:root {
  --brand-primary: #0b3c6e;
  --brand-accent: #f39c12;
  --text-heading: #1f2937;
  --text-body: #4b5563;
  --surface: #ffffff;
  --surface-alt: #f3f4f6;
  --line: #e5e7eb;
  --shadow: 0 10px 30px rgba(0,0,0,0.08);
  --radius: 14px;
}

* { box-sizing: border-box; }
html, body { height: 100%; }
body {
  margin: 0;
  font-family: 'Lato', system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  color: var(--text-body);
  background: radial-gradient(1200px 600px at 80% -100px, rgba(11,60,110,0.07), rgba(0,0,0,0) 60%), #fff;
}

.container {
  width: min(1140px, 92%);
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  background: rgba(255,255,255,0.9);
  backdrop-filter: saturate(140%) blur(10px);
  border-bottom: 1px solid var(--line);
  z-index: 20;
}
.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
}
.brand { display: flex; align-items: center; gap: 12px; }
.logo img { display: block; height: 28px; width: auto; border-radius: 4px; }
.brand-text { display: flex; flex-direction: column; line-height: 1.1; }
.brand-name { font-family: 'Montserrat', sans-serif; font-weight: 700; color: var(--text-heading); }
.brand-tag { font-size: 12px; color: #6b7280; }

.nav-links { display: flex; gap: 22px; }
.nav-links a { color: var(--text-heading); text-decoration: none; font-weight: 600; }
.nav-links a:hover { color: var(--brand-primary); }
.nav-toggle { display: none; font-size: 22px; background: none; border: none; }

.section { padding: 80px 0; }
.section-alt { background: var(--surface-alt); }
.section-title {
  font-family: 'Montserrat', sans-serif;
  color: var(--text-heading);
  font-size: clamp(24px, 3vw, 34px);
  margin: 0 0 24px 0;
}

.hero { padding: 100px 0 80px; position: relative; }
.hero-inner { display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 40px; align-items: center; }
.hero-copy h1 {
  font-family: 'Montserrat', sans-serif;
  color: var(--text-heading);
  font-size: clamp(32px, 5.2vw, 52px);
  line-height: 1.1;
  margin: 0 0 14px 0;
}
.hero-copy p { font-size: 18px; margin: 0 0 24px 0; }
.hero-actions { display: flex; gap: 12px; margin-bottom: 14px; }
.btn { display: inline-flex; align-items: center; justify-content: center; padding: 12px 18px; border-radius: 12px; border: 1px solid var(--line); text-decoration: none; font-weight: 700; }
.btn-primary { background: var(--brand-primary); color: #fff; border-color: var(--brand-primary); }
.btn-ghost { background: #fff; color: var(--text-heading); }
.btn:hover { transform: translateY(-1px); box-shadow: var(--shadow); }
.hero-highlights { display: flex; gap: 12px; padding: 0; margin: 10px 0 0 0; list-style: none; flex-wrap: wrap; }
.hero-highlights li { background: #fff; border: 1px solid var(--line); padding: 8px 12px; border-radius: 999px; font-size: 13px; }

.hero-art { position: relative; height: 360px; }
.orb { position: absolute; border-radius: 50%; filter: blur(4px); opacity: 0.75; }
.orb-1 { width: 180px; height: 180px; right: 40px; top: 10px; background: radial-gradient(circle at 30% 30%, #fef3c7, #f59e0b); }
.orb-2 { width: 140px; height: 140px; left: 10px; bottom: 0; background: radial-gradient(circle at 30% 30%, #93c5fd, #0b3c6e); opacity: 0.6; }
.grid-card { position: absolute; right: 0; bottom: 0; background: #fff; border: 1px solid var(--line); border-radius: var(--radius); width: 88%; height: 70%; box-shadow: var(--shadow); overflow: hidden; }
/* Carousel styles */
.carousel { display: grid; grid-template-rows: 1fr auto; }
.carousel-track { display: flex; height: 100%; transition: transform 600ms ease; }
.carousel-track img { width: 100%; height: 100%; object-fit: cover; object-position: center; flex: 0 0 100%; background: transparent; display: block; }
.carousel-dots { display: flex; gap: 8px; justify-content: center; padding: 8px 0; background: linear-gradient(180deg, rgba(255,255,255,0), rgba(255,255,255,0.9)); }
.carousel-dots button { width: 8px; height: 8px; border-radius: 50%; border: 1px solid var(--brand-primary); background: transparent; padding: 0; cursor: pointer; }
.carousel-dots button.active { background: var(--brand-primary); }

.cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 22px; box-shadow: var(--shadow); }
.card h3 { margin: 8px 0 10px 0; color: var(--text-heading); font-family: 'Montserrat', sans-serif; }
.card ul { margin: 0; padding-left: 18px; }
.card-icon { width: 40px; height: 40px; border-radius: 12px; display: grid; place-items: center; background: rgba(243,156,18,0.1); color: var(--brand-accent); font-size: 20px; }

.about { display: grid; grid-template-columns: 1.2fr 0.8fr; gap: 32px; align-items: start; }
.about .bullets { margin: 14px 0 0 0; padding-left: 18px; }
.about-media { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.stat { background: #fff; border: 1px solid var(--line); border-radius: 12px; padding: 16px; text-align: center; box-shadow: var(--shadow); }
.stat-number { font-family: 'Montserrat', sans-serif; color: var(--brand-primary); font-size: 22px; font-weight: 700; }
.stat-label { font-size: 12px; color: #6b7280; }

.contact-grid { display: grid; grid-template-columns: 0.9fr 1.1fr; gap: 26px; }
.contact-info h3 { margin: 0 0 8px 0; font-family: 'Montserrat', sans-serif; color: var(--text-heading); }
.contact-info a { color: var(--brand-primary); text-decoration: none; }
.contact-form { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 20px; box-shadow: var(--shadow); }
.form-row { display: grid; gap: 6px; margin-bottom: 12px; }
label { font-size: 13px; color: #6b7280; }
input, textarea { padding: 12px; border-radius: 10px; border: 1px solid var(--line); font: inherit; }
input:focus, textarea:focus { outline: 2px solid rgba(11,60,110,0.2); border-color: var(--brand-primary); }
.form-actions { margin-top: 6px; }
.form-note { font-size: 12px; color: #6b7280; margin: 8px 0 0 0; }

.site-footer { border-top: 1px solid var(--line); background: #fff; }
.footer-inner { display: flex; align-items: center; justify-content: space-between; height: 64px; color: #6b7280; font-size: 14px; }

.back-to-top { position: fixed; right: 16px; bottom: 16px; width: 42px; height: 42px; border-radius: 50%; background: var(--brand-primary); color: #fff; border: none; box-shadow: var(--shadow); display: none; align-items: center; justify-content: center; cursor: pointer; }
.back-to-top.show { display: grid; }

/* Responsive */
@media (max-width: 980px) {
  .hero-inner { grid-template-columns: 1fr; }
  .hero-art { order: -1; height: 220px; }
  .cards { grid-template-columns: repeat(2, 1fr); }
  .about { grid-template-columns: 1fr; }
  .about-media { grid-template-columns: repeat(3, 1fr); }
  .contact-grid { grid-template-columns: 1fr; }
}

@media (max-width: 720px) {
  .nav-links { position: absolute; top: 68px; right: 0; background: #fff; border-left: 1px solid var(--line); border-bottom: 1px solid var(--line); padding: 12px 16px; display: none; flex-direction: column; gap: 12px; width: min(240px, 70vw); }
  .nav-toggle { display: inline-block; }
  .nav-links.show { display: flex; }
  .cards { grid-template-columns: 1fr; }
}