@import url('https://fonts.googleapis.com/css2?family=Montserrat:wght@400;500;600;700;800&family=Playfair+Display:wght@700;800&display=swap');

:root {
    --ink: #14384d;
    --navy: #1d6f9a;
    --blue: #4bb6e8;
    --sky: #a8e1f7;
    --mist: #f0fbff;
    --gold: #8edaf6;
    --coral: #5fc0ec;
    --line: #cdeefa;
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    background: #f7fcff;
    color: var(--ink);
    font-family: 'Montserrat', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

h1,
h2,
h3 {
    font-family: 'Playfair Display', Georgia, serif;
    font-family: 'Playfair Display', Georgia, serif;
    letter-spacing: 0;
}

section {
    scroll-margin-top: 96px;
}

.hero {
    min-height: 78svh;
    background:
        linear-gradient(90deg, rgba(240, 251, 255, 0.97) 0%, rgba(202, 238, 252, 0.88) 46%, rgba(255, 255, 255, 0.22) 100%),
        url('images/fotoGrupStaMaria.jpg');
    background-position: center 42%;
    background-size: cover;
}

.section-title {
    color: var(--navy);
    font-size: clamp(2rem, 4vw, 3.5rem);
    line-height: 1.05;
}

.section-lead {
    color: #526170;
    font-size: 1.04rem;
    line-height: 1.8;
}

.btn-primary {
    background: var(--blue);
    color: #fff;
    box-shadow: 0 14px 30px rgba(75, 182, 232, 0.26);
}

.btn-primary:hover,
.btn-primary:focus-visible {
    background: var(--navy);
    transform: translateY(-2px);
}

.btn-secondary {
    background: #fff;
    color: var(--navy);
    border: 1px solid var(--line);
}

.btn-secondary:hover,
.btn-secondary:focus-visible {
    background: var(--sky);
    color: var(--ink);
    transform: translateY(-2px);
}

.nav-link,
.dropdown-link {
    color: #365064;
    transition: color 180ms ease, transform 180ms ease;
}

.nav-link:hover,
.nav-link:focus-visible,
.dropdown-link:hover,
.dropdown-link:focus-visible {
    color: var(--blue);
}

.dropdown-panel {
    opacity: 0;
    visibility: hidden;
    transform: translateY(8px);
    pointer-events: none;
    transition: opacity 180ms ease, transform 180ms ease, visibility 180ms ease;
}

.dropdown:hover .dropdown-panel,
.dropdown:focus-within .dropdown-panel {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
    pointer-events: auto;
}

.card {
    border: 1px solid var(--line);
    border-radius: 8px;
    background: #fff;
    box-shadow: 0 18px 48px rgba(16, 32, 51, 0.07);
}

.filter-btn {
    border: 1px solid var(--line);
    background: #fff;
    color: var(--navy);
    transition: background 180ms ease, color 180ms ease, border-color 180ms ease, transform 180ms ease;
}

.filter-btn:hover,
.filter-btn:focus-visible,
.filter-btn.is-active {
    border-color: var(--blue);
    background: var(--blue);
    color: #fff;
}

.gallery-item img {
    aspect-ratio: 4 / 3;
    object-fit: cover;
    transition: transform 360ms ease;
}

.gallery-item:hover img {
    transform: scale(1.04);
}

.gallery-overlay {
    background: linear-gradient(180deg, rgba(16, 32, 51, 0) 0%, rgba(16, 32, 51, 0.82) 100%);
}

.gallery-modal-backdrop {
    background: rgba(20, 56, 77, 0.78);
    backdrop-filter: blur(10px);
}

.gallery-modal-image {
    max-height: min(72vh, 760px);
}

.catalan-line {
    width: 88px;
    height: 4px;
    background: linear-gradient(90deg, var(--blue), var(--sky), #ffffff);
    border-radius: 999px;
}

.back-to-top {
    opacity: 0;
    visibility: hidden;
    transform: translateY(12px);
    transition: opacity 180ms ease, transform 180ms ease, visibility 180ms ease;
}

.back-to-top.is-visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

@media (max-width: 767px) {
    .hero {
        min-height: 74svh;
        background:
            linear-gradient(180deg, rgba(240, 251, 255, 0.94) 0%, rgba(194, 235, 251, 0.82) 100%),
            url('images/fotoGrupStaMaria.jpg');
        background-position: center 42%;
    }
}

.fallback-media {
    position: relative;
    min-height: 220px;
    background:
        linear-gradient(135deg, rgba(75, 182, 232, 0.16), rgba(168, 225, 247, 0.3)),
        #f0fbff;
}

.fallback-media::after {
    content: "";
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(90deg, rgba(255, 255, 255, 0.45) 1px, transparent 1px),
        linear-gradient(180deg, rgba(255, 255, 255, 0.45) 1px, transparent 1px);
    background-size: 28px 28px;
    opacity: 0.28;
}

.fallback-icon {
    position: absolute;
    inset: 0;
    z-index: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--navy);
    font-size: 2rem;
}