text: #f2f4fc;
  --text-muted: #9aadcc;
  --cyan: #06d6f0;
  --violet: #7c4dff;
  --emerald: #00e5a0;
  --pink: #f050b0;
  --radius: 14px;
  --nav-h: 64px;
}

[data-theme="light"] {
  --bg: #ffffff;
  --glass: rgba(255, 255, 255, 0.85);
  --glass-border: rgba(0, 0, 0, 0.1);
  --text: #0a0f1e;
  --text-muted: #2d3f58;
  --cyan: #0088aa;
  --violet: #4f28bb;
  --emerald: #008855;
  --pink: #bb2288;
}

[data-theme="psychedelic"] {
  --bg: #0a0010;
  --glass: rgba(30, 0, 60, 0.5);
  --glass-border: rgba(255, 0, 255, 0.15);
  --text: #ffffff;
  --text-muted: #dd88ff;
  --cyan: #00ffff;
  --violet: #ff00ff;
  --emerald: #00ff88;
  --pink: #ff0066;
}

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
  font-size: 16px;
  line-height: 1.7;
  overflow-x: hidden;
  transition: background 0.3s, color 0.3s;
}

a { color: var(--cyan); text-decoration: none; }
a:hover { text-decoration: underline; }

.container {
  max-width: 1000px;
  margin: 0 auto;
  padding: 0 32px;
}

/* ── AURORA BACKGROUND ── */
.aurora {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  overflow: hidden;
}

.aurora-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.18;
  animation: drift 20s ease-in-out infinite alternate;
}

.aurora-orb:nth-child(1) {
  width: 55vw; height: 55vw;
  top: -15vw; left: -10vw;
  background: radial-gradient(circle, var(--violet), transparent 70%);
  animation-delay: 0s;
}

.aurora-orb:nth-child(2) {
  width: 45vw; height: 45vw;
  top: 10vw; right: -10vw;
  background: radial-gradient(circle, var(--cyan), transparent 70%);
  opacity: 0.14;
  animation-delay: -8s;
  animation-duration: 25s;
}

.aurora-orb:nth-child(3) {
  width: 35vw; height: 35vw;
  bottom: 5vw; left: 30%;
  background: radial-gradient(circle, var(--emerald), transparent 70%);
  opacity: 0.1;
  animation-delay: -14s;
  animation-duration: 30s;
}

@keyframes drift {
  0% { transform: translate(0, 0) scale(1); }
  33% { transform: translate(3vw, 2vw) scale(1.05); }
  66% { transform: translate(-2vw, 4vw) scale(0.97); }
  100% { transform: translate(4vw, -2vw) scale(1.03); }
}

/* Dot grid */
.aurora::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image: radial-gradient(circle, rgba(255,255,255,0.04) 1px, transparent 1px);
  background-size: 36px 36px;
  transition: background-image 0.3s;
}

[data-theme="light"] .aurora::after {
  background-image: radial-gradient(circle, rgba(0,0,0,0.06) 1px, transparent 1px);
}

/* Grain overlay */
body::after {
  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)' opacity='0.035'/%3E%3C/svg%3E");
  background-size: 256px 256px;
  pointer-events: none;
  z-index: 1;
  opacity: 0.5;
}

section, nav, footer { position: relative; z-index: 2; }

/* ── NAV ── */
#navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--nav-h);
  background: rgba(4, 6, 15, 0.75);
  backdrop-filter: blur(20px) saturate(1.5);
  border-bottom: 1px solid var(--glass-border);
  z-index: 100;
}

.nav-inner {
  max-width: 1000px;
  margin: 0 auto;
  padding: 0 32px;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  font-size: 0.95rem;
  font-weight: 700;
  font-family: "SF Mono", "Fira Code", monospace;
  background: linear-gradient(90deg, var(--cyan), var(--violet));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.nav-links {
  display: flex;
  gap: 32px;
  list-style: none;
}

.nav-links a {
  color: var(--text-muted);
  font-size: 0.85rem;
  letter-spacing: 0.03em;
  transition: color 0.15s;
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--text);
  text-decoration: none;
}

/* ── LIGHT MODE OVERRIDES ── */
[data-theme="light"] #navbar {
  background: rgba(255, 255, 255, 0.92);
}

[data-theme="light"] #hero h1 {
  background: linear-gradient(135deg, #0d1117 20%, var(--cyan) 60%, var(--violet) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

[data-theme="light"] .project-tags span {
  background: rgba(0,0,0,0.05);
  border-color: rgba(0,0,0,0.1);
  color: var(--text-muted);
}

[data-theme="light"] .contact-link {
  background: rgba(0,0,0,0.04);
}

[data-theme="light"] .timeline-date {
  background: rgba(0,153,187,0.08);
  border-color: rgba(0,153,187,0.2);
}

[data-theme="light"] .aurora-orb { opacity: 0.28; }
[data-theme="light"] .aurora-orb:nth-child(2) { opacity: 0.22; }
[data-theme="light"] .aurora-orb:nth-child(3) { opacity: 0.18; }

[data-theme="light"] .aurora::after {
  background-image: radial-gradient(circle, rgba(0,0,0,0.07) 1px, transparent 1px);
}

/* ── PSYCHEDELIC MODE ── */
[data-theme="psychedelic"] #navbar {
  background: rgba(10, 0, 16, 0.88);
  border-bottom-color: rgba(255, 0, 255, 0.25);
}

[data-theme="psychedelic"] .aurora-orb {
  opacity: 0.5;
  animation: drift 6s ease-in-out infinite alternate, hueShift 4s linear infinite;
}
[data-theme="psychedelic"] .aurora-orb:nth-child(2) {
  opacity: 0.45;
  animation: drift 8s ease-in-out infinite alternate, hueShift 6s linear infinite reverse;
}
[data-theme="psychedelic"] .aurora-orb:nth-child(3) {
  opacity: 0.4;
  animation: drift 5s ease-in-out infinite alternate, hueShift 3s linear infinite;
}

@keyframes hueShift {
  from { filter: blur(80px) hue-rotate(0deg); }
  to   { filter: blur(80px) hue-rotate(360deg); }
}

[data-theme="psychedelic"] #hero h1 {
  background: linear-gradient(90deg, #ff0066, #ff00ff, #00ffff, #00ff88, #ffff00, #ff0066);
  background-size: 300% 100%;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  animation: rainbowSlide 3s linear infinite;
}

@keyframes rainbowSlide {
  0%   { background-position: 0% 50%; }
  100% { background-position: 300% 50%; }
}

[data-theme="psychedelic"] .glass,
[data-theme="psychedelic"] .project-card,
[data-theme="psychedelic"] .stat,
[data-theme="psychedelic"] .contact-card {
  animation: cardPulse 3s ease-in-out infinite alternate;
}

@keyframes cardPulse {
  0%   { border-color: rgba(255,0,255,0.35); box-shadow: 0 0 24px rgba(255,0,255,0.12); }
  33%  { border-color: rgba(0,255,255,0.35); box-shadow: 0 0 32px rgba(0,255,255,0.15); }
  66%  { border-color: rgba(0,255,136,0.35); box-shadow: 0 0 28px rgba(0,255,136,0.12); }
  100% { border-color: rgba(255,0,102,0.35); box-shadow: 0 0 36px rgba(255,0,102,0.15); }
}

[data-theme="psychedelic"] .skill-tags span {
  animation: tagGlow 2s ease-in-out infinite alternate;
}

@keyframes tagGlow {
  from { filter: brightness(1); }
  to   { filter: brightness(1.7) saturate(1.6); }
}

[data-theme="psychedelic"] .hero-badge {
  animation: badgePulse 1s ease-in-out infinite alternate;
}

@keyframes badgePulse {
  from { box-shadow: 0 0 8px var(--emerald); }
  to   { box-shadow: 0 0 28px var(--emerald), 0 0 56px rgba(0,255,136,0.3); }
}

[data-theme="psychedelic"] .aurora::after {
  background-image: radial-gradient(circle, rgba(255,0,255,0.14) 1px, transparent 1px);
  background-size: 24px 24px;
}

/* ── THEME SWITCHER PILL ── */
#theme-switcher {
  flex-shrink: 0;
}

.theme-track {
  position: relative;
  display: flex;
  align-items: center;
  background: var(--glass);
  border: 1px solid var(--glass-border);
  border-radius: 999px;
  padding: 4px;
  gap: 0;
  backdrop-filter: blur(12px);
  transition: background 0.3s, border-color 0.3s;
}

.theme-indicator {
  position: absolute;
  width: 30px;
  height: 30px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--cyan), var(--violet));
  box-shadow: 0 2px 10px rgba(6,214,240,0.35);
  top: 4px;
  left: 4px;
  transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1), background 0.3s, box-shadow 0.3s;
  pointer-events: none;
}

[data-theme="psychedelic"] .theme-indicator {
  background: linear-gradient(90deg, #ff0066, #ff00ff, #00ffff, #00ff88, #ff0066);
  background-size: 200%;
  animation: rainbowSlide 2s linear infinite;
  box-shadow: 0 2px 16px rgba(255,0,255,0.5);
}

.theme-opt {
  position: relative;
  z-index: 1;
  width: 30px;
  height: 30px;
  border-radius: 50%;
  border: none;
  background: transparent;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  transition: color 0.2s;
  padding: 0;
}

.theme-opt:hover { color: var(--text); }

.theme-opt.active { color: #fff; }
[data-theme="light"] .theme-opt.active { color: #fff; }

/* Psychedelic track glow */
[data-theme="psychedelic"] .theme-track {
  border-color: rgba(255, 0, 255, 0.3);
  box-shadow: 0 0 16px rgba(255, 0, 255, 0.15);
}

/* ── HERO ── */
#hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: calc(var(--nav-h) + 80px) 32px 100px;
  position: relative;
  max-width: 1000px;
  margin: 0 auto;
}

.hero-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 64px;
  width: 100%;
}

.hero-content { flex: 1; min-width: 0; }

/* ── AVATAR ── */
.hero-avatar {
  flex-shrink: 0;
}

.avatar-ring {
  width: 220px;
  height: 220px;
  border-radius: 50%;
  padding: 3px;
  background: linear-gradient(135deg, var(--cyan), var(--violet));
  box-shadow: 0 0 40px rgba(6,214,240,0.2), 0 0 80px rgba(124,77,255,0.1);
}

.avatar-ring img {
  width: 100%;
  height: 100%;
  border-radius: 50%;
  object-fit: cover;
  display: block;
  border: 3px solid var(--bg);
}

@media (max-width: 700px) {
  .hero-inner { flex-direction: column-reverse; gap: 32px; align-items: flex-start; }
  .avatar-ring { width: 120px; height: 120px; }
}

.hero-greeting {
  font-family: "SF Mono", "Fira Code", monospace;
  font-size: 0.8rem;
  color: var(--cyan);
  margin-bottom: 20px;
  display: flex;
  align-items: center;
  gap: 12px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.hero-greeting::before {
  content: "";
  display: inline-block;
  width: 40px;
  height: 1px;
  background: linear-gradient(to right, transparent, var(--cyan));
}

#hero h1 {
  font-size: clamp(3.5rem, 8vw, 5.5rem);
  font-weight: 900;
  letter-spacing: -0.04em;
  line-height: 1.0;
  margin-bottom: 14px;
  background: linear-gradient(135deg, #ffffff 30%, var(--cyan) 70%, var(--violet) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

#hero h2 {
  font-size: clamp(1rem, 2.5vw, 1.3rem);
  font-weight: 400;
  color: var(--text-muted);
  margin-bottom: 20px;
  letter-spacing: 0.02em;
}

.hero-sub {
  color: var(--text-muted);
  font-size: 0.9rem;
  margin-bottom: 28px;
}

.hero-sub a { color: var(--cyan); }

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(0, 229, 160, 0.06);
  border: 1px solid rgba(0,229,160,0.2);
  color: var(--emerald);
  font-size: 0.72rem;
  font-family: "SF Mono", "Fira Code", monospace;
  padding: 5px 14px;
  border-radius: 20px;
  margin-bottom: 40px;
  letter-spacing: 0.06em;
}

.hero-badge::before {
  content: "";
  display: inline-block;
  width: 7px; height: 7px;
  background: var(--emerald);
  border-radius: 50%;
  box-shadow: 0 0 10px var(--emerald);
  animation: pulse 2.5s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; box-shadow: 0 0 10px var(--emerald); }
  50% { opacity: 0.4; box-shadow: 0 0 4px var(--emerald); }
}

.hero-cta {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 11px 22px;
  border-radius: 10px;
  font-size: 0.875rem;
  font-weight: 500;
  transition: all 0.2s;
  cursor: pointer;
  white-space: nowrap;
}

.btn-primary {
  background: linear-gradient(135deg, var(--cyan), var(--violet));
  color: #fff;
  box-shadow: 0 0 28px rgba(6,214,240,0.25);
}

.btn-primary:hover {
  box-shadow: 0 0 40px rgba(6,214,240,0.4);
  text-decoration: none;
  transform: translateY(-2px);
  filter: brightness(1.1);
}

.btn-secondary {
  background: var(--glass);
  color: var(--text);
  border: 1px solid var(--glass-border);
  backdrop-filter: blur(12px);
}

.btn-secondary:hover {
  border-color: rgba(6,214,240,0.3);
  color: var(--cyan);
  text-decoration: none;
  transform: translateY(-2px);
}

.btn-ghost {
  background: transparent;
  color: var(--text-muted);
  border: 1px solid rgba(255,255,255,0.06);
}

.btn-ghost:hover {
  color: var(--text);
  border-color: rgba(255,255,255,0.12);
  text-decoration: none;
  transform: translateY(-2px);
}

.hero-scroll {
  position: absolute;
  bottom: 36px;
  left: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  color: var(--text-muted);
  font-size: 0.62rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  font-family: "SF Mono", "Fira Code", monospace;
}

.scroll-line {
  width: 1px;
  height: 48px;
  background: linear-gradient(to bottom, var(--cyan), transparent);
  animation: scrollPulse 2.5s ease-in-out infinite;
  opacity: 0.6;
}

@keyframes scrollPulse {
  0%, 100% { transform: scaleY(0.6) translateY(0); opacity: 0.3; }
  50% { transform: scaleY(1) translateY(0); opacity: 0.8; }
}

/* ── SECTIONS ── */
section:not(#hero) {
  padding: 108px 0;
  border-top: 1px solid var(--glass-border);
}

.section-label {
  font-family: "SF Mono", "Fira Code", monospace;
  font-size: 0.68rem;
  color: var(--cyan);
  letter-spacing: 0.2em;
  text-transform: uppercase;
  margin-bottom: 52px;
  display: flex;
  align-items: center;
  gap: 16px;
}

.section-label::after {
  content: "";
  flex: 1;
  height: 1px;
  background: linear-gradient(to right, rgba(6,214,240,0.3), transparent);
  max-width: 280px;
}

/* ── GLASS CARD MIXIN ── */
.glass {
  background: var(--glass);
  border: 1px solid var(--glass-border);
  backdrop-filter: blur(16px);
  border-radius: var(--radius);
}

/* ── ABOUT ── */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 200px;
  gap: 64px;
  align-items: start;
}

.about-text p {
  color: var(--text-muted);
  margin-bottom: 18px;
  font-size: 1rem;
  line-height: 1.85;
}

.about-text strong { color: var(--text); font-weight: 600; }

.about-stats {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.stat {
  text-align: center;
  padding: 20px 12px;
  background: var(--glass);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius);
  backdrop-filter: blur(12px);
  transition: border-color 0.2s;
}

.stat:hover { border-color: rgba(6,214,240,0.2); }

.stat-num {
  display: block;
  font-size: 1.8rem;
  font-weight: 900;
  letter-spacing: -0.03em;
  background: linear-gradient(135deg, var(--cyan), var(--violet));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.stat-label {
  display: block;
  font-size: 0.65rem;
  color: var(--text-muted);
  margin-top: 4px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

/* ── EXPERIENCE ── */
.timeline {
  position: relative;
  padding-left: 28px;
}

.timeline::before {
  content: "";
  position: absolute;
  left: 0; top: 10px; bottom: 0;
  width: 1px;
  background: linear-gradient(to bottom, var(--cyan), var(--violet), transparent);
  opacity: 0.4;
}

.timeline-item {
  position: relative;
  margin-bottom: 56px;
}

.timeline-dot {
  position: absolute;
  left: -35px;
  top: 6px;
  width: 14px; height: 14px;
  background: linear-gradient(135deg, var(--cyan), var(--violet));
  border-radius: 50%;
  border: 2px solid var(--bg);
  box-shadow: 0 0 16px rgba(6,214,240,0.5);
}

.timeline-header {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 16px;
  margin-bottom: 6px;
  flex-wrap: wrap;
}

.timeline-content h4 {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text);
}

.timeline-date {
  font-size: 0.72rem;
  color: var(--cyan);
  font-family: "SF Mono", "Fira Code", monospace;
  background: rgba(6,214,240,0.07);
  border: 1px solid rgba(6,214,240,0.15);
  padding: 3px 12px;
  border-radius: 20px;
  white-space: nowrap;
}

.timeline-company {
  color: var(--text-muted);
  font-size: 0.875rem;
  margin-bottom: 14px;
}

.timeline-content ul {
  padding-left: 18px;
  color: var(--text-muted);
}

.timeline-content li {
  margin-bottom: 8px;
  font-size: 0.925rem;
  line-height: 1.6;
}

/* ── PROJECTS ── */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(290px, 1fr));
  gap: 14px;
}

.project-card {
  background: var(--glass);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius);
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  transition: border-color 0.2s, transform 0.2s, box-shadow 0.2s;
  color: var(--text);
  position: relative;
  overflow: hidden;
  backdrop-filter: blur(12px);
}

.project-card::after {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--cyan), var(--violet), transparent);
  opacity: 0;
  transition: opacity 0.2s;
}

.project-card:hover {
  border-color: rgba(6,214,240,0.2);
  transform: translateY(-4px);
  box-shadow: 0 16px 48px rgba(6,214,240,0.08), 0 4px 16px rgba(0,0,0,0.4);
  text-decoration: none;
}

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

.project-card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.project-repo-icon { color: var(--text-muted); }

.project-lang {
  font-size: 0.68rem;
  font-family: "SF Mono", "Fira Code", monospace;
  padding: 3px 10px;
  border-radius: 20px;
  font-weight: 600;
  letter-spacing: 0.04em;
}

.project-lang.go   { background: rgba(0,173,216,0.1); color: #38d9f5; border: 1px solid rgba(0,173,216,0.2); }
.project-lang.py   { background: rgba(251,191,36,0.08); color: #fbbf24; border: 1px solid rgba(251,191,36,0.18); }
.project-lang.html { background: rgba(249,115,22,0.08); color: #fb923c; border: 1px solid rgba(249,115,22,0.18); }
.project-lang.k8s  { background: rgba(6,214,240,0.08); color: var(--cyan); border: 1px solid rgba(6,214,240,0.2); }

.project-card h4 {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text);
}

.project-card p {
  font-size: 0.875rem;
  color: var(--text-muted);
  flex: 1;
  line-height: 1.65;
}

.project-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.project-tags span {
  font-size: 0.68rem;
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.07);
  padding: 2px 9px;
  border-radius: 4px;
  color: var(--text-muted);
  font-family: "SF Mono", "Fira Code", monospace;
}

/* ── SKILLS ── */
.skills-groups {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 40px 64px;
}

.skills-group h4 {
  font-size: 0.67rem;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--text-muted);
  margin-bottom: 14px;
  font-family: "SF Mono", "Fira Code", monospace;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--glass-border);
}

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

.skill-tags span {
  padding: 5px 14px;
  border-radius: 8px;
  font-size: 0.8rem;
  font-weight: 500;
  transition: transform 0.15s, box-shadow 0.15s;
  cursor: default;
}

.skill-tags span:hover {
  transform: translateY(-2px);
}

.skills-group:nth-child(1) .skill-tags span {
  background: rgba(6,214,240,0.07);
  color: var(--cyan);
  border: 1px solid rgba(6,214,240,0.15);
}
.skills-group:nth-child(1) .skill-tags span:hover {
  box-shadow: 0 4px 16px rgba(6,214,240,0.15);
}

.skills-group:nth-child(2) .skill-tags span {
  background: rgba(0,229,160,0.07);
  color: var(--emerald);
  border: 1px solid rgba(0,229,160,0.15);
}
.skills-group:nth-child(2) .skill-tags span:hover {
  box-shadow: 0 4px 16px rgba(0,229,160,0.15);
}

.skills-group:nth-child(3) .skill-tags span {
  background: rgba(124,77,255,0.08);
  color: #a78bfa;
  border: 1px solid rgba(124,77,255,0.2);
}
.skills-group:nth-child(3) .skill-tags span:hover {
  box-shadow: 0 4px 16px rgba(124,77,255,0.2);
}

.skills-group:nth-child(4) .skill-tags span {
  background: rgba(240,80,176,0.07);
  color: #f472b6;
  border: 1px solid rgba(240,80,176,0.15);
}
.skills-group:nth-child(4) .skill-tags span:hover {
  box-shadow: 0 4px 16px rgba(240,80,176,0.15);
}

.skills-group:nth-child(5) .skill-tags span {
  background: rgba(6,214,240,0.07);
  color: var(--cyan);
  border: 1px solid rgba(6,214,240,0.15);
}
.skills-group:nth-child(5) .skill-tags span:hover {
  box-shadow: 0 4px 16px rgba(6,214,240,0.15);
}

/* AI Tools progress bar */
.ai-progress-bar {
  position: relative;
  height: 22px;
  border-radius: 11px;
  overflow: hidden;
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(240,80,176,0.25);
  font-size: 0.68rem;
  font-family: var(--mono);
  letter-spacing: 0.02em;
}

.ai-progress-fill {
  position: absolute;
  left: 0; top: 0;
  height: 100%;
  background: linear-gradient(90deg, rgba(240,80,176,0.25), rgba(240,80,176,0.5));
  display: flex;
  align-items: center;
  padding: 0 10px;
  overflow: hidden;
  white-space: nowrap;
  z-index: 2;
  animation: aiFill 14s linear 0.8s infinite;
}

.ai-loading-text {
  color: #f472b6;
  animation: aiLoadText 14s linear 0.8s infinite;
  white-space: nowrap;
}

.ai-success-text {
  color: #a0ffb0;
  animation: aiSuccessText 14s linear 0.8s infinite;
  white-space: nowrap;
  opacity: 0;
}

.ai-progress-empty {
  position: absolute;
  left: 0; top: 0; right: 0;
  height: 100%;
  display: flex;
  align-items: center;
  padding: 0 10px;
  z-index: 1;
}

.ai-thanks {
  position: absolute;
  white-space: nowrap;
  color: var(--text-muted);
  animation: aiThanks 14s linear 0.8s infinite;
  opacity: 0;
}

.ai-rest {
  position: absolute;
  white-space: nowrap;
  color: var(--cyan);
  font-weight: 600;
  animation: aiRest 14s linear 0.8s infinite;
  opacity: 0;
}

.ai-dots {
  display: inline-block;
  overflow: hidden;
  max-width: 0;
  vertical-align: bottom;
  animation: aiDots 14s linear 0.8s infinite;
}

.ai-progress-wrap {
  position: relative;
  margin: 6px 0 10px;
}

.ai-troll {
  position: absolute;
  right: 8px;
  top: -2px;
  font-size: 1.1rem;
  line-height: 1;
  transform: translateY(100%);
  animation: aiTroll 14s linear 0.8s infinite;
  z-index: 10;
  pointer-events: none;
}

@keyframes aiTroll {
  0%   { transform: translateY(100%); opacity: 0; }
  33%  { transform: translateY(100%); opacity: 0; }
  36%  { transform: translateY(-55%); opacity: 1; } /* peeks up */
  50%  { transform: translateY(-55%); opacity: 1; } /* stays while dots */
  57%  { transform: translateY(100%); opacity: 0; } /* ducks back down */
  100% { transform: translateY(100%); opacity: 0; }
}

/* Remove old margin from .ai-progress-bar since wrap handles it */
/* 14s loop. Key moments:
   0-3s   (0-21%)  : fill 0→75%, Loading blinks
   3-4s   (21-29%) : Thanks Claude
   4-5s   (29-36%) : I Got The Rest
   5-7s   (36-50%) : dots blink in
   7-8.5s (50-61%) : fill 75→100%, dots end at ~90% (55%)
   8.5-10.5s (61-75%): success blinks
   10.5-12s  (75-86%): hold
   12-14s    (86-100%): reset
*/

@keyframes aiFill {
  0%   { width: 0%; }
  21%  { width: 75%; }
  50%  { width: 75%; }
  55%  { width: 90%; }
  61%  { width: 100%; }
  85%  { width: 100%; }
  99%  { width: 100%; }
  100% { width: 0%; }
}

@keyframes aiLoadText {
  0%   { opacity: 0; }
  3%   { opacity: 1; }
  8%   { opacity: 0; }
  13%  { opacity: 1; }
  18%  { opacity: 0; }
  20%  { opacity: 1; }
  22%  { opacity: 0; }
  100% { opacity: 0; }
}

@keyframes aiSuccessText {
  0%   { opacity: 0; }
  61%  { opacity: 0; }
  63%  { opacity: 1; }
  65%  { opacity: 0; }
  67%  { opacity: 1; }
  69%  { opacity: 0; }
  71%  { opacity: 1; }
  73%  { opacity: 0; }
  75%  { opacity: 1; }
  85%  { opacity: 1; }
  88%  { opacity: 0; }
  100% { opacity: 0; }
}

@keyframes aiThanks {
  0%   { opacity: 0; }
  23%  { opacity: 0; }
  25%  { opacity: 1; }
  29%  { opacity: 1; }
  32%  { opacity: 0; }
  100% { opacity: 0; }
}

@keyframes aiRest {
  0%   { opacity: 0; }
  33%  { opacity: 0; }
  36%  { opacity: 1; }
  53%  { opacity: 1; }
  57%  { opacity: 0; }
  100% { opacity: 0; }
}

@keyframes aiDots {
  0%   { max-width: 0; opacity: 1; }
  36%  { max-width: 0; opacity: 1; }
  50%  { max-width: 4em; opacity: 1; }
  54%  { max-width: 4em; opacity: 1; }
  57%  { max-width: 4em; opacity: 0; }
  100% { max-width: 0; opacity: 0; }
}

/* ── VIDEOS ── */
.videos-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 16px;
}

.videos-grid--4col {
  grid-template-columns: repeat(4, 1fr);
}

@media (max-width: 900px) {
  .videos-grid--4col { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 500px) {
  .videos-grid--4col { grid-template-columns: 1fr; }
}

.video-card {
  background: var(--glass);
  border: 1.5px solid rgba(6, 214, 240, 0.3);
  border-radius: var(--radius);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  color: var(--text);
  transition: border-color 0.2s, transform 0.2s, box-shadow 0.2s;
  backdrop-filter: blur(12px);
  box-shadow: 0 0 16px rgba(6, 214, 240, 0.1), 0 2px 8px rgba(0,0,0,0.2);
}

.video-card:hover {
  border-color: rgba(6, 214, 240, 0.7);
  transform: translateY(-4px);
  box-shadow: 0 0 32px rgba(6, 214, 240, 0.25), 0 8px 32px rgba(0,0,0,0.3);
  text-decoration: none;
}

.video-thumb {
  position: relative;
  aspect-ratio: 16/9;
  overflow: hidden;
  background: #000;
}

.video-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.3s, opacity 0.2s;
  opacity: 0.88;
}

.video-card:hover .video-thumb img {
  transform: scale(1.04);
  opacity: 1;
}

.video-play {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  opacity: 0;
  transition: opacity 0.2s;
  background: rgba(0,0,0,0.25);
}

.video-play svg {
  filter: drop-shadow(0 2px 8px rgba(0,0,0,0.6));
  transform: scale(1.2);
}

.video-card:hover .video-play { opacity: 1; }

.video-duration {
  position: absolute;
  bottom: 8px;
  right: 8px;
  background: rgba(0,0,0,0.8);
  color: #fff;
  font-size: 0.68rem;
  font-family: "SF Mono", "Fira Code", monospace;
  padding: 2px 7px;
  border-radius: 4px;
  letter-spacing: 0.04em;
}

.video-info {
  padding: 16px 18px 18px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  flex: 1;
}

.video-info h4 {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text);
  line-height: 1.4;
}

.video-info p {
  font-size: 0.825rem;
  color: var(--text-muted);
  line-height: 1.6;
  flex: 1;
}

.video-tag {
  font-size: 0.68rem;
  font-family: "SF Mono", "Fira Code", monospace;
  color: var(--cyan);
  opacity: 0.8;
  letter-spacing: 0.04em;
}

/* Coming Soon card */
.video-card--coming-soon {
  cursor: default;
  border-style: dashed;
}

.video-card--coming-soon:hover {
  transform: none;
  box-shadow: none;
  border-color: var(--glass-border);
}

.video-coming-soon-inner {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 32px 20px;
  min-height: 180px;
  text-align: center;
}

.video-coming-soon-label {
  font-size: 0.65rem;
  font-family: "SF Mono", "Fira Code", monospace;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--text-muted);
  background: var(--glass);
  border: 1px solid var(--glass-border);
  padding: 4px 12px;
  border-radius: 20px;
}

.video-card--coming-soon h4 {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-muted);
}

/* Light mode video card */
[data-theme="light"] .video-card {
  border-color: rgba(0, 136, 170, 0.35);
  box-shadow: 0 0 16px rgba(0, 136, 170, 0.12), 0 2px 8px rgba(0,0,0,0.06);
}
[data-theme="light"] .video-card:hover {
  border-color: rgba(0, 136, 170, 0.7);
  box-shadow: 0 0 32px rgba(0, 136, 170, 0.22), 0 8px 24px rgba(0,0,0,0.08);
}

/* Psychedelic video card */
[data-theme="psychedelic"] .video-card {
  border-color: rgba(255, 0, 255, 0.4);
  box-shadow: 0 0 20px rgba(255, 0, 255, 0.18), 0 0 10px rgba(0, 255, 255, 0.1);
}
[data-theme="psychedelic"] .video-card:hover {
  border-color: rgba(255, 0, 255, 0.8);
  box-shadow: 0 0 40px rgba(255, 0, 255, 0.35), 0 0 20px rgba(0, 255, 255, 0.2);
}

/* ── CONTACT ── */
.contact-card {
  background: var(--glass);
  border: 1px solid var(--glass-border);
  border-radius: 20px;
  padding: 64px 48px;
  text-align: center;
  backdrop-filter: blur(20px);
  position: relative;
  overflow: hidden;
}

.contact-card::before {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent 10%, var(--cyan) 40%, var(--violet) 60%, transparent 90%);
  opacity: 0.5;
}

.contact-card::after {
  content: "";
  position: absolute;
  top: -100px; left: 50%;
  transform: translateX(-50%);
  width: 400px; height: 300px;
  background: radial-gradient(ellipse, rgba(6,214,240,0.06) 0%, transparent 70%);
  pointer-events: none;
}

.contact-card p {
  color: var(--text-muted);
  max-width: 500px;
  margin: 0 auto 40px;
  font-size: 1.05rem;
  line-height: 1.85;
  position: relative;
  z-index: 1;
}

.contact-links {
  display: flex;
  justify-content: center;
  gap: 12px;
  flex-wrap: wrap;
  position: relative;
  z-index: 1;
}

.contact-link {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--text-muted);
  font-size: 0.875rem;
  padding: 10px 22px;
  border: 1px solid var(--glass-border);
  border-radius: 10px;
  background: rgba(255,255,255,0.03);
  transition: all 0.2s;
}

.contact-link:hover {
  color: var(--cyan);
  border-color: rgba(6,214,240,0.25);
  background: rgba(6,214,240,0.05);
  text-decoration: none;
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(6,214,240,0.1);
}

/* ── FOOTER ── */
footer {
  border-top: 1px solid var(--glass-border);
  padding: 28px 0;
  text-align: center;
}

footer p {
  font-size: 0.72rem;
  color: var(--text-muted);
  font-family: "SF Mono", "Fira Code", monospace;
  letter-spacing: 0.05em;
}

/* ── SCROLL REVEAL ── */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ── RESPONSIVE ── */
@media (max-width: 700px) {
  .about-grid { grid-template-columns: 1fr; }
  .about-stats { flex-direction: row; }
  .stat { flex: 1; }
  .skills-groups { grid-template-columns: 1fr; gap: 28px; }
  .timeline-header { flex-direction: column; gap: 6px; }
  .nav-links { display: none; }
  .hero-cta { flex-direction: column; align-items: flex-start; }
  .contact-card { padding: 40px 24px; }
  .contact-links { flex-direction: column; align-items: center; }
  #hero { padding-left: 24px; padding-right: 24px; }
  .container { padding: 0 24px; }
}