/* ══════════════════════════════════════════
   MU.dev Portfolio — style.css
   Muhammad Bilal Saqib · Robotics & AI Engineer
══════════════════════════════════════════ */

@import url('https://fonts.googleapis.com/css2?family=Orbitron:wght@400;700;900&family=Rajdhani:wght@300;400;500;600;700&family=Space+Mono:ital,wght@0,400;0,700;1,400&display=swap');

/* ─── DARK THEME (default) ─── */
[data-theme="dark"] {
  --bg:      #050a0f;
  --bg2:     #080f17;
  --panel:   #0d1620;
  --panel2:  #111e2e;
  --accent:  #00d4ff;
  --accent2: #ff6b35;
  --accent3: #7fff00;
  --text:    #e0eaf5;
  --text2:   #8aa0b8;
  --border:  rgba(0,212,255,0.18);
  --glow:    0 0 24px rgba(0,212,255,0.35);
  --glow2:   0 0 24px rgba(255,107,53,0.35);
  --nav-bg:  rgba(5,10,15,0.92);
  --grid-color: rgba(0,212,255,0.04);
  --cursor-glow: rgba(0,212,255,0.06);
}

/* ─── LIGHT THEME ─── */
[data-theme="light"] {
  --bg:      #f0f4f8;
  --bg2:     #e8eef5;
  --panel:   #ffffff;
  --panel2:  #f5f8fc;
  --accent:  #0080cc;
  --accent2: #e05520;
  --accent3: #3a8c00;
  --text:    #1a2a3a;
  --text2:   #4a6080;
  --border:  rgba(0,128,204,0.2);
  --glow:    0 0 24px rgba(0,128,204,0.2);
  --glow2:   0 0 24px rgba(224,85,32,0.2);
  --nav-bg:  rgba(240,244,248,0.95);
  --grid-color: rgba(0,128,204,0.05);
  --cursor-glow: rgba(0,128,204,0.05);
}

[data-theme="light"] .hero-name { color: #1a2a3a; }
[data-theme="light"] .page-title { color: #1a2a3a; }
[data-theme="light"] .proj-name { color: #1a2a3a; }
[data-theme="light"] body::before { opacity: 0; }
[data-theme="light"] .grid-bg { opacity: 0.5; }

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: 'Rajdhani', sans-serif;
  font-size: 16px;
  overflow-x: hidden;
  transition: background 0.4s ease, color 0.4s ease;
}

/* ─── SCANLINE OVERLAY ─── */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  background: repeating-linear-gradient(
    0deg,
    transparent,
    transparent 2px,
    rgba(0,0,0,0.04) 2px,
    rgba(0,0,0,0.04) 4px
  );
  pointer-events: none;
  z-index: 9999;
  transition: opacity 0.4s;
}

/* ─── ANIMATED BG GRID ─── */
.grid-bg {
  position: fixed;
  inset: 0;
  background-image:
    linear-gradient(var(--grid-color) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid-color) 1px, transparent 1px);
  background-size: 50px 50px;
  animation: gridMove 20s linear infinite;
  pointer-events: none;
  z-index: 0;
  transition: opacity 0.4s;
}
@keyframes gridMove {
  0%   { background-position: 0 0; }
  100% { background-position: 50px 50px; }
}

/* ─── CURSOR GLOW ─── */
.cursor-glow {
  position: fixed;
  width: 300px; height: 300px;
  border-radius: 50%;
  background: radial-gradient(circle, var(--cursor-glow), transparent 70%);
  pointer-events: none;
  transform: translate(-50%, -50%);
  z-index: 0;
  transition: left 0.1s, top 0.1s;
}

/* ─── NAVBAR ─── */
nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 5%;
  height: 68px;
  background: var(--nav-bg);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  transition: background 0.4s;
}

.nav-logo {
  font-family: 'Orbitron', monospace;
  font-size: 1.1rem;
  font-weight: 900;
  color: var(--accent);
  letter-spacing: 3px;
  text-shadow: var(--glow);
  text-decoration: none;
}
.nav-logo span { color: var(--accent2); }

.nav-links {
  display: flex;
  align-items: center;
  gap: 8px;
  list-style: none;
}
.nav-links a {
  font-family: 'Orbitron', monospace;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 2px;
  color: var(--text2);
  text-decoration: none;
  padding: 8px 16px;
  border: 1px solid transparent;
  border-radius: 2px;
  transition: all 0.3s;
  text-transform: uppercase;
}
.nav-links a:hover,
.nav-links a.active {
  color: var(--accent);
  border-color: var(--border);
  background: rgba(0,212,255,0.06);
  text-shadow: var(--glow);
}

/* ─── UI-SWITCH THEME TOGGLE ─── */
/* Switch outer wrapper — label tag hai jo click handle karta hai */
.ui-switch {
  /* ── Switch track settings ── */
  --switch-bg:      rgb(135, 150, 165); /* track ka background color */
  --switch-width:   48px;               /* track ki width */
  --switch-height:  20px;               /* track ki height */

  /* ── Circle (knob) settings ── */
  --circle-diameter: 32px;              /* circle ki size — track se badi honi chahiye */
  --circle-bg:      rgb(0, 56, 146);   /* circle ka background (dark mode) */
  --circle-inset: calc((var(--circle-diameter) - var(--switch-height)) / 2);
                                        /* circle ko vertically center karne ka formula */

  cursor: pointer;
  flex-shrink: 0; /* navbar mein shrink na ho */
}

/* Hidden checkbox — sirf JS ke liye hai, UI mein nahi dikhta */
.ui-switch input { display: none; }

/* Track — slider pill shape */
.slider {
  -webkit-appearance: none;
  -moz-appearance: none;
  appearance: none;
  width: var(--switch-width);
  height: var(--switch-height);
  background: var(--switch-bg);
  border-radius: 999px;
  position: relative;
  cursor: pointer;
  display: block;
}

/* Circle knob — sun icon (dark mode default) */
.slider .circle {
  top: calc(var(--circle-inset) * -1);  /* vertically center karo track ke andar */
  left: 0;                               /* dark mode: left side */
  width: var(--circle-diameter);
  height: var(--circle-diameter);
  position: absolute;
  background: var(--circle-bg);
  border-radius: inherit;
  /* Sun icon — dark mode mein dikhta hai */
  background-image: url("data:image/svg+xml;base64,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");
  background-repeat: no-repeat;
  background-position: center center;
  /* Smooth sliding animation */
  transition: left 150ms cubic-bezier(0.4, 0, 0.2, 1) 0ms,
              transform 150ms cubic-bezier(0.4, 0, 0.2, 1) 0ms;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0px 2px 1px -1px rgba(0,0,0,0.2),
              0px 1px 1px 0px rgba(0,0,0,0.14),
              0px 1px 3px 0px rgba(0,0,0,0.12);
}

/* Ripple effect — click karne par flash dikhta hai */
.slider .circle::before {
  content: "";
  position: absolute;
  width: 100%;
  height: 100%;
  background: rgba(255, 255, 255, 0.75);
  border-radius: inherit;
  transition: all 500ms;
  opacity: 0;
}

/* ── CHECKED STATE = Light Mode ── */
/* Circle right side par jata hai + moon icon dikhta hai */
.ui-switch input:checked + .slider .circle {
  left: calc(100% - var(--circle-diameter)); /* right side */
  background-image: url("data:image/svg+xml;base64,PHN2ZyB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciIGhlaWdodD0iMjAiIHdpZHRoPSIyMCIgdmlld0JveD0iMCAwIDIwIDIwIj4KICAgIDxwYXRoIGZpbGw9IiNmZmYiCiAgICAgICAgZD0iTTQuMiAyLjVsLS43IDEuOC0xLjguNyAxLjguNy43IDEuOC42LTEuOEw2LjcgNWwtMS45LS43LS42LTEuOHptMTUgOC4zYTYuNyA2LjcgMCAxMS02LjYtNi42IDUuOCA1LjggMCAwMDYuNiA2LjZ6IiAvPgo8L3N2Zz4=");
}

/* Active ripple — click hold pe */
.ui-switch input:active + .slider .circle::before {
  transition: 0s;
  opacity: 1;
  width: 0;
  height: 0;
}

/* CV Dropdown */
.nav-cv { position: relative; }
.nav-cv-btn {
  font-family: 'Orbitron', monospace;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 2px;
  color: var(--accent2);
  background: rgba(255,107,53,0.1);
  border: 1px solid rgba(255,107,53,0.4);
  padding: 8px 16px;
  border-radius: 2px;
  cursor: pointer;
  transition: all 0.3s;
  text-transform: uppercase;
  display: flex;
  align-items: center;
  gap: 6px;
  
}
.nav-cv-btn:hover {
  background: rgba(255,107,53,0.2);
  box-shadow: var(--glow2);
}
.cv-dropdown {
  display: none;
  position: absolute;
  top: calc(100% );
  right: 0;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 4px;
  min-width: 240px;
  overflow: hidden;
  z-index: 100;
}
.nav-cv:hover .cv-dropdown { display: block; }
.cv-dropdown a {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 13px 18px;
  font-family: 'Rajdhani', sans-serif;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text);
  text-decoration: none;
  border-bottom: 1px solid var(--border);
  transition: all 0.2s;
  letter-spacing: 1px;
}
.cv-dropdown a:last-child { border-bottom: none; }
.cv-dropdown a:hover { background: rgba(0,212,255,0.08); color: var(--accent); }

/* Hamburger */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 8px;
}
.hamburger span {
  width: 24px; height: 2px;
  background: var(--accent);
  transition: all 0.3s;
}

/* ─── SECTIONS ─── */
section {
  position: relative;
  z-index: 1;
  min-height: 100vh;
  padding-top: 68px;
}

/* ═══════════ PAGE 1 — HOME ═══════════ */
#home {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 90px 0 10px;
}

.hero-wrapper {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
  max-width: 1200px;
  width: 100%;
  margin-bottom: 80px;
}

.profile-side {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 24px;
}

.profile-orbit {
  position: relative;
  width: 260px; height: 260px;
}

.orbit-ring {
  position: absolute;
  inset: -20px;
  border: 1.5px solid rgba(0,212,255,0.25);
  border-radius: 50%;
  animation: orbitSpin 8s linear infinite;
}
.orbit-ring::before {
  content: '';
  position: absolute;
  top: 50%; left: -6px;
  width: 10px; height: 10px;
  background: var(--accent);
  border-radius: 50%;
  box-shadow: var(--glow);
  transform: translateY(-50%);
}
.orbit-ring2 {
  position: absolute;
  inset: -40px;
  border: 1px solid rgba(255,107,53,0.15);
  border-radius: 50%;
  animation: orbitSpin 14s linear infinite reverse;
}
.orbit-ring2::before {
  content: '';
  position: absolute;
  bottom: -5px; left: 50%;
  width: 8px; height: 8px;
  background: var(--accent2);
  border-radius: 50%;
  box-shadow: var(--glow2);
  transform: translateX(-50%);
}
@keyframes orbitSpin {
  from { transform: rotate(0deg); }
  to   { transform: rotate(360deg); }
}

.profile-img-wrap {
  width: 260px; height: 260px;
  border-radius: 50%;
  overflow: hidden;
  border: 3px solid var(--accent);
  box-shadow: var(--glow), 0 0 60px rgba(0,212,255,0.15);
  position: relative;
  background: var(--panel2);
  display: flex;
  align-items: center;
  justify-content: center;
}
.profile-img-wrap img { width: 100%; height: 100%; object-fit: cover; }
.profile-placeholder { font-size: 6rem; opacity: 0.4; }

.status-badge {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 20px;
  background: rgba(127,255,0,0.08);
  border: 1px solid rgba(127,255,0,0.3);
  border-radius: 20px;
  font-family: 'Space Mono', monospace;
  font-size: 0.75rem;
  color: var(--accent3);
  letter-spacing: 1px;
}
.status-dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--accent3);
  animation: pulse 2s ease-in-out infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50%       { opacity: 0.5; transform: scale(0.8); }
}

/* Hero Text */
.hero-tag {
  font-family: 'Space Mono', monospace;
  font-size: 0.75rem;
  color: var(--accent);
  letter-spacing: 4px;
  text-transform: uppercase;
  margin-bottom: 12px;
  opacity: 0;
  animation: fadeUp 0.6s ease forwards 0.2s;
}
.hero-name {
  font-family: 'Orbitron', monospace;
  font-size: clamp(2.2rem, 4vw, 3.5rem);
  font-weight: 900;
  line-height: 1.1;
  color: #fff;
  margin-bottom: 8px;
  opacity: 0;
  animation: fadeUp 0.6s ease forwards 0.4s;
}
.hero-name .accent { color: var(--accent); }

.hero-title {
  font-family: 'Orbitron', monospace;
  font-size: clamp(0.9rem, 1.5vw, 1.2rem);
  color: var(--accent2);
  letter-spacing: 3px;
  margin-bottom: 24px;
  opacity: 0;
  animation: fadeUp 0.6s ease forwards 0.6s;
}
.hero-bio {
  font-size: 1.05rem;
  line-height: 1.8;
  color: var(--text2);
  margin-bottom: 32px;
  opacity: 0;
  animation: fadeUp 0.6s ease forwards 0.8s;
}
.hero-bio strong { color: var(--text); font-weight: 600; }

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(20px); }
  to   { opacity: 1; transform: translateY(0); }
}

.hero-btns {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  opacity: 0;
  animation: fadeUp 0.6s ease forwards 1s;
}

.btn-primary {
  font-family: 'Orbitron', monospace;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  padding: 14px 28px;
  background: var(--accent);
  color: #000;
  border: none;
  border-radius: 2px;
  cursor: pointer;
  text-decoration: none;
  transition: all 0.3s;
  position: relative;
  overflow: hidden;
}
.btn-primary::before {
  content: '';
  position: absolute;
  inset: 0;
  background: #fff;
  transform: translateX(-100%);
  transition: transform 0.3s;
}
.btn-primary:hover::before { transform: translateX(0); }
.btn-primary:hover { box-shadow: var(--glow); color: #000; }
.btn-primary span { position: relative; z-index: 1; }

.btn-outline {
  font-family: 'Orbitron', monospace;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  padding: 13px 28px;
  background: transparent;
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 2px;
  cursor: pointer;
  text-decoration: none;
  transition: all 0.3s;
}
.btn-outline:hover {
  border-color: var(--accent);
  color: var(--accent);
  background: rgba(0,212,255,0.06);
}

/* ─── STATS ROW ─── */
.stats-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  max-width: 1200px;
  width: 100%;
  margin-bottom: 80px;
  opacity: 0;
  animation: fadeUp 0.6s ease forwards 1.2s;
}
.stat-card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 24px 20px;
  text-align: center;
  position: relative;
  overflow: hidden;
  transition: all 0.3s;
}
.stat-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--accent), transparent);
}
.stat-card:hover {
  transform: translateY(-4px);
  border-color: rgba(0,212,255,0.4);
  box-shadow: var(--glow);
}
.stat-num {
  font-family: 'Orbitron', monospace;
  font-size: 2rem;
  font-weight: 900;
  color: var(--accent);
  display: block;
}
.stat-label {
  font-size: 0.85rem;
  color: var(--text2);
  letter-spacing: 1px;
  margin-top: 4px;
  font-weight: 500;
}

/* ─── INFO GRID ─── */
.info-grid {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 24px;
  max-width: 1200px;
  width: 100%;
  margin-bottom: 80px;
}
.info-card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 28px;
  transition: all 0.3s;
  position: relative;
  overflow: hidden;
}
.info-card::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(0,212,255,0.03), transparent);
  opacity: 0;
  transition: opacity 0.3s;
}
.info-card:hover::after { opacity: 1; }
.info-card:hover {
  border-color: rgba(0,212,255,0.35);
  transform: translateY(-3px);
}
.info-card-header {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 20px;
}
.info-card-icon {
  width: 40px; height: 40px;
  border-radius: 4px;
  background: rgba(0,212,255,0.1);
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
}
.info-card-title {
  font-family: 'Orbitron', monospace;
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--accent);
  letter-spacing: 2px;
  text-transform: uppercase;
}

/* Timeline */
.timeline-item {
  display: flex;
  gap: 12px;
  margin-bottom: 16px;
  position: relative;
  padding-left: 16px;
}
.timeline-item::before {
  content: '';
  position: absolute;
  left: 0; top: 8px;
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 8px var(--accent);
}
.timeline-item:not(:last-child)::after {
  content: '';
  position: absolute;
  left: 2.5px; top: 16px; bottom: -16px;
  width: 1px;
  background: var(--border);
}
.tl-year {
  font-family: 'Space Mono', monospace;
  font-size: 0.7rem;
  color: var(--accent2);
  white-space: nowrap;
  min-width: 70px;
}
.tl-title { font-weight: 600; font-size: 0.95rem; color: var(--text); margin-bottom: 2px; }
.tl-sub   { font-size: 0.82rem; color: var(--text2); line-height: 1.5; }

/* Skills */
.skill-item { margin-bottom: 14px; }
.skill-header {
  display: flex;
  justify-content: space-between;
  margin-bottom: 6px;
  font-size: 0.88rem;
  font-weight: 500;
}
.skill-pct { color: var(--accent); font-family: 'Space Mono', monospace; font-size: 0.75rem; }
.skill-bar {
  height: 4px;
  background: rgba(255,255,255,0.07);
  border-radius: 2px;
  overflow: hidden;
}
.skill-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--accent), var(--accent2));
  border-radius: 2px;
  animation: fillBar 1.5s ease forwards;
  transform-origin: left;
}
@keyframes fillBar {
  from { width: 0 !important; }
}

/* Internship */
.intern-card {
  background: rgba(0,212,255,0.04);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 14px 16px;
  margin-bottom: 12px;
}
.intern-company { font-family: 'Orbitron', monospace; font-size: 0.75rem; color: var(--accent); letter-spacing: 1px; margin-bottom: 4px; }
.intern-role    { font-weight: 600; font-size: 0.95rem; margin-bottom: 2px; }
.intern-date    { font-size: 0.8rem; color: var(--text2); font-family: 'Space Mono', monospace; }

/* ─── TECH STACK ─── */
.tech-section {
  max-width: 1200px;
  width: 100%;
  margin-bottom: 40px;
}
.section-heading {
  font-family: 'Orbitron', monospace;
  font-size: 0.75rem;
  color: var(--text2);
  letter-spacing: 4px;
  text-transform: uppercase;
  margin-bottom: 20px;
  display: flex;
  align-items: center;
  gap: 12px;
}
.section-heading::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--border);
}
.tech-pills { display: flex; flex-wrap: wrap; gap: 10px; }
.tech-pill {
  padding: 7px 16px;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 2px;
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 1px;
  color: var(--text2);
  transition: all 0.25s;
  cursor: default;
}
.tech-pill:hover {
  color: var(--accent);
  border-color: rgba(0,212,255,0.4);
  background: rgba(0,212,255,0.06);
  transform: translateY(-2px);
}
.tech-pill.hot   { color: var(--accent2); border-color: rgba(255,107,53,0.35); }
.tech-pill.hot:hover { background: rgba(255,107,53,0.06); }
.tech-pill.green { color: var(--accent3); border-color: rgba(127,255,0,0.3); }

/* ═══════════ EXPERTISE / FEATURES SECTION ═══════════ */
.expertise-section {
  max-width: 1200px;
  width: 100%;
  margin-bottom: 60px;
  padding-top: 20px;
}

.expertise-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.expertise-card {
  background: var(--panel);
  border-radius: 12px;
  padding: 28px 24px;
  position: relative;
  overflow: hidden;
  transition: all 0.4s ease;
  border: 1px solid var(--border);
  cursor: default;
}

/* Glowing orb background */
.exp-glow-orb {
  position: absolute;
  width: 160px; height: 160px;
  border-radius: 50%;
  top: -40px; right: -40px;
  opacity: 0.15;
  transition: all 0.4s ease;
  pointer-events: none;
}

.robo-card  { border-top: 3px solid var(--accent); }
.python-card{ border-top: 3px solid var(--accent2); }
.wp-card    { border-top: 3px solid var(--accent3); }
.frontend-card { border-top: 3px solid #b06aff; }

.robo-card   .exp-glow-orb { background: radial-gradient(circle, var(--accent), transparent); }
.python-card .exp-glow-orb { background: radial-gradient(circle, var(--accent2), transparent); }
.wp-card     .exp-glow-orb { background: radial-gradient(circle, var(--accent3), transparent); }
.frontend-card .exp-glow-orb { background: radial-gradient(circle, #b06aff, transparent); }

.expertise-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 24px 48px rgba(0,0,0,0.3);
}
.expertise-card:hover .exp-glow-orb { opacity: 0.28; transform: scale(1.2); }

.robo-card:hover   { border-color: var(--accent); box-shadow: 0 24px 48px rgba(0,0,0,0.3), 0 0 20px rgba(0,212,255,0.15); }
.python-card:hover { border-color: var(--accent2); box-shadow: 0 24px 48px rgba(0,0,0,0.3), 0 0 20px rgba(255,107,53,0.15); }
.wp-card:hover     { border-color: var(--accent3); box-shadow: 0 24px 48px rgba(0,0,0,0.3), 0 0 20px rgba(127,255,0,0.15); }
.frontend-card:hover { border-color: #b06aff; box-shadow: 0 24px 48px rgba(0,0,0,0.3), 0 0 20px rgba(176,106,255,0.15); }

.exp-icon-wrap {
  width: 56px; height: 56px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.8rem;
  margin-bottom: 18px;
  position: relative;
  z-index: 1;
}
.robo-icon     { background: rgba(0,212,255,0.12); border: 1px solid rgba(0,212,255,0.3); }
.python-icon   { background: rgba(255,107,53,0.12); border: 1px solid rgba(255,107,53,0.3); }
.wp-icon       { background: rgba(127,255,0,0.12); border: 1px solid rgba(127,255,0,0.3); }
.frontend-icon { background: rgba(176,106,255,0.12); border: 1px solid rgba(176,106,255,0.3); }

.exp-category {
  font-family: 'Space Mono', monospace;
  font-size: 0.6rem;
  letter-spacing: 2px;
  text-transform: uppercase;
  margin-bottom: 8px;
  position: relative; z-index: 1;
}
.robo-card     .exp-category { color: var(--accent); }
.python-card   .exp-category { color: var(--accent2); }
.wp-card       .exp-category { color: var(--accent3); }
.frontend-card .exp-category { color: #b06aff; }

.exp-title {
  font-family: 'Orbitron', monospace;
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 12px;
  line-height: 1.3;
  position: relative; z-index: 1;
}

.exp-desc {
  font-size: 0.85rem;
  color: var(--text2);
  line-height: 1.65;
  margin-bottom: 16px;
  position: relative; z-index: 1;
}

.exp-tech-list {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 18px;
  position: relative; z-index: 1;
}
.exp-tech-list span {
  padding: 3px 9px;
  font-size: 0.7rem;
  font-family: 'Space Mono', monospace;
  border-radius: 2px;
  background: rgba(255,255,255,0.05);
  border: 1px solid var(--border);
  color: var(--text2);
}

.exp-level {
  position: relative; z-index: 1;
}
.exp-level-label {
  font-size: 0.68rem;
  font-family: 'Space Mono', monospace;
  color: var(--text2);
  letter-spacing: 1px;
  text-transform: uppercase;
  margin-bottom: 6px;
  display: block;
}
.exp-level-bar {
  height: 3px;
  background: rgba(255,255,255,0.07);
  border-radius: 2px;
  overflow: hidden;
}
.exp-level-fill {
  height: 100%;
  border-radius: 2px;
  animation: fillBar 1.8s ease forwards;
}
.robo-card     .exp-level-fill { background: linear-gradient(90deg, var(--accent), #0066ff); }
.python-card   .exp-level-fill { background: linear-gradient(90deg, var(--accent2), #ff0066); }
.wp-card       .exp-level-fill { background: linear-gradient(90deg, var(--accent3), #00cc66); }
.frontend-card .exp-level-fill { background: linear-gradient(90deg, #b06aff, var(--accent2)); }

/* ═══════════ PAGE 2 — PROJECTS ═══════════ */
#projects {
  padding: 100px 5% 60px;
  display: flex;
  flex-direction: column;
  align-items: center;
}
.page-header {
  text-align: center;
  margin-bottom: 30px;
  max-width: 700px;
}
.page-tag {
  font-family: 'Space Mono', monospace;
  font-size: 0.72rem;
  color: var(--accent);
  letter-spacing: 5px;
  text-transform: uppercase;
  margin-bottom: 12px;
}
.page-title {
  font-family: 'Orbitron', monospace;
  font-size: clamp(2rem, 4vw, 3.2rem);
  font-weight: 900;
  color: #fff;
  margin-bottom: 2px;
  line-height: 1.15;
}
[data-theme="light"] .page-title { color: var(--text); }
.page-title span { color: var(--accent); }
.page-desc { font-size: 1.05rem; color: var(--text2); line-height: 1.7; }

/* Tabs */
.proj-tabs {
  display: flex;
  gap: 8px;
  margin-bottom: 40px;
  flex-wrap: wrap;
  justify-content: center;
}
.tab-btn {
  font-family: 'Orbitron', monospace;
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  padding: 10px 20px;
  background: transparent;
  color: var(--text2);
  border: 1px solid var(--border);
  border-radius: 2px;
  cursor: pointer;
  transition: all 0.25s;
}
.tab-btn:hover, .tab-btn.active {
  color: var(--accent);
  border-color: rgba(0,212,255,0.5);
  background: rgba(0,212,255,0.08);
  box-shadow: var(--glow);
}

/* Projects Grid */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  max-width: 1200px;
  width: 100%;
}
.project-card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 6px;
  overflow: hidden;
  transition: all 0.35s;
  position: relative;
  display: flex;
  flex-direction: column;
}
.project-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
}
.project-card.robo::before     { background: linear-gradient(90deg, var(--accent), #0080ff); }
.project-card.python::before   { background: linear-gradient(90deg, var(--accent2), #ff0080); }
.project-card.wp::before       { background: linear-gradient(90deg, var(--accent3), #00cc66); }
.project-card.frontend::before { background: linear-gradient(90deg, #b06aff, #ff6b35); }
.project-card:hover {
  transform: translateY(-8px);
  border-color: rgba(0,212,255,0.4);
  box-shadow: 0 20px 40px rgba(0,0,0,0.4), var(--glow);
}
.project-card:hover .proj-img-overlay { opacity: 1; }

.proj-img {
  height: 180px;
  position: relative;
  overflow: hidden;
  background: var(--panel2);
}
.proj-img-bg {
  width: 100%; height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 3.5rem;
  position: relative;
  overflow: hidden;
}
.proj-img-bg.robo-bg { background: radial-gradient(circle at 30% 50%, rgba(0,212,255,0.2), transparent); }
.proj-img-bg.py-bg   { background: radial-gradient(circle at 70% 30%, rgba(255,107,53,0.2), transparent); }
.proj-img-bg.wp-bg   { background: radial-gradient(circle at 50% 70%, rgba(127,255,0,0.2), transparent); }

.proj-thumb {
  width: 100%;
  height: 100%;
  object-fit: cover;
  position: absolute;
  inset: 0;
  filter: sepia(0.6) saturate(2) hue-rotate(8deg) brightness(0.78) contrast(1.2);
  transition: filter 0.45s ease, transform 0.45s ease;
}
.project-card:hover .proj-thumb {
  filter: sepia(0.35) saturate(2.4) hue-rotate(5deg) brightness(0.92) contrast(1.12);
  transform: scale(1.05);
}

.proj-emoji-fallback {
  font-size: 4rem;
  width: 100%; height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  position: absolute;
  inset: 0;
}

.proj-img-overlay {
  position: absolute;
  inset: 0;
  background: rgba(0,212,255,0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  opacity: 0;
  transition: opacity 0.3s;
}
.proj-link-btn {
  padding: 8px 16px;
  background: var(--accent);
  color: #000;
  font-family: 'Orbitron', monospace;
  font-size: 0.6rem;
  font-weight: 700;
  letter-spacing: 1px;
  border: none;
  border-radius: 2px;
  cursor: pointer;
  text-decoration: none;
  transition: all 0.2s;
}
.proj-link-btn:hover { transform: scale(1.05); }
.proj-link-btn.ghost {
  background: transparent;
  color: var(--accent);
  border: 1px solid var(--accent);
}
.proj-body { padding: 20px; flex: 1; display: flex; flex-direction: column; }
.proj-cat {
  font-family: 'Space Mono', monospace;
  font-size: 0.65rem;
  letter-spacing: 2px;
  text-transform: uppercase;
  margin-bottom: 8px;
}
.proj-cat.robo     { color: var(--accent); }
.proj-cat.python   { color: var(--accent2); }
.proj-cat.wp       { color: var(--accent3); }
.proj-cat.frontend { color: #b06aff; }
.proj-name {
  font-family: 'Orbitron', monospace;
  font-size: 0.95rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 10px;
  line-height: 1.3;
}
.proj-desc { font-size: 0.88rem; color: var(--text2); line-height: 1.6; flex: 1; margin-bottom: 16px; }
.proj-tags { display: flex; flex-wrap: wrap; gap: 6px; }
.proj-tag {
  padding: 3px 10px;
  background: rgba(0,212,255,0.07);
  border: 1px solid rgba(0,212,255,0.15);
  border-radius: 2px;
  font-size: 0.72rem;
  color: var(--text2);
  font-family: 'Space Mono', monospace;
}

/* ═══════════════════════════════════════════
   PORTFOLIO GALLERY — New Layout
   (replaces old masonry gallery)
═══════════════════════════════════════════ */

/* Outer section */
#gallery {
  padding: 80px 5% 20px;
  display: flex;
  flex-direction: column;
  align-items: center;
}

/* Glass wrapper card */
.pg-wrap {
  width: 100%;
  max-width: 1400px;
  background: rgba(0,212,255,0.15);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  border: 1px solid var(--border);
  border-radius: 24px;
  overflow: hidden;
  padding-bottom: 0;
  margin: 0 auto;
}

/* ── Header ── */
.pg-header {
  text-align: center;
  padding: 64px 32px 40px;
}
.pg-title {
  font-family: 'Orbitron', sans-serif;
  font-size: clamp(1.8rem, 4vw, 3.2rem);
  font-weight: 900;
  color: var(--text);
  margin: 12px 0 32px;
  line-height: 1.15;
}
.pg-title span { color: var(--accent); }

.pg-archive-btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: var(--text);
  color: var(--bg);
  padding: 14px 32px;
  border-radius: 100px;
  font-family: 'Orbitron', sans-serif;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-decoration: none;
  transition: background 0.25s, transform 0.2s;
}
.pg-archive-btn:hover { background: var(--accent); transform: translateY(-2px); }
.pg-arrow {
  display: inline-block;
  transition: transform 0.2s;
  font-size: 1rem;
}
.pg-archive-btn:hover .pg-arrow { transform: translateX(4px); }

/* ═══════════════════════
   DESKTOP — 3-D Fan Stage
═══════════════════════ */
.pg-desktop-stage {
  display: block;
  position: relative;
  height: 370px;
  overflow: visible;
  margin-bottom: 0;
  clip-path: none;
}
@media (max-width: 767px) { .pg-desktop-stage { display: none; } }

/* Scrollable track — translateX moves this, fan CSS stays untouched */
.pg-fan-track {
  width: 100%;
  height: 100%;
  transition: transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
  will-change: transform;
}

/* Fan container */
.pg-fan {
  display: flex;
  align-items: flex-end;
  justify-content: center;
  gap: 0;
  margin-left: 0;
  padding-top: 220px;
  perspective: 5000px;
}

/* Individual fan card */
.pg-card {
  flex-shrink: 0;
  width: 340px;
  aspect-ratio: 16/10;
  border-radius: 12px;
  overflow: hidden;
  position: relative;
  margin-left: -195px;
  cursor: pointer;
  transition: transform 0.22s cubic-bezier(.25,.1,.25,1),
              z-index 0s;
  transform: perspective(5000px) rotateY(-45deg) translateY(0px);
  box-shadow:
    0.8px 0px 0.8px rgba(0,0,0,0.01),
    2.4px 0px 2.4px rgba(0,0,0,0.04),
    6.4px 0px 6.4px rgba(0,0,0,0.09),
    24px  0px 24px  rgba(0,0,0,0.35);
}

/* stagger heights — middle card highest */
.pg-fan .pg-card:nth-child(1)  { --lift: 30px; }
.pg-fan .pg-card:nth-child(2)  { --lift: 60px; }
.pg-fan .pg-card:nth-child(3)  { --lift: 90px; }
.pg-fan .pg-card:nth-child(4)  { --lift: 120px; }
.pg-fan .pg-card:nth-child(5)  { --lift: 150px; }
.pg-fan .pg-card:nth-child(6)  { --lift: 120px; }
.pg-fan .pg-card:nth-child(7)  { --lift: 90px; }
.pg-fan .pg-card:nth-child(8)  { --lift: 60px; }
.pg-fan .pg-card:nth-child(9)  { --lift: 30px; }
.pg-fan .pg-card:nth-child(10) { --lift: 15px; }

/* Apply stagger via translateY */
.pg-fan .pg-card {
  transform: perspective(5000px) rotateY(-45deg) translateY(calc(-1 * var(--lift, 0px)));
}

/* z-index: first child on top */
.pg-fan .pg-card:nth-child(1)  { z-index: 10; }
.pg-fan .pg-card:nth-child(2)  { z-index: 9; }
.pg-fan .pg-card:nth-child(3)  { z-index: 8; }
.pg-fan .pg-card:nth-child(4)  { z-index: 7; }
.pg-fan .pg-card:nth-child(5)  { z-index: 6; }
.pg-fan .pg-card:nth-child(6)  { z-index: 5; }
.pg-fan .pg-card:nth-child(7)  { z-index: 4; }
.pg-fan .pg-card:nth-child(8)  { z-index: 3; }
.pg-fan .pg-card:nth-child(9)  { z-index: 2; }
.pg-fan .pg-card:nth-child(10) { z-index: 1; }

/* Hover: lift up the hovered card fully, others flatten */
.pg-fan:has(.pg-card:hover) .pg-card {
  transform: perspective(5000px) rotateY(-45deg) translateY(0px);
}
.pg-fan .pg-card:hover {
  transform: perspective(5000px) rotateY(-45deg) translateY(-180px) scale(1.06) !important;
  z-index: 20 !important;
}

.pg-card img {
  width: 100%; height: 100%;
  object-fit: cover;
  object-position: left top;
  pointer-events: none;
  transition: filter 0.3s;
  filter: brightness(0.85) saturate(0.95);
}
.pg-card:hover img { filter: brightness(1) saturate(1.15); }

/* overlay label inside card */
.pg-card-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(0,0,0,0.75) 0%, transparent 55%);
  opacity: 0;
  transition: opacity 0.28s;
  display: flex;
  align-items: flex-end;
  padding: 12px;
  pointer-events: none;
}
.pg-card:hover .pg-card-overlay { opacity: 1; }
.pg-card-label {
  font-family: 'Orbitron', monospace;
  font-size: 0.6rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: #fff;
  text-shadow: 0 1px 4px rgba(0,0,0,0.9);
}

/* ── Fan Nav Buttons ── */
.pg-fan-nav {
  position: absolute;
  bottom: 18px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 14px;
  z-index: 50;
  white-space: nowrap;
}
.pg-fan-btn {
  width: 38px; height: 38px;
  border-radius: 50%;
  border: 1.5px solid var(--border);
  background: rgba(13,22,32,0.85);
  color: var(--accent);
  font-size: 1rem;
  cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  transition: all 0.25s;
  backdrop-filter: blur(8px);
  flex-shrink: 0;
}
.pg-fan-btn:hover {
  background: rgba(0,212,255,0.15);
  border-color: var(--accent);
  box-shadow: 0 0 14px rgba(0,212,255,0.4);
  transform: scale(1.1);
}
.pg-fan-dots {
  display: flex;
  gap: 7px;
  align-items: center;
}
.pg-fan-dot {
  width: 7px; height: 7px;
  border-radius: 50%;
  background: rgba(255,255,255,0.2);
  border: 1px solid rgba(0,212,255,0.2);
  cursor: pointer;
  transition: all 0.28s;
}
.pg-fan-dot.active {
  background: var(--accent);
  border-color: var(--accent);
  box-shadow: 0 0 8px rgba(0,212,255,0.6);
  width: 20px;
  border-radius: 4px;
}

/* ═══════════════════════
   MOBILE — Marquee Strip
═══════════════════════ */
.pg-marquee-wrap {
  display: none;         /* hidden on desktop */
  padding: 0 0 40px;
  overflow: hidden;
}
@media (max-width: 767px) { .pg-marquee-wrap { display: block; } }

/* Marquee track — duplicated by JS for seamless loop */
.pg-marquee {
  overflow: hidden;
  width: 100%;
}
.pg-marquee-track {
  display: flex;
  gap: 14px;
  width: max-content;
  animation: pgScroll 36s linear infinite;
  padding: 8px 0;
}
.pg-marquee-track:hover { animation-play-state: paused; }

@keyframes pgScroll {
  0%   { transform: translateX(0); }
  100% { transform: translateX(-50%); }  /* JS doubles the track */
}

.pg-m-card {
  flex-shrink: 0;
  width: 300px;          /* ↑ was 220px */
  aspect-ratio: 16/10;
  border-radius: 12px;
  overflow: hidden;
  cursor: pointer;
  border: 1px solid var(--border);
  transition: transform 0.25s;
  box-shadow: 0 4px 24px rgba(0,0,0,0.4);
}
.pg-m-card:hover { transform: scale(1.04); }
.pg-m-card img {
  width: 100%; height: 100%;
  object-fit: cover;
  filter: brightness(0.85);
  transition: filter 0.3s;
}
.pg-m-card:hover img { filter: brightness(1); }

/* Lightbox label */
.lightbox-label {
  text-align: center;
  padding-top: 12px;
  font-family: 'Orbitron', monospace;
  font-size: 0.72rem;
  color: var(--text2);
  letter-spacing: 1px;
}

/* Lightbox */
.lightbox {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.9);
  z-index: 9998;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s;
  backdrop-filter: blur(8px);
}
.lightbox.active {
  opacity: 1;
  pointer-events: all;
}
.lightbox-inner {
  position: relative;
  max-width: 90vw;
  max-height: 90vh;
}
.lightbox-inner img {
  max-width: 90vw;
  max-height: 85vh;
  object-fit: contain;
  border-radius: 8px;
  border: 1px solid var(--border);
}
.lightbox-close {
  position: absolute;
  top: -16px; right: -16px;
  width: 36px; height: 36px;
  border-radius: 50%;
  background: var(--panel);
  border: 1px solid var(--border);
  color: var(--text);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  font-size: 0.9rem;
  transition: all 0.2s;
}
.lightbox-close:hover { background: var(--accent); color: #000; }
.lightbox-label {
  text-align: center;
  margin-top: 12px;
  font-family: 'Orbitron', monospace;
  font-size: 0.75rem;
  color: var(--text2);
  letter-spacing: 2px;
}

/* ═══════════ PAGE 3 — CONTACT ═══════════ */
#contact {
  padding: 100px 5% 60px;
  display: flex;
  flex-direction: column;
  align-items: center;
}
.contact-layout {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 60px;
  max-width: 1200px;
  width: 100%;
  margin-top: 20px;
  overflow: visible;
}
.contact-info h3 {
  font-family: 'Orbitron', monospace;
  font-size: 1rem;
  font-weight: 700;
  color: var(--accent);
  letter-spacing: 2px;
  margin-bottom: 20px;
}
.contact-info p {
  font-size: 1rem;
  color: var(--text2);
  line-height: 1.8;
  margin-bottom: 32px;
}
.contact-links { display: flex; flex-direction: column; gap: 12px; margin-bottom: 40px; }
.contact-link {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 14px 18px;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 4px;
  text-decoration: none;
  color: var(--text);
  transition: all 0.3s;
  position: relative;
  overflow: hidden;
}
.contact-link::before {
  content: '';
  position: absolute;
  left: 0; top: 0; bottom: 0;
  width: 3px;
}
.contact-link.github::before   { background: #fff; }
.contact-link.linkedin::before { background: #0077b5; }
.contact-link.email::before    { background: var(--accent2); }
.contact-link:hover {
  transform: translateX(6px);
  border-color: rgba(0,212,255,0.4);
  background: rgba(0,212,255,0.06);
}
.link-icon { font-size: 1.2rem; width: 24px; text-align: center; }
.link-platform { font-family: 'Orbitron', monospace; font-size: 0.7rem; color: var(--accent); letter-spacing: 2px; }
.link-handle   { font-size: 0.9rem; color: var(--text); font-weight: 500; }

/* Contact Form */
.contact-form-wrap {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 36px;
  position: relative;
  overflow: visible;
}
.contact-form-wrap::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--accent), var(--accent2), var(--accent3));
}

.form-title {
  font-family: 'Orbitron', monospace;
  font-size: 1rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 28px;
  letter-spacing: 2px;
}
.form-title span { color: var(--accent); }
.form-row    { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-group  { margin-bottom: 20px; }
.form-label  {
  display: block;
  font-family: 'Space Mono', monospace;
  font-size: 0.68rem;
  color: var(--text2);
  letter-spacing: 2px;
  text-transform: uppercase;
  margin-bottom: 8px;
}
.form-input, .form-textarea {
  width: 100%;
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: 3px;
  padding: 12px 16px;
  font-family: 'Rajdhani', sans-serif;
  font-size: 1rem;
  color: var(--text);
  outline: none;
  transition: all 0.25s;
  font-weight: 500;
}
.form-input:focus, .form-textarea:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(0,212,255,0.08);
  background: rgba(0,212,255,0.03);
}
.form-textarea { resize: vertical; min-height: 120px; }
::placeholder  { color: rgba(138,160,184,0.4); }
.form-submit {
  width: 100%;
  padding: 14px;
  background: linear-gradient(135deg, var(--accent), #0066ff);
  color: #000;
  border: none;
  border-radius: 3px;
  font-family: 'Orbitron', monospace;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 3px;
  text-transform: uppercase;
  cursor: pointer;
  transition: all 0.3s;
}
.form-submit:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(0,212,255,0.4);
}

/* Toast */
.toast {
  position: fixed;
  bottom: 30px; right: 30px;
  background: var(--panel);
  border: 1px solid var(--accent);
  border-radius: 4px;
  padding: 16px 24px;
  font-family: 'Space Mono', monospace;
  font-size: 0.8rem;
  color: var(--accent);
  box-shadow: var(--glow);
  opacity: 0;
  transform: translateY(20px);
  transition: all 0.4s;
  z-index: 9000;
}
.toast.show { opacity: 1; transform: translateY(0); }

/* Social Grid */
.social-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
  max-width: 1200px;
  width: 100%;
  margin-top: 48px;
}
.social-card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 20px;
  text-align: center;
  text-decoration: none;
  color: var(--text);
  transition: all 0.3s;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
}
.social-card:hover {
  transform: translateY(-5px);
  border-color: rgba(0,212,255,0.5);
  box-shadow: var(--glow);
}
.social-card .s-icon   { font-size: 1.8rem; }
.social-card .s-name   { font-family: 'Orbitron', monospace; font-size: 0.65rem; color: var(--accent); letter-spacing: 2px; }
.social-card .s-handle { font-size: 0.85rem; color: var(--text2); }

/* ─── FOOTER ─── */
footer {
  position: relative;
  z-index: 1;
  background: var(--panel);
  border-top: 1px solid var(--border);
  padding: 32px 5%;
  text-align: center;
}
.footer-logo {
  font-family: 'Orbitron', monospace;
  font-size: 1rem;
  font-weight: 900;
  color: var(--accent);
  margin-bottom: 8px;
}
.footer-text { font-size: 0.85rem; color: var(--text2); font-family: 'Space Mono', monospace; }
.footer-text span { color: var(--accent2); }

/* ─── SCROLL ANIMATIONS ─── */
.scroll-reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.scroll-reveal.visible { opacity: 1; transform: translateY(0); }

/* ─── RESPONSIVE ─── */
@media (max-width: 1100px) {
  .projects-grid  { grid-template-columns: repeat(2, 1fr); }
  .info-grid      { grid-template-columns: 1fr 1fr; }
  .expertise-grid { grid-template-columns: repeat(2, 1fr); }
  .gallery-masonry { grid-template-columns: repeat(3, 1fr); }
}
@media (max-width: 900px) {
  .hamburger { display: flex; }
  .nav-links {
    display: none;
    position: absolute;
    top: 68px; left: 0; right: 0;
    background: var(--bg);
    border-bottom: 1px solid var(--border);
    flex-direction: column;
    padding: 16px;
    gap: 4px;
  }
  .nav-links.open { display: flex; }
  .nav-links a { padding: 12px 16px; }
  .nav-cv { width: 100%; }
  .nav-cv-btn { width: 100%; justify-content: center; }
  .cv-dropdown { width: 100%; }
}
@media (max-width: 768px) {
  .hero-wrapper     { grid-template-columns: 1fr; text-align: center; gap: 40px; }
  .hero-btns        { justify-content: center; }
  .stats-row        { grid-template-columns: repeat(2, 1fr); }
  .info-grid        { grid-template-columns: 1fr; }
  .projects-grid    { grid-template-columns: 1fr; }
  .contact-layout   { grid-template-columns: 1fr; gap: 32px; }
  .form-row         { grid-template-columns: 1fr; }
  .social-grid      { grid-template-columns: repeat(2, 1fr); }
  .expertise-grid   { grid-template-columns: 1fr 1fr; }
  .gallery-masonry  { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 480px) {
  .stats-row        { grid-template-columns: repeat(2, 1fr); }
  .profile-orbit    { width: 200px; height: 200px; }
  .profile-img-wrap { width: 200px; height: 200px; }
  .expertise-grid   { grid-template-columns: 1fr; }
  .gallery-masonry  { grid-template-columns: 1fr; }
  .gallery-item.tall, .gallery-item.wide { grid-column: span 1; grid-row: span 1; }
}
/* ════════════════════════════════════════
   RADIAL ORBITAL TIMELINE — What I Do
════════════════════════════════════════ */
.orbital-section {
  padding: 0;
  margin: 0;
  max-width: 1200px;
  width: 100%;
}
.orbital-wrapper {
  position: relative;
  width: 1000px;
  height: 520px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* Center core */
.orb-center {
  position: absolute;
  width: 64px; height: 64px;
  border-radius: 50%;
  background: linear-gradient(135deg, #7c3aed, #2563eb, #0891b2);
  display: flex; align-items: center; justify-content: center;
  z-index: 10;
  animation: orbPulse 3s ease-in-out infinite;
}
.orb-ping {
  position: absolute;
  border-radius: 50%;
  border: 1px solid rgba(0,212,255,0.3);
  animation: orbPing 2s cubic-bezier(0,0,0.2,1) infinite;
}
.orb-ping1 { width: 80px; height: 80px; }
.orb-ping2 { width: 96px; height: 96px; animation-delay: 0.6s; opacity: 0.5; }
.orb-core-dot {
  width: 28px; height: 28px;
  border-radius: 50%;
  background: rgba(255,255,255,0.85);
  backdrop-filter: blur(8px);
}
@keyframes orbPulse {
  0%,100% { box-shadow: 0 0 20px rgba(0,212,255,0.4); }
  50% { box-shadow: 0 0 40px rgba(0,212,255,0.8); }
}
@keyframes orbPing {
  75%, 100% { transform: scale(2); opacity: 0; }
}

/* Orbit ring */
.orb-ring {
  position: absolute;
  width: 505px; height: 505px;
  border-radius: 50%;
  border: 1.5px solid rgba(0,212,255,0.55);
  pointer-events: none;
  box-shadow: 0 0 16px rgba(0,212,255,0.12), inset 0 0 16px rgba(0,212,255,0.04);
}
[data-theme="light"] .orb-ring {
  border-color: rgba(0,128,204,0.4);
  box-shadow: 0 0 12px rgba(0,128,204,0.12);
}

/* Nodes */
.orb-node {
  position: absolute;
  cursor: pointer;
  transition: all 0.6s cubic-bezier(0.4,0,0.2,1);
}
.orb-node-glow {
  position: absolute;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(0,212,255,0.15) 0%, transparent 70%);
  width: 80px; height: 80px;
  top: -20px; left: -20px;
  transition: opacity 0.3s;
}
.orb-node-circle {
  width: 44px; height: 44px;
  border-radius: 50%;
  border: 2px solid rgba(0,212,255,0.4);
  background: var(--panel);
  display: flex; align-items: center; justify-content: center;
  font-size: 20px;
  transition: all 0.3s;
  position: relative; z-index: 2;
  box-shadow: 0 0 12px rgba(0,212,255,0.15);
}
.orb-node:hover .orb-node-circle,
.orb-node.active .orb-node-circle {
  border-color: var(--accent);
  background: rgba(0,212,255,0.15);
  box-shadow: 0 0 24px rgba(0,212,255,0.5);
  transform: scale(1.4);
}
.orb-node.related .orb-node-circle {
  border-color: var(--accent);
  animation: orbNodePulse 1.2s ease infinite;
}
@keyframes orbNodePulse {
  0%,100% { box-shadow: 0 0 8px rgba(0,212,255,0.3); }
  50% { box-shadow: 0 0 22px rgba(0,212,255,0.7); }
}

/* Labels */
.orb-node-label {
  position: absolute;
  top: 50px;
  left: 50%;
  transform: translateX(-50%);
  white-space: nowrap;
  font-family: 'Orbitron', monospace;
  font-size: 0.6rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--text2);
  transition: color 0.3s, transform 0.3s;
}
.orb-node.active .orb-node-label {
  color: var(--accent);
  transform: translateX(-50%) scale(1.2);
}

/* Info Card */
.orb-card {
  display: none;
  position: absolute;
  top: 60px;
  left: 50%;
  transform: translateX(-50%);
  width: 290px;
  height: 280px;
  background: rgba(8,15,23,0.95);
  backdrop-filter: blur(16px);
  border: 1px solid rgba(0,212,255,0.25);
  border-radius: 10px;
  padding: 19px;
  z-index: 100;
  box-shadow: 0 8px 32px rgba(0,0,0,0.6), 0 0 20px rgba(0,212,255,0.1);
  animation: cardFadeIn 0.25s ease forwards;
}
@keyframes cardFadeIn {
  from { opacity: 0; transform: translateX(-50%) translateY(8px); }
  to   { opacity: 1; transform: translateX(-50%) translateY(0); }
}
.orb-node.active .orb-card { display: block; }

/* Arrow connector */
.orb-card-arrow {
  position: absolute;
  top: -7px; left: 50%;
  transform: translateX(-50%);
  width: 1px; height: 7px;
  background: rgba(0,212,255,0.4);
}
.orb-card-arrow::after {
  content: '';
  position: absolute;
  top: -3px; left: -3px;
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--accent);
}

/* Card internals */
.orb-card-top {
  display: flex; justify-content: space-between; align-items: center;
  margin-bottom: 8px;
}
.orb-badge {
  font-family: 'Space Mono', monospace;
  font-size: 0.58rem;
  padding: 2px 7px;
  border-radius: 3px;
  border: 1px solid;
  font-weight: 700;
}
.status-completed { color: rgb(182, 247, 118); border-color: rgb(182, 247, 118); background: rgba(127,255,0,0.08); }
.status-inprogress { color: var(--accent); border-color: var(--accent); background: rgba(0,212,255,0.08); }
.orb-card-date {
  font-size: 0.62rem;
  color: var(--text2);
  font-family: 'Space Mono', monospace;
}
.orb-card-title {
  font-family: 'Orbitron', monospace;
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 6px;
}
.orb-card-desc {
  font-size: 0.75rem;
  color: var(--text2);
  line-height: 1.55;
  margin-bottom: 10px;
}
.orb-energy-row {
  display: flex; justify-content: space-between;
  font-size: 0.65rem; color: var(--text2);
  margin-bottom: 4px;
}
.orb-energy-num { font-family: 'Space Mono', monospace; color: var(--accent); }
.orb-energy-bar {
  width: 100%; height: 3px;
  background: rgba(255,255,255,0.08);
  border-radius: 2px;
  overflow: hidden;
  margin-bottom: 10px;
}
.orb-energy-fill {
  height: 100%;
  background: linear-gradient(90deg, #2563eb, #7c3aed);
  border-radius: 2px;
}
.orb-card-tags {
  display: flex; flex-wrap: wrap; gap: 4px;
  margin-bottom: 10px;
}
.orb-card-tags span {
  font-size: 0.58rem;
  padding: 2px 6px;
  border: 1px solid var(--border);
  border-radius: 3px;
  color: var(--text2);
  background: var(--panel2);
}
.orb-connected-label {
  font-size: 0.6rem;
  color: var(--text2);
  letter-spacing: 0.08em;
  margin-bottom: 5px;
}
.orb-connected-btns {
  display: flex; flex-wrap: wrap; gap: 4px;
}
.orb-conn-btn {
  font-size: 0.6rem;
  padding: 2px 8px;
  border: 1px solid rgba(0,212,255,0.25);
  border-radius: 3px;
  background: transparent;
  color: rgba(224,234,245,0.8);
  cursor: pointer;
  font-family: 'Rajdhani', sans-serif;
  transition: all 0.2s;
}
.orb-conn-btn:hover {
  background: rgba(0,212,255,0.1);
  border-color: var(--accent);
  color: var(--accent);
}

/* Mobile: stack vertically */
@media (max-width: 600px) {
  .orbital-wrapper {
    width: 420px; height: 420px;
  }
  .orb-ring { width: 340px; height: 340px; }
  .orb-card { width: 170px; font-size: 0.7rem; }
}
/* ─── View All Projects Button ─── */
.view-all-wrap {
  text-align: center;
  margin: 48px 0 20px;
}

.view-all-btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 36px;
  background: transparent;
  border: 2px solid var(--accent);
  color: var(--accent);
  font-family: 'Orbitron', monospace;
  font-size: 0.95rem;
  font-weight: 700;
  letter-spacing: 1px;
  text-decoration: none;
  border-radius: 6px;
  cursor: pointer;
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

.view-all-btn::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--accent);
  transform: translateX(-100%);
  transition: transform 0.3s ease;
  z-index: 0;
}

.view-all-btn:hover::before { transform: translateX(0); }
.view-all-btn:hover { color: #000; box-shadow: var(--glow); }
.view-all-btn span, .view-all-btn svg { position: relative; z-index: 1; }

.view-all-sub {
  margin-top: 12px;
  color: var(--text2);
  font-size: 0.85rem;
  font-family: 'Rajdhani', sans-serif;
}