:root {
  --bg: #ffffff;
  --panel: #ffffff;
  --text: #111827; /* gray-900 */
  --muted: #4b5563; /* gray-600 */
  --brand: #2563eb; /* blue-600 */
  --accent: #f59e0b; /* amber-500 */
  --ok: #16a34a; /* green-600 */
  --border: #e5e7eb; /* gray-200 */
  --soft: #f9fafb; /* gray-50 */
  --shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
}

* { box-sizing: border-box; }
html, body { height: 100%; }
body {
  margin: 0;
  font-family: system-ui, -apple-system, Segoe UI, Roboto, Ubuntu, Cantarell, Noto Sans, Helvetica Neue, Arial, "Apple Color Emoji", "Segoe UI Emoji";
  color: var(--text);
  background:
    radial-gradient(1200px 800px at 20% -10%, rgba(37, 99, 235, 0.08), transparent 60%),
    radial-gradient(900px 600px at 120% 10%, rgba(245, 158, 11, 0.06), transparent 60%),
    var(--soft);
  line-height: 1.6;
}

.container { max-width: 1100px; margin: 0 auto; padding: 0 20px; }

.site-header { position: sticky; top: 0; z-index: 10; background: rgba(255,255,255,0.8); backdrop-filter: blur(8px); border-bottom: 1px solid var(--border); }
.header-inner { display: flex; align-items: center; justify-content: space-between; height: 64px; }
.logo { display: inline-flex; align-items: center; gap: 10px; color: var(--text); font-weight: 700; text-decoration: none; letter-spacing: 0.4px; }
.logo img { height: 28px; width: 28px; }

.nav { display: flex; gap: 18px; align-items: center; }
.nav a { color: var(--muted); text-decoration: none; font-weight: 600; }
.nav a:hover { color: var(--brand); }

.nav-toggle { display: none; background: none; border: 1px solid var(--border); color: var(--text); border-radius: 8px; padding: 6px 10px; }

.btn { display: inline-block; background: var(--brand); color: #ffffff; text-decoration: none; padding: 10px 16px; border-radius: 10px; font-weight: 800; box-shadow: var(--shadow); border: 1px solid rgba(0,0,0,0.02); }
.btn:hover { filter: brightness(1.06); transform: translateY(-1px); transition: 120ms ease; }
.btn-outline { background: transparent; color: var(--brand); border: 2px solid var(--brand); box-shadow: none; }
.btn-small { padding: 8px 12px; border-radius: 8px; font-weight: 700; }
/* Larger primary buttons */
.btn-lg { padding: 14px 22px; font-size: 18px; border-radius: 12px; }

.hero { padding: 72px 0 40px; background: linear-gradient(180deg, rgba(37,99,235,0.08), transparent 55%); }
.hero-inner { text-align: center; }
.hero h1 { font-size: 44px; margin: 0 0 8px; letter-spacing: 0.5px; }
.hero p { margin: 0 auto 18px; color: var(--muted); max-width: 680px; }
.actions { display: flex; gap: 12px; justify-content: center; }

.section { padding: 48px 0; }
.section.alt { background: var(--soft); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }

.two-col { display: grid; grid-template-columns: 1.4fr 1fr; gap: 24px; align-items: start; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }

.card { background: var(--panel); border: 1px solid var(--border); border-radius: 14px; padding: 18px; box-shadow: var(--shadow); }
.card h3 { margin-top: 0; }
.big { font-size: 20px; font-weight: 800; color: var(--brand); }
.checks { padding-left: 18px; }
.checks li { margin: 6px 0; }

.site-footer { border-top: 1px solid var(--border); padding: 24px 0; color: var(--muted); background: #fff; }
.footer-inner { display: flex; align-items: center; justify-content: space-between; gap: 16px; }
.footer-links a { color: var(--brand); text-decoration: none; margin-left: 12px; }
.footer-links a:hover { color: #1d4ed8; }

/* Portrait card */
.portrait-wrap { display: grid; grid-template-columns: 1fr 1.1fr; gap: 24px; align-items: center; }
.portrait { width: 100%; max-width: 420px; aspect-ratio: 3/4; object-fit: cover; border-radius: 16px; border: 1px solid var(--border); box-shadow: var(--shadow); background: #fff; }
.portrait-info h2 { margin-top: 0; }
.tag { display: inline-block; padding: 4px 10px; border-radius: 999px; border: 1px solid var(--border); background: var(--soft); color: var(--muted); font-weight: 700; font-size: 12px; letter-spacing: .3px; }

@media (max-width: 900px) {
  .portrait-wrap { grid-template-columns: 1fr; }
}

/* Contact modal */
.modal { position: fixed; inset: 0; display: none; align-items: center; justify-content: center; z-index: 100; }
.modal.open { display: flex; }
.modal-overlay { position: absolute; inset: 0; background: rgba(0,0,0,0.45); }
.modal-dialog { position: relative; background: #fff; color: var(--text); border: 1px solid var(--border); border-radius: 16px; width: min(720px, 94vw); box-shadow: var(--shadow); padding: 20px; }
.modal-close { position: absolute; right: 10px; top: 10px; border: 1px solid var(--border); background: #fff; width: 36px; height: 36px; border-radius: 50%; cursor: pointer; }
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-top: 10px; }
.contact-grid .card { margin: 0; }
@media (max-width: 700px) { .contact-grid { grid-template-columns: 1fr; } }

@media (max-width: 900px) {
  .two-col { grid-template-columns: 1fr; }
  .grid-3 { grid-template-columns: 1fr; }
}

@media (max-width: 700px) {
  .nav { display: none; position: absolute; right: 20px; top: 64px; background: #ffffff; padding: 10px; border: 1px solid var(--border); border-radius: 12px; box-shadow: var(--shadow); flex-direction: column; }
  .nav.open { display: flex; }
  .nav-toggle { display: inline-block; }
}

/* Carousel */
.carousel { position: relative; background: #fff; border: 1px solid var(--border); border-radius: 14px; box-shadow: var(--shadow); overflow: hidden; }
.carousel-viewport { overflow: hidden; width: 100%; }
.carousel-track { display: flex; transition: transform 400ms ease; }
.carousel .slide { min-width: 100%; height: 450px; display: grid; place-items: center; background: var(--soft); }
.carousel img { width: 100%; height: 100%; object-fit: cover; display: block; }
.carousel-btn { position: absolute; top: 50%; transform: translateY(-50%); background: rgba(255,255,255,0.9); border: 1px solid var(--border); color: var(--text); width: 40px; height: 40px; border-radius: 50%; display: grid; place-items: center; cursor: pointer; box-shadow: var(--shadow); }
.carousel-btn.prev { left: 12px; }
.carousel-btn.next { right: 12px; }
.carousel-dots { position: absolute; left: 0; right: 0; bottom: 10px; display: flex; gap: 6px; justify-content: center; }
.carousel-dots button { width: 8px; height: 8px; border-radius: 50%; border: 1px solid var(--border); background: rgba(0,0,0,0.2); cursor: pointer; }
.carousel-dots button.active { background: var(--brand); border-color: var(--brand); }