:root {
  --bg: #0c0a09;
  --bg-elevated: #1c1917;
  --bg-card: #292524;
  --text: #fafaf9;
  --text-muted: #a8a29e;
  --accent: #ff6b4a;
  --accent-2: #ff8f6b;
  --accent-3: #fbbf24;
  --border: rgba(255, 107, 74, 0.18);
  --shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.55);
  --radius: 16px;
  --font: 'Inter', system-ui, -apple-system, sans-serif;
  --display: 'Space Grotesk', 'Inter', sans-serif;
  --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

[data-theme="light"] {
  --bg: #fafaf9;
  --bg-elevated: #ffffff;
  --bg-card: #ffffff;
  --text: #1c1917;
  --text-muted: #78716c;
  --accent: #e85d3a;
  --accent-2: #ff6b4a;
  --accent-3: #d97706;
  --border: rgba(232, 93, 58, 0.15);
  --shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.12);
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

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

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  overflow-x: hidden;
  transition: background var(--transition), color var(--transition);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; height: auto; display: block; }
button, input, textarea, select { font: inherit; color: inherit; }

.skip-link {
  position: absolute; top: -100px; left: 16px;
  background: var(--accent); color: #0c0a09;
  padding: 12px 20px; border-radius: 8px; font-weight: 600; z-index: 10000;
  transition: top 0.2s;
}
.skip-link:focus { top: 16px; outline: 3px solid var(--accent-2); }

.container { width: min(1200px, 92%); margin-inline: auto; }
.section { padding: 100px 0; }

.section-header { text-align: center; max-width: 720px; margin: 0 auto 60px; }
.section-header h2 {
  font-family: var(--display); font-size: clamp(2rem, 5vw, 2.75rem);
  font-weight: 700; letter-spacing: -0.03em; margin-bottom: 16px;
}
.section-header p { color: var(--text-muted); font-size: 1.125rem; }

.badge {
  display: inline-flex; align-items: center; gap: 8px;
  background: rgba(255, 107, 74, 0.14); color: var(--accent);
  font-size: 0.8rem; font-weight: 600; padding: 6px 14px;
  border-radius: 999px; letter-spacing: 0.04em; text-transform: uppercase; margin-bottom: 16px;
}

.logo {
  display: flex; align-items: center; gap: 12px;
  font-family: var(--display); font-weight: 700; font-size: 1.35rem; letter-spacing: -0.02em;
}
.logo-img {
  width: 42px; height: 42px; border-radius: 12px; object-fit: contain;
  box-shadow: 0 4px 14px rgba(255, 107, 74, 0.35);
}
.logo-img-lg {
  width: 120px; height: 120px; border-radius: 24px; margin: 0 auto 20px;
  box-shadow: 0 12px 32px rgba(255, 107, 74, 0.3);
}

.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  background: color-mix(in srgb, var(--bg) 88%, transparent);
  backdrop-filter: blur(16px); border-bottom: 1px solid var(--border);
}
.nav-inner { display: flex; align-items: center; justify-content: space-between; height: 72px; }
.nav-links { display: flex; align-items: center; gap: 4px; list-style: none; }
.nav-links > li { position: relative; }
.nav-links a {
  padding: 8px 14px; border-radius: 8px; font-weight: 500; font-size: 0.95rem;
  color: var(--text-muted); transition: color var(--transition), background var(--transition); display: block;
}
.nav-links a:hover, .nav-links a:focus-visible, .nav-links a.active {
  color: var(--text); background: rgba(255, 107, 74, 0.12);
}
.has-dropdown { position: relative; }
.dropdown {
  position: absolute; top: 100%; left: 0; min-width: 210px;
  background: var(--bg-elevated); border: 1px solid var(--border); border-radius: 12px; padding: 8px;
  opacity: 0; visibility: hidden; transform: translateY(8px);
  transition: opacity 0.2s, transform 0.2s, visibility 0.2s; box-shadow: var(--shadow); z-index: 100;
}
.has-dropdown:hover .dropdown, .has-dropdown:focus-within .dropdown {
  opacity: 1; visibility: visible; transform: translateY(0);
}
.dropdown a { padding: 10px 14px; border-radius: 8px; font-size: 0.9rem; white-space: nowrap; }
.nav-actions { display: flex; align-items: center; gap: 12px; }
.theme-toggle, .menu-toggle {
  width: 42px; height: 42px; border-radius: 10px; border: 1px solid var(--border);
  background: var(--bg-elevated); cursor: pointer; display: grid; place-items: center;
}
.theme-toggle:hover, .menu-toggle:hover { border-color: var(--accent); }
.menu-toggle { display: none; }

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 12px 22px; border-radius: 12px; font-weight: 600; font-size: 0.95rem;
  border: none; cursor: pointer; transition: transform 0.2s, box-shadow 0.2s, background 0.2s;
}
.btn:active { transform: scale(0.97); }
.btn-primary {
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: #0c0a09; box-shadow: 0 8px 24px rgba(255, 107, 74, 0.35);
}
.btn-primary:hover { box-shadow: 0 12px 32px rgba(255, 107, 74, 0.45); transform: translateY(-1px); }
.btn-ghost { background: transparent; border: 1px solid var(--border); color: var(--text); }
.btn-ghost:hover { border-color: var(--accent); background: rgba(255, 107, 74, 0.1); }
.btn-sm { padding: 8px 16px; font-size: 0.875rem; }

.hero {
  min-height: 100vh; display: flex; align-items: center; position: relative; overflow: hidden; padding-top: 72px;
}
.hero-bg {
  position: absolute; inset: 0;
  background:
    radial-gradient(ellipse 80% 60% at 50% -20%, rgba(255, 107, 74, 0.22), transparent),
    radial-gradient(ellipse 60% 50% at 80% 50%, rgba(255, 143, 107, 0.12), transparent),
    radial-gradient(ellipse 50% 40% at 20% 80%, rgba(251, 191, 36, 0.08), transparent);
  pointer-events: none;
}
.hero-grid {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(255, 107, 74, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 107, 74, 0.04) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse 70% 60% at 50% 40%, black, transparent);
  pointer-events: none;
}
.hero-content { position: relative; z-index: 2; max-width: 780px; }
.hero h1 {
  font-family: var(--display); font-size: clamp(2.75rem, 7vw, 4.5rem);
  font-weight: 700; line-height: 1.08; letter-spacing: -0.04em; margin-bottom: 24px;
}
.hero h1 span {
  background: linear-gradient(135deg, var(--accent), var(--accent-2), var(--accent-3));
  -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
}
.hero-lead { font-size: 1.25rem; color: var(--text-muted); max-width: 560px; margin-bottom: 36px; }
.hero-cta { display: flex; flex-wrap: wrap; gap: 14px; margin-bottom: 48px; }
.hero-meta { display: flex; flex-wrap: wrap; gap: 28px; color: var(--text-muted); font-size: 0.95rem; }
.hero-meta strong { color: var(--text); font-weight: 600; }

.particles { position: absolute; inset: 0; overflow: hidden; pointer-events: none; z-index: 1; }
.particle {
  position: absolute; width: 6px; height: 6px; border-radius: 50%; background: var(--accent);
  opacity: 0.4; animation: float 12s infinite ease-in-out;
}
@keyframes float {
  0%, 100% { transform: translateY(0) translateX(0); opacity: 0.3; }
  50% { transform: translateY(-80px) translateX(20px); opacity: 0.7; }
}

.page-hero { padding: 140px 0 80px; position: relative; overflow: hidden; }
.page-hero .hero-bg {
  position: absolute; inset: 0;
  background: radial-gradient(ellipse 70% 50% at 50% 0%, rgba(255, 107, 74, 0.14), transparent);
  pointer-events: none;
}
.page-hero h1 {
  font-family: var(--display); font-size: clamp(2.25rem, 5vw, 3.25rem);
  font-weight: 700; letter-spacing: -0.03em; margin-bottom: 16px;
}
.page-hero .lead { font-size: 1.2rem; color: var(--text-muted); max-width: 640px; }

.stats { background: var(--bg-elevated); border-block: 1px solid var(--border); }
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; text-align: center; }
.stat-value {
  font-family: var(--display); font-size: clamp(2rem, 4vw, 2.75rem);
  font-weight: 700; color: var(--accent); letter-spacing: -0.03em;
}
.stat-label { color: var(--text-muted); font-size: 0.95rem; margin-top: 4px; }

.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 24px; }
.card {
  background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 32px; transition: transform 0.3s, box-shadow 0.3s, border-color 0.3s;
  height: 100%; display: flex; flex-direction: column;
}
.card:hover {
  transform: translateY(-6px); box-shadow: var(--shadow);
  border-color: color-mix(in srgb, var(--accent) 45%, var(--border));
}
.card-icon {
  width: 52px; height: 52px; border-radius: 14px; display: grid; place-items: center;
  font-size: 1.5rem; margin-bottom: 20px;
  background: linear-gradient(135deg, rgba(255, 107, 74, 0.18), rgba(255, 143, 107, 0.12));
}
.card h3 { font-family: var(--display); font-size: 1.25rem; margin-bottom: 10px; }
.card p { color: var(--text-muted); font-size: 0.975rem; flex-grow: 1; }
.card .card-link { margin-top: 20px; color: var(--accent); font-weight: 600; font-size: 0.95rem; }

.project-card {
  display: grid; grid-template-columns: 1fr 1.2fr; gap: 40px; align-items: center;
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: calc(var(--radius) + 4px); overflow: hidden; margin-bottom: 32px;
}
.project-card:nth-child(even) { grid-template-columns: 1.2fr 1fr; }
.project-card:nth-child(even) .project-visual { order: 2; }
.project-visual {
  aspect-ratio: 16/11; background: linear-gradient(145deg, #292524, #1c1917);
  display: grid; place-items: center; position: relative; overflow: hidden;
}
.project-visual::before {
  content: ''; position: absolute; inset: 0;
  background: radial-gradient(circle at 30% 40%, rgba(255, 107, 74, 0.28), transparent 60%);
}
.project-badge {
  position: absolute; top: 16px; left: 16px; background: rgba(12, 10, 9, 0.85);
  backdrop-filter: blur(8px); padding: 6px 12px; border-radius: 8px;
  font-size: 0.8rem; font-weight: 600; z-index: 2;
}
.project-content { padding: 40px; }
.project-content h3 { font-family: var(--display); font-size: 1.75rem; margin-bottom: 8px; }
.project-content .tag { display: inline-block; font-size: 0.8rem; font-weight: 600; color: var(--accent); margin-bottom: 16px; }
.project-content p { color: var(--text-muted); margin-bottom: 24px; }

.about-grid { display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 60px; align-items: center; }
.about-text h2 {
  font-family: var(--display); font-size: clamp(1.9rem, 4vw, 2.5rem);
  letter-spacing: -0.03em; margin-bottom: 20px;
}
.about-text p { color: var(--text-muted); margin-bottom: 16px; }
.values { display: grid; gap: 16px; margin-top: 28px; }
.value-item { display: flex; gap: 14px; align-items: flex-start; }
.value-icon {
  width: 36px; height: 36px; border-radius: 10px; background: rgba(255, 107, 74, 0.14);
  display: grid; place-items: center; flex-shrink: 0; color: var(--accent);
}
.about-visual {
  background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius); padding: 32px;
}
.ceo-card { text-align: center; }
.ceo-card h3 { font-family: var(--display); font-size: 1.35rem; margin-bottom: 4px; }
.ceo-card .role { color: var(--accent); font-weight: 600; font-size: 0.95rem; margin-bottom: 16px; }
.ceo-card p { color: var(--text-muted); font-size: 0.95rem; }

.service-detail { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: start; }
.service-detail .content h2 { font-family: var(--display); font-size: 1.75rem; margin-bottom: 16px; }
.service-detail .content p { color: var(--text-muted); margin-bottom: 16px; }
.feature-list { list-style: none; display: grid; gap: 12px; margin: 24px 0; }
.feature-list li { display: flex; align-items: flex-start; gap: 12px; color: var(--text-muted); }
.feature-list li::before { content: '✓'; color: var(--accent); font-weight: 700; flex-shrink: 0; }
.service-cta {
  background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 32px; position: sticky; top: 100px;
}
.service-cta h3 { font-family: var(--display); margin-bottom: 12px; }
.service-cta p { color: var(--text-muted); margin-bottom: 20px; }

.accordion { display: grid; gap: 12px; }
.accordion-item { background: var(--bg-card); border: 1px solid var(--border); border-radius: 12px; overflow: hidden; }
.accordion-btn {
  width: 100%; text-align: left; padding: 18px 22px; background: transparent; border: none;
  cursor: pointer; font-weight: 600; font-size: 1.05rem; display: flex;
  justify-content: space-between; align-items: center; color: var(--text);
}
.accordion-btn:hover { background: rgba(255, 107, 74, 0.06); }
.accordion-btn .icon { transition: transform 0.25s; color: var(--accent); }
.accordion-item.open .accordion-btn .icon { transform: rotate(45deg); }
.accordion-panel { max-height: 0; overflow: hidden; transition: max-height 0.35s ease; }
.accordion-item.open .accordion-panel { max-height: 500px; }
.accordion-panel-inner { padding: 0 22px 20px; color: var(--text-muted); }

.tabs { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 28px; border-bottom: 1px solid var(--border); padding-bottom: 12px; }
.tab-btn {
  padding: 10px 18px; border-radius: 10px; border: 1px solid transparent; background: transparent;
  cursor: pointer; font-weight: 500; color: var(--text-muted); transition: all 0.2s;
}
.tab-btn:hover { color: var(--text); background: rgba(255, 107, 74, 0.08); }
.tab-btn.active { color: var(--text); background: rgba(255, 107, 74, 0.14); border-color: var(--border); }
.tab-panel { display: none; }
.tab-panel.active { display: block; animation: fadeIn 0.3s ease; }
@keyframes fadeIn { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: translateY(0); } }

.game-wrap {
  background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius); padding: 24px; margin-top: 24px;
}
.game-wrap h3 { font-family: var(--display); margin-bottom: 8px; }
.game-wrap > p { color: var(--text-muted); margin-bottom: 16px; }
#dashCanvas {
  width: 100%; max-width: 800px; height: auto; aspect-ratio: 16/9;
  background: #0c0a09; border-radius: 12px; display: block; margin: 0 auto;
  border: 1px solid var(--border); cursor: pointer; touch-action: none;
}
.game-ui { display: flex; flex-wrap: wrap; gap: 16px; justify-content: center; margin-top: 16px; align-items: center; }
.game-score { font-family: var(--display); font-size: 1.25rem; font-weight: 700; color: var(--accent); }

.demo-panel {
  background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius); padding: 32px; margin-top: 24px;
}
.demo-panel h3 { font-family: var(--display); margin-bottom: 8px; }
.demo-panel > p { color: var(--text-muted); margin-bottom: 24px; }
.synth { display: grid; grid-template-columns: repeat(auto-fit, minmax(60px, 1fr)); gap: 10px; margin-bottom: 20px; }
.key {
  aspect-ratio: 1; border-radius: 12px; border: 1px solid var(--border); background: var(--bg-elevated);
  cursor: pointer; font-weight: 600; font-size: 0.85rem;
  transition: background 0.15s, transform 0.1s, box-shadow 0.15s; color: var(--text);
}
.key:hover, .key:focus-visible { background: rgba(255, 107, 74, 0.18); border-color: var(--accent); outline: none; }
.key:active, .key.playing {
  background: linear-gradient(135deg, var(--accent), var(--accent-2)); color: #0c0a09;
  transform: scale(0.95); box-shadow: 0 0 20px rgba(255, 107, 74, 0.45);
}
.synth-controls { display: flex; flex-wrap: wrap; gap: 16px; align-items: center; }
.synth-controls label { display: flex; align-items: center; gap: 8px; font-size: 0.9rem; color: var(--text-muted); }

.contact-grid { display: grid; grid-template-columns: 1fr 1.2fr; gap: 48px; }
.contact-info h3 { font-family: var(--display); font-size: 1.5rem; margin-bottom: 16px; }
.contact-info p { color: var(--text-muted); margin-bottom: 28px; }
.contact-list { list-style: none; display: grid; gap: 16px; }
.contact-list li { display: flex; align-items: flex-start; gap: 14px; }
.contact-list .icon {
  width: 40px; height: 40px; border-radius: 10px; background: rgba(255, 107, 74, 0.14);
  display: grid; place-items: center; flex-shrink: 0; color: var(--accent);
}
.contact-form { background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius); padding: 36px; }
.form-group { margin-bottom: 20px; }
.form-group label { display: block; font-weight: 500; font-size: 0.9rem; margin-bottom: 8px; }
.form-group input, .form-group textarea, .form-group select {
  width: 100%; padding: 12px 16px; border-radius: 10px; border: 1px solid var(--border);
  background: var(--bg); transition: border-color 0.2s, box-shadow 0.2s;
}
.form-group input:focus, .form-group textarea:focus, .form-group select:focus {
  outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px rgba(255, 107, 74, 0.22);
}
.form-group textarea { min-height: 120px; resize: vertical; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-message { padding: 12px 16px; border-radius: 10px; margin-bottom: 16px; font-size: 0.95rem; display: none; }
.form-message.success {
  background: rgba(52, 211, 153, 0.15); color: #34d399;
  border: 1px solid rgba(52, 211, 153, 0.3); display: block;
}
.form-message.error {
  background: rgba(248, 113, 113, 0.12); color: #f87171;
  border: 1px solid rgba(248, 113, 113, 0.3); display: block;
}

.a11y-bar { background: var(--bg-elevated); border-top: 1px solid var(--border); padding: 16px 0; }
.a11y-inner {
  display: flex; flex-wrap: wrap; gap: 16px; align-items: center;
  justify-content: space-between; font-size: 0.9rem; color: var(--text-muted);
}
.a11y-controls { display: flex; gap: 10px; flex-wrap: wrap; }
.a11y-btn {
  padding: 6px 12px; border-radius: 8px; border: 1px solid var(--border);
  background: var(--bg); cursor: pointer; font-size: 0.85rem;
}
.a11y-btn:hover, .a11y-btn.active { border-color: var(--accent); background: rgba(255, 107, 74, 0.12); }

footer {
  background: var(--bg-elevated); border-top: 1px solid var(--border);
  padding: 60px 0 30px; margin-top: auto;
}
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 40px; margin-bottom: 48px; }
.footer-brand p { color: var(--text-muted); margin-top: 16px; max-width: 280px; font-size: 0.95rem; }
.footer-col h4 { font-family: var(--display); font-size: 1rem; margin-bottom: 16px; }
.footer-col ul { list-style: none; display: grid; gap: 10px; }
.footer-col a { color: var(--text-muted); font-size: 0.95rem; transition: color 0.2s; }
.footer-col a:hover { color: var(--accent); }
.footer-bottom {
  display: flex; flex-wrap: wrap; justify-content: space-between; gap: 16px;
  padding-top: 28px; border-top: 1px solid var(--border); color: var(--text-muted); font-size: 0.9rem;
}

.mobile-menu {
  position: fixed; inset: 72px 0 0 0; background: var(--bg); z-index: 999; padding: 24px;
  transform: translateX(100%); transition: transform 0.3s ease;
  display: flex; flex-direction: column; gap: 4px; overflow-y: auto;
}
.mobile-menu.open { transform: translateX(0); }
.mobile-menu a { padding: 14px 16px; border-radius: 10px; font-weight: 500; font-size: 1.05rem; }
.mobile-menu a:hover { background: rgba(255, 107, 74, 0.1); }
.mobile-menu .sub { padding-left: 28px; font-size: 0.95rem; color: var(--text-muted); }
.mobile-menu .section-label {
  padding: 12px 16px 6px; font-size: 0.75rem; font-weight: 600;
  text-transform: uppercase; letter-spacing: 0.06em; color: var(--text-muted); margin-top: 8px;
}

.reveal { opacity: 0; transform: translateY(30px); transition: opacity 0.7s ease, transform 0.7s ease; }
.reveal.visible { opacity: 1; transform: translateY(0); }

[data-contrast="high"] {
  --bg: #000; --bg-elevated: #0a0a0a; --bg-card: #111; --text: #fff; --text-muted: #e0e0e0;
  --border: #fff; --accent: #ff6b4a; --accent-2: #ffb4a2; --accent-3: #fbbf24;
}
[data-font-size="large"] { font-size: 112.5%; }
[data-font-size="xlarge"] { font-size: 125%; }

.breadcrumb {
  display: flex; flex-wrap: wrap; gap: 8px; align-items: center;
  font-size: 0.9rem; color: var(--text-muted); margin-bottom: 24px;
}
.breadcrumb a:hover { color: var(--accent); }
.breadcrumb span { opacity: 0.5; }

@media (max-width: 900px) {
  .nav-links { display: none; }
  .menu-toggle { display: grid; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .about-grid, .contact-grid, .project-card, .project-card:nth-child(even), .service-detail {
    grid-template-columns: 1fr;
  }
  .project-card:nth-child(even) .project-visual { order: 0; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .service-cta { position: static; }
}
@media (max-width: 560px) {
  .stats-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .hero-cta { flex-direction: column; }
  .hero-cta .btn { width: 100%; }
}