/* === CSS Custom Properties === */
:root {
  --bg: #f5f5f0;
  --bg-alt: #eaeae5;
  --text: #1a1a1a;
  --text-muted: #555;
  --accent: #cc0000;
  --accent-glow: rgba(204, 0, 0, 0.15);
  --card-bg: #fff;
  --card-bg-alt: #f0f0eb;
  --card-shadow: rgba(0, 0, 0, 0.08);
  --border: #d0d0c8;
  --nav-bg: #111;
  --terminal-green: #00ff41;

  /* Type Scale */
  --fs-xs: 0.75rem;
  --fs-sm: 0.8125rem;
  --fs-base: 0.9375rem;
  --fs-md: 1.0625rem;
  --fs-lg: 1.1875rem;
  --fs-xl: 1.375rem;
  --fs-2xl: 1.75rem;
  --fs-3xl: 2.25rem;
  --fs-4xl: 3rem;

  /* Line Heights */
  --lh-tight: 1.3;
  --lh-normal: 1.65;
  --lh-relaxed: 1.8;

  /* Font family tokens */
  --font-mono: "JetBrains Mono", "Fira Code", "Cascadia Code", "Consolas", monospace;

  /* IAMTrail */
  --iamtrail-accent: #dc2626;
  --iamtrail-accent-hover: #b91c1c;

  /* Radius */
  --radius: 4px;
  --radius-lg: 8px;
}

body.dark-mode {
  --bg: #0a0a0f;
  --bg-alt: #111118;
  --text: #d4d4d4;
  --text-muted: #888;
  --accent: #ff3333;
  --accent-glow: rgba(255, 51, 51, 0.12);
  --card-bg: #141419;
  --card-bg-alt: #18181f;
  --card-shadow: rgba(0, 0, 0, 0.4);
  --border: #2a2a30;
  --nav-bg: #060608;
  --iamtrail-accent: #ef4444;
  --iamtrail-accent-hover: #dc2626;
}

/* === SVG Icons === */
.icon {
  width: 1em;
  height: 1em;
  fill: currentColor;
  vertical-align: -0.125em;
  display: inline-block;
}

/* === Base Reset === */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 70px; }
body {
  margin: 0;
  font-family: var(--font-mono);
  font-size: var(--fs-base);
  line-height: var(--lh-normal);
  background: var(--bg);
  color: var(--text);
  transition: background 0.3s, color 0.3s;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  letter-spacing: -0.01em;
}
a { color: inherit; }

/* === Bootstrap Replacement Utilities === */
.container { width: 100%; max-width: 1170px; margin: 0 auto; padding: 0 15px; }
.text-center { text-align: center; }
.text-muted { color: var(--text-muted); }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); border: 0; }
.skip-link {
  position: absolute; top: -100%; left: 50%; transform: translateX(-50%);
  background: var(--accent); color: #fff; padding: 0.75rem 1.5rem;
  border-radius: 0 0 var(--radius) var(--radius); font-weight: 600; text-decoration: none;
  z-index: 9999; transition: top 0.2s;
}
.skip-link:focus { top: 0; }
.list-inline { list-style: none; padding: 0; margin: 0; display: flex; gap: 1.2rem; justify-content: center; align-items: center; }
.list-inline li { display: inline-block; }
.form-group { margin-bottom: 1.2rem; }
.form-control { display: block; width: 100%; padding: 0.75rem 1rem; font-size: var(--fs-base); line-height: var(--lh-normal); border: 1px solid var(--border); border-radius: var(--radius); font-family: inherit; background: var(--card-bg); color: var(--text); transition: border-color 0.2s; }
.form-control:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 2px var(--accent-glow); }
.section-heading { text-transform: uppercase; font-size: var(--fs-3xl); letter-spacing: 0.08em; line-height: var(--lh-tight); }
.section-subheading { font-size: var(--fs-md); line-height: var(--lh-relaxed); margin-bottom: 1.5rem; }

/* === Layout Utilities === */
.nav-right { display: flex; align-items: center; }
.section-compact { padding-top: 60px; padding-bottom: 40px; }
.section-lead { max-width: 600px; margin: 0 auto 2rem auto; color: var(--text-muted); }

/* === Navigation === */
#mainNav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  background: var(--nav-bg);
  box-shadow: 0 2px 12px rgba(0,0,0,0.04);
  transition: background 0.3s, box-shadow 0.3s;
}
#mainNav.nav-scrolled { box-shadow: 0 2px 20px rgba(0,0,0,0.18); }
#mainNav .container { display: flex; align-items: center; justify-content: space-between; }
.navbar-brand { display: flex; align-items: center; padding: 10px 0; text-decoration: none; }
.navbar-brand img { height: 32px; border-radius: 4px; }
.nav-links { display: flex; align-items: center; list-style: none; margin: 0; padding: 0; }
.nav-links li a { display: block; padding: 18px 12px; color: rgba(255,255,255,0.75); text-decoration: none; font-weight: 500; font-size: var(--fs-xs); letter-spacing: 0.04em; text-transform: uppercase; transition: color 0.2s; }
.nav-links li a:hover { color: var(--accent); }
.nav-links li a.nav-unusd { color: #FF6A00; font-weight: 600; }
.nav-links li a.nav-unusd:hover { color: #ff8533; }
.nav-links li a.nav-iamtrail { color: var(--iamtrail-accent); font-weight: 600; }
.nav-links li a.nav-iamtrail:hover { color: var(--iamtrail-accent-hover); }
.nav-toggle { display: none; background: none; border: none; color: #fff; font-size: var(--fs-lg); cursor: pointer; padding: 10px; }
.dark-toggle {
  background: none; border: 1px solid rgba(255,255,255,0.2);
  color: #fff; border-radius: var(--radius); width: 34px; height: 34px;
  cursor: pointer; display: flex; align-items: center; justify-content: center;
  font-size: var(--fs-base); transition: background 0.2s, border-color 0.2s; margin-left: 12px;
}
.dark-toggle:hover { background: rgba(255,255,255,0.1); border-color: var(--accent); color: var(--accent); }
@media (max-width: 768px) {
  .nav-toggle { display: block; }
  .nav-links {
    display: none; flex-direction: column;
    position: absolute; top: 100%; left: 0; right: 0;
    background: var(--nav-bg); box-shadow: 0 4px 12px rgba(0,0,0,0.15);
  }
  .nav-links.open { display: flex; }
  .nav-links li a { padding: 14px 20px; border-bottom: 1px solid rgba(255,255,255,0.05); }
}

/* === Sections === */
.section { padding: 70px 0 50px 0; }
.section-light { background: var(--bg); }
.section-alt { background: var(--bg-alt); }
.section-heading { font-weight: 800; color: var(--accent); }
.section-subheading { color: var(--text-muted); font-weight: 400; }

/* === Card Grid === */
.card-grid { display: flex; justify-content: center; gap: 2rem; flex-wrap: wrap; margin-top: 2rem; align-items: stretch; }
.card-grid-tight { display: flex; justify-content: center; gap: 1.5rem; flex-wrap: wrap; margin-bottom: 2.5rem; align-items: stretch; }
.card-col { min-width: 260px; max-width: 320px; flex: 1; margin-bottom: 2rem; display: flex; }
.card-col-sm { min-width: 220px; max-width: 300px; flex: 1; margin-bottom: 2rem; display: flex; }
.card-col-unusd { min-width: 240px; max-width: 300px; flex: 1; display: flex; }

/* === Cards === */
.card {
  background: var(--card-bg-alt); border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  padding: 2rem 1.2rem; text-align: center;
  transition: transform 0.2s, border-color 0.2s, box-shadow 0.2s;
  width: 100%; display: flex; flex-direction: column;
}
.card:hover {
  transform: translateY(-4px);
  border-color: var(--accent);
  box-shadow: 0 4px 20px var(--accent-glow);
}
.card-icon { font-size: var(--fs-3xl); color: var(--accent); margin-bottom: 1rem; }
.card-icon-sm { font-size: var(--fs-2xl); color: var(--accent); margin-bottom: 1rem; }
.card h4 { font-weight: 700; font-size: var(--fs-md); line-height: var(--lh-tight); margin-bottom: 0.7rem; }
.card p { color: var(--text-muted); font-size: var(--fs-sm); line-height: var(--lh-normal); flex: 1; }

/* === Project Cards === */
.project-card {
  background: var(--card-bg); border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  padding: 2rem 1.2rem; text-align: left;
  transition: transform 0.2s, border-color 0.2s, box-shadow 0.2s;
  display: flex; flex-direction: column;
  justify-content: space-between; width: 100%;
}
.project-card:hover {
  transform: translateY(-4px);
  border-color: var(--accent);
  box-shadow: 0 4px 20px var(--accent-glow);
}
.project-header { display: flex; justify-content: space-between; align-items: flex-start; margin-bottom: 0.7rem; }
.project-title { font-weight: 700; font-size: var(--fs-md); color: var(--accent); margin: 0; flex: 1; }
.project-desc { color: var(--text-muted); font-size: var(--fs-sm); line-height: var(--lh-normal); min-height: 60px; }
.project-btn {
  display: inline-block; margin-top: 1.1rem;
  background: var(--accent); color: #fff;
  padding: 0.5rem 1.3rem; border-radius: var(--radius);
  font-weight: 600; font-size: var(--fs-sm);
  text-decoration: none; transition: background 0.2s, color 0.2s;
  letter-spacing: 0.02em;
}
.project-btn:hover { background: transparent; color: var(--accent); border: 1px solid var(--accent); }
.github-stars {
  display: flex; align-items: center; gap: 4px;
  font-size: var(--fs-xs); color: #666; font-weight: 600;
  background: rgba(255, 215, 0, 0.08); padding: 4px 8px;
  border-radius: var(--radius); border: 1px solid rgba(255, 215, 0, 0.2);
  transition: all 0.2s ease;
}
.github-stars:hover { background: rgba(255, 215, 0, 0.15); border-color: rgba(255, 215, 0, 0.3); transform: scale(1.05); }
.github-stars .icon { color: #ffd700; animation: starTwinkle 2s ease-in-out infinite; }
@keyframes starTwinkle { 0%, 100% { opacity: 1; } 50% { opacity: 0.7; } }

/* === Logo Carousel === */
.logo-carousel-wrapper { overflow: hidden; margin-top: 2.5rem; position: relative; width: 100%; }
.logo-carousel { display: flex; align-items: center; gap: 48px; animation: scroll-logos 32s linear infinite; will-change: transform; }
.logo-carousel-wrapper:hover .logo-carousel { animation-play-state: paused; }
.logo-img { height: 40px; width: auto; object-fit: contain; }
.logo-carousel a img { filter: grayscale(0.2) brightness(0.98); transition: filter 0.2s, transform 0.2s; }
.logo-carousel a img:hover { filter: none; transform: scale(1.08); }
@keyframes scroll-logos { 0% { transform: translateX(0); } 100% { transform: translateX(-50%); } }

/* === Footer === */
.site-footer { background: var(--bg); border-top: 1px solid var(--border); padding: 32px 0 18px 0; }
.footer-row { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; }
.footer-col { min-width: 180px; }
.footer-col-left { text-align: left; }
.footer-col-center { text-align: center; }
.footer-col-right { text-align: right; }
.footer-social { margin: 0; }
.x-icon { display: inline-block; vertical-align: middle; }
.footer-copyright { color: var(--text-muted); font-size: var(--fs-sm); }
.footer-link { color: var(--accent); font-weight: 600; text-decoration: none; font-size: var(--fs-sm); }
.social-link { color: var(--accent); }

/* === Contact === */
.contact-form {
  background: var(--card-bg); border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  padding: 2.2rem 1.2rem; margin-top: 1rem;
}
.contact-row { display: flex; justify-content: center; }
.contact-col { width: 100%; max-width: 600px; margin: 0 auto; }
.contact-textarea { min-height: 90px; resize: vertical; }
.contact-submit { margin-top: 0.5rem; }
.contact-sep { margin: 0 0.7rem; color: var(--border); }
.contact-links { text-align: center; margin-top: 2.2rem; }
.contact-link { color: var(--accent); font-weight: 600; font-size: var(--fs-md); text-decoration: none; }

/* === Form Feedback === */
.form-feedback {
  display: none;
  padding: 1rem 1.2rem;
  border-radius: var(--radius);
  font-weight: 600;
  font-size: var(--fs-sm);
  margin-top: 1rem;
  text-align: center;
}
.form-feedback.success {
  display: block;
  background: rgba(34, 197, 94, 0.1);
  color: #16a34a;
  border: 1px solid rgba(34, 197, 94, 0.3);
}
.form-feedback.error {
  display: block;
  background: rgba(239, 68, 68, 0.1);
  color: #dc2626;
  border: 1px solid rgba(239, 68, 68, 0.3);
}
body.dark-mode .form-feedback.success { color: #4ade80; }
body.dark-mode .form-feedback.error { color: #f87171; }

/* === About Badges === */
.badges-img { max-width: 160px; width: 100%; height: auto; display: inline-block; margin-top: 0.8rem; }
.badges-label { font-size: var(--fs-xs); color: var(--text-muted); margin-top: 0.4rem; letter-spacing: 0.02em; }
.inline-link { color: var(--accent); font-weight: 600; text-decoration: none; border-bottom: 1px dashed var(--accent); }
.inline-link:hover { border-bottom-style: solid; }

/* === GitHub Bar === */
.github-bar { text-align: center; margin-top: -20px; margin-bottom: 40px; font-size: var(--fs-base); color: var(--text-muted); }
.github-bar a { color: var(--accent); font-weight: 600; text-decoration: underline; }

/* === unusd Section === */
.unusd-section { position: relative; padding: 70px 0 60px 0; overflow: hidden; }
.unusd-bg { position: absolute; top: 0; left: 0; right: 0; bottom: 0; background: linear-gradient(135deg, #1a1a2e 0%, #16213e 50%, #0f3460 100%); z-index: 0; }
.unusd-glow-1 { position: absolute; top: -50%; right: -20%; width: 600px; height: 600px; background: radial-gradient(circle, rgba(255,106,0,0.15) 0%, transparent 70%); z-index: 0; }
.unusd-glow-2 { position: absolute; bottom: -30%; left: -10%; width: 400px; height: 400px; background: radial-gradient(circle, rgba(255,106,0,0.1) 0%, transparent 70%); z-index: 0; }
.unusd-content { position: relative; z-index: 1; }
.unusd-header { margin-bottom: 1rem; }
.unusd-heading { color: #FF6A00; }
.unusd-subheading { color: rgba(255,255,255,0.85); }
.unusd-desc { color: rgba(255,255,255,0.6); max-width: 600px; margin: 0 auto 2rem auto; }
.unusd-stats { margin-bottom: 3rem; }
.unusd-logo { width: 80px; height: 80px; margin-bottom: 1.2rem; filter: drop-shadow(0 4px 16px rgba(255,106,0,0.3)); }
.unusd-stat { text-align: center; min-width: 140px; }
.unusd-stat-value { font-size: var(--fs-3xl); font-weight: 800; color: #FF6A00; line-height: var(--lh-tight); }
.unusd-stat-label { color: rgba(255,255,255,0.7); font-size: var(--fs-sm); margin-top: 0.3rem; }
.unusd-card {
  background: rgba(255,255,255,0.06); backdrop-filter: blur(10px);
  border: 1px solid rgba(255,106,0,0.2); border-radius: var(--radius-lg);
  padding: 1.8rem 1.3rem; text-align: center;
  transition: transform 0.2s, box-shadow 0.2s, border-color 0.2s;
  width: 100%; display: flex; flex-direction: column;
}
.unusd-card:hover { transform: translateY(-5px); box-shadow: 0 8px 30px rgba(255,106,0,0.2); border-color: rgba(255,106,0,0.5); }
.unusd-emoji { font-size: var(--fs-2xl); margin-bottom: 0.8rem; }
.unusd-card h4 { font-weight: 700; color: #fff; margin-bottom: 0.6rem; font-size: var(--fs-md); line-height: var(--lh-tight); }
.unusd-card p { color: rgba(255,255,255,0.65); font-size: var(--fs-sm); line-height: var(--lh-normal); margin: 0; flex: 1; }
.unusd-btn-primary {
  display: inline-block; background: #FF6A00; color: #fff;
  padding: 0.9rem 2.2rem; border-radius: var(--radius); font-weight: 700;
  font-size: var(--fs-base); text-decoration: none; margin: 0.5rem;
  box-shadow: 0 4px 20px rgba(255,106,0,0.35); transition: all 0.25s ease;
  letter-spacing: 0.02em;
}
.unusd-btn-primary:hover { background: #e55d00; transform: translateY(-2px); box-shadow: 0 6px 25px rgba(255,106,0,0.45); }
.unusd-btn-secondary {
  display: inline-block; background: transparent; color: #FF6A00;
  padding: 0.85rem 2.2rem; border-radius: var(--radius); font-weight: 700;
  font-size: var(--fs-base); text-decoration: none; margin: 0.5rem;
  border: 2px solid #FF6A00; transition: all 0.25s ease;
  letter-spacing: 0.02em;
}
.unusd-btn-secondary:hover { background: #FF6A00; color: #fff; transform: translateY(-2px); box-shadow: 0 6px 25px rgba(255,106,0,0.35); }
.unusd-note { margin-top: 1.2rem; color: rgba(255,255,255,0.5); font-size: var(--fs-xs); }
@media (max-width: 600px) {
  .unusd-section h2 { font-size: var(--fs-xl); }
  .unusd-stat-value { font-size: var(--fs-2xl); }
}

/* === IAMTrail Section === */
.iamtrail-section { position: relative; padding: 70px 0 60px 0; overflow: hidden; }
.iamtrail-bg {
  position: absolute; top: 0; left: 0; right: 0; bottom: 0;
  background: #09090b;
  z-index: 0;
}
.iamtrail-grid-lines {
  position: absolute; top: 0; left: 0; right: 0; bottom: 0; z-index: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.03) 1px, transparent 1px);
  background-size: 60px 60px;
}
.iamtrail-glow-1 {
  position: absolute; top: -30%; right: -10%; width: 500px; height: 500px;
  background: radial-gradient(circle, rgba(220,38,38,0.08) 0%, transparent 70%);
  z-index: 0;
}
.iamtrail-glow-2 {
  position: absolute; bottom: -25%; left: -8%; width: 400px; height: 400px;
  background: radial-gradient(circle, rgba(220,38,38,0.05) 0%, transparent 70%);
  z-index: 0;
}
.iamtrail-content { position: relative; z-index: 1; }
.iamtrail-header { margin-bottom: 1rem; }
.iamtrail-heading { color: var(--iamtrail-accent); }
.iamtrail-subheading { color: #a1a1aa; }
.iamtrail-desc { color: #71717a; max-width: 620px; margin: 0 auto 2rem auto; }
.iamtrail-badge {
  display: inline-block; background: rgba(220,38,38,0.1);
  border: 1px solid rgba(220,38,38,0.25); border-radius: var(--radius);
  padding: 0.3rem 1rem; font-size: var(--fs-xs); font-weight: 600;
  color: var(--iamtrail-accent); margin-bottom: 1rem; letter-spacing: 0.1em;
}
.iamtrail-stats { margin-bottom: 3rem; }
.iamtrail-stat { text-align: center; min-width: 140px; }
.iamtrail-stat-value {
  font-size: var(--fs-3xl); font-weight: 800; color: #fafafa;
  line-height: var(--lh-tight); letter-spacing: -0.025em;
}
.iamtrail-stat-label { color: #71717a; font-size: var(--fs-sm); margin-top: 0.3rem; }
.iamtrail-card {
  background: #18181b; border: 1px solid #27272a; border-radius: var(--radius-lg);
  padding: 1.8rem 1.3rem; text-align: center;
  transition: transform 0.2s, box-shadow 0.2s, border-color 0.2s;
  width: 100%; display: flex; flex-direction: column;
}
.iamtrail-card:hover { transform: translateY(-5px); box-shadow: 0 8px 30px rgba(220,38,38,0.1); border-color: #3f3f46; }
.iamtrail-card-icon { font-size: var(--fs-2xl); margin-bottom: 0.8rem; color: var(--iamtrail-accent); }
.iamtrail-card h4 { font-weight: 700; color: #fafafa; margin-bottom: 0.6rem; font-size: var(--fs-md); line-height: var(--lh-tight); }
.iamtrail-card p { color: #a1a1aa; font-size: var(--fs-sm); line-height: var(--lh-normal); margin: 0; flex: 1; }
.iamtrail-btn-primary {
  display: inline-block; background: var(--iamtrail-accent); color: #fff;
  padding: 0.9rem 2.2rem; border-radius: var(--radius); font-weight: 700;
  font-size: var(--fs-base); text-decoration: none; margin: 0.5rem;
  transition: all 0.25s ease; letter-spacing: 0.02em;
}
.iamtrail-btn-primary:hover { background: var(--iamtrail-accent-hover); transform: translateY(-2px); box-shadow: 0 6px 25px rgba(220,38,38,0.3); }
.iamtrail-btn-secondary {
  display: inline-block; background: #18181b; color: #fafafa;
  padding: 0.85rem 2.2rem; border-radius: var(--radius); font-weight: 700;
  font-size: var(--fs-base); text-decoration: none; margin: 0.5rem;
  border: 1px solid #3f3f46; transition: all 0.25s ease; letter-spacing: 0.02em;
}
.iamtrail-btn-secondary:hover { background: #27272a; border-color: #52525b; transform: translateY(-2px); }
.iamtrail-note { margin-top: 1.2rem; color: #52525b; font-size: var(--fs-xs); }
.iamtrail-underscore { letter-spacing: -0.025em; }
.iamtrail-underscore::after { content: '_'; animation: blink 1.2s step-end infinite; color: var(--iamtrail-accent); }
@keyframes blink { 50% { opacity: 0; } }
@media (max-width: 600px) {
  .iamtrail-section h2 { font-size: var(--fs-xl); }
  .iamtrail-stat-value { font-size: var(--fs-2xl); }
}

/* === Blog Section === */
.blog-section { background: var(--bg-alt); padding: 60px 0 50px 0; }
.blog-link {
  display: inline-block; background: var(--accent); color: #fff;
  padding: 0.7rem 1.8rem; border-radius: var(--radius); font-weight: 600; font-size: var(--fs-base);
  text-decoration: none; transition: background 0.2s, transform 0.2s;
  letter-spacing: 0.02em;
}
.blog-link:hover { filter: brightness(1.2); transform: translateY(-2px); }

/* === Back to Top === */
.back-to-top {
  position: fixed; bottom: 2rem; right: 2rem; z-index: 999;
  background: var(--accent); color: #fff; border: none;
  border-radius: var(--radius); width: 40px; height: 40px; font-size: var(--fs-lg);
  cursor: pointer; opacity: 0; visibility: hidden;
  transition: opacity 0.3s, visibility 0.3s, transform 0.3s;
  box-shadow: 0 2px 12px rgba(0,0,0,0.15);
  display: flex; align-items: center; justify-content: center;
}
.back-to-top.visible { opacity: 1; visibility: visible; }
.back-to-top:hover { transform: translateY(-3px); }

/* === Calendly badge === */
.calendly-badge-widget { left: 1rem !important; right: auto !important; }
.calendly-badge-content { border-radius: var(--radius) !important; }

/* === Scroll-triggered Animations === */
.fade-in { opacity: 0; transform: translateY(30px); transition: opacity 0.6s ease, transform 0.6s ease; }
.fade-in.visible { opacity: 1; transform: none; }
.fade-in.d1 { transition-delay: 0.1s; }
.fade-in.d2 { transition-delay: 0.2s; }
.fade-in.d3 { transition-delay: 0.3s; }
.fade-in.d4 { transition-delay: 0.4s; }

/* === Reduced Motion === */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
  html { scroll-behavior: auto; }
  .fade-in { opacity: 1; transform: none; }
  .logo-carousel { animation: none; }
}

/* === Terminal Prompt Prefix === */
.section-heading::before {
  content: '>_ ';
  color: var(--accent);
  opacity: 0.6;
  font-weight: 400;
}

/* === Scanline Effect (dark mode only) === */
body.dark-mode::after {
  content: '';
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  pointer-events: none;
  z-index: 9998;
  background: repeating-linear-gradient(
    0deg,
    transparent,
    transparent 2px,
    rgba(0, 0, 0, 0.03) 2px,
    rgba(0, 0, 0, 0.03) 4px
  );
}

/* === Dark Mode Overrides === */
body.dark-mode .logo-carousel a img { filter: grayscale(0.5) brightness(0.7); }
body.dark-mode .github-stars { background: rgba(255,215,0,0.08); border-color: rgba(255,215,0,0.15); }
body.dark-mode .nav-links li a { color: rgba(255,255,255,0.6); }
body.dark-mode .nav-links li a:hover { color: var(--accent); }

/* === Hero === */
.hero {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
  text-align: center;
}
.hero-overlay { position: absolute; top: 0; left: 0; right: 0; bottom: 0; background: rgba(5,5,10,0.78); }
.hero-bg {
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  z-index: 0;
}
.hero-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.hero-content {
  position: relative;
  z-index: 1;
  color: #fff;
  padding: 2rem;
  animation: fadeInUp 1.2s cubic-bezier(0.23, 1.01, 0.32, 1) both;
}
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(40px); }
  to { opacity: 1; transform: none; }
}
.hero-prompt {
  color: var(--accent);
  opacity: 0.7;
  font-weight: 400;
  margin-right: 0.3rem;
}
.hero-title {
  font-size: var(--fs-4xl);
  font-weight: 700;
  margin: 0 0 1.2rem 0;
  letter-spacing: -0.02em;
  line-height: var(--lh-tight);
}
.hero-subtitle {
  display: block;
  font-size: var(--fs-xl);
  font-weight: 400;
  margin-top: 1rem;
  color: var(--accent);
  opacity: 1;
  line-height: var(--lh-normal);
  letter-spacing: 0.04em;
}
.hero-tagline {
  font-size: var(--fs-sm);
  color: rgba(255, 255, 255, 0.55);
  margin: 0.8rem auto 2.5rem auto;
  line-height: var(--lh-relaxed);
  font-weight: 400;
  letter-spacing: 0.01em;
  white-space: nowrap;
}
.hero-btn {
  background: var(--accent);
  color: #fff;
  border: 2px solid var(--accent);
  padding: 1rem 2.4rem;
  border-radius: var(--radius);
  font-size: var(--fs-base);
  font-weight: 700;
  transition: background 0.2s, color 0.2s, box-shadow 0.2s;
  cursor: pointer;
  font-family: var(--font-mono);
  letter-spacing: 0.03em;
  text-transform: uppercase;
}
.hero-btn:hover {
  background: transparent;
  color: #fff;
  box-shadow: 0 0 20px var(--accent-glow);
}

/* === About Me === */
#about-me {
  padding: 80px 0 50px 0;
  background: var(--bg-alt);
}
.about-grid {
  display: flex;
  gap: 3rem;
  align-items: flex-start;
  max-width: 900px;
  margin: 0 auto;
}
.about-left {
  flex-shrink: 0;
  text-align: center;
  min-width: 160px;
}
.about-right {
  flex: 1;
  text-align: left;
}
#about-me .profile-img {
  width: 120px;
  height: 120px;
  border-radius: var(--radius-lg);
  object-fit: cover;
  margin-bottom: 1.2rem;
  border: 2px solid var(--accent);
  box-shadow: 0 0 20px var(--accent-glow);
}
#about-me h2 {
  font-size: var(--fs-2xl);
  font-weight: 700;
  margin: 0 0 1.2rem 0;
  line-height: var(--lh-tight);
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}
#about-me h2::before {
  content: '>_ ';
  opacity: 0.6;
  font-weight: 400;
}
.about-facts {
  list-style: none;
  padding: 0;
  margin: 0 0 1.5rem 0;
}
.about-facts li {
  padding: 0.55rem 0;
  border-bottom: 1px solid var(--border);
  font-size: var(--fs-sm);
  color: var(--text-muted);
  line-height: var(--lh-normal);
}
.about-facts li:last-child { border-bottom: none; }
.fact-label {
  display: inline-block;
  color: var(--accent);
  font-weight: 700;
  min-width: 100px;
  font-size: var(--fs-xs);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
.fact-label::before { content: '# '; opacity: 0.5; }
#about-me .skills {
  display: flex;
  gap: 0.6rem;
  flex-wrap: wrap;
}
#about-me .skill {
  background: var(--card-bg);
  border-radius: var(--radius);
  border: 1px solid var(--border);
  padding: 0.4rem 0.9rem;
  font-weight: 600;
  color: var(--accent);
  font-size: var(--fs-xs);
  transition: background 0.2s, color 0.2s, border-color 0.2s;
  letter-spacing: 0.02em;
}
#about-me .skill:hover {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
}
@media (max-width: 700px) {
  .about-grid {
    flex-direction: column;
    align-items: center;
    text-align: center;
  }
  .about-right { text-align: center; }
  .about-facts li { text-align: left; }
  #about-me .skills { justify-content: center; }
}

/* === Responsive === */
@media (max-width: 600px) {
  .hero-title { font-size: var(--fs-2xl); }
  .hero-tagline { white-space: normal; }
  #about-me h2 { font-size: var(--fs-xl); }
  .section-heading { font-size: var(--fs-2xl); }
}