/* ============================================================
   STYLE.CSS — Ömer Kahraman Portföy Sitesi
   Tema: Dijital Uzay İstasyonu
   ============================================================ */

/* ── Google Fonts ─────────────────────────────────────────── */
@import url('https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@300;400;500;600;700&family=JetBrains+Mono:wght@400;500;700&family=Orbitron:wght@400;600;700;900&display=swap');

/* ── CSS Variables (Dark Mode — Default) ───────────────────── */
:root {
  --bg-primary:    #050812;
  --bg-secondary:  #0a0e1a;
  --bg-card:       #0d1224;
  --bg-card-hover: #121830;

  --accent-purple:  #7c3aed;
  --accent-blue:    #00d4ff;
  --accent-green:   #00ff88;
  --accent-pink:    #ff006e;
  --accent-orange:  #ff6b35;

  --text-primary:   #f0f4ff;
  --text-secondary: #8892b0;
  --text-muted:     #4a5568;

  --border-color:   rgba(124, 58, 237, 0.25);
  --border-glow:    rgba(0, 212, 255, 0.4);
  --glow-purple:    rgba(124, 58, 237, 0.3);
  --glow-blue:      rgba(0, 212, 255, 0.3);

  --font-main:  'Space Grotesk', sans-serif;
  --font-mono:  'JetBrains Mono', monospace;
  --font-hud:   'Orbitron', sans-serif;

  --radius-sm:  6px;
  --radius-md:  12px;
  --radius-lg:  20px;
  --radius-xl:  32px;

  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: all 0.6s cubic-bezier(0.4, 0, 0.2, 1);

  --shadow-card:  0 8px 32px rgba(0, 0, 0, 0.5);
  --shadow-glow:  0 0 30px rgba(124, 58, 237, 0.4);
  --shadow-blue:  0 0 30px rgba(0, 212, 255, 0.3);
}

/* ── Light Mode Overrides ──────────────────────────────────── */
[data-theme="light"] {
  --bg-primary:    #f0f4ff;
  --bg-secondary:  #e8edf8;
  --bg-card:       #ffffff;
  --bg-card-hover: #f4f7ff;

  --accent-purple:  #6d28d9;
  --accent-blue:    #0284c7;
  --accent-green:   #059669;
  --accent-pink:    #db2777;
  --accent-orange:  #ea580c;

  --text-primary:   #0f172a;
  --text-secondary: #475569;
  --text-muted:     #94a3b8;

  --border-color:   rgba(109, 40, 217, 0.18);
  --border-glow:    rgba(2, 132, 199, 0.3);
  --glow-purple:    rgba(109, 40, 217, 0.15);
  --glow-blue:      rgba(2, 132, 199, 0.15);

  --shadow-card:  0 8px 32px rgba(0, 0, 0, 0.08);
  --shadow-glow:  0 0 30px rgba(109, 40, 217, 0.2);
  --shadow-blue:  0 0 30px rgba(2, 132, 199, 0.15);
}

/* Light mode specific overrides */
[data-theme="light"] body { cursor: auto; }
[data-theme="light"] .cursor-dot,
[data-theme="light"] .cursor-ring { display: none; }

[data-theme="light"] #three-canvas { opacity: 0.25; }

[data-theme="light"] .hud-overlay { opacity: 0.35; }

[data-theme="light"] section:not(#hero) {
  background: transparent;
}

[data-theme="light"] .about-avatar {
  box-shadow: 0 0 40px rgba(109, 40, 217, 0.2), 0 0 80px rgba(2, 132, 199, 0.08);
}

[data-theme="light"] .project-card,
[data-theme="light"] .service-card,
[data-theme="light"] .tech-item,
[data-theme="light"] .about-info-card,
[data-theme="light"] .contact-item {
  box-shadow: 0 4px 20px rgba(0,0,0,0.06);
}

[data-theme="light"] .contact-form {
  background: rgba(255,255,255,0.9);
  box-shadow: 0 8px 40px rgba(0,0,0,0.08);
}

[data-theme="light"] .form-group input,
[data-theme="light"] .form-group textarea,
[data-theme="light"] .form-group select {
  background: #f8faff;
  color: var(--text-primary);
}

[data-theme="light"] footer {
  background: rgba(240, 244, 255, 0.97);
}

[data-theme="light"] #navbar.scrolled {
  background: rgba(240, 244, 255, 0.95);
  box-shadow: 0 4px 30px rgba(0,0,0,0.08);
}

[data-theme="light"] .skill-track {
  background: rgba(0, 0, 0, 0.06);
}

[data-theme="light"] .loader {
  background: var(--bg-primary);
}


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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 80px;
}

body {
  font-family: var(--font-main);
  background-color: var(--bg-primary);
  color: var(--text-primary);
  overflow-x: hidden;
  cursor: none;
  line-height: 1.6;
}

/* ── Custom Cursor ────────────────────────────────────────── */
.cursor-dot {
  position: fixed;
  top: 0; left: 0;
  width: 8px; height: 8px;
  background: var(--accent-blue);
  border-radius: 50%;
  pointer-events: none;
  z-index: 99999;
  transform: translate(-50%, -50%);
  transition: transform 0.05s ease, width 0.2s, height 0.2s;
  mix-blend-mode: screen;
}

.cursor-ring {
  position: fixed;
  top: 0; left: 0;
  width: 36px; height: 36px;
  border: 2px solid rgba(0, 212, 255, 0.6);
  border-radius: 50%;
  pointer-events: none;
  z-index: 99998;
  transform: translate(-50%, -50%);
  transition: transform 0.12s ease, width 0.2s, height 0.2s, border-color 0.2s;
}

.cursor-ring.hovering {
  width: 56px; height: 56px;
  border-color: var(--accent-purple);
  background: rgba(124, 58, 237, 0.08);
}

/* ── Scrollbar ────────────────────────────────────────────── */
::-webkit-scrollbar { width: 4px; }
::-webkit-scrollbar-track { background: var(--bg-primary); }
::-webkit-scrollbar-thumb { background: var(--accent-purple); border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: var(--accent-blue); }

/* ── HUD Overlay ──────────────────────────────────────────── */
.hud-overlay {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 10;
}

.hud-corner {
  position: absolute;
  width: 60px; height: 60px;
  border-color: rgba(0, 212, 255, 0.3);
  border-style: solid;
}

.hud-corner--tl { top: 20px; left: 20px; border-width: 2px 0 0 2px; }
.hud-corner--tr { top: 20px; right: 20px; border-width: 2px 2px 0 0; }
.hud-corner--bl { bottom: 20px; left: 20px; border-width: 0 0 2px 2px; }
.hud-corner--br { bottom: 20px; right: 20px; border-width: 0 2px 2px 0; }

.hud-coord {
  position: absolute;
  font-family: var(--font-hud);
  font-size: 9px;
  color: rgba(0, 212, 255, 0.5);
  letter-spacing: 1px;
}

.hud-coord--tl { top: 28px; left: 90px; }
.hud-coord--tr { top: 28px; right: 90px; text-align: right; }
.hud-coord--bl { bottom: 28px; left: 90px; }

.hud-status {
  position: absolute;
  top: 28px; right: 50%;
  transform: translateX(50%);
  font-family: var(--font-hud);
  font-size: 9px;
  color: rgba(0, 255, 136, 0.7);
  letter-spacing: 2px;
  display: flex; align-items: center; gap: 6px;
}

.hud-blink {
  width: 6px; height: 6px;
  background: var(--accent-green);
  border-radius: 50%;
  animation: blink 1.5s infinite;
}

.hud-scanline {
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, rgba(0, 212, 255, 0.15), transparent);
  animation: scanline 8s linear infinite;
}

@keyframes scanline {
  0% { top: 0; opacity: 1; }
  95% { opacity: 0.5; }
  100% { top: 100vh; opacity: 0; }
}

@keyframes blink {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.1; }
}

/* ── Three.js Canvas ──────────────────────────────────────── */
#three-canvas {
  position: fixed;
  top: 0; left: 0;
  width: 100%; height: 100%;
  z-index: 0;
  pointer-events: none;
}

/* ── Navigation ───────────────────────────────────────────── */
#navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  padding: 0 2rem;
  height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  transition: var(--transition);
}

#navbar.scrolled {
  background: rgba(5, 8, 18, 0.92);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-color);
  box-shadow: 0 4px 30px rgba(0, 0, 0, 0.5);
}

.nav-logo {
  font-family: var(--font-hud);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text-primary);
  text-decoration: none;
  display: flex; align-items: center; gap: 10px;
}

.nav-logo-icon {
  width: 36px; height: 36px;
  background: linear-gradient(135deg, var(--accent-purple), var(--accent-blue));
  border-radius: 8px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1rem;
  box-shadow: 0 0 20px rgba(124, 58, 237, 0.5);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 2rem;
  list-style: none;
}

.nav-links a {
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-secondary);
  text-decoration: none;
  letter-spacing: 1px;
  text-transform: uppercase;
  position: relative;
  transition: var(--transition);
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -4px; left: 0;
  width: 0; height: 1px;
  background: var(--accent-blue);
  transition: var(--transition);
}

.nav-links a:hover, .nav-links a.active {
  color: var(--accent-blue);
}
.nav-links a:hover::after, .nav-links a.active::after { width: 100%; }

.nav-cta {
  font-family: var(--font-hud);
  font-size: 0.75rem;
  padding: 8px 20px;
  background: linear-gradient(135deg, var(--accent-purple), var(--accent-blue));
  color: white;
  border: none;
  border-radius: var(--radius-sm);
  cursor: none;
  text-decoration: none;
  letter-spacing: 1px;
  transition: var(--transition);
  box-shadow: 0 0 20px rgba(124, 58, 237, 0.3);
}

.nav-cta:hover {
  box-shadow: 0 0 35px rgba(124, 58, 237, 0.6);
  transform: translateY(-1px);
  color: white;
}

/* ── Theme Toggle Button ─────────────────────────────────── */
.theme-toggle {
  position: relative;
  width: 52px;
  height: 28px;
  background: rgba(124, 58, 237, 0.15);
  border: 1px solid rgba(124, 58, 237, 0.4);
  border-radius: 50px;
  cursor: none;
  transition: var(--transition);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0;
  overflow: hidden;
  flex-shrink: 0;
}

.theme-toggle:hover {
  background: rgba(124, 58, 237, 0.25);
  box-shadow: 0 0 20px rgba(124, 58, 237, 0.3);
  border-color: var(--accent-blue);
}

.theme-icon {
  position: absolute;
  font-size: 0.9rem;
  line-height: 1;
  transition: all 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.theme-icon--dark  { transform: translateX(0) scale(1); opacity: 1; }
.theme-icon--light { transform: translateX(30px) scale(0); opacity: 0; }

[data-theme="light"] .theme-icon--dark  { transform: translateX(-30px) scale(0); opacity: 0; }
[data-theme="light"] .theme-icon--light { transform: translateX(0) scale(1); opacity: 1; }

[data-theme="light"] .theme-toggle {
  background: rgba(2, 132, 199, 0.1);
  border-color: rgba(2, 132, 199, 0.4);
}

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

.nav-hamburger span {
  display: block;
  width: 24px; height: 2px;
  background: var(--text-primary);
  border-radius: 2px;
  transition: var(--transition);
}

/* ── Main Content Wrapper ─────────────────────────────────── */
main {
  position: relative;
  z-index: 1;
}

section {
  position: relative;
  padding: 120px 0;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
}

/* ── Section Header ───────────────────────────────────────── */
.section-header {
  text-align: center;
  margin-bottom: 5rem;
}

.section-label {
  font-family: var(--font-hud);
  font-size: 0.7rem;
  letter-spacing: 4px;
  color: var(--accent-blue);
  text-transform: uppercase;
  margin-bottom: 0.75rem;
  display: block;
}

.section-title {
  font-size: clamp(2rem, 5vw, 3rem);
  font-weight: 700;
  background: linear-gradient(135deg, var(--text-primary), var(--accent-blue));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 1rem;
}

.section-line {
  width: 60px; height: 2px;
  background: linear-gradient(90deg, var(--accent-purple), var(--accent-blue));
  margin: 0 auto;
}

/* ── HERO ─────────────────────────────────────────────────── */
#hero {
  height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 0;
  overflow: hidden;
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 900px;
  padding: 0 2rem;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-hud);
  font-size: 0.7rem;
  letter-spacing: 3px;
  color: var(--accent-green);
  border: 1px solid rgba(0, 255, 136, 0.3);
  border-radius: 50px;
  padding: 6px 16px;
  margin-bottom: 2rem;
  background: rgba(0, 255, 136, 0.05);
  animation: pulse-badge 3s infinite;
}

@keyframes pulse-badge {
  0%, 100% { box-shadow: 0 0 0 0 rgba(0, 255, 136, 0.15); }
  50% { box-shadow: 0 0 0 8px rgba(0, 255, 136, 0); }
}

.hero-title {
  font-family: var(--font-hud);
  font-size: clamp(3rem, 8vw, 6rem);
  font-weight: 900;
  line-height: 1.05;
  margin-bottom: 1.5rem;
  position: relative;
}

.hero-title .line-1 {
  display: block;
  color: var(--text-primary);
}

.hero-title .line-2 {
  display: block;
  background: linear-gradient(135deg, var(--accent-purple), var(--accent-blue), var(--accent-green));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  animation: gradient-shift 4s ease infinite;
  background-size: 200% 200%;
}

@keyframes gradient-shift {
  0% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}

.hero-subtitle {
  font-size: clamp(0.9rem, 2vw, 1.1rem);
  color: var(--text-secondary);
  margin-bottom: 3rem;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
  line-height: 1.7;
}

.hero-typewriter {
  color: var(--accent-blue);
  font-family: var(--font-mono);
  font-weight: 500;
}

.hero-typewriter::after {
  content: '|';
  animation: cursor-blink 0.8s infinite;
  margin-left: 2px;
}

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

.hero-cta {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 4rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 32px;
  border-radius: var(--radius-sm);
  font-family: var(--font-hud);
  font-size: 0.75rem;
  letter-spacing: 2px;
  text-transform: uppercase;
  text-decoration: none;
  cursor: none;
  transition: var(--transition);
  border: none;
  position: relative;
  overflow: hidden;
}

.btn::before {
  content: '';
  position: absolute;
  top: 50%; left: 50%;
  width: 0; height: 0;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 50%;
  transform: translate(-50%, -50%);
  transition: width 0.5s, height 0.5s;
}

.btn:hover::before { width: 300px; height: 300px; }

.btn-primary {
  background: linear-gradient(135deg, var(--accent-purple), var(--accent-blue));
  color: white;
  box-shadow: 0 0 30px rgba(124, 58, 237, 0.4);
}
.btn-primary:hover {
  box-shadow: 0 0 50px rgba(124, 58, 237, 0.6);
  transform: translateY(-2px);
  color: white;
}

.btn-secondary {
  background: transparent;
  color: var(--accent-blue);
  border: 1px solid rgba(0, 212, 255, 0.4);
}
.btn-secondary:hover {
  background: rgba(0, 212, 255, 0.08);
  border-color: var(--accent-blue);
  box-shadow: 0 0 30px rgba(0, 212, 255, 0.2);
  transform: translateY(-2px);
  color: var(--accent-blue);
}

.hero-stats {
  display: flex;
  gap: 3rem;
  justify-content: center;
  flex-wrap: wrap;
}

.hero-stat {
  text-align: center;
}

.hero-stat-number {
  font-family: var(--font-hud);
  font-size: 2rem;
  font-weight: 700;
  background: linear-gradient(135deg, var(--accent-purple), var(--accent-blue));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  display: block;
}

.hero-stat-label {
  font-size: 0.75rem;
  color: var(--text-muted);
  letter-spacing: 1px;
  text-transform: uppercase;
}

.hero-scroll-indicator {
  position: absolute;
  bottom: 40px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  color: var(--text-muted);
  font-size: 0.7rem;
  letter-spacing: 2px;
  font-family: var(--font-hud);
  text-transform: uppercase;
  animation: float 2s ease-in-out infinite;
}

.hero-scroll-indicator .scroll-line {
  width: 1px; height: 50px;
  background: linear-gradient(to bottom, var(--accent-blue), transparent);
}

@keyframes float {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50% { transform: translateX(-50%) translateY(8px); }
}

/* ── ABOUT ────────────────────────────────────────────────── */
#about {
  background: linear-gradient(180deg, transparent, rgba(10, 14, 26, 0.95), transparent);
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1.3fr;
  gap: 5rem;
  align-items: start;
}

.about-avatar-wrap {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2rem;
}

.about-avatar {
  width: 280px; height: 280px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent-purple), var(--accent-blue));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 6rem;
  position: relative;
  box-shadow: 0 0 60px rgba(124, 58, 237, 0.4), 0 0 120px rgba(0, 212, 255, 0.15);
}

.about-avatar::before {
  content: '';
  position: absolute;
  inset: -8px;
  border-radius: 50%;
  background: conic-gradient(from 0deg, var(--accent-purple), var(--accent-blue), var(--accent-green), var(--accent-purple));
  animation: spin 4s linear infinite;
  z-index: -1;
}

.about-avatar::after {
  content: '';
  position: absolute;
  inset: -4px;
  border-radius: 50%;
  background: var(--bg-primary);
  z-index: -1;
}

@keyframes spin { to { transform: rotate(360deg); } }

.about-info-cards {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  width: 100%;
}

.about-info-card {
  background: rgba(13, 18, 36, 0.8);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 1rem;
  text-align: center;
  transition: var(--transition);
}

.about-info-card:hover {
  border-color: var(--accent-blue);
  box-shadow: 0 0 20px rgba(0, 212, 255, 0.1);
}

.about-info-card i {
  font-size: 1.2rem;
  color: var(--accent-blue);
  margin-bottom: 0.4rem;
  display: block;
}

.about-info-card .label {
  font-size: 0.65rem;
  color: var(--text-muted);
  letter-spacing: 1px;
  text-transform: uppercase;
  display: block;
}

.about-info-card .value {
  font-size: 0.8rem;
  color: var(--text-primary);
  font-weight: 500;
  display: block;
  margin-top: 2px;
}

.about-text h3 {
  font-family: var(--font-hud);
  font-size: 1.4rem;
  color: var(--text-primary);
  margin-bottom: 1.5rem;
}

.about-text h3 span { color: var(--accent-blue); }

.about-text p {
  color: var(--text-secondary);
  line-height: 1.8;
  margin-bottom: 1.5rem;
  font-size: 0.95rem;
}

.about-social {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  margin-top: 2rem;
}

.social-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 20px;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 0.8rem;
  transition: var(--transition);
  cursor: none;
}

.social-btn:hover {
  border-color: var(--accent-blue);
  color: var(--accent-blue);
  background: rgba(0, 212, 255, 0.05);
  transform: translateY(-2px);
}

/* ── TIMELINE ─────────────────────────────────────────────── */
.timeline {
  position: relative;
  padding-left: 2rem;
  margin-top: 4rem;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 0; top: 0; bottom: 0;
  width: 2px;
  background: linear-gradient(to bottom, var(--accent-purple), var(--accent-blue), transparent);
}

.timeline-item {
  position: relative;
  padding: 0 0 3rem 2rem;
  opacity: 0;
  transform: translateX(-20px);
}

.timeline-item.visible {
  opacity: 1;
  transform: translateX(0);
  transition: all 0.5s ease;
}

.timeline-dot {
  position: absolute;
  left: -1.6rem;
  top: 4px;
  width: 32px; height: 32px;
  background: var(--bg-primary);
  border: 2px solid var(--accent-purple);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
  color: var(--accent-purple);
  transition: var(--transition);
}

.timeline-item:hover .timeline-dot {
  background: var(--accent-purple);
  color: white;
  box-shadow: 0 0 20px rgba(124, 58, 237, 0.5);
}

.timeline-year {
  font-family: var(--font-hud);
  font-size: 0.65rem;
  letter-spacing: 2px;
  color: var(--accent-blue);
  margin-bottom: 0.3rem;
}

.timeline-title {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 0.4rem;
}

.timeline-desc {
  font-size: 0.85rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* ── SKILLS ───────────────────────────────────────────────── */
#skills {
  background: linear-gradient(180deg, transparent, rgba(7, 10, 20, 0.97), transparent);
}

.skills-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: start;
}

.skill-bars { display: flex; flex-direction: column; gap: 1.2rem; }

.skill-item {}

.skill-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.5rem;
}

.skill-name {
  font-size: 0.85rem;
  color: var(--text-primary);
  font-weight: 500;
}

.skill-percent {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--accent-blue);
}

.skill-track {
  height: 6px;
  background: rgba(255, 255, 255, 0.05);
  border-radius: 6px;
  overflow: hidden;
  position: relative;
}

.skill-fill {
  height: 100%;
  border-radius: 6px;
  width: 0;
  background: linear-gradient(90deg, var(--accent-purple), var(--accent-blue));
  position: relative;
  transition: width 1.5s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: 0 0 12px rgba(0, 212, 255, 0.4);
}

.skill-fill::after {
  content: '';
  position: absolute;
  right: 0; top: 50%;
  transform: translateY(-50%);
  width: 10px; height: 10px;
  background: white;
  border-radius: 50%;
  box-shadow: 0 0 10px var(--accent-blue);
}

/* Tech Stack Grid */
.tech-stack-title {
  font-family: var(--font-hud);
  font-size: 0.75rem;
  letter-spacing: 3px;
  color: var(--accent-blue);
  text-transform: uppercase;
  margin-bottom: 1.5rem;
}

.tech-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 1rem;
}

.tech-item {
  background: rgba(13, 18, 36, 0.8);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 1.2rem 0.8rem;
  text-align: center;
  transition: var(--transition);
  cursor: default;
}

.tech-item:hover {
  transform: translateY(-4px) scale(1.05);
  border-color: var(--accent-blue);
  box-shadow: 0 8px 30px rgba(0, 212, 255, 0.15);
}

.tech-item i {
  font-size: 1.6rem;
  display: block;
  margin-bottom: 0.4rem;
}

.tech-item span {
  font-size: 0.65rem;
  color: var(--text-muted);
  letter-spacing: 0.5px;
  display: block;
}

/* ── PROJECTS ─────────────────────────────────────────────── */
#projects {
  background: linear-gradient(180deg, transparent, rgba(10, 14, 26, 0.95), transparent);
}

.projects-filter {
  display: flex;
  justify-content: center;
  gap: 0.5rem;
  flex-wrap: wrap;
  margin-bottom: 3rem;
}

.filter-btn {
  font-family: var(--font-hud);
  font-size: 0.65rem;
  letter-spacing: 2px;
  padding: 8px 20px;
  border: 1px solid var(--border-color);
  border-radius: 50px;
  background: transparent;
  color: var(--text-secondary);
  cursor: none;
  transition: var(--transition);
  text-transform: uppercase;
}

.filter-btn:hover, .filter-btn.active {
  background: rgba(124, 58, 237, 0.15);
  border-color: var(--accent-purple);
  color: var(--accent-blue);
  box-shadow: 0 0 20px rgba(124, 58, 237, 0.2);
}

.projects-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.project-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: var(--transition);
  position: relative;
  cursor: none;
}

.project-card:hover {
  transform: translateY(-8px) rotateX(2deg);
  border-color: rgba(0, 212, 255, 0.4);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5), 0 0 40px rgba(124, 58, 237, 0.2);
}

.project-card.featured {
  border-color: rgba(124, 58, 237, 0.4);
}

.project-card-banner {
  height: 140px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 3.5rem;
  position: relative;
  overflow: hidden;
}

.project-card-banner::after {
  content: '';
  position: absolute;
  inset: 0;
  background: inherit;
  opacity: 0.6;
  backdrop-filter: blur(20px);
}

.project-card-banner .project-icon-bg {
  position: relative;
  z-index: 1;
  font-size: 3rem;
  filter: drop-shadow(0 0 20px rgba(255,255,255,0.3));
}

.featured-badge {
  position: absolute;
  top: 12px; right: 12px;
  font-family: var(--font-hud);
  font-size: 0.6rem;
  letter-spacing: 2px;
  padding: 3px 10px;
  background: rgba(124, 58, 237, 0.8);
  border: 1px solid var(--accent-purple);
  border-radius: 50px;
  color: white;
  z-index: 2;
}

.project-body {
  padding: 1.5rem;
}

.project-category {
  font-family: var(--font-hud);
  font-size: 0.6rem;
  letter-spacing: 2px;
  color: var(--accent-blue);
  text-transform: uppercase;
  margin-bottom: 0.5rem;
  display: block;
}

.project-title {
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 0.7rem;
  line-height: 1.3;
}

.project-desc {
  font-size: 0.82rem;
  color: var(--text-secondary);
  line-height: 1.65;
  margin-bottom: 1.2rem;
}

.project-tags {
  display: flex;
  gap: 0.4rem;
  flex-wrap: wrap;
  margin-bottom: 1.2rem;
}

.project-tag {
  font-family: var(--font-mono);
  font-size: 0.6rem;
  padding: 3px 8px;
  background: rgba(124, 58, 237, 0.1);
  border: 1px solid rgba(124, 58, 237, 0.25);
  border-radius: 4px;
  color: var(--accent-purple);
}

.project-links {
  display: flex;
  gap: 0.6rem;
}

.project-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.75rem;
  padding: 7px 14px;
  border-radius: var(--radius-sm);
  text-decoration: none;
  cursor: none;
  transition: var(--transition);
}

.project-link-primary {
  background: rgba(124, 58, 237, 0.15);
  border: 1px solid rgba(124, 58, 237, 0.35);
  color: var(--accent-blue);
}

.project-link-primary:hover {
  background: rgba(124, 58, 237, 0.3);
  color: white;
}

.project-link-secondary {
  background: transparent;
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
}
.project-link-secondary:hover {
  border-color: var(--accent-blue);
  color: var(--accent-blue);
}

/* ── SERVICES ─────────────────────────────────────────────── */
#services {
  background: linear-gradient(180deg, transparent, rgba(7, 10, 20, 0.98), transparent);
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.service-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 2.5rem 2rem;
  text-align: center;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
  cursor: none;
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0; left: 50%; transform: translateX(-50%);
  width: 60%; height: 1px;
  background: linear-gradient(90deg, transparent, var(--accent-purple), transparent);
  transition: var(--transition);
}

.service-card:hover {
  transform: translateY(-6px);
  border-color: rgba(124, 58, 237, 0.4);
  box-shadow: 0 16px 50px rgba(0, 0, 0, 0.4), 0 0 30px rgba(124, 58, 237, 0.15);
}

.service-card:hover::before { width: 100%; }

.service-icon-wrap {
  width: 70px; height: 70px;
  border-radius: 18px;
  background: linear-gradient(135deg, rgba(124, 58, 237, 0.2), rgba(0, 212, 255, 0.1));
  border: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1.5rem;
  font-size: 1.6rem;
  color: var(--accent-blue);
  transition: var(--transition);
}

.service-card:hover .service-icon-wrap {
  background: linear-gradient(135deg, var(--accent-purple), var(--accent-blue));
  color: white;
  box-shadow: 0 0 30px rgba(124, 58, 237, 0.4);
}

.service-title {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 0.8rem;
}

.service-desc {
  font-size: 0.82rem;
  color: var(--text-secondary);
  line-height: 1.65;
}

/* ── CONTACT ──────────────────────────────────────────────── */
#contact {
  background: linear-gradient(180deg, transparent, rgba(10, 14, 26, 0.98));
}

.contact-wrap {
  display: grid;
  grid-template-columns: 1fr 1.3fr;
  gap: 5rem;
  align-items: start;
}

.contact-info h3 {
  font-family: var(--font-hud);
  font-size: 1.5rem;
  margin-bottom: 1rem;
  color: var(--text-primary);
}

.contact-info p {
  color: var(--text-secondary);
  line-height: 1.8;
  margin-bottom: 2rem;
  font-size: 0.9rem;
}

.contact-items { display: flex; flex-direction: column; gap: 1rem; margin-bottom: 2rem; }

.contact-item {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1rem;
  background: rgba(13, 18, 36, 0.6);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  transition: var(--transition);
}

.contact-item:hover {
  border-color: var(--accent-blue);
  background: rgba(0, 212, 255, 0.03);
}

.contact-item-icon {
  width: 40px; height: 40px;
  background: linear-gradient(135deg, rgba(124, 58, 237, 0.2), rgba(0, 212, 255, 0.1));
  border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  color: var(--accent-blue);
  font-size: 1rem;
  flex-shrink: 0;
}

.contact-item-label {
  font-size: 0.65rem;
  color: var(--text-muted);
  letter-spacing: 1px;
  text-transform: uppercase;
  display: block;
}
.contact-item-value {
  font-size: 0.85rem;
  color: var(--text-primary);
  font-weight: 500;
  display: block;
}

/* Contact Form */
.contact-form {
  background: rgba(13, 18, 36, 0.8);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-xl);
  padding: 2.5rem;
  backdrop-filter: blur(10px);
}

.form-group { margin-bottom: 1.5rem; }

.form-group label {
  display: block;
  font-size: 0.72rem;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--text-secondary);
  margin-bottom: 0.5rem;
  font-family: var(--font-hud);
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  background: rgba(5, 8, 18, 0.8);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  padding: 14px 16px;
  color: var(--text-primary);
  font-family: var(--font-main);
  font-size: 0.9rem;
  transition: var(--transition);
  outline: none;
  cursor: none;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  border-color: var(--accent-blue);
  box-shadow: 0 0 20px rgba(0, 212, 255, 0.1), inset 0 0 20px rgba(0, 212, 255, 0.02);
}

.form-group textarea { resize: vertical; min-height: 140px; }
.form-group select option { background: var(--bg-secondary); }

.form-submit {
  width: 100%;
  padding: 15px;
  background: linear-gradient(135deg, var(--accent-purple), var(--accent-blue));
  border: none;
  border-radius: var(--radius-sm);
  color: white;
  font-family: var(--font-hud);
  font-size: 0.8rem;
  letter-spacing: 2px;
  cursor: none;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.form-submit:hover {
  box-shadow: 0 0 40px rgba(124, 58, 237, 0.5);
  transform: translateY(-2px);
}

.form-submit:active { transform: scale(0.98); }

.form-success {
  display: none;
  text-align: center;
  padding: 2rem;
  color: var(--accent-green);
  font-family: var(--font-hud);
  font-size: 0.85rem;
  letter-spacing: 1px;
}

.form-success i { font-size: 3rem; display: block; margin-bottom: 1rem; }

/* ── FOOTER ───────────────────────────────────────────────── */
footer {
  position: relative;
  z-index: 2;
  padding: 3rem 0;
  border-top: 1px solid var(--border-color);
  background: rgba(5, 8, 18, 0.95);
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
}

.footer-logo {
  font-family: var(--font-hud);
  font-size: 0.9rem;
  color: var(--text-primary);
  text-decoration: none;
}
.footer-logo span { color: var(--accent-blue); }

.footer-copy {
  font-size: 0.75rem;
  color: var(--text-muted);
  font-family: var(--font-mono);
  text-align: center;
}

.footer-copy span { color: var(--accent-purple); }

.footer-coord {
  font-family: var(--font-hud);
  font-size: 0.65rem;
  color: var(--text-muted);
  letter-spacing: 1px;
}

/* ── Toast Notification ───────────────────────────────────── */
.toast {
  position: fixed;
  bottom: 30px;
  right: 30px;
  background: rgba(13, 18, 36, 0.95);
  border: 1px solid var(--accent-green);
  border-radius: var(--radius-md);
  padding: 1rem 1.5rem;
  color: var(--accent-green);
  font-family: var(--font-hud);
  font-size: 0.8rem;
  letter-spacing: 1px;
  z-index: 9999;
  transform: translateX(200%);
  transition: transform 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
  box-shadow: 0 0 30px rgba(0, 255, 136, 0.2);
  display: flex;
  align-items: center;
  gap: 10px;
}

.toast.show { transform: translateX(0); }

/* ── Loader ───────────────────────────────────────────────── */
#loader {
  position: fixed;
  inset: 0;
  background: var(--bg-primary);
  z-index: 99999;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2rem;
  transition: opacity 0.6s ease;
}

#loader.hide {
  opacity: 0;
  pointer-events: none;
}

.loader-logo {
  font-family: var(--font-hud);
  font-size: 2rem;
  font-weight: 900;
  background: linear-gradient(135deg, var(--accent-purple), var(--accent-blue));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  animation: pulse 1.5s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}

.loader-bar-wrap {
  width: 240px;
  height: 2px;
  background: rgba(255,255,255,0.05);
  border-radius: 2px;
  overflow: hidden;
}

.loader-bar {
  height: 100%;
  background: linear-gradient(90deg, var(--accent-purple), var(--accent-blue));
  border-radius: 2px;
  animation: load 2s ease-in-out forwards;
}

@keyframes load {
  0% { width: 0; }
  60% { width: 80%; }
  100% { width: 100%; }
}

.loader-text {
  font-family: var(--font-hud);
  font-size: 0.65rem;
  letter-spacing: 3px;
  color: var(--text-muted);
  text-transform: uppercase;
  animation: pulse 1.5s ease-in-out infinite;
}

/* ── Utility ──────────────────────────────────────────────── */
.text-gradient {
  background: linear-gradient(135deg, var(--accent-purple), var(--accent-blue));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.fade-in {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

.fade-in-delay-1 { transition-delay: 0.1s; }
.fade-in-delay-2 { transition-delay: 0.2s; }
.fade-in-delay-3 { transition-delay: 0.3s; }
.fade-in-delay-4 { transition-delay: 0.4s; }
.fade-in-delay-5 { transition-delay: 0.5s; }

/* ── Responsive ───────────────────────────────────────────── */
@media (max-width: 1024px) {
  .about-grid { grid-template-columns: 1fr; }
  .about-avatar { width: 200px; height: 200px; }
  .skills-grid { grid-template-columns: 1fr; }
  .tech-grid { grid-template-columns: repeat(5, 1fr); }
  .contact-wrap { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
  .nav-links { display: none; }
  .nav-links.open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 72px; left: 0; right: 0;
    background: rgba(5, 8, 18, 0.97);
    backdrop-filter: blur(20px);
    padding: 2rem;
    border-bottom: 1px solid var(--border-color);
    gap: 1.5rem;
  }
  .nav-hamburger { display: flex; }
  .nav-cta { display: none; }

  .projects-grid { grid-template-columns: 1fr; }
  .services-grid { grid-template-columns: 1fr 1fr; }
  .tech-grid { grid-template-columns: repeat(4, 1fr); }
  .hero-stats { gap: 2rem; }
  .about-info-cards { grid-template-columns: 1fr 1fr; }
  .hud-coord--tl, .hud-coord--tr, .hud-coord--bl { display: none; }
}

@media (max-width: 480px) {
  .services-grid { grid-template-columns: 1fr; }
  .tech-grid { grid-template-columns: repeat(3, 1fr); }
  .hero-title { font-size: 2.2rem; }
  .projects-filter { gap: 0.4rem; }
  .filter-btn { font-size: 0.55rem; padding: 6px 12px; }
}