/* Base */
* { box-sizing: border-box; }
html, body { height: 100%; }
body {
    margin: 0;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen, Ubuntu, Cantarell, "Helvetica Neue", Arial, "Noto Sans", "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol";
    color: #0f172a;
    background: #ffffff;
    line-height: 1.6;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; height: auto; display: block; }

.container {
    width: 100%;
    max-width: 1120px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Header */
.site-header {
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
    background: rgba(255,255,255,0.9);
    backdrop-filter: saturate(180%) blur(10px);
    border-bottom: 1px solid #eef2f7;
}
.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 64px;
    position: relative;
}
.brand { font-weight: 800; letter-spacing: 0.3px; }
.nav { display: flex; gap: 20px; }
.nav a { color: #334155; font-weight: 600; }
.nav a:hover { color: #111827; }
.nav-toggle { display: none; background: transparent; border: 0; font-size: 22px; }

/* Hero */
.hero { position: relative; overflow: hidden; }
.hero .hero-media { perspective: 800px; }
.hero-bg {
    position: absolute; inset: 0;
    background: linear-gradient(135deg, #e0f2fe 0%, #f5f3ff 100%);
    z-index: -1;
}
.hero-inner {
    display: grid;
    grid-template-columns: 1fr;
    gap: 32px;
    padding: 92px 0 64px;
    align-items: center;
    text-align: center;
}
.hero h1 { font-size: 44px; line-height: 1.2; margin: 0 0 10px; }
.subtitle { color: #475569; margin: 0 0 24px; max-width: 760px; margin-left: auto; margin-right: auto; }
.hero-cta { display: flex; gap: 12px; justify-content: center; }
.btn { display: inline-block; padding: 10px 16px; border-radius: 10px; background: #e5e7eb; color: #111827; font-weight: 700; }
.btn.primary { background: #2563eb; color: #ffffff; }
.btn:hover { filter: brightness(0.95); }
.hero-media { display: flex; justify-content: center; }
.hero-media img { border-radius: 16px; box-shadow: 0 10px 30px rgba(2,6,23,0.12); transform: scale(0.92); transition: transform .3s ease, box-shadow .3s ease; will-change: transform; max-width: 760px; }

/* Sections */
.section { padding: 72px 0; }
.section.alt { background: #f8fafc; }
.section-title { font-size: 28px; margin: 0 0 24px; text-align: center; }

.cards {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 22px;
}
.card {
    background: #ffffff;
    border: 1px solid #eef2f7;
    border-radius: 14px;
    padding: 22px 18px;
    box-shadow: 0 4px 16px rgba(2,6,23,0.04);
    text-align: center;
}
.card h3 { margin: 2px 0 6px; font-size: 18px; }
.card-subtitle { margin: 0 0 8px; color: #64748b; font-size: 13px; }
.card p { margin: 0; color: #475569; }

/* Feature cards background (Key Features only) */
#features .card:nth-child(6n+1) { background: #f0f9ff; }
#features .card:nth-child(6n+2) { background: #fdf2f8; }
#features .card:nth-child(6n+3) { background: #fefce8; }
#features .card:nth-child(6n+4) { background: #ecfdf5; }
#features .card:nth-child(6n+5) { background: #eef2ff; }
#features .card:nth-child(6n+6) { background: #f5f3ff; }

/* Gallery */
.gallery {
    display: grid;
    grid-template-columns: repeat(5, minmax(0, 1fr));
    gap: 18px;
}
/* .gallery .shot:nth-child(1) { grid-column: span 2; }
.gallery .shot:nth-child(4) { grid-column: span 2; } */
.shot { margin: 0; }
.shot img { border-radius: 12px; border: 1px solid #e5e7eb; cursor: zoom-in; }

/* Lightbox */
.lightbox { position: fixed; inset: 0; background: rgba(2,6,23,0.76); display: none; align-items: center; justify-content: center; padding: 24px; z-index: 100; }
.lightbox.open { display: flex; }
.lightbox-image { max-width: min(1040px, 92vw); max-height: 88vh; border-radius: 14px; box-shadow: 0 20px 60px rgba(0,0,0,0.45); }
.lightbox-close { position: absolute; top: 14px; right: 14px; width: 40px; height: 40px; border-radius: 999px; border: 0; background: #ffffff; font-size: 22px; cursor: pointer; }

/* Footer */
.site-footer { border-top: 1px solid #eef2f7; background: #ffffff; }
.footer-inner { display: flex; align-items: center; justify-content: space-between; height: 72px; }
.footer-nav { display: flex; gap: 14px; }
.footer-nav a { color: #475569; }
.footer-nav a:hover { color: #111827; }

/* Responsive */
@media (max-width: 1000px) {
    .hero-inner { grid-template-columns: 1fr; padding-top: 56px; }
    .gallery { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .cards { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 640px) {
    .nav { display: none; }
    .nav.open { display: flex; flex-direction: column; gap: 12px; position: absolute; top: 64px; right: 12px; background: #ffffff; border: 1px solid #eef2f7; border-radius: 12px; padding: 12px; box-shadow: 0 10px 30px rgba(2,6,23,0.08); z-index: 1100; }
    .nav-toggle { display: inline-block; }
    .cards { grid-template-columns: 1fr; }
    .gallery { grid-template-columns: 1fr; }
}