:root {
    --ink: #0f172a; --muted: #475569; --soft: #64748b; --label: #1e293b;
    --line: rgba(15,23,42,0.08); --blue: #2563eb; --violet: #7c3aed;
    --grad: linear-gradient(135deg, #2563eb, #7c3aed);
    --grad-dark: linear-gradient(135deg, #111827 0%, #1e3a8a 55%, #4c1d95 100%);
}
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
    font-family: 'Plus Jakarta Sans', 'Segoe UI', sans-serif; margin: 0; color: var(--ink); overflow-x: hidden;
    background:
        radial-gradient(40% 35% at 15% 10%, rgba(37,99,235,0.10) 0%, transparent 70%),
        radial-gradient(40% 40% at 90% 90%, rgba(124,58,237,0.10) 0%, transparent 70%),
        #eef2f7;
    background-attachment: fixed;
}
img { max-width: 100%; }
@keyframes sbUp { from { opacity: 0; transform: translateY(14px); } to { opacity: 1; transform: none; } }

.sb-hero { text-align: center; margin: clamp(26px, 5vw, 46px) auto clamp(22px, 4vw, 34px); padding: 0 20px; max-width: 760px; animation: sbUp .5s ease both; }
.sb-chip {
    display: inline-flex; align-items: center; gap: 8px; margin-bottom: 12px;
    padding: 6px 14px 6px 10px; border-radius: 999px;
    background: rgba(37,99,235,0.08); border: 1px solid rgba(37,99,235,0.18);
    color: #1d4ed8; font-size: 11px; font-weight: 800; letter-spacing: 1.5px; text-transform: uppercase;
}
.sb-chip i.dot { width: 7px; height: 7px; border-radius: 50%; background: var(--grad); display: inline-block; }
.sb-title { font-size: clamp(28px, 5vw, 42px); font-weight: 800; letter-spacing: -1px; line-height: 1.15; margin: 0; color: var(--ink); }
.sb-title .g { background: var(--grad); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; }
.sb-sub { font-size: clamp(14px, 2vw, 16px); color: var(--muted); margin: 10px auto 0; line-height: 1.6; }

.sb-card {
    background: rgba(255,255,255,0.92); border: 1px solid rgba(255,255,255,0.7); border-radius: 22px;
    box-shadow: 0 1px 2px rgba(15,23,42,0.04), 0 16px 36px rgba(15,23,42,0.07);
}
.sb-ico {
    width: 40px; height: 40px; border-radius: 12px; display: inline-grid; place-items: center; flex-shrink: 0;
    color: #fff; background: var(--grad); box-shadow: 0 8px 18px rgba(37,99,235,.28); font-size: 16px;
}

.sb-footer { margin-top: auto; padding: 30px 20px; text-align: center; background: #0b0b0f; color: rgba(255,255,255,0.7); font-size: 13.5px;
    background-image: radial-gradient(60% 140% at 10% 0%, rgba(37,99,235,0.25) 0%, transparent 60%), radial-gradient(60% 140% at 100% 100%, rgba(124,58,237,0.25) 0%, transparent 60%); }
.sb-footer .brand { font-weight: 800; font-size: 18px; letter-spacing: 3px; color: #fff; margin-bottom: 10px; }
.sb-footer .social-links { margin-bottom: 12px; }
.sb-footer .social-links a {
    width: 42px; height: 42px; border-radius: 12px; display: inline-grid; place-items: center; margin: 0 6px;
    color: #fff; background: rgba(255,255,255,0.08); border: 1px solid rgba(255,255,255,0.14); font-size: 18px; transition: .2s; text-decoration: none;
}
.sb-footer .social-links a:hover { background: #1877f2; border-color: #1877f2; transform: translateY(-2px); }
@media (prefers-reduced-motion: reduce) { *, *::before, *::after { animation-duration: .01ms !important; transition-duration: .01ms !important; } }

body { display: flex; flex-direction: column; min-height: 100vh; }
body.no-scroll { overflow: hidden; }
.content-wrap { flex: 1; }

.gallery {
    display: grid; grid-template-columns: repeat(auto-fill, minmax(min(260px, 100%), 1fr));
    gap: 16px;
    max-width: 1280px; margin: 0 auto; padding: 0 24px 54px;
}
.g-item {
    position: relative; margin: 0; overflow: hidden; border-radius: 20px; cursor: zoom-in;
    background: #e2e8f0; box-shadow: 0 10px 26px rgba(15,23,42,0.10); animation: sbUp .5s ease both;
}
.g-item { aspect-ratio: 4 / 3; }
.g-item img { width: 100%; height: 100%; object-fit: cover; display: block; transition: transform .5s ease; }
.g-item::after {
    content: '\f00e'; font-family: 'Font Awesome 6 Free'; font-weight: 900;
    position: absolute; inset: 0; display: grid; place-items: center; color: #fff; font-size: 26px;
    background: linear-gradient(180deg, rgba(37,99,235,0.25), rgba(124,58,237,0.55)); opacity: 0; transition: opacity .3s;
    pointer-events: none;
}
.g-item:hover img { transform: scale(1.07); }
.g-item:hover::after { opacity: 1; }

.modal { display: none; position: fixed; inset: 0; z-index: 999; align-items: center; justify-content: center; user-select: none;
         background: rgba(11,11,15,0.94); backdrop-filter: blur(6px); }
.modal.show { display: flex; }
.modal-content { max-width: min(92vw, 1400px); max-height: 84vh; object-fit: contain; display: block; border-radius: 14px;
                 box-shadow: 0 30px 80px rgba(0,0,0,0.5); animation: zoomIn .25s ease; }
@keyframes zoomIn { from { opacity: 0; transform: scale(.95); } to { opacity: 1; transform: scale(1); } }
.lb-btn {
    position: absolute; z-index: 2; width: 52px; height: 52px; border-radius: 16px; border: 1px solid rgba(255,255,255,0.18);
    background: rgba(255,255,255,0.08); color: #fff; font-size: 20px; cursor: pointer;
    display: flex; align-items: center; justify-content: center; transition: background .2s, transform .2s;
}
.lb-btn:hover { background: var(--grad); border-color: transparent; }
.lb-close { top: 20px; right: 20px; }
.lb-prev { left: 20px; top: 50%; transform: translateY(-50%); }
.lb-next { right: 20px; top: 50%; transform: translateY(-50%); }
.lb-prev:hover, .lb-next:hover { transform: translateY(-50%) scale(1.06); }
.lb-counter { position: absolute; bottom: 20px; left: 50%; transform: translateX(-50%); color: #fff; font-size: 14px; font-weight: 700;
              padding: 7px 16px; border-radius: 999px; background: rgba(255,255,255,0.1); border: 1px solid rgba(255,255,255,0.16); }

@media (max-width: 600px) {
    .gallery { grid-template-columns: 1fr 1fr; gap: 10px; padding: 0 12px 40px; }
    .g-item { border-radius: 14px; }
    .lb-btn { width: 44px; height: 44px; font-size: 17px; border-radius: 13px; }
    .lb-close { top: 12px; right: 12px; }
    .lb-prev { left: 8px; } .lb-next { right: 8px; }
}