/* ============================================
   MEDICOP GALLERY CATALOG 2026 — DARK IMAGE SHOWCASE
   Brand: #009ea4 (teal), #003761 (navy)
   Font: Inter — Matching main catalog
   ============================================ */

:root {
    --brand-teal: #009ea4;
    --brand-teal-light: #00c8d0;
    --brand-teal-dim: rgba(0,158,164,0.15);
    --brand-navy: #003761;
    --bg-primary: #0a0c0e;
    --bg-secondary: #0f1215;
    --bg-card: rgba(15,18,21,0.85);
    --surface: #161a1f;
    --text-primary: #e8e6e3;
    --text-secondary: #9ca3af;
    --text-muted: #6b7280;
    --border: rgba(255,255,255,0.06);
    --border-hover: rgba(0,158,164,0.4);
    --glow-teal: 0 0 40px rgba(0,158,164,0.15);
    --glow-teal-strong: 0 0 80px rgba(0,158,164,0.25);
    --radius: 14px;
    --radius-sm: 10px;
    --transition: 0.35s cubic-bezier(0.4,0,0.2,1);
    --font: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
}

*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }

html {
    scroll-behavior: smooth;
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
}

body {
    font-family: var(--font);
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

/* ══════════════════════════════════════════
   HERO SECTION
   ══════════════════════════════════════════ */
.hero-section {
    position: relative;
    min-height: 100vh;
    min-height: 100dvh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.hero-bg-img {
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse 80% 60% at 30% 70%, rgba(0,55,97,0.25) 0%, transparent 60%),
        radial-gradient(ellipse 60% 50% at 70% 30%, rgba(0,158,164,0.12) 0%, transparent 50%),
        radial-gradient(ellipse 100% 80% at 50% 100%, rgba(0,55,97,0.15) 0%, transparent 50%),
        linear-gradient(160deg, #050608 0%, #0a1018 30%, #0d1520 60%, #080a0e 100%);
    animation: heroDrift 20s ease-in-out infinite alternate;
}

@keyframes heroDrift {
    0% { filter: brightness(1) hue-rotate(0deg); }
    100% { filter: brightness(1.1) hue-rotate(5deg); }
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background:
        linear-gradient(180deg, rgba(10,12,14,0.5) 0%, rgba(10,12,14,0.05) 35%, rgba(10,12,14,0.6) 75%, rgba(10,12,14,1) 100%),
        radial-gradient(ellipse 50% 40% at 50% 50%, rgba(0,158,164,0.06) 0%, transparent 70%);
    z-index: 1;
}

.hero-grain {
    position: absolute;
    inset: 0;
    z-index: 1;
    opacity: 0.025;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
    pointer-events: none;
}

.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    padding: 2rem;
    animation: heroFadeUp 1.2s ease-out;
}

@keyframes heroFadeUp {
    from { opacity: 0; transform: translateY(30px); }
    to { opacity: 1; transform: translateY(0); }
}

.hero-logo {
    width: 280px;
    max-width: 70vw;
    filter: brightness(1.1) drop-shadow(0 0 30px rgba(0,158,164,0.2));
    margin-bottom: 1.5rem;
}

.hero-divider {
    width: 60px;
    height: 2px;
    margin: 0 auto 1.5rem;
    background: linear-gradient(90deg, transparent, var(--brand-teal), transparent);
    animation: dividerPulse 3s ease-in-out infinite;
}

@keyframes dividerPulse {
    0%, 100% { opacity: 0.6; width: 60px; }
    50% { opacity: 1; width: 90px; }
}

.hero-title {
    font-size: clamp(2.2rem, 6vw, 4.5rem);
    font-weight: 800;
    letter-spacing: -0.03em;
    line-height: 1.05;
    background: linear-gradient(135deg, #ffffff 0%, #b0f0f4 40%, #ffffff 60%, #b0f0f4 100%);
    background-size: 200% auto;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: shimmer 4s ease-in-out infinite;
}

@keyframes shimmer {
    0%, 100% { background-position: 0% center; }
    50% { background-position: 200% center; }
}

.hero-sub {
    font-size: clamp(0.8rem, 2vw, 1.1rem);
    font-weight: 400;
    color: #d1d5db;
    margin-top: 0.5rem;
    letter-spacing: 0.2em;
    text-transform: uppercase;
}

.hero-scroll-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    margin-top: 2.5rem;
    padding: 0.8rem 1.8rem;
    border: 1px solid rgba(0,158,164,0.4);
    border-radius: 50px;
    color: var(--brand-teal-light);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.85rem;
    letter-spacing: 0.05em;
    transition: var(--transition);
    background: rgba(0,158,164,0.05);
    backdrop-filter: blur(10px);
}

.hero-scroll-btn:hover {
    background: var(--brand-teal);
    color: #fff;
    box-shadow: var(--glow-teal-strong);
    transform: translateY(-2px);
}

.hero-scroll-btn svg { animation: bounce 2s infinite; }

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% { transform: translateY(0); }
    40% { transform: translateY(5px); }
    60% { transform: translateY(2px); }
}

.hero-counter {
    position: absolute;
    bottom: 2rem;
    right: 2rem;
    font-size: 0.7rem;
    color: var(--text-muted);
    letter-spacing: 0.15em;
    text-transform: uppercase;
    z-index: 2;
}

/* ══════════════════════════════════════════
   NAVBAR
   ══════════════════════════════════════════ */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 0.7rem 0;
    background: rgba(10,12,14,0.9);
    backdrop-filter: blur(24px) saturate(1.3);
    -webkit-backdrop-filter: blur(24px) saturate(1.3);
    border-bottom: 1px solid var(--border);
    transform: translateY(-100%);
    transition: transform 0.4s ease;
}

.navbar.visible { transform: translateY(0); }

.nav-inner {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 1.5rem;
    display: flex;
    align-items: center;
    gap: 2rem;
}

.nav-logo { height: 26px; filter: brightness(1.2); }

.nav-links {
    display: flex;
    list-style: none;
    gap: 1.5rem;
    margin-left: auto;
}

.nav-links a {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.82rem;
    font-weight: 500;
    letter-spacing: 0.02em;
    transition: color var(--transition);
    position: relative;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--brand-teal);
    transition: width var(--transition);
}

.nav-links a:hover { color: var(--brand-teal-light); }
.nav-links a:hover::after { width: 100%; }

/* Hamburger */
.nav-menu-btn {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: 8px;
    background: none;
    border: 1px solid var(--border);
    border-radius: 8px;
    cursor: pointer;
    margin-left: auto;
    transition: var(--transition);
}

.nav-menu-btn:hover { border-color: var(--brand-teal); }

.nav-menu-btn span {
    display: block;
    width: 20px;
    height: 2px;
    background: var(--text-secondary);
    transition: var(--transition);
    border-radius: 2px;
}

.nav-menu-btn.active span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.nav-menu-btn.active span:nth-child(2) { opacity: 0; }
.nav-menu-btn.active span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

.mobile-menu {
    display: none;
    flex-direction: column;
    padding: 0.75rem 1.5rem 1.25rem;
    gap: 0;
    background: rgba(10,12,14,0.95);
}

.mobile-menu.open { display: flex; }

.mobile-menu a {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.95rem;
    font-weight: 500;
    padding: 0.85rem 0;
    border-bottom: 1px solid var(--border);
    transition: color var(--transition), padding-left var(--transition);
}

.mobile-menu a:last-child { border-bottom: none; }
.mobile-menu a:hover { color: var(--brand-teal-light); padding-left: 0.5rem; }

/* ══════════════════════════════════════════
   GALLERY GROUPS
   ══════════════════════════════════════════ */
.gallery-group {
    padding: 5rem 0;
    position: relative;
    background: var(--bg-primary);
}

.gallery-group--alt {
    background: var(--bg-secondary);
}

/* Subtle divider glow between sections */
.gallery-group::before {
    content: '';
    position: absolute;
    top: 0;
    left: 10%;
    right: 10%;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(0,158,164,0.15), transparent);
}

.group-header {
    margin-bottom: 2.5rem;
}

.group-tag {
    display: inline-block;
    font-size: 0.7rem;
    font-weight: 600;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--brand-teal);
    margin-bottom: 0.75rem;
    padding: 0.3rem 0.8rem;
    border: 1px solid var(--brand-teal-dim);
    border-radius: 50px;
    background: var(--brand-teal-dim);
}

.group-tag--night {
    background: rgba(99,102,241,0.12);
    border-color: rgba(99,102,241,0.25);
    color: #818cf8;
}

.group-tag--env {
    background: rgba(52,211,153,0.12);
    border-color: rgba(52,211,153,0.25);
    color: #34d399;
}

.group-header h2 {
    font-size: clamp(1.5rem, 3.5vw, 2.4rem);
    font-weight: 700;
    margin-bottom: 0.5rem;
    letter-spacing: -0.02em;
}

.group-header p {
    font-size: 0.95rem;
    color: var(--text-secondary);
    max-width: 600px;
    line-height: 1.6;
}

/* ══════════════════════════════════════════
   IMAGE GRID — Responsive masonry
   ══════════════════════════════════════════ */
.image-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.25rem;
}

.img-card {
    position: relative;
    border-radius: var(--radius);
    overflow: hidden;
    border: 1px solid var(--border);
    background: var(--bg-card);
    cursor: pointer;
    transition: transform 0.5s cubic-bezier(0.4,0,0.2,1),
                box-shadow 0.5s cubic-bezier(0.4,0,0.2,1),
                border-color 0.5s ease;
    will-change: transform;
}

.img-card--wide {
    grid-column: 1 / -1;
}

.img-card:hover {
    border-color: var(--border-hover);
    box-shadow: 0 12px 50px rgba(0,158,164,0.12), 0 0 0 1px rgba(0,158,164,0.08);
    transform: translateY(-6px) scale(1.008);
}

/* Teal glow pulse on hover */
.img-card::after {
    content: '';
    position: absolute;
    inset: -1px;
    border-radius: var(--radius);
    background: linear-gradient(135deg, rgba(0,158,164,0.15), transparent 40%, transparent 60%, rgba(0,158,164,0.1));
    opacity: 0;
    transition: opacity 0.5s ease;
    pointer-events: none;
    z-index: 4;
}

.img-card:hover::after { opacity: 1; }

/* Image wrapper */
.img-wrap {
    position: relative;
    overflow: hidden;
    aspect-ratio: 16 / 9;
    background: #0d0f12;
}

.img-card--wide .img-wrap {
    aspect-ratio: 21 / 9;
}

.img-wrap img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform 0.8s cubic-bezier(0.25,0.46,0.45,0.94), filter 0.5s ease;
    filter: brightness(0.92) saturate(1.05);
}

.img-card:hover .img-wrap img {
    transform: scale(1.07);
    filter: brightness(1.05) saturate(1.2);
}

/* Shine sweep on hover */
.img-shine {
    position: absolute;
    inset: 0;
    background: linear-gradient(
        115deg,
        transparent 0%, transparent 30%,
        rgba(255,255,255,0.05) 45%,
        rgba(255,255,255,0.1) 50%,
        rgba(255,255,255,0.05) 55%,
        transparent 70%, transparent 100%
    );
    transform: translateX(-120%);
    transition: none;
    pointer-events: none;
    z-index: 2;
}

.img-card:hover .img-shine {
    transform: translateX(120%);
    transition: transform 0.9s ease;
}

/* Bottom label bar */
.img-label {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.75rem 1rem;
    background: linear-gradient(0deg, rgba(10,12,14,0.88) 0%, rgba(10,12,14,0.5) 60%, transparent 100%);
    z-index: 3;
    opacity: 0;
    transform: translateY(6px);
    transition: opacity 0.4s ease, transform 0.4s ease;
}

.img-card:hover .img-label {
    opacity: 1;
    transform: translateY(0);
}

.img-tag {
    font-size: 0.7rem;
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--brand-teal-light);
    padding: 0.25rem 0.6rem;
    border: 1px solid rgba(0,158,164,0.3);
    border-radius: 4px;
    background: rgba(0,158,164,0.1);
    backdrop-filter: blur(6px);
}

.img-expand {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    border-radius: 8px;
    background: rgba(255,255,255,0.08);
    color: var(--text-secondary);
    transition: var(--transition);
    backdrop-filter: blur(6px);
}

.img-card:hover .img-expand {
    background: rgba(0,158,164,0.2);
    color: var(--brand-teal-light);
}

/* ══════════════════════════════════════════
   LIGHTBOX
   ══════════════════════════════════════════ */
.lightbox {
    position: fixed;
    inset: 0;
    z-index: 9999;
    background: rgba(5,6,8,0.96);
    backdrop-filter: blur(24px);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.35s ease, visibility 0.35s ease;
}

.lightbox.active {
    opacity: 1;
    visibility: visible;
}

.lb-img-wrap {
    max-width: 94vw;
    max-height: 88vh;
    display: flex;
    align-items: center;
    justify-content: center;
}

.lb-img {
    max-width: 94vw;
    max-height: 88vh;
    object-fit: contain;
    border-radius: 10px;
    box-shadow: 0 30px 100px rgba(0,0,0,0.6), 0 0 60px rgba(0,158,164,0.06);
    transform: scale(0.9);
    opacity: 0;
    transition: transform 0.4s cubic-bezier(0.4,0,0.2,1), opacity 0.35s ease;
}

.lightbox.active .lb-img {
    transform: scale(1);
    opacity: 1;
}

.lb-close, .lb-prev, .lb-next {
    position: absolute;
    background: rgba(255,255,255,0.06);
    border: 1px solid rgba(255,255,255,0.08);
    border-radius: 50%;
    width: 46px;
    height: 46px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    cursor: pointer;
    transition: var(--transition);
    z-index: 10;
    backdrop-filter: blur(10px);
}

.lb-close:hover, .lb-prev:hover, .lb-next:hover {
    background: rgba(0,158,164,0.15);
    border-color: var(--brand-teal);
    color: var(--brand-teal-light);
    transform: scale(1.05);
}

.lb-close { top: 1.5rem; right: 1.5rem; }
.lb-prev { left: 1.5rem; top: 50%; transform: translateY(-50%); }
.lb-next { right: 1.5rem; top: 50%; transform: translateY(-50%); }
.lb-prev:hover { transform: translateY(-50%) scale(1.05); }
.lb-next:hover { transform: translateY(-50%) scale(1.05); }

.lb-caption {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    font-size: 0.78rem;
    font-weight: 500;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--text-secondary);
    background: rgba(10,12,14,0.7);
    padding: 0.4rem 1.2rem;
    border-radius: 50px;
    border: 1px solid var(--border);
    backdrop-filter: blur(10px);
    white-space: nowrap;
}

.lb-counter {
    position: absolute;
    top: 1.5rem;
    left: 1.5rem;
    font-size: 0.72rem;
    font-weight: 600;
    color: var(--text-muted);
    letter-spacing: 0.1em;
    background: rgba(10,12,14,0.5);
    padding: 0.3rem 0.8rem;
    border-radius: 50px;
    backdrop-filter: blur(10px);
}

/* ══════════════════════════════════════════
   FOOTER
   ══════════════════════════════════════════ */
.footer-section {
    background: #050608;
    border-top: 1px solid var(--border);
    padding: 2rem 0;
}

.footer-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.footer-brand { display: flex; align-items: center; gap: 1.5rem; }
.footer-logo { height: 24px; opacity: 0.7; }
.footer-brand p { font-size: 0.72rem; color: var(--text-muted); }

.footer-links { display: flex; gap: 1.5rem; }

.footer-links a {
    font-size: 0.75rem;
    color: var(--text-muted);
    text-decoration: none;
    transition: color var(--transition);
}

.footer-links a:hover { color: var(--brand-teal); }

/* ══════════════════════════════════════════
   SCROLL ANIMATIONS
   ══════════════════════════════════════════ */
.fade-in {
    opacity: 0;
    transform: translateY(35px);
    transition: opacity 0.65s ease, transform 0.65s ease;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Stagger delay per child */
.img-card.fade-in { --delay: 0s; transition-delay: var(--delay); }

/* ══════════════════════════════════════════
   RESPONSIVE — TABLET
   ══════════════════════════════════════════ */
@media (max-width: 1024px) {
    .image-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 1rem;
    }
    .gallery-group { padding: 3.5rem 0; }
    .container { padding: 0 1.25rem; }
}

/* ══════════════════════════════════════════
   RESPONSIVE — MOBILE
   ══════════════════════════════════════════ */
@media (max-width: 768px) {
    /* Nav */
    .nav-links { display: none; }
    .nav-menu-btn { display: flex; }

    /* Grid goes single column */
    .image-grid {
        grid-template-columns: 1fr;
        gap: 0.75rem;
    }

    .img-card--wide { grid-column: 1; }

    /* All cards same aspect ratio on mobile */
    .img-wrap,
    .img-card--wide .img-wrap {
        aspect-ratio: 16 / 10;
    }

    /* Always show labels on mobile (no hover) */
    .img-label {
        opacity: 1;
        transform: translateY(0);
        padding: 0.6rem 0.75rem;
        background: linear-gradient(0deg, rgba(10,12,14,0.92) 0%, rgba(10,12,14,0.3) 80%, transparent 100%);
    }

    .gallery-group { padding: 2.5rem 0; }
    .group-header { margin-bottom: 1.5rem; }
    .group-header h2 { font-size: 1.4rem; }
    .group-header p { font-size: 0.85rem; }

    .hero-logo { width: 200px; }
    .hero-counter { bottom: 1rem; right: 1rem; }

    /* Lightbox mobile */
    .lb-prev { left: 0.5rem; width: 38px; height: 38px; }
    .lb-next { right: 0.5rem; width: 38px; height: 38px; }
    .lb-close { top: 0.75rem; right: 0.75rem; width: 38px; height: 38px; }
    .lb-caption { bottom: 1rem; font-size: 0.68rem; padding: 0.35rem 0.8rem; }
    .lb-counter { top: 0.75rem; left: 0.75rem; font-size: 0.65rem; }
    .lb-img { border-radius: 6px; }

    /* Footer mobile */
    .footer-inner {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }
    .footer-brand {
        flex-direction: column;
        gap: 0.6rem;
    }
    .footer-links {
        flex-wrap: wrap;
        justify-content: center;
        gap: 1rem;
    }
}

/* ══════════════════════════════════════════
   RESPONSIVE — SMALL MOBILE
   ══════════════════════════════════════════ */
@media (max-width: 420px) {
    .container { padding: 0 0.85rem; }
    .hero-title { font-size: 1.8rem; }
    .hero-sub { font-size: 0.72rem; letter-spacing: 0.12em; }
    .hero-scroll-btn { font-size: 0.78rem; padding: 0.7rem 1.4rem; }
    .group-header h2 { font-size: 1.2rem; }
    .img-tag { font-size: 0.62rem; }

    .img-wrap,
    .img-card--wide .img-wrap {
        aspect-ratio: 16 / 11;
    }

    .nav-inner { padding: 0 0.85rem; }
    .gallery-group { padding: 2rem 0; }
}

/* ══════════════════════════════════════════
   PRINT
   ══════════════════════════════════════════ */
@media print {
    * { -webkit-print-color-adjust: exact !important; print-color-adjust: exact !important; }
    body { background: #0a0c0e !important; }
    .navbar, .hero-scroll-btn, .lightbox, .nav-menu-btn, .mobile-menu { display: none !important; }
    .hero-section { min-height: auto; padding: 2rem 0; page-break-after: always; }
    .gallery-group { page-break-inside: avoid; padding: 2rem 0; }
    .img-card:hover { transform: none; box-shadow: none; }
    .img-label { opacity: 1; transform: translateY(0); }
    .fade-in { opacity: 1 !important; transform: none !important; }
}