/* ═══════════════════════════════════════════════
   JUDE PORTFOLIO — MASTER STYLESHEET
   Theme: Dark-first editorial tech aesthetic
   Fonts: Syne (display) + DM Sans (body) + DM Mono (code)
═══════════════════════════════════════════════ */

/* ── 1. CSS Custom Properties ────────────────── */
:root {
  /* Colors — Dark Theme */
  --bg: #080c10;
  --bg-2: #0d1117;
  --bg-3: #141b22;
  --bg-card: #111820;
  --border: rgba(255,255,255,0.07);
  --border-hover: rgba(255,255,255,0.15);
  --text: #e8edf3;
  --text-2: #8b9ab0;
  --text-3: #556070;

  /* Accent */
  --accent: #00d4ff;
  --accent-2: #7c3aed;
  --accent-glow: rgba(0,212,255,0.15);
  --gradient: linear-gradient(135deg, #00d4ff, #7c3aed);
  --gradient-text: linear-gradient(90deg, #00d4ff 0%, #a78bfa 100%);

  /* Layout */
  --max-w: 1180px;
  --nav-h: 72px;
  --radius: 12px;
  --radius-lg: 20px;

  /* Shadows */
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.4);
  --shadow: 0 4px 24px rgba(0,0,0,0.5);
  --shadow-lg: 0 16px 64px rgba(0,0,0,0.6);
  --glow: 0 0 40px rgba(0,212,255,0.15);

  /* Transitions */
  --ease: cubic-bezier(0.4, 0, 0.2, 1);
  --spring: cubic-bezier(0.34, 1.56, 0.64, 1);
}

[data-theme="light"] {
  --bg: #f5f7fa;
  --bg-2: #eef1f5;
  --bg-3: #e4e8ef;
  --bg-card: #ffffff;
  --border: rgba(0,0,0,0.08);
  --border-hover: rgba(0,0,0,0.16);
  --text: #0f1623;
  --text-2: #4a5568;
  --text-3: #8a9bb0;
  --accent-glow: rgba(0,180,210,0.1);
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.08);
  --shadow: 0 4px 24px rgba(0,0,0,0.1);
  --shadow-lg: 0 16px 64px rgba(0,0,0,0.15);
}

/* ── 2. Reset & Base ─────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: 'DM Sans', system-ui, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.7;
  overflow-x: hidden;
  transition: background 0.3s var(--ease), color 0.3s var(--ease);
}

body.loading { overflow: hidden; }

img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
button { cursor: pointer; border: none; background: none; font-family: inherit; }
input, textarea { font-family: inherit; }

/* ── 3. Loader ───────────────────────────────── */
#loader {
  position: fixed; inset: 0; z-index: 9999;
  background: var(--bg);
  display: flex; align-items: center; justify-content: center;
  transition: opacity 0.5s var(--ease), visibility 0.5s var(--ease);
}
#loader.hidden { opacity: 0; visibility: hidden; pointer-events: none; }

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

.loader-logo {
  font-family: 'Syne', sans-serif;
  font-size: 3rem; font-weight: 800;
  background: var(--gradient-text);
  -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent;
  margin-bottom: 1.5rem;
  animation: pulse 1s ease infinite alternate;
}

.loader-bar {
  width: 200px; height: 2px;
  background: var(--bg-3);
  border-radius: 2px; overflow: hidden;
}
.loader-bar span {
  display: block; height: 100%;
  background: var(--gradient);
  border-radius: 2px;
  animation: loadBar 1.8s var(--ease) forwards;
}
@keyframes loadBar { from { width: 0 } to { width: 100% } }
@keyframes pulse { from { opacity: 0.5 } to { opacity: 1 } }

/* ── 4. Custom Cursor ────────────────────────── */
.cursor {
  position: fixed; width: 10px; height: 10px;
  background: var(--accent);
  border-radius: 50%; pointer-events: none;
  z-index: 9998; transform: translate(-50%, -50%);
  transition: width 0.2s, height 0.2s, opacity 0.2s;
  mix-blend-mode: normal;
}
.cursor-follower {
  position: fixed; width: 36px; height: 36px;
  border: 1.5px solid rgba(0,212,255,0.4);
  border-radius: 50%; pointer-events: none;
  z-index: 9997; transform: translate(-50%, -50%);
  transition: transform 0.15s var(--ease), width 0.3s, height 0.3s, border-color 0.3s;
}
.cursor.hover { width: 6px; height: 6px; }
.cursor-follower.hover { width: 50px; height: 50px; border-color: var(--accent); }
@media (pointer: coarse) { .cursor, .cursor-follower { display: none; } }

/* ── 5. Navigation ───────────────────────────── */
#navbar {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  height: var(--nav-h);
  display: flex; align-items: center;
  transition: background 0.3s var(--ease), backdrop-filter 0.3s, box-shadow 0.3s;
}
#navbar.scrolled {
  background: rgba(8,12,16,0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  box-shadow: 0 1px 0 var(--border);
}
[data-theme="light"] #navbar.scrolled {
  background: rgba(245,247,250,0.85);
}

.nav-container {
  width: 100%; max-width: var(--max-w);
  margin: 0 auto; padding: 0 2rem;
  display: flex; align-items: center; gap: 2rem;
}

.nav-logo {
  font-family: 'Syne', sans-serif;
  font-size: 1.25rem; font-weight: 800;
  letter-spacing: -0.02em;
  background: var(--gradient-text);
  -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent;
  flex-shrink: 0;
}
.logo-bracket { opacity: 0.6; }

.nav-links {
  display: flex; align-items: center;
  gap: 0.25rem; margin-left: auto;
}
.nav-link {
  font-size: 0.875rem; font-weight: 500;
  color: var(--text-2);
  padding: 0.4rem 0.75rem;
  border-radius: 6px;
  transition: color 0.2s, background 0.2s;
  position: relative;
}
.nav-link::after {
  content: ''; position: absolute; bottom: -2px; left: 50%; right: 50%;
  height: 1.5px; background: var(--accent);
  transition: left 0.2s var(--ease), right 0.2s var(--ease);
}
.nav-link:hover, .nav-link.active { color: var(--text); }
.nav-link.active::after { left: 0.75rem; right: 0.75rem; }

.nav-actions { display: flex; align-items: center; gap: 0.75rem; margin-left: 1rem; }

.theme-toggle {
  width: 36px; height: 36px;
  border-radius: 8px;
  border: 1px solid var(--border);
  color: var(--text-2);
  font-size: 1rem;
  display: flex; align-items: center; justify-content: center;
  transition: all 0.2s;
}
.theme-toggle:hover { border-color: var(--border-hover); color: var(--text); background: var(--bg-3); }

.nav-cta {
  font-size: 0.875rem; font-weight: 600;
  padding: 0.45rem 1.1rem;
  background: var(--gradient);
  color: #fff; border-radius: 8px;
  transition: opacity 0.2s, transform 0.2s;
}
.nav-cta:hover { opacity: 0.9; transform: translateY(-1px); }

.hamburger {
  display: none; flex-direction: column;
  gap: 5px; width: 24px; padding: 2px 0;
}
.hamburger span {
  display: block; height: 1.5px;
  background: var(--text); border-radius: 2px;
  transition: transform 0.3s var(--ease), opacity 0.3s;
}
.hamburger.open span:nth-child(1) { transform: rotate(45deg) translate(4px, 4px); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: rotate(-45deg) translate(4px, -4px); }

/* ── 6. Shared Layout ────────────────────────── */
.container { max-width: var(--max-w); margin: 0 auto; padding: 0 2rem; }

.section { padding: 6rem 0; }

.section-header { text-align: center; margin-bottom: 4rem; }

.section-label {
  display: inline-block;
  font-family: 'DM Mono', monospace;
  font-size: 0.75rem; font-weight: 400;
  letter-spacing: 0.15em; text-transform: uppercase;
  color: var(--accent); margin-bottom: 1rem;
}

.section-title {
  font-family: 'Syne', sans-serif;
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 800; line-height: 1.15;
  letter-spacing: -0.03em; color: var(--text);
  margin-bottom: 0.5rem;
}

.section-desc {
  font-size: 1.0625rem; color: var(--text-2);
  max-width: 520px; margin: 1rem auto 0;
}

.gradient-text {
  background: var(--gradient-text);
  -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent;
}

/* ── 7. Buttons ──────────────────────────────── */
.btn {
  display: inline-flex; align-items: center; gap: 0.5rem;
  font-size: 0.9375rem; font-weight: 600;
  padding: 0.75rem 1.75rem;
  border-radius: var(--radius);
  transition: all 0.25s var(--ease);
  white-space: nowrap; cursor: pointer;
}
.btn-primary {
  background: var(--gradient);
  color: #fff;
  box-shadow: 0 0 0 0 rgba(0,212,255,0);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(0,212,255,0.25);
}
.btn-outline {
  background: transparent;
  color: var(--text);
  border: 1.5px solid var(--border);
}
.btn-outline:hover { border-color: var(--accent); color: var(--accent); transform: translateY(-2px); }
.btn-ghost {
  background: var(--bg-3);
  color: var(--text-2);
  border: 1px solid var(--border);
}
.btn-ghost:hover { background: var(--bg-card); color: var(--text); }
.btn-full { width: 100%; justify-content: center; }

/* ── 8. Hero ─────────────────────────────────── */
.hero {
  min-height: 100svh; padding-top: var(--nav-h);
  display: grid; grid-template-columns: 1fr 1fr;
  align-items: center; gap: 4rem;
  max-width: var(--max-w); margin: 0 auto;
  padding-left: 2rem; padding-right: 2rem;
  position: relative;
}

.hero-bg {
  position: fixed; inset: 0; z-index: -1; overflow: hidden;
  pointer-events: none;
}
.grid-overlay {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(var(--border) 1px, transparent 1px),
    linear-gradient(90deg, var(--border) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse 80% 80% at 50% 50%, black 30%, transparent 100%);
  opacity: 0.4;
}
.orb {
  position: absolute; border-radius: 50%;
  filter: blur(80px); opacity: 0.12;
  animation: drift 20s ease-in-out infinite;
}
.orb-1 { width: 600px; height: 600px; background: #00d4ff; top: -200px; right: -100px; }
.orb-2 { width: 400px; height: 400px; background: #7c3aed; bottom: -100px; left: -100px; animation-delay: -7s; }
.orb-3 { width: 300px; height: 300px; background: #00d4ff; top: 40%; left: 30%; animation-delay: -14s; opacity: 0.06; }
@keyframes drift {
  0%, 100% { transform: translate(0, 0) scale(1); }
  33% { transform: translate(30px, -30px) scale(1.05); }
  66% { transform: translate(-20px, 20px) scale(0.95); }
}

.hero-badge {
  display: inline-flex; align-items: center; gap: 0.5rem;
  background: rgba(0,212,255,0.08);
  border: 1px solid rgba(0,212,255,0.2);
  color: var(--accent);
  font-family: 'DM Mono', monospace;
  font-size: 0.75rem; letter-spacing: 0.05em;
  padding: 0.35rem 0.85rem;
  border-radius: 100px; margin-bottom: 1.5rem;
}
.badge-dot {
  width: 7px; height: 7px; border-radius: 50%;
  background: var(--accent);
  animation: blink 2s ease infinite;
}
@keyframes blink { 0%,100%{opacity:1;box-shadow:0 0 6px var(--accent)} 50%{opacity:0.4;box-shadow:none} }

.hero-title {
  font-family: 'Syne', sans-serif;
  font-size: clamp(2.75rem, 5vw, 4.5rem);
  font-weight: 800; line-height: 1.1;
  letter-spacing: -0.04em;
  margin-bottom: 0.75rem;
}

.hero-subtitle {
  font-family: 'Syne', sans-serif;
  font-size: clamp(1.25rem, 2.5vw, 1.875rem);
  font-weight: 600; color: var(--text-2);
  margin-bottom: 1.5rem; letter-spacing: -0.02em;
  min-height: 2.5rem;
}

.typed-text { color: var(--accent); }
.typed-cursor { color: var(--accent); animation: blink-cursor 0.8s ease infinite; }
@keyframes blink-cursor { 0%,100%{opacity:1} 50%{opacity:0} }

.hero-bio {
  font-size: 1.0625rem; color: var(--text-2);
  max-width: 480px; margin-bottom: 2.5rem; line-height: 1.8;
}

.hero-actions { display: flex; gap: 1rem; margin-bottom: 2.5rem; flex-wrap: wrap; }

.hero-social { display: flex; gap: 0.75rem; }

/* ── Code Card ── */
.hero-visual { position: relative; }
.code-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  animation: float 6s ease-in-out infinite;
}
@keyframes float { 0%,100%{transform:translateY(0)} 50%{transform:translateY(-12px)} }

.code-card-header {
  display: flex; align-items: center; gap: 6px;
  padding: 1rem 1.25rem;
  background: var(--bg-3);
  border-bottom: 1px solid var(--border);
}
.dot { width: 12px; height: 12px; border-radius: 50%; }
.dot.red { background: #ff5f57; }
.dot.yellow { background: #febc2e; }
.dot.green { background: #28c840; }
.code-card-title {
  font-family: 'DM Mono', monospace;
  font-size: 0.8rem; color: var(--text-3);
  margin-left: 0.5rem;
}

.code-card-body {
  padding: 1.5rem 1.75rem;
  font-family: 'DM Mono', monospace;
  font-size: 0.875rem; line-height: 1.8;
  overflow-x: auto;
}
.c-keyword { color: #f47067; }
.c-var { color: #dcbdfb; }
.c-op { color: var(--text-2); }
.c-prop { color: #6cb6ff; }
.c-str { color: #96d0ff; }
.c-bool { color: #f47067; }

.scroll-indicator {
  position: absolute; bottom: 2.5rem; left: 50%; transform: translateX(-50%);
  display: flex; flex-direction: column; align-items: center; gap: 0.5rem;
  color: var(--text-3);
  font-family: 'DM Mono', monospace; font-size: 0.7rem; letter-spacing: 0.15em;
  text-transform: uppercase;
  animation: scrollBob 2s ease infinite;
}
.scroll-line {
  width: 1px; height: 40px; background: linear-gradient(var(--accent), transparent);
}
@keyframes scrollBob { 0%,100%{transform:translateX(-50%) translateY(0)} 50%{transform:translateX(-50%) translateY(8px)} }

/* ── 9. About ────────────────────────────────── */
.about { background: var(--bg-2); }

.about-grid {
  display: grid; grid-template-columns: 1fr 1.4fr;
  gap: 5rem; align-items: center;
}

.about-img-wrap { position: relative; display: inline-block; }

.about-img {
  width: 340px; height: 380px;
  object-fit: cover; object-position: top center;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  display: block;
  box-shadow: var(--shadow-lg);
}

.about-img-placeholder {
  width: 340px; height: 380px;
  background: var(--bg-3);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  display: flex; align-items: center; justify-content: center;
  font-family: 'Syne', sans-serif;
  font-size: 6rem; font-weight: 800;
  background: linear-gradient(135deg, var(--bg-3) 0%, var(--bg-card) 100%);
  background-image: var(--gradient);
  -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent;
  overflow: hidden; position: relative;
}
.about-img-placeholder::before {
  content: ''; position: absolute; inset: 0;
  background: var(--bg-3); z-index: -1;
}

.about-badge-float {
  position: absolute; bottom: -1.5rem; right: -1.5rem;
  background: var(--gradient);
  border-radius: var(--radius);
  padding: 1rem 1.25rem;
  display: flex; align-items: center; gap: 0.75rem;
  box-shadow: var(--shadow-lg);
}
.about-badge-num { font-family: 'Syne', sans-serif; font-size: 1.75rem; font-weight: 800; color: #fff; }
.about-badge-text { font-size: 0.8rem; color: rgba(255,255,255,0.85); line-height: 1.3; }

.about-greeting {
  font-family: 'Syne', sans-serif;
  font-size: 1.5rem; font-weight: 700;
  color: var(--text); margin-bottom: 1rem;
}
.about-text {
  font-size: 1.0625rem; color: var(--text-2);
  line-height: 1.8; margin-bottom: 1.25rem;
}
.about-text strong { color: var(--text); font-weight: 600; }

.about-stats {
  display: flex; gap: 2.5rem;
  padding: 1.5rem 0;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  margin: 2rem 0;
}
.stat-item { display: flex; flex-direction: column; align-items: flex-start; }
.stat-num {
  font-family: 'Syne', sans-serif; font-size: 2.25rem; font-weight: 800;
  background: var(--gradient-text);
  -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent;
  line-height: 1;
}
.stat-symbol { font-size: 1.5rem; color: var(--accent); font-weight: 700; display: inline; }
.stat-label { font-size: 0.875rem; color: var(--text-3); margin-top: 0.25rem; }

.about-actions { display: flex; gap: 1rem; flex-wrap: wrap; }

/* ── 10. Skills ──────────────────────────────── */
.skills-layout {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 4rem; align-items: start;
}

.skill-group-title {
  font-family: 'Syne', sans-serif;
  font-size: 1.1rem; font-weight: 700;
  color: var(--text); margin-bottom: 2rem;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid var(--border);
}

.skill-bars { display: flex; flex-direction: column; gap: 1.5rem; }
.skill-bar-header {
  display: flex; justify-content: space-between;
  font-size: 0.9rem; color: var(--text-2);
  margin-bottom: 0.5rem;
}
.skill-name { font-weight: 500; color: var(--text); }
.skill-percent {
  font-family: 'DM Mono', monospace;
  font-size: 0.8rem; color: var(--accent);
}
.skill-track {
  height: 4px; background: var(--bg-3);
  border-radius: 4px; overflow: hidden;
}
.skill-fill {
  height: 100%; width: 0;
  background: var(--gradient);
  border-radius: 4px;
  transition: width 1.2s var(--ease);
}
.skill-bar-item.animated .skill-fill { width: var(--w); }

.tag-cloud { display: flex; flex-wrap: wrap; gap: 0.6rem; }
.tech-tag {
  font-family: 'DM Mono', monospace;
  font-size: 0.8rem;
  padding: 0.4rem 0.9rem;
  background: var(--bg-3);
  border: 1px solid var(--border);
  border-radius: 100px;
  color: var(--text-2);
  transition: all 0.2s;
  cursor: default;
}
.tech-tag.active, .tech-tag:hover {
  background: var(--accent-glow);
  border-color: rgba(0,212,255,0.3);
  color: var(--accent);
}

/* ── 11. Projects ────────────────────────────── */
.projects { background: var(--bg-2); }

.projects-grid {
  display: grid; grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem; margin-bottom: 3rem;
}

.project-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: transform 0.3s var(--ease), box-shadow 0.3s, border-color 0.3s;
}
.project-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg), var(--glow);
  border-color: rgba(0,212,255,0.2);
}

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

.project-thumb-visual {
  width: 100%; height: 100%;
  display: flex; align-items: center; justify-content: center;
  transition: transform 0.4s var(--ease);
}
.project-card:hover .project-thumb-visual { transform: scale(1.05); }

.p1 { background: linear-gradient(135deg, #0d1b2a, #1a3a5c); }
.p2 { background: linear-gradient(135deg, #1a0d2a, #3a1a5c); }
.p3 { background: linear-gradient(135deg, #0d2a1a, #1a5c3a); }

.thumb-grid {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 8px; padding: 1rem;
}
.thumb-grid div {
  height: 60px; border-radius: 8px;
  background: rgba(255,255,255,0.1);
}
.thumb-grid div:first-child { background: rgba(0,212,255,0.3); }

.thumb-lines { display: flex; flex-direction: column; gap: 12px; padding: 1.5rem; width: 100%; }
.thumb-lines div { height: 4px; border-radius: 4px; background: rgba(255,255,255,0.15); }
.thumb-lines div:first-child { width: 70%; background: rgba(124,58,237,0.5); }
.thumb-lines div:nth-child(2) { width: 90%; }
.thumb-lines div:last-child { width: 50%; }

.thumb-chart {
  display: flex; align-items: flex-end;
  gap: 8px; padding: 1rem; height: 120px;
}
.thumb-chart div {
  flex: 1; background: rgba(0,212,255,0.3);
  border-radius: 4px 4px 0 0;
  transition: background 0.3s;
}
.thumb-chart div:nth-child(4) { background: rgba(0,212,255,0.6); }

.project-overlay {
  position: absolute; inset: 0;
  background: rgba(8,12,16,0.85);
  display: flex; align-items: center; justify-content: center; gap: 0.75rem;
  opacity: 0;
  transition: opacity 0.3s var(--ease);
  backdrop-filter: blur(4px);
}
.project-card:hover .project-overlay { opacity: 1; }

.project-link-btn {
  font-size: 0.8125rem; font-weight: 600;
  padding: 0.5rem 1rem;
  background: var(--gradient);
  color: #fff; border-radius: 8px;
  transition: transform 0.2s;
}
.project-link-btn:hover { transform: scale(1.05); }
.project-link-btn.outline {
  background: transparent;
  border: 1.5px solid var(--border-hover);
  color: var(--text);
}

.project-info { padding: 1.5rem; }
.project-tags { display: flex; gap: 0.5rem; margin-bottom: 0.75rem; flex-wrap: wrap; }
.project-tag {
  font-family: 'DM Mono', monospace;
  font-size: 0.7rem; color: var(--accent);
  background: rgba(0,212,255,0.08);
  border: 1px solid rgba(0,212,255,0.15);
  padding: 0.2rem 0.6rem; border-radius: 4px;
}
.project-title {
  font-family: 'Syne', sans-serif;
  font-size: 1.125rem; font-weight: 700;
  color: var(--text); margin-bottom: 0.5rem;
}
.project-desc { font-size: 0.9rem; color: var(--text-2); line-height: 1.6; margin-bottom: 1rem; }
.project-link {
  display: inline-flex; align-items: center; gap: 0.4rem;
  font-size: 0.875rem; font-weight: 600; color: var(--accent);
  transition: gap 0.2s;
}
.project-link:hover { gap: 0.6rem; }

.projects-footer { text-align: center; }

/* ── 12. Services ────────────────────────────── */
.services-grid {
  display: grid; grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.service-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 2rem;
  transition: all 0.3s var(--ease);
  position: relative; overflow: hidden;
}
.service-card::before {
  content: ''; position: absolute;
  inset: 0; opacity: 0;
  background: linear-gradient(135deg, rgba(0,212,255,0.04) 0%, rgba(124,58,237,0.04) 100%);
  transition: opacity 0.3s;
}
.service-card:hover { transform: translateY(-4px); border-color: rgba(0,212,255,0.2); box-shadow: var(--shadow-lg); }
.service-card:hover::before { opacity: 1; }

.service-card.featured {
  border-color: rgba(0,212,255,0.3);
  background: linear-gradient(135deg, var(--bg-card) 0%, rgba(0,212,255,0.04) 100%);
}

.service-badge {
  position: absolute; top: 1rem; right: 1rem;
  font-family: 'DM Mono', monospace;
  font-size: 0.7rem; font-weight: 400;
  letter-spacing: 0.08em; text-transform: uppercase;
  padding: 0.25rem 0.6rem; border-radius: 100px;
  background: var(--gradient); color: #fff;
}

.service-icon {
  width: 48px; height: 48px; margin-bottom: 1.25rem;
  color: var(--accent);
}
.service-icon svg { width: 100%; height: 100%; }

.service-title {
  font-family: 'Syne', sans-serif;
  font-size: 1.125rem; font-weight: 700;
  color: var(--text); margin-bottom: 0.75rem;
}
.service-desc { font-size: 0.9rem; color: var(--text-2); line-height: 1.7; margin-bottom: 1.5rem; }
.service-footer { margin-top: auto; }
.service-link {
  font-size: 0.875rem; font-weight: 600;
  color: var(--accent); transition: letter-spacing 0.2s;
}
.service-link:hover { letter-spacing: 0.02em; }

/* ── 13. Contact ─────────────────────────────── */
.contact { background: var(--bg-2); }

.contact-layout {
  display: grid; grid-template-columns: 1fr 1.5fr;
  gap: 5rem; align-items: start;
}

.contact-item {
  display: flex; align-items: flex-start; gap: 1rem;
  margin-bottom: 1.75rem;
}
.contact-item-icon {
  width: 42px; height: 42px; flex-shrink: 0;
  background: var(--bg-3);
  border: 1px solid var(--border);
  border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  color: var(--accent);
}
.contact-item-icon svg { width: 18px; height: 18px; }
.contact-item-label {
  display: block; font-size: 0.75rem;
  font-family: 'DM Mono', monospace; letter-spacing: 0.08em;
  text-transform: uppercase; color: var(--text-3);
  margin-bottom: 0.2rem;
}
.contact-item-value {
  font-size: 0.9375rem; font-weight: 500; color: var(--text);
  transition: color 0.2s;
}
a.contact-item-value:hover { color: var(--accent); }

.contact-social { display: flex; gap: 0.75rem; margin-top: 2rem; }

.contact-form-wrap {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 2rem 2.25rem;
}

.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }

.form-group { display: flex; flex-direction: column; gap: 0.4rem; margin-bottom: 1.1rem; }

.form-label {
  font-size: 0.8125rem; font-weight: 500;
  color: var(--text-2); letter-spacing: 0.02em;
}
.form-input {
  background: var(--bg-3);
  border: 1.5px solid var(--border);
  border-radius: 10px;
  padding: 0.75rem 1rem;
  font-size: 0.9375rem; color: var(--text);
  transition: border-color 0.2s, box-shadow 0.2s;
  outline: none; width: 100%;
  -webkit-appearance: none;
}
.form-input::placeholder { color: var(--text-3); }
.form-input:focus {
  border-color: rgba(0,212,255,0.4);
  box-shadow: 0 0 0 3px rgba(0,212,255,0.08);
}
.form-textarea { resize: vertical; min-height: 130px; }

.form-success {
  margin-top: 1rem; padding: 0.85rem 1rem;
  background: rgba(0,200,100,0.1);
  border: 1px solid rgba(0,200,100,0.25);
  border-radius: 8px;
  color: #00c864; font-size: 0.9rem; text-align: center;
}

/* ── 14. Social Links ────────────────────────── */
.social-link {
  width: 40px; height: 40px;
  background: var(--bg-3);
  border: 1px solid var(--border);
  border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  color: var(--text-2);
  transition: all 0.2s;
}
.social-link svg { width: 18px; height: 18px; }
.social-link:hover {
  background: var(--accent-glow);
  border-color: rgba(0,212,255,0.3);
  color: var(--accent);
  transform: translateY(-2px);
}

/* ── 15. Footer ──────────────────────────────── */
.footer {
  border-top: 1px solid var(--border);
  padding: 3rem 0 2rem;
  background: var(--bg);
}
.footer-inner {
  display: flex; align-items: center;
  justify-content: space-between; gap: 2rem;
  flex-wrap: wrap; margin-bottom: 2rem;
}
.footer-tagline { font-size: 0.875rem; color: var(--text-3); margin-top: 0.3rem; }

.footer-links { display: flex; gap: 1.5rem; flex-wrap: wrap; }
.footer-links a {
  font-size: 0.875rem; color: var(--text-2);
  transition: color 0.2s;
}
.footer-links a:hover { color: var(--accent); }

.footer-social { display: flex; gap: 0.5rem; }

.footer-bottom {
  padding-top: 1.5rem;
  border-top: 1px solid var(--border);
  display: flex; justify-content: space-between;
  font-size: 0.8125rem; color: var(--text-3);
  flex-wrap: wrap; gap: 0.5rem;
}

/* ── 16. Back to Top ─────────────────────────── */
.back-to-top {
  position: fixed; bottom: 2rem; right: 2rem; z-index: 50;
  width: 44px; height: 44px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  display: flex; align-items: center; justify-content: center;
  color: var(--text-2);
  opacity: 0; transform: translateY(10px);
  transition: all 0.3s var(--ease);
  box-shadow: var(--shadow);
  pointer-events: none;
}
.back-to-top.visible {
  opacity: 1; transform: translateY(0);
  pointer-events: auto;
}
.back-to-top:hover {
  background: var(--accent); color: #fff;
  border-color: var(--accent);
  transform: translateY(-2px);
}

/* ── 17. Scroll Animations ───────────────────── */
.reveal-up, .reveal-left, .reveal-right {
  opacity: 0;
  transition: opacity 0.7s var(--ease), transform 0.7s var(--ease);
}
.reveal-up { transform: translateY(36px); }
.reveal-left { transform: translateX(-36px); }
.reveal-right { transform: translateX(36px); }

.reveal-up.visible, .reveal-left.visible, .reveal-right.visible {
  opacity: 1; transform: translate(0);
}

.reveal-up:nth-child(2) { transition-delay: 0.1s; }
.reveal-up:nth-child(3) { transition-delay: 0.2s; }
.reveal-up:nth-child(4) { transition-delay: 0.3s; }

.hero-content .reveal-up:nth-child(1) { transition-delay: 0.1s; }
.hero-content .reveal-up:nth-child(2) { transition-delay: 0.2s; }
.hero-content .reveal-up:nth-child(3) { transition-delay: 0.3s; }
.hero-content .reveal-up:nth-child(4) { transition-delay: 0.4s; }
.hero-content .reveal-up:nth-child(5) { transition-delay: 0.5s; }
.hero-content .reveal-up:nth-child(6) { transition-delay: 0.6s; }

.projects-grid .project-card:nth-child(1) { transition-delay: 0s; }
.projects-grid .project-card:nth-child(2) { transition-delay: 0.1s; }
.projects-grid .project-card:nth-child(3) { transition-delay: 0.2s; }

.services-grid .service-card:nth-child(1) { transition-delay: 0s; }
.services-grid .service-card:nth-child(2) { transition-delay: 0.08s; }
.services-grid .service-card:nth-child(3) { transition-delay: 0.16s; }
.services-grid .service-card:nth-child(4) { transition-delay: 0.04s; }
.services-grid .service-card:nth-child(5) { transition-delay: 0.12s; }
.services-grid .service-card:nth-child(6) { transition-delay: 0.2s; }

/* ── 18. Mobile Nav ──────────────────────────── */
@media (max-width: 768px) {
  .hamburger { display: flex; }
  .nav-links {
    position: fixed; top: var(--nav-h); left: 0; right: 0;
    background: var(--bg);
    border-bottom: 1px solid var(--border);
    flex-direction: column; align-items: stretch;
    padding: 1rem;
    transform: translateY(-10px); opacity: 0;
    pointer-events: none;
    transition: transform 0.3s var(--ease), opacity 0.3s;
  }
  .nav-links.open { transform: translateY(0); opacity: 1; pointer-events: auto; }
  .nav-link { padding: 0.85rem 1rem; border-radius: 8px; }
  .nav-cta { display: none; }
}

/* ── 19. Responsive Layouts ──────────────────── */
@media (max-width: 1024px) {
  .hero { grid-template-columns: 1fr; padding-top: calc(var(--nav-h) + 2rem); }
  .hero-visual { display: none; }
  .about-grid { grid-template-columns: 1fr; gap: 3rem; }
  .about-img-placeholder { width: 100%; max-width: 340px; }
  .skills-layout { grid-template-columns: 1fr; gap: 3rem; }
  .projects-grid { grid-template-columns: repeat(2, 1fr); }
  .services-grid { grid-template-columns: repeat(2, 1fr); }
  .contact-layout { grid-template-columns: 1fr; gap: 3rem; }
}

@media (max-width: 600px) {
  .section { padding: 4rem 0; }
  .projects-grid { grid-template-columns: 1fr; }
  .services-grid { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .about-stats { gap: 1.5rem; }
  .hero-actions { flex-direction: column; width: 100%; }
  .hero-actions .btn { width: 100%; justify-content: center; }
  .footer-inner { flex-direction: column; align-items: flex-start; }
  .scroll-indicator { display: none; }
}

/* ── 20. Focus & Accessibility ───────────────── */
:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: 4px;
}
.skip-link {
  position: absolute; top: -40px; left: 0;
  background: var(--accent); color: #fff;
  padding: 0.5rem 1rem;
  transition: top 0.3s;
}
.skip-link:focus { top: 0; }

/* ── 21. Print ───────────────────────────────── */
@media print {
  #loader, .cursor, .cursor-follower, #navbar,
  .hero-bg, .back-to-top { display: none; }
  body { background: #fff; color: #000; }
  .section { padding: 2rem 0; break-inside: avoid; }
}