/* ===== THERON DIGITAL — Design System ===== */

/* --- Tokens --- */
:root {
  --bg-primary: #0a0a0f;
  --bg-secondary: #12121a;
  --bg-card: #1a1a26;
  --bg-card-hover: #222233;
  --accent: #4f8cff;
  --accent-glow: rgba(79, 140, 255, .15);
  --accent-light: #7aadff;
  --text-primary: #e8e8ed;
  --text-secondary: #9a9aad;
  --text-muted: #6b6b7f;
  --border: rgba(255, 255, 255, .06);
  --border-accent: rgba(79, 140, 255, .25);
  --radius: 12px;
  --max-w: 1140px;
  --transition: .3s ease;
  --font: 'Inter', system-ui, -apple-system, sans-serif;
}

/* --- Reset --- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }

body {
  font-family: var(--font);
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--accent); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--accent-light); }
img { max-width: 100%; display: block; }
ul { list-style: none; }

/* --- Utility --- */
.container { width: 100%; max-width: var(--max-w); margin: 0 auto; padding: 0 24px; }
.section { padding: 100px 0; }
.section-label {
  font-size: .75rem;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 12px;
}
.section-title {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  font-weight: 700;
  line-height: 1.25;
  margin-bottom: 20px;
}
.section-subtitle {
  color: var(--text-secondary);
  font-size: 1.05rem;
  max-width: 620px;
}
.text-center { text-align: center; }
.mx-auto { margin-left: auto; margin-right: auto; }

/* --- Header / Nav --- */
.header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  background: rgba(10, 10, 15, .85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}
.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}
.logo {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: -.5px;
}
.logo span { color: var(--accent); }
.nav-links { display: flex; gap: 32px; }
.nav-links a {
  color: var(--text-secondary);
  font-size: .9rem;
  font-weight: 500;
  position: relative;
  padding-bottom: 4px;
}
.nav-links a::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0;
  width: 0; height: 2px;
  background: var(--accent);
  transition: width var(--transition);
}
.nav-links a:hover,
.nav-links a.active { color: var(--text-primary); }
.nav-links a:hover::after,
.nav-links a.active::after { width: 100%; }

/* Hamburger */
.menu-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}
.menu-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text-primary);
  border-radius: 2px;
  transition: var(--transition);
}

/* --- Hero --- */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  padding-top: 72px;
}
.hero::before {
  content: '';
  position: absolute;
  top: -40%; right: -20%;
  width: 700px; height: 700px;
  background: radial-gradient(circle, var(--accent-glow) 0%, transparent 70%);
  pointer-events: none;
}
.hero-content { position: relative; z-index: 1; max-width: 680px; }
.hero-label {
  display: inline-block;
  font-size: .8rem;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--accent);
  background: var(--accent-glow);
  padding: 6px 16px;
  border-radius: 100px;
  margin-bottom: 28px;
}
.hero h1 {
  font-size: clamp(2.25rem, 5.5vw, 3.5rem);
  font-weight: 800;
  line-height: 1.15;
  margin-bottom: 24px;
}
.hero h1 em {
  font-style: normal;
  background: linear-gradient(135deg, var(--accent), var(--accent-light));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hero p {
  color: var(--text-secondary);
  font-size: 1.15rem;
  margin-bottom: 40px;
  max-width: 540px;
}
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 32px;
  border-radius: 8px;
  font-size: .95rem;
  font-weight: 600;
  transition: all var(--transition);
  border: none;
  cursor: pointer;
}
.btn-primary {
  background: var(--accent);
  color: #fff;
}
.btn-primary:hover {
  background: var(--accent-light);
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(79, 140, 255, .25);
}
.btn-outline {
  background: transparent;
  color: var(--accent);
  border: 1px solid var(--border-accent);
}
.btn-outline:hover {
  background: var(--accent-glow);
  color: var(--accent-light);
}
.hero-buttons { display: flex; gap: 16px; flex-wrap: wrap; }

/* --- Cards Grid --- */
.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 24px;
}
.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 36px 32px;
  transition: all var(--transition);
}
.card:hover {
  background: var(--bg-card-hover);
  border-color: var(--border-accent);
  transform: translateY(-4px);
}
.card-icon {
  width: 48px; height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--accent-glow);
  border-radius: 10px;
  margin-bottom: 20px;
  font-size: 1.4rem;
}
.card h3 {
  font-size: 1.15rem;
  font-weight: 600;
  margin-bottom: 10px;
}
.card p {
  color: var(--text-secondary);
  font-size: .92rem;
}

/* --- Stats --- */
.stats-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 24px;
  padding: 48px 0;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  margin-top: 60px;
}
.stat { text-align: center; }
.stat-number {
  font-size: 2rem;
  font-weight: 800;
  color: var(--accent);
}
.stat-label {
  font-size: .85rem;
  color: var(--text-secondary);
  margin-top: 4px;
}

/* --- About page --- */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}
.about-text p {
  color: var(--text-secondary);
  margin-bottom: 16px;
}
.about-text p:first-of-type { font-size: 1.05rem; }
.value-list { margin-top: 28px; display: flex; flex-direction: column; gap: 16px; }
.value-item {
  display: flex;
  gap: 14px;
  align-items: flex-start;
}
.value-dot {
  min-width: 10px; height: 10px;
  background: var(--accent);
  border-radius: 50%;
  margin-top: 8px;
}
.value-item h4 { font-size: 1rem; margin-bottom: 2px; }
.value-item p { color: var(--text-secondary); font-size: .88rem; }

.about-visual {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 48px 40px;
  text-align: center;
}
.about-visual .big-letter {
  font-size: 5rem;
  font-weight: 800;
  background: linear-gradient(135deg, var(--accent), var(--accent-light));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
  margin-bottom: 16px;
}
.about-visual p {
  color: var(--text-secondary);
  font-size: .95rem;
}

/* --- Services --- */
.services-detail { margin-top: 60px; }
.service-block {
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: 40px;
  padding: 40px 0;
  border-bottom: 1px solid var(--border);
}
.service-block:first-child { border-top: 1px solid var(--border); }
.service-name {
  font-size: 1rem;
  font-weight: 600;
  color: var(--accent);
}
.service-desc { color: var(--text-secondary); font-size: .95rem; }
.service-desc strong { color: var(--text-primary); font-weight: 600; }

/* Tag list for markets/verticals */
.tag-list { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 24px; }
.tag {
  padding: 6px 16px;
  border: 1px solid var(--border);
  border-radius: 100px;
  font-size: .8rem;
  color: var(--text-secondary);
  transition: all var(--transition);
}
.tag:hover {
  border-color: var(--border-accent);
  color: var(--accent);
  background: var(--accent-glow);
}

/* --- Contact --- */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
}
.contact-info h3 {
  font-size: 1.2rem;
  margin-bottom: 8px;
}
.contact-info p {
  color: var(--text-secondary);
  font-size: .95rem;
  margin-bottom: 32px;
}
.contact-item {
  display: flex;
  gap: 16px;
  align-items: center;
  padding: 20px 0;
  border-bottom: 1px solid var(--border);
}
.contact-item:first-of-type { border-top: 1px solid var(--border); }
.contact-icon {
  width: 44px; height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--accent-glow);
  border-radius: 10px;
  flex-shrink: 0;
}
.contact-icon svg {
  width: 20px; height: 20px;
  fill: var(--accent);
}
.contact-item-label {
  font-size: .78rem;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: var(--text-muted);
  margin-bottom: 2px;
}
.contact-item-value { font-size: 1rem; }
.contact-item-value a { color: var(--text-primary); }
.contact-item-value a:hover { color: var(--accent); }

.contact-cta {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 48px 40px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}
.contact-cta h3 {
  font-size: 1.5rem;
  margin-bottom: 12px;
}
.contact-cta p {
  color: var(--text-secondary);
  margin-bottom: 28px;
}

/* Social row */
.social-row { display: flex; gap: 12px; margin-top: 20px; }
.social-link {
  width: 44px; height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--border);
  border-radius: 10px;
  transition: all var(--transition);
}
.social-link:hover {
  border-color: var(--border-accent);
  background: var(--accent-glow);
}
.social-link svg {
  width: 20px; height: 20px;
  fill: var(--text-secondary);
  transition: fill var(--transition);
}
.social-link:hover svg { fill: var(--accent); }

/* --- Footer --- */
.footer {
  padding: 40px 0;
  border-top: 1px solid var(--border);
}
.footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.footer p {
  font-size: .85rem;
  color: var(--text-muted);
}
.footer-links { display: flex; gap: 24px; }
.footer-links a {
  font-size: .85rem;
  color: var(--text-secondary);
}
.footer-links a:hover { color: var(--accent); }

/* --- Responsive --- */
@media (max-width: 768px) {
  .menu-toggle { display: flex; }
  .nav-links {
    position: fixed;
    top: 72px; left: 0; right: 0;
    background: var(--bg-secondary);
    flex-direction: column;
    align-items: center;
    gap: 0;
    padding: 0;
    max-height: 0;
    overflow: hidden;
    transition: max-height .4s ease;
    border-bottom: 1px solid var(--border);
  }
  .nav-links.open { max-height: 300px; }
  .nav-links a { padding: 16px 0; width: 100%; text-align: center; }

  .about-grid,
  .contact-grid { grid-template-columns: 1fr; }

  .service-block { grid-template-columns: 1fr; gap: 8px; }

  .footer-inner { flex-direction: column; gap: 16px; text-align: center; }
  .stats-row { grid-template-columns: 1fr 1fr; }
}