:root {
  --bg: #0b1220;
  --bg-elev: #121a2b;
  --text: #e6edf6;
  --muted: #9fb0c3;
  --brand: #4f9cf9;
  --brand-2: #22d3ee;
  --card: #0f172a;
  --ring: 0 0 0 3px rgba(79, 156, 249, .35);
  --radius: 16px;
  --shadow: 0 10px 30px rgba(0,0,0,.35);
}

.hero-sunset { background: center/cover no-repeat url("/images/sunset-2.jpg"); }

* { box-sizing: border-box; }
html, body { height: 100%; }
body {
  margin: 0;
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, Apple Color Emoji, Segoe UI Emoji;
  line-height: 1.6;
  color: var(--text);
  background: radial-gradient(1200px 800px at 10% -10%, #14213a 0%, var(--bg) 35%) fixed;
  
}

a { color: var(--brand); text-decoration: none; }
a:hover { text-decoration: underline; }
img { max-width: 100%; height: auto; display: block; }

.container { width: min(1100px, 92%); margin-inline: auto; }
.small { font-size: .9375rem; color: var(--muted); }

.skip-link {
  position: absolute; left: -999px; top: -999px;
}
.skip-link:focus { left: 8px; top: 8px; background: #000; color:#fff; padding:.5rem .75rem; }

.site-header {
  position: sticky; top: 0; z-index: 40;
  background: linear-gradient(180deg, rgba(11,18,32,.95), rgba(11,18,32,.75));
  backdrop-filter: blur(6px);
  border-bottom: 1px solid rgba(255,255,255,.06);
}
.header-inner { display: flex; align-items: center; justify-content: space-between; padding: .75rem 0; }
.brand {
  font-weight: 800; letter-spacing: .5px; font-size: 1.125rem;
  background: linear-gradient(90deg, #fff, var(--brand), var(--brand-2));
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.menu { list-style: none; display: flex; gap: 1rem; padding: 0; margin: 0; }
.menu a { padding: .5rem .75rem; border-radius: 999px; }
.menu a[aria-current="page"] { background: rgba(79,156,249,.12); }
.nav-toggle { display: none; }

@media (max-width: 720px) {
  .nav-toggle { display: inline-flex; background: transparent; color: var(--text); border: 1px solid rgba(255,255,255,.2); padding: .4rem .6rem; border-radius: 8px; }
  .menu { position: absolute; right: 4%; top: 56px; flex-direction: column; background: var(--bg-elev); padding: .75rem; border-radius: 12px; display: none; width: calc(92% - 8px); box-shadow: var(--shadow); }
  .menu.open { display: flex; }
}

.hero {
  position: relative; min-height: 72vh; display: grid; place-items: center; isolation: isolate;
  background: center/cover no-repeat var(--hero-image, none);
}
.hero-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(0,0,0,.55), rgba(0,0,0,.45));
  z-index: -1;
}
.hero-inner { text-align: center; padding: 5rem 0; }
.hero-title { font-size: clamp(2rem, 7vw, 3.5rem); margin: 0 0 .5rem; }
.hero-subtitle { color: #dbe8ff; margin: 0 0 1.5rem; }

.button {
  display: inline-flex; align-items: center; justify-content: center;
  gap: .5rem; padding: .7rem 1rem; border-radius: 12px; border: 1px solid rgba(255,255,255,.15);
  background: linear-gradient(180deg, rgba(79,156,249,.2), rgba(79,156,249,.05));
  color: #eaf3ff; box-shadow: 0 6px 16px rgba(79,156,249,.15);
}
.button:hover { transform: translateY(-1px); }
.button-ghost { background: transparent; border-color: rgba(255,255,255,.25); }

.section { padding: 3.5rem 0; }
.grid-two { display: grid; grid-template-columns: 1.1fr .9fr; gap: 1.25rem; }
@media (max-width: 900px) { .grid-two { grid-template-columns: 1fr; } }

.card {
  background: linear-gradient(180deg, rgba(255,255,255,.03), rgba(255,255,255,.02));
  border: 1px solid rgba(255,255,255,.08);
  border-radius: var(--radius);
  padding: 1.25rem;
  box-shadow: var(--shadow);
}

.image-card { padding: 0; overflow: hidden; }
.image-card img { width: 100%; height: 100%; object-fit: cover; }

.muted { color: var(--muted); }

.gallery {
  list-style: none; padding: 0; margin: 1rem 0 0;
  display: grid; gap: 10px;
  grid-template-columns: repeat(3, 1fr);
}
@media (max-width: 900px) { .gallery { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 560px) { .gallery { grid-template-columns: 1fr; } }
.gallery li { overflow: hidden; border-radius: 14px; }
.gallery img { aspect-ratio: 4/3; width: 100%; height: auto; object-fit: cover; transition: transform .4s ease; }
.gallery button { display: block; padding: 0; border: none; background: transparent; width: 100%; cursor: zoom-in; }
.gallery button:hover img { transform: scale(1.04); }

.site-footer { border-top: 1px solid rgba(255,255,255,.06); padding: 1.25rem 0; background: rgba(0,0,0,.25); }

/* Contact form */
.form-card { max-width: 760px; margin: 0 auto; }
.form { display: grid; gap: 1rem; }
.field label { display: block; font-weight: 600; margin-bottom: .35rem; }
input[type="text"], input[type="email"], textarea {
  width: 100%; padding: .75rem .875rem; border-radius: 12px; border: 1px solid rgba(255,255,255,.15);
  background: rgba(255,255,255,.04); color: var(--text);
}
input:focus, textarea:focus { outline: none; box-shadow: var(--ring); }
.error { color: #ffb4b4; font-size: .9rem; }
.success { color: #86efac; }

/* Lightbox */
.lightbox {
  border: none; padding: 0; background: rgba(0,0,0,.8); width: 100vw; height: 100vh;
}
.lightbox img { max-width: 96vw; max-height: 88vh; border-radius: 12px; display:block; margin: 6vh auto 0; }
.lightbox .close {
  position: fixed; top: 12px; right: 12px; font-size: 28px; line-height: 1;
  border-radius: 999px; border: 1px solid rgba(255,255,255,.3); background: rgba(0,0,0,.4); color: #fff; padding: .25rem .6rem;
}