/* ============================================
   1. CSS VARIABLES & DESIGN TOKENS
   ============================================ */
:root {
  /* DARK MODE (Default) */
  --bg: #000000;
  --bg-elevated: #0a0a0a;
  --text: #a1a1aa;
  --text-secondary: #71717a;
  --heading: #ffffff;
  --card: #111113;
  --card-hover: #1a1a1d;
  --border: #27272a;
  --border-light: #1e1e21;
  --accent: #ffffff;
  --accent-subtle: rgba(255,255,255,0.06);
  --btn-text: #000000;
  --shadow: 0 24px 48px rgba(0,0,0,0.8);
  --shadow-sm: 0 8px 24px rgba(0,0,0,0.4);
  --glass: rgba(10,10,10,0.85);
  --glass-border: rgba(255,255,255,0.06);
  --gradient-hero: radial-gradient(ellipse at 20% 50%, rgba(255,255,255,0.03) 0%, transparent 50%),
                   radial-gradient(ellipse at 80% 20%, rgba(255,255,255,0.02) 0%, transparent 40%);
  --success: #22c55e;
  --success-bg: rgba(34,197,94,0.08);
  --glow: rgba(255,255,255,0.15);
  --radius: 20px;
  --radius-lg: 32px;
  --radius-full: 9999px;
  --transition: 0.35s cubic-bezier(0.4,0,0.2,1);
  --transition-spring: 0.5s cubic-bezier(0.34,1.56,0.64,1);
}

[data-theme="light"] {
  --bg: #ffffff;
  --bg-elevated: #fafafa;
  --text: #52525b;
  --text-secondary: #a1a1aa;
  --heading: #09090b;
  --card: #f4f4f5;
  --card-hover: #e8e8ea;
  --border: #d4d4d8;
  --border-light: #e4e4e7;
  --accent: #09090b;
  --accent-subtle: rgba(0,0,0,0.04);
  --btn-text: #ffffff;
  --shadow: 0 24px 48px rgba(0,0,0,0.06);
  --shadow-sm: 0 8px 24px rgba(0,0,0,0.04);
  --glass: rgba(255,255,255,0.9);
  --glass-border: rgba(0,0,0,0.06);
  --gradient-hero: radial-gradient(ellipse at 20% 50%, rgba(0,0,0,0.02) 0%, transparent 50%),
                   radial-gradient(ellipse at 80% 20%, rgba(0,0,0,0.01) 0%, transparent 40%);
  --glow: rgba(0,0,0,0.08);
}

/* ============================================
   2. RESET & BASE
   ============================================ */
*,*::before,*::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; scroll-padding-top: 100px; -webkit-text-size-adjust: 100%; overflow-x: hidden; max-width: 100vw; }
body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  background: var(--bg); color: var(--text);
  line-height: 1.7; font-size: 16px;
  overflow-x: hidden; max-width: 100vw;
  transition: background var(--transition), color var(--transition);
  -webkit-font-smoothing: antialiased;
  opacity: 0; transition: opacity 0.3s;
}
body.loaded { opacity: 1; }
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; transition: color var(--transition); }
h1,h2,h3,h4,h5,h6 { color: var(--heading); font-weight: 700; letter-spacing: -0.03em; line-height: 1.15; }
::selection { background: var(--accent); color: var(--btn-text); }

/* ============================================
   3. UTILITIES
   ============================================ */
.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }
.container-wide { max-width: 1400px; margin: 0 auto; padding: 0 24px; }
.section-label {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 10px 22px; border-radius: var(--radius-full);
  font-size: 12px; font-weight: 700; text-transform: uppercase; letter-spacing: 2px;
  background: var(--accent-subtle); border: 1px solid var(--border);
  color: var(--text); margin-bottom: 20px;
}
.section-heading {
  font-size: clamp(32px, 5vw, 52px);
  margin-bottom: 20px;
  background: linear-gradient(135deg, var(--heading) 0%, var(--text) 100%);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text;
}
.section-desc { font-size: 17px; color: var(--text); max-width: 560px; line-height: 1.7; }
.btn-primary {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 16px 36px; background: var(--accent); color: var(--btn-text);
  border: none; border-radius: var(--radius-full); font-weight: 700; font-size: 15px;
  cursor: pointer; transition: all var(--transition); position: relative; overflow: hidden;
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 12px 32px var(--glow); }
.btn-primary::after {
  content: ''; position: absolute; inset: 0;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
  transform: translateX(-100%); transition: transform 0.6s;
}
.btn-primary:hover::after { transform: translateX(100%); }
.btn-outline {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 14px 32px; background: transparent; color: var(--heading);
  border: 1px solid var(--border); border-radius: var(--radius-full);
  font-weight: 600; font-size: 14px; cursor: pointer; transition: all var(--transition);
}
.btn-outline:hover { background: var(--accent-subtle); border-color: var(--heading); }
.gradient-text {
  background: linear-gradient(135deg, var(--heading) 30%, var(--text-secondary) 100%);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
}

/* ============================================
   4. PAGE LOADER
   ============================================ */
#bk-loader {
  position: fixed; inset: 0; z-index: 99999;
  background: var(--bg);
  display: flex; align-items: center; justify-content: center;
  transition: opacity 0.6s ease, visibility 0.6s ease;
}
#bk-loader.hidden { opacity: 0; visibility: hidden; pointer-events: none; }
.loader-inner {
  display: flex; flex-direction: column; align-items: center; gap: 24px;
}
.loader-logo { font-size: 28px; font-weight: 800; color: var(--heading); letter-spacing: -1px; }
.loader-logo span { font-weight: 300; color: var(--text); }
.loader-bar {
  width: 120px; height: 2px; background: var(--border); border-radius: 2px; overflow: hidden;
}
.loader-bar::after {
  content: ''; display: block; width: 40%; height: 100%;
  background: var(--heading); border-radius: 2px;
  animation: loader-slide 1s ease-in-out infinite;
}
@keyframes loader-slide {
  0% { transform: translateX(-100%); }
  100% { transform: translateX(350%); }
}

/* ============================================
   5. SCROLL PROGRESS BAR
   ============================================ */
#progress-bar {
  position: fixed; top: 0; left: 0; height: 2px; z-index: 10001;
  background: linear-gradient(90deg, var(--heading), var(--text-secondary));
  width: 0%; transition: width 0.1s linear;
}

/* ============================================
   6. PAGE TRANSITION
   ============================================ */
#page-transition {
  position: fixed; inset: 0; z-index: 99998; pointer-events: none;
}
.transition-inner {
  position: absolute; inset: 0;
  background: var(--heading);
  transform: scaleY(0); transform-origin: bottom;
  transition: transform 0.5s cubic-bezier(0.77,0,0.175,1);
}
#page-transition.active .transition-inner { transform: scaleY(1); transform-origin: top; }
#page-transition.exit .transition-inner { transform: scaleY(0); transform-origin: bottom; }

/* ============================================
   7. HEADER & NAVIGATION
   ============================================ */
.header-wrap {
  position: fixed; top: 0; left: 0; width: 100%; z-index: 10000;
  background: var(--glass);
  backdrop-filter: blur(24px) saturate(180%);
  -webkit-backdrop-filter: blur(24px) saturate(180%);
  border-bottom: 1px solid var(--glass-border);
  transition: transform 0.4s ease, background 0.3s ease;
}
.header-wrap.header-hidden { transform: translateY(-100%); }
.nav { height: 72px; display: flex; align-items: center; justify-content: space-between; }
.logo a {
  font-size: 22px; font-weight: 800; color: var(--heading);
  letter-spacing: -0.5px; text-decoration: none;
}
.logo a span { font-weight: 300; color: var(--text-secondary); }
.menu { display: flex; align-items: center; gap: 8px; }
.nav-link {
  padding: 8px 16px; border-radius: var(--radius-full);
  font-size: 13px; font-weight: 500; color: var(--text);
  transition: all var(--transition); position: relative;
}
.nav-link:hover,.nav-link.active { color: var(--heading); background: var(--accent-subtle); }
.menu-actions { display: flex; align-items: center; gap: 6px; margin-left: 12px; }
.menu-btn {
  width: 38px; height: 38px; border-radius: 50%;
  background: var(--accent-subtle); border: 1px solid var(--border);
  color: var(--heading); display: flex; align-items: center; justify-content: center;
  cursor: pointer; font-size: 14px; transition: all var(--transition);
}
.menu-btn:hover { background: var(--accent); color: var(--btn-text); }
.lang-btn {
  padding: 8px 14px; border-radius: var(--radius-full);
  background: var(--accent-subtle); border: 1px solid var(--border);
  color: var(--heading); font-size: 12px; font-weight: 700;
  cursor: pointer; transition: all var(--transition); letter-spacing: 0.5px;
}
.lang-btn:hover { background: var(--accent); color: var(--btn-text); }
.hamburger {
  display: none; width: 40px; height: 40px;
  background: transparent; border: none; color: var(--heading);
  font-size: 20px; cursor: pointer; order: 3;
  -webkit-appearance: none; appearance: none;
  -webkit-tap-highlight-color: transparent;
}

/* Mobile Menu */
@media(max-width:900px) {
  .nav { flex-wrap: nowrap; }
  .logo { order: 1; flex-shrink: 0; }
  .hamburger {
    display: flex !important; align-items: center; justify-content: center;
    order: 3; flex-shrink: 0; z-index: 10002;
    width: 44px; height: 44px; border-radius: 8px;
    position: relative;
  }
  .hamburger:active { background: var(--accent-subtle); }
  .menu {
    display: none !important; position: fixed; top: 72px; left: 0; width: 100%; height: calc(100vh - 72px);
    flex-direction: column; justify-content: flex-start; padding: 40px 24px;
    background: var(--bg); gap: 8px; z-index: 9999;
    border-top: 1px solid var(--border);
    order: 2; overflow-y: auto; -webkit-overflow-scrolling: touch;
  }
  .menu.active { display: flex !important; animation: slideDown 0.3s ease; }
  .nav-link { font-size: 18px; padding: 14px 20px; width: 100%; }
  .menu-actions { margin: 20px 0 0; width: 100%; justify-content: center; }
  @keyframes slideDown { from { opacity: 0; transform: translateY(-10px); } to { opacity: 1; transform: translateY(0); } }
}

/* ============================================
   8. PARTICLE CANVAS
   ============================================ */
#particle-canvas {
  position: fixed; top: 0; left: 0; width: 100%; height: 100%;
  z-index: 0; pointer-events: none; opacity: 0.5;
}

/* ============================================
   9. HOMEPAGE SECTIONS
   ============================================ */
.page-content { position: relative; z-index: 1; }
.homepage { padding-top: 72px; }

/* --- HERO --- */
.hero-section {
  min-height: calc(100vh - 72px);
  display: flex; align-items: center; justify-content: center;
  padding: 80px 24px 120px; position: relative;
  background: var(--gradient-hero);
}
.hero-grid {
  max-width: 1200px; margin: 0 auto; width: 100%;
  display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 80px; align-items: center;
}
.hero-badge {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 8px 18px; border-radius: var(--radius-full);
  background: var(--success-bg); border: 1px solid rgba(34,197,94,0.15);
  color: var(--success); font-size: 13px; font-weight: 600; margin-bottom: 28px;
}
.hero-dot {
  width: 8px; height: 8px; background: var(--success); border-radius: 50%;
  animation: pulse-green 2s infinite;
}
@keyframes pulse-green {
  0%,100% { box-shadow: 0 0 0 0 rgba(34,197,94,0.5); }
  50% { box-shadow: 0 0 0 8px rgba(34,197,94,0); }
}
.hero-title {
  font-size: clamp(40px, 6vw, 72px); font-weight: 800;
  line-height: 1.05; margin-bottom: 24px; letter-spacing: -0.04em;
}
.hero-title .gradient-line {
  background: linear-gradient(135deg, var(--heading) 0%, var(--text-secondary) 80%);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
}
.typing-cursor {
  display: inline-block; width: 3px; height: 0.85em;
  background: var(--heading); animation: blink 1s step-end infinite;
  vertical-align: text-bottom; margin-left: 2px; border-radius: 2px;
}
@keyframes blink { 0%,100% { opacity: 1; } 50% { opacity: 0; } }
.hero-desc {
  font-size: 18px; line-height: 1.7; color: var(--text);
  max-width: 480px; margin-bottom: 40px;
}
.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; }
.hero-social { display: flex; gap: 12px; margin-top: 40px; }
.social-icon {
  width: 44px; height: 44px; border-radius: 50%;
  background: var(--accent-subtle); border: 1px solid var(--border);
  color: var(--text); display: flex; align-items: center; justify-content: center;
  font-size: 17px; transition: all var(--transition);
}
.social-icon:hover {
  background: var(--heading); color: var(--bg);
  border-color: var(--heading); transform: translateY(-3px);
}
.hero-visual { position: relative; }
.hero-card {
  background: var(--card); border: 1px solid var(--border);
  border-radius: var(--radius-lg); padding: 36px;
  box-shadow: var(--shadow); position: relative; overflow: hidden;
}
.hero-card::before {
  content: ''; position: absolute; top: -1px; left: 20%; right: 20%; height: 1px;
  background: linear-gradient(90deg, transparent, var(--heading), transparent);
  opacity: 0.3;
}
.hero-card-label { font-size: 12px; font-weight: 700; text-transform: uppercase; letter-spacing: 2px; color: var(--text-secondary); margin-bottom: 8px; }
.hero-card-title { font-size: 22px; font-weight: 700; color: var(--heading); margin-bottom: 6px; }
.hero-card-sub { font-size: 14px; color: var(--text); }
.hero-card img {
  width: 100%; border-radius: var(--radius); margin-top: 24px;
  filter: grayscale(100%) brightness(0.9); transition: filter 0.8s ease;
}
.hero-card:hover img { filter: grayscale(0%) brightness(1); }
.hero-float-badge {
  position: absolute; padding: 12px 20px;
  background: var(--glass); backdrop-filter: blur(16px);
  border: 1px solid var(--glass-border); border-radius: 16px;
  font-size: 13px; font-weight: 600; color: var(--heading);
  box-shadow: var(--shadow-sm);
}
.hero-float-badge.top-right { top: -20px; right: -20px; }
.hero-float-badge.bottom-left { bottom: -20px; left: -20px; }
.hero-float-badge i { margin-right: 8px; opacity: 0.6; }

@media(max-width:900px) {
  .hero-grid { grid-template-columns: 1fr; gap: 50px; text-align: center; }
  .hero-desc { margin-left: auto; margin-right: auto; }
  .hero-actions { justify-content: center; }
  .hero-social { justify-content: center; }
  .hero-float-badge { display: none; }
}

/* --- STATS --- */
.stats-section {
  padding: 100px 24px;
  background: var(--bg-elevated);
  border-top: 1px solid var(--border-light);
  border-bottom: 1px solid var(--border-light);
}
.stats-grid {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px;
  max-width: 1000px; margin: 0 auto;
}
.stat-card {
  text-align: center; padding: 40px 20px;
  background: var(--card); border: 1px solid var(--border);
  border-radius: var(--radius); position: relative; overflow: hidden;
  transition: all var(--transition);
}
.stat-card::after {
  content: ''; position: absolute; bottom: 0; left: 30%; right: 30%; height: 1px;
  background: linear-gradient(90deg, transparent, var(--text-secondary), transparent);
  opacity: 0; transition: opacity var(--transition);
}
.stat-card:hover::after { opacity: 0.5; }
.stat-card:hover { border-color: var(--text-secondary); transform: translateY(-4px); }
.stat-number {
  font-size: 48px; font-weight: 800; color: var(--heading);
  letter-spacing: -0.04em; line-height: 1;
}
.stat-suffix { font-size: 32px; font-weight: 300; }
.stat-label {
  font-size: 13px; color: var(--text-secondary); margin-top: 10px;
  font-weight: 500; text-transform: uppercase; letter-spacing: 1px;
}
@media(max-width:768px) {
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .stat-number { font-size: 36px; }
}

/* --- FEATURED PROJECTS --- */
.projects-section { padding: 140px 24px; }
.projects-header {
  text-align: center; margin-bottom: 60px;
}
.projects-grid {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: 28px; max-width: 1200px; margin: 0 auto;
}
.project-card {
  background: var(--card); border: 1px solid var(--border);
  border-radius: var(--radius); overflow: hidden;
  transition: all var(--transition); position: relative; cursor: pointer;
}
.project-card:hover { transform: translateY(-8px); border-color: var(--text-secondary); box-shadow: var(--shadow); }
.project-card-img {
  width: 100%; height: 240px; overflow: hidden; position: relative;
}
.project-card-img img {
  width: 100%; height: 100%; object-fit: cover; object-position: top;
  filter: grayscale(100%); transition: filter 0.6s ease, object-position 3s ease;
}
.project-card:hover .project-card-img img {
  filter: grayscale(0%); object-position: bottom;
}
.project-card-img::after {
  content: ''; position: absolute; inset: 0;
  background: linear-gradient(180deg, transparent 50%, rgba(0,0,0,0.6));
  opacity: 0; transition: opacity var(--transition);
}
.project-card:hover .project-card-img::after { opacity: 1; }
.project-card-body { padding: 28px; }
.project-card-body h3 {
  font-size: 20px; font-weight: 700; margin-bottom: 10px;
  color: var(--heading); transition: color var(--transition);
}
.project-card-body p { font-size: 14px; color: var(--text); line-height: 1.6; }
.project-card-tags { display: flex; gap: 8px; margin-top: 16px; flex-wrap: wrap; }
.project-tag {
  padding: 4px 12px; font-size: 11px; font-weight: 600;
  background: var(--accent-subtle); border: 1px solid var(--border);
  border-radius: var(--radius-full); color: var(--text);
}
.project-card-link {
  text-decoration: none; color: inherit; display: block;
}
@media(max-width:768px) {
  .projects-grid { grid-template-columns: 1fr; }
}

/* --- TESTIMONIALS MARQUEE --- */
.testimonials-section {
  padding: 100px 0; overflow: hidden;
  border-top: 1px solid var(--border-light);
  border-bottom: 1px solid var(--border-light);
  background: var(--bg-elevated);
}
.testimonials-header { text-align: center; padding: 0 24px; margin-bottom: 50px; }
.marquee-track {
  display: flex; gap: 24px; width: max-content;
  animation: marquee 35s linear infinite;
}
.marquee-track:hover { animation-play-state: paused; }
@keyframes marquee {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}
.testimonial-card {
  min-width: 380px; padding: 32px;
  background: var(--card); border: 1px solid var(--border);
  border-radius: var(--radius); flex-shrink: 0;
  transition: border-color var(--transition);
}
.testimonial-card:hover { border-color: var(--text-secondary); }
.testimonial-stars { color: #fbbf24; font-size: 14px; margin-bottom: 16px; letter-spacing: 2px; }
.testimonial-text { font-size: 15px; line-height: 1.7; color: var(--text); margin-bottom: 20px; font-style: italic; }
.testimonial-author { display: flex; align-items: center; gap: 12px; }
.testimonial-avatar {
  width: 40px; height: 40px; border-radius: 50%;
  background: var(--accent-subtle); border: 1px solid var(--border);
  display: flex; align-items: center; justify-content: center;
  font-weight: 700; font-size: 16px; color: var(--heading);
}
.testimonial-name { font-size: 14px; font-weight: 600; color: var(--heading); }
.testimonial-role { font-size: 12px; color: var(--text-secondary); }
@media(max-width:600px) { .testimonial-card { min-width: 300px; } }

/* --- CTA SECTION --- */
.cta-section {
  padding: 140px 24px; text-align: center;
  position: relative;
}
.cta-section::before {
  content: ''; position: absolute; top: 50%; left: 50%;
  transform: translate(-50%,-50%);
  width: 600px; height: 600px;
  background: radial-gradient(circle, var(--glow) 0%, transparent 70%);
  pointer-events: none;
}
.cta-content { position: relative; z-index: 1; }
.cta-title {
  font-size: clamp(36px, 5vw, 56px); font-weight: 800;
  margin-bottom: 20px; letter-spacing: -0.03em;
}
.cta-desc { font-size: 18px; color: var(--text); margin-bottom: 40px; max-width: 500px; margin-inline: auto; }
.cta-actions { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }

/* ============================================
   10. BLOG LISTING (placeholder for future blog)
   ============================================ */
.blog-listing { padding: 120px 24px 80px; }
.blog-page-hero { text-align: center; margin-bottom: 60px; padding-top: 20px; }
.blog-grid {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
  gap: 28px; max-width: 1200px; margin: 0 auto;
}
.blog-card {
  background: var(--card); border: 1px solid var(--border);
  border-radius: var(--radius); overflow: hidden;
  transition: all var(--transition);
}
.blog-card:hover { transform: translateY(-4px); border-color: var(--text-secondary); }
.blog-card-img { overflow: hidden; height: 200px; }
.blog-card-img img {
  width: 100%; height: 100%; object-fit: cover;
  transition: transform 0.6s ease;
}
.blog-card:hover .blog-card-img img { transform: scale(1.05); }
.blog-card-body { padding: 24px; }
.blog-card-meta {
  display: flex; align-items: center; gap: 12px;
  font-size: 12px; color: var(--text-secondary); margin-bottom: 12px;
}
.blog-tag {
  padding: 3px 10px; font-size: 11px; font-weight: 600;
  background: var(--accent-subtle); border-radius: var(--radius-full);
  color: var(--text);
}
.blog-card-body h2 { font-size: 19px; margin-bottom: 10px; }
.blog-card-body h2 a { color: var(--heading); }
.blog-card-body h2 a:hover { color: var(--text); }
.blog-card-body > p { font-size: 14px; color: var(--text); line-height: 1.6; }

/* ============================================
   11. STATIC PAGE
   ============================================ */
.static-page { padding: 120px 24px 80px; }
.static-page-content { max-width: 1000px; margin: 0 auto; }
.static-page-content h1 {
  font-size: clamp(32px, 5vw, 52px); margin-bottom: 16px;
  text-align: center; padding-top: 20px;
}

/* About Page Styles */
.about-hero { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; margin-bottom: 80px; }
.about-hero img { border-radius: var(--radius-lg); filter: grayscale(80%); transition: filter 0.6s; }
.about-hero:hover img { filter: grayscale(0%); }
.about-hero h2 { font-size: 28px; margin-bottom: 16px; }
.about-hero p { font-size: 16px; line-height: 1.8; margin-bottom: 16px; }

/* Timeline */
.timeline { position: relative; padding: 40px 0; }
.timeline::before {
  content: ''; position: absolute; left: 50%; top: 0; bottom: 0;
  width: 1px; background: var(--border);
}
.timeline-item {
  display: flex; justify-content: flex-end; padding: 0 40px 60px;
  width: 50%; position: relative;
}
.timeline-item:nth-child(even) { margin-left: 50%; justify-content: flex-start; }
.timeline-dot {
  position: absolute; width: 12px; height: 12px;
  background: var(--heading); border-radius: 50%;
  top: 8px; right: -6px;
}
.timeline-item:nth-child(even) .timeline-dot { left: -6px; right: auto; }
.timeline-content {
  background: var(--card); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 24px;
}
.timeline-year { font-size: 12px; font-weight: 700; color: var(--text-secondary); text-transform: uppercase; letter-spacing: 1px; }
.timeline-title { font-size: 18px; font-weight: 700; color: var(--heading); margin: 8px 0; }
.timeline-desc { font-size: 14px; color: var(--text); line-height: 1.6; }

@media(max-width:768px) {
  .about-hero { grid-template-columns: 1fr; }
  .timeline::before { left: 20px; }
  .timeline-item,.timeline-item:nth-child(even) { width: 100%; margin-left: 0; padding-left: 50px; justify-content: flex-start; }
  .timeline-dot,.timeline-item:nth-child(even) .timeline-dot { left: 14px; right: auto; }
}

/* Skills Page Styles */
.skills-grid {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 12px; margin: 40px 0;
}
.skill-item {
  display: flex; align-items: center; gap: 10px;
  padding: 16px 20px; background: var(--card);
  border: 1px solid var(--border); border-radius: 14px;
  font-size: 14px; font-weight: 600; color: var(--heading);
  transition: all var(--transition);
}
.skill-item:hover { background: var(--heading); color: var(--bg); transform: translateY(-2px); }
.skill-item i { font-size: 18px; opacity: 0.7; }
.skill-item:hover i { opacity: 1; }

/* Contact Page Styles */
.contact-grid {
  display: grid; grid-template-columns: 1fr 1.3fr; gap: 48px;
  margin-top: 40px;
}
.contact-info { padding: 40px; background: var(--card); border: 1px solid var(--border); border-radius: var(--radius-lg); }
.contact-info h2 { font-size: 28px; margin-bottom: 16px; }
.contact-info p { margin-bottom: 24px; font-size: 15px; line-height: 1.7; }
.contact-detail {
  display: flex; align-items: center; gap: 12px;
  padding: 12px 0; font-size: 14px; color: var(--text);
}
.contact-detail i { width: 20px; text-align: center; color: var(--text-secondary); }
.contact-form-wrap {
  padding: 40px; background: var(--card);
  border: 1px solid var(--border); border-radius: var(--radius-lg);
}
.form-group { margin-bottom: 20px; }
.form-group label {
  display: block; font-size: 12px; font-weight: 700;
  color: var(--heading); margin-bottom: 8px;
  text-transform: uppercase; letter-spacing: 0.5px;
}
.form-input,.form-textarea,.form-select {
  width: 100%; padding: 16px 20px;
  background: var(--bg); border: 1px solid var(--border);
  border-radius: 12px; color: var(--heading);
  font-size: 15px; font-family: inherit;
  outline: none; transition: border-color var(--transition);
}
.form-input:focus,.form-textarea:focus,.form-select:focus { border-color: var(--heading); }
.form-textarea { resize: vertical; min-height: 120px; }
.form-select { cursor: pointer; appearance: none; }
.submit-btn {
  width: 100%; padding: 18px;
  background: var(--accent); color: var(--btn-text);
  border: none; border-radius: 12px;
  font-weight: 700; font-size: 15px;
  cursor: pointer; transition: all var(--transition);
}
.submit-btn:hover { opacity: 0.9; transform: translateY(-2px); }

@media(max-width:768px) { .contact-grid { grid-template-columns: 1fr; } }

/* ============================================
   12. FOOTER
   ============================================ */
.footer-wrap {
  background: var(--card); border-top: 1px solid var(--border);
  padding: 80px 0 40px; position: relative; z-index: 50;
}
.footer-grid {
  display: grid; grid-template-columns: 1.5fr 1fr 1fr;
  gap: 60px; max-width: 1200px; margin: 0 auto; padding: 0 24px;
}
.footer-brand { font-size: 22px; font-weight: 800; color: var(--heading); margin-bottom: 12px; }
.footer-brand span { font-weight: 300; color: var(--text-secondary); }
.footer-desc { font-size: 14px; color: var(--text); line-height: 1.7; margin-bottom: 20px; }
.footer-social { display: flex; gap: 10px; }
.footer-heading {
  font-size: 13px; font-weight: 700; color: var(--heading);
  text-transform: uppercase; letter-spacing: 1px; margin-bottom: 20px;
}
.footer-links a {
  display: block; color: var(--text); padding: 6px 0;
  font-size: 14px; transition: color var(--transition);
}
.footer-links a:hover { color: var(--heading); }
.footer-bottom {
  display: flex; justify-content: space-between; align-items: center;
  max-width: 1200px; margin: 40px auto 0; padding: 24px 24px 0;
  border-top: 1px solid var(--border); font-size: 13px; color: var(--text-secondary);
}
@media(max-width:768px) {
  .footer-grid { grid-template-columns: 1fr; gap: 40px; }
  .footer-bottom { flex-direction: column; gap: 12px; text-align: center; }
}

/* ============================================
   13. BACK TO TOP
   ============================================ */
#scrollTop {
  position: fixed; bottom: 28px; right: 28px;
  width: 48px; height: 48px; border-radius: 50%;
  background: var(--accent); color: var(--btn-text);
  display: flex; align-items: center; justify-content: center;
  font-size: 18px; z-index: 9999;
  opacity: 0; visibility: hidden; transform: translateY(20px);
  transition: all 0.4s ease; box-shadow: var(--shadow-sm);
  border: none; cursor: pointer; text-decoration: none;
}
#scrollTop.visible { opacity: 1; visibility: visible; transform: translateY(0); }
#scrollTop:hover { transform: translateY(-4px); }

/* ============================================
   14. CURSOR GLOW (Desktop only)
   ============================================ */
#cursor-glow {
  position: fixed; width: 300px; height: 300px;
  border-radius: 50%; pointer-events: none; z-index: 0;
  background: radial-gradient(circle, var(--glow), transparent 70%);
  transform: translate(-50%, -50%);
  opacity: 0; transition: opacity 0.3s;
}
@media(hover: hover) { #cursor-glow { opacity: 1; } }

/* ============================================
   15. SCROLL REVEAL
   ============================================ */
.reveal {
  opacity: 0; transform: translateY(40px);
  transition: opacity 0.8s cubic-bezier(0.5,0,0,1), transform 0.8s cubic-bezier(0.5,0,0,1);
}
.reveal.visible { opacity: 1; transform: translateY(0); }
.reveal-d1 { transition-delay: 0.1s; }
.reveal-d2 { transition-delay: 0.2s; }
.reveal-d3 { transition-delay: 0.3s; }
.reveal-d4 { transition-delay: 0.4s; }

/* ============================================
   16. STATUS BADGE (Contact)
   ============================================ */
.status-badge {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 8px 18px; background: var(--success-bg);
  border: 1px solid rgba(34,197,94,0.15); border-radius: var(--radius-full);
  color: var(--success); font-size: 13px; font-weight: 600; margin-bottom: 24px;
}

/* ============================================
   17. SEARCH BOX
   ============================================ */
.search-form-wrap { display: flex; align-items: center; }
.search-form { 
  display: flex; align-items: center; 
  background: transparent; 
  border: 1px solid transparent; 
  border-radius: var(--radius-full); 
  padding: 0; 
  overflow: hidden; 
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  width: 38px; height: 38px;
}
.search-form:focus-within, .search-form:hover { 
  width: 200px; 
  background: var(--bg-elevated); 
  border: 1px solid var(--border); 
  padding: 4px 6px 4px 16px; 
}
.search-form input { 
  border: none; background: transparent; color: var(--heading); 
  font-size: 14px; outline: none; width: 100%; min-width: 120px; 
  opacity: 0; transition: opacity 0.3s; display: none;
}
.search-form:focus-within input, .search-form:hover input { 
  opacity: 1; display: block;
}
.search-form button { 
  background: var(--accent-subtle); color: var(--heading); border: 1px solid var(--border); 
  width: 38px; height: 38px; border-radius: 50%; display: flex; align-items: center; justify-content: center; cursor: pointer; transition: all var(--transition); flex-shrink: 0; 
}
.search-form:focus-within button, .search-form:hover button { 
  background: var(--accent); color: var(--btn-text); border-color: transparent; width: 30px; height: 30px; margin-left: 8px; 
}

/* ============================================
   18. 404 ERROR PAGE
   ============================================ */
.error-page-body {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  background: var(--bg);
  position: relative;
  overflow-x: hidden;
}
.error-page {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 80px 24px;
  position: relative;
  z-index: 2;
}
.error-card {
  text-align: center;
  max-width: 640px;
  width: 100%;
  padding: 50px 36px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: 0 30px 60px rgba(0, 0, 0, 0.5), 0 0 30px var(--accent-subtle);
  position: relative;
  overflow: hidden;
  backdrop-filter: blur(12px);
}
.error-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, transparent, var(--accent), transparent);
}
.error-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  border-radius: 999px;
  background: var(--accent-subtle);
  border: 1px solid var(--border);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--accent);
  margin-bottom: 24px;
}
.error-code {
  font-size: clamp(80px, 14vw, 130px);
  font-weight: 900;
  line-height: 1;
  margin-bottom: 16px;
  letter-spacing: -0.05em;
  background: linear-gradient(135deg, var(--heading) 30%, var(--text-secondary) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  text-shadow: 0 10px 30px rgba(0, 0, 0, 0.4);
}
.error-page h2 {
  font-size: clamp(22px, 3.5vw, 28px);
  font-weight: 800;
  color: var(--heading);
  margin-bottom: 14px;
  letter-spacing: -0.02em;
}
.error-page p {
  font-size: 15px;
  color: var(--text);
  margin-bottom: 36px;
  line-height: 1.7;
  max-width: 500px;
  margin-left: auto;
  margin-right: auto;
}
.error-actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 14px;
  flex-wrap: wrap;
  margin-bottom: 30px;
}
.error-links-help {
  border-top: 1px solid var(--border);
  padding-top: 24px;
  display: flex;
  justify-content: center;
  gap: 20px;
  flex-wrap: wrap;
  font-size: 13px;
}
.error-links-help a {
  color: var(--text-secondary);
  transition: color var(--transition);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.error-links-help a:hover {
  color: var(--accent);
}

/* ============================================
   19. PAGE HIDDEN (for multi-page routing)
   ============================================ */
.page-hidden { display: none !important; }

/* ============================================
   20. WHATSAPP BUTTON ACCENT
   ============================================ */
.whatsapp-submit-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
}
.whatsapp-submit-btn i {
  color: #25d366;
  font-size: 19px;
  transition: transform var(--transition);
}
.whatsapp-submit-btn:hover i {
  transform: scale(1.2);
}

/* ============================================
   21. NAV BADGE (SOON)
   ============================================ */
.nav-badge {
  display: inline-block;
  font-size: 10px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  background: var(--accent-subtle);
  color: var(--accent);
  padding: 2px 7px;
  border-radius: 999px;
  margin-left: 6px;
  vertical-align: middle;
  border: 1px solid var(--border);
}

/* ============================================
   22. BILINCLENDIN.COM SPOTLIGHT BANNER
   ============================================ */
.spotlight-section {
  padding: 80px 0;
  max-width: var(--max-width);
  margin: 0 auto;
}
.spotlight-card {
  position: relative;
  background: linear-gradient(135deg, rgba(10, 15, 20, 0.95) 0%, rgba(5, 8, 12, 0.98) 100%);
  border: 1px solid rgba(0, 240, 255, 0.2);
  border-radius: var(--radius-lg);
  padding: 48px;
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 40px;
  align-items: center;
  overflow: hidden;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.6), 0 0 30px rgba(0, 240, 255, 0.07);
  transition: all var(--transition);
}
.spotlight-card::before {
  content: "";
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle at 30% 30%, rgba(0, 240, 255, 0.08) 0%, transparent 60%);
  pointer-events: none;
}
.spotlight-card:hover {
  border-color: rgba(0, 240, 255, 0.4);
  box-shadow: 0 25px 60px rgba(0, 0, 0, 0.7), 0 0 45px rgba(0, 240, 255, 0.15);
  transform: translateY(-3px);
}
.spotlight-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  border-radius: 999px;
  background: rgba(0, 240, 255, 0.1);
  border: 1px solid rgba(0, 240, 255, 0.3);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: #00f0ff;
  margin-bottom: 20px;
}
.spotlight-pulse {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #00f0ff;
  box-shadow: 0 0 10px #00f0ff;
  animation: pulse-dot 2s infinite;
}
.spotlight-title {
  font-size: clamp(28px, 4vw, 38px);
  font-weight: 800;
  color: #ffffff;
  letter-spacing: -0.03em;
  margin-bottom: 8px;
}
.spotlight-title span {
  color: #00f0ff;
  font-weight: 600;
}
.spotlight-tagline {
  font-family: var(--font-mono);
  font-size: 14px;
  color: #52e5ff;
  margin-bottom: 16px;
  opacity: 0.9;
}
.spotlight-desc {
  font-size: 15px;
  line-height: 1.7;
  color: #94a3b8;
  margin-bottom: 24px;
}
.spotlight-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 30px;
}
.spotlight-tags span {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 12px;
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.08);
  font-size: 12px;
  color: #e2e8f0;
}
.spotlight-tags span i {
  color: #00f0ff;
}
.spotlight-btn {
  background: linear-gradient(135deg, #00f0ff 0%, #00a8ff 100%) !important;
  color: #05080c !important;
  font-weight: 700;
  box-shadow: 0 4px 20px rgba(0, 240, 255, 0.3);
  border: none;
}
.spotlight-btn:hover {
  box-shadow: 0 6px 25px rgba(0, 240, 255, 0.5);
  transform: translateY(-2px);
}
.spotlight-media {
  position: relative;
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid rgba(0, 240, 255, 0.2);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
}
.spotlight-img-link {
  display: block;
  position: relative;
  aspect-ratio: 16/9;
  overflow: hidden;
}
.spotlight-img-link img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}
.spotlight-img-link:hover img {
  transform: scale(1.04);
}
.spotlight-overlay {
  position: absolute;
  bottom: 12px;
  right: 12px;
  pointer-events: none;
}
.spotlight-visit-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 14px;
  border-radius: 999px;
  background: rgba(5, 8, 12, 0.85);
  backdrop-filter: blur(8px);
  border: 1px solid rgba(0, 240, 255, 0.4);
  color: #ffffff;
  font-size: 12px;
  font-weight: 600;
  font-family: var(--font-mono);
}

/* ============================================
   23. BLOG COMING SOON SECTION
   ============================================ */
.blog-soon-wrap {
  text-align: center;
  max-width: 800px;
  margin: 40px auto 80px;
  padding: 60px 30px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
  position: relative;
  overflow: hidden;
}
.blog-soon-wrap::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, transparent, var(--accent), transparent);
}
.blog-soon-icon {
  width: 70px;
  height: 70px;
  border-radius: 50%;
  background: var(--accent-subtle);
  color: var(--accent);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 28px;
  margin-bottom: 24px;
  border: 1px solid var(--border);
}
.blog-soon-title {
  font-size: clamp(24px, 3.5vw, 34px);
  margin-bottom: 16px;
  color: var(--heading);
  font-weight: 800;
}
.blog-soon-text {
  font-size: 16px;
  color: var(--text);
  line-height: 1.7;
  max-width: 600px;
  margin: 0 auto 36px;
}
.blog-topics-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 16px;
  text-align: left;
  margin-bottom: 40px;
}
.blog-topic-item {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 20px;
  transition: all var(--transition);
}
.blog-topic-item:hover {
  border-color: var(--border-hover);
  transform: translateY(-2px);
}
.blog-topic-badge {
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--accent);
  letter-spacing: 0.05em;
  margin-bottom: 8px;
}
.blog-topic-item h4 {
  font-size: 15px;
  font-weight: 600;
  color: var(--heading);
  margin-bottom: 6px;
  line-height: 1.4;
}
.blog-topic-item p {
  font-size: 13px;
  color: var(--text-secondary);
  line-height: 1.5;
  margin: 0;
}

@media (max-width: 900px) {
  .spotlight-card {
    grid-template-columns: 1fr;
    padding: 30px 20px;
    gap: 30px;
  }
}