/* === ILUSABANA - Design System === */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Outfit:wght@400;500;600;700;800&display=swap');

:root {
    --primary: #F5C518; --primary-light: #FFE066; --primary-dark: #D4A800;
    --secondary: #1A1A2E; --surface: #16213E; --surface-light: #0F3460;
    --text-primary: #F0F0F0; --text-secondary: #A0A0B0; --accent: #E94560;
    --success: #00C897; --warning: #FFA726;
    --glass-bg: rgba(22, 33, 62, 0.7); --glass-border: rgba(245, 197, 24, 0.15);
    --radius: 16px; --radius-sm: 8px; --radius-lg: 24px;
    --shadow: 0 8px 32px rgba(0,0,0,0.3); --glow: 0 0 20px rgba(245,197,24,0.3);
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --nav-height: 80px;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
    font-family: 'Inter', system-ui, sans-serif; background: var(--secondary);
    color: var(--text-primary); line-height: 1.6; overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}
h1,h2,h3,h4,h5,h6 { font-family: 'Outfit', sans-serif; font-weight: 700; line-height: 1.2; }
a { color: var(--primary); text-decoration: none; transition: var(--transition); }
a:hover { color: var(--primary-light); }
img { max-width: 100%; height: auto; display: block; }
button { cursor: pointer; font-family: inherit; border: none; outline: none; }

/* === NAVBAR === */
.navbar {
    position: fixed; top: 0; left: 0; width: 100%; z-index: 1000;
    padding: 0 2rem; height: var(--nav-height); display: flex;
    align-items: center; justify-content: space-between;
    background: transparent; transition: var(--transition);
}
.navbar.scrolled {
    background: var(--glass-bg); backdrop-filter: blur(20px); -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--glass-border); box-shadow: var(--shadow);
}
.navbar__logo img { height: 50px; transition: var(--transition); }
.navbar__logo:hover img { filter: drop-shadow(0 0 10px rgba(245,197,24,0.5)); }
.navbar__menu { display: flex; list-style: none; gap: 0.5rem; align-items: center; }
.navbar__link {
    color: var(--text-primary); padding: 0.5rem 1rem; border-radius: var(--radius-sm);
    font-weight: 500; font-size: 0.95rem; transition: var(--transition); position: relative;
}
.navbar__link:hover, .navbar__link.active { color: var(--primary); background: rgba(245,197,24,0.1); }
.navbar__dropdown { position: relative; }
.navbar__dropdown-content {
    position: absolute; top: 100%; left: 0; min-width: 220px;
    background: var(--surface); border: 1px solid var(--glass-border);
    border-radius: var(--radius-sm); padding: 0.5rem; opacity: 0;
    visibility: hidden; transform: translateY(10px);
    transition: var(--transition); box-shadow: var(--shadow);
}
.navbar__dropdown:hover .navbar__dropdown-content { opacity: 1; visibility: visible; transform: translateY(0); }
.navbar__dropdown-content a {
    display: block; padding: 0.6rem 1rem; color: var(--text-primary);
    border-radius: var(--radius-sm); font-size: 0.9rem;
}
.navbar__dropdown-content a:hover { background: rgba(245,197,24,0.1); color: var(--primary); }
.navbar__hamburger {
    display: none; flex-direction: column; gap: 5px; background: none; padding: 0.5rem;
}
.navbar__hamburger span {
    width: 28px; height: 2px; background: var(--text-primary);
    transition: var(--transition); border-radius: 2px;
}
.navbar__hamburger.active span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.navbar__hamburger.active span:nth-child(2) { opacity: 0; }
.navbar__hamburger.active span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

/* === HERO === */
.hero {
    position: relative; min-height: 100vh; display: flex; align-items: center;
    justify-content: center; text-align: center; overflow: hidden;
    background: linear-gradient(135deg, #0a0a1a 0%, var(--secondary) 40%, #0F3460 100%);
}
.hero__particles { position: absolute; inset: 0; overflow: hidden; pointer-events: none; }
.hero__particle {
    position: absolute; width: 4px; height: 4px; background: var(--primary);
    border-radius: 50%; opacity: 0; animation: floatParticle 6s infinite;
}
@keyframes floatParticle {
    0% { opacity: 0; transform: translateY(100vh) scale(0); }
    20% { opacity: 1; }
    80% { opacity: 0.6; }
    100% { opacity: 0; transform: translateY(-20vh) scale(1); }
}
.hero__content { position: relative; z-index: 2; padding: 2rem; max-width: 900px; }
.hero__logo {
    width: 320px; max-width: 80vw; margin: 0 auto 2rem;
    filter: drop-shadow(0 0 30px rgba(245,197,24,0.4));
    animation: heroGlow 3s ease-in-out infinite alternate;
}
@keyframes heroGlow {
    from { filter: drop-shadow(0 0 20px rgba(245,197,24,0.3)); }
    to { filter: drop-shadow(0 0 40px rgba(245,197,24,0.6)); }
}
.hero__title {
    font-size: clamp(2rem, 5vw, 4rem); color: var(--text-primary);
    margin-bottom: 1rem; letter-spacing: -1px;
}
.hero__title span { color: var(--primary); }
.hero__subtitle {
    font-size: clamp(1rem, 2vw, 1.4rem); color: var(--text-secondary);
    margin-bottom: 2.5rem; max-width: 600px; margin-left: auto; margin-right: auto;
}
.hero__cta {
    display: inline-flex; align-items: center; gap: 0.75rem;
    background: var(--primary); color: var(--secondary); padding: 1rem 2.5rem;
    border-radius: 50px; font-weight: 700; font-size: 1.1rem;
    transition: var(--transition); text-transform: uppercase; letter-spacing: 1px;
}
.hero__cta:hover {
    background: var(--primary-light); color: var(--secondary);
    transform: translateY(-3px); box-shadow: var(--glow);
}
.hero__scroll {
    position: absolute; bottom: 2rem; left: 50%; transform: translateX(-50%);
    animation: bounce 2s infinite; color: var(--primary); font-size: 1.5rem;
}
@keyframes bounce { 0%,100% { transform: translateX(-50%) translateY(0); } 50% { transform: translateX(-50%) translateY(10px); } }

/* === SECTIONS === */
.section {
    padding: 6rem 2rem; max-width: 1280px; margin: 0 auto;
    opacity: 0; transform: translateY(40px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}
.section.visible { opacity: 1; transform: translateY(0); }
.section__header { text-align: center; margin-bottom: 4rem; }
.section__title {
    font-size: clamp(1.8rem, 4vw, 3rem); margin-bottom: 1rem;
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    -webkit-background-clip: text; -webkit-text-fill-color: transparent;
    background-clip: text;
}
.section__subtitle { color: var(--text-secondary); font-size: 1.1rem; max-width: 600px; margin: 0 auto; }
.section__divider {
    width: 80px; height: 4px; background: var(--primary); margin: 1.5rem auto 0;
    border-radius: 2px;
}

/* === ABOUT (Quienes Somos) === */
.about__grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); gap: 2rem; }
.about__card {
    background: var(--glass-bg); backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border); border-radius: var(--radius);
    padding: 2.5rem; transition: var(--transition); position: relative; overflow: hidden;
}
.about__card::before {
    content: ''; position: absolute; top: 0; left: 0; right: 0; height: 4px;
    background: linear-gradient(90deg, var(--primary), var(--primary-light));
}
.about__card:hover { transform: translateY(-8px); box-shadow: var(--glow); border-color: var(--primary); }
.about__card-icon {
    font-size: 2.5rem; margin-bottom: 1rem; display: inline-block;
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
}
.about__card h3 { font-size: 1.5rem; margin-bottom: 1rem; color: var(--primary); }
.about__card p { color: var(--text-secondary); line-height: 1.8; }

/* === GALLERY CARDS === */
.gallery-cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(350px, 1fr)); gap: 2rem; }
.gallery-card {
    position: relative; border-radius: var(--radius); overflow: hidden;
    cursor: pointer; aspect-ratio: 16/10; transition: var(--transition);
}
.gallery-card::after {
    content: ''; position: absolute; inset: 0;
    background: linear-gradient(180deg, transparent 40%, rgba(0,0,0,0.85) 100%);
    transition: var(--transition);
}
.gallery-card:hover { transform: translateY(-8px); box-shadow: 0 20px 40px rgba(0,0,0,0.4); }
.gallery-card:hover::after { background: linear-gradient(180deg, rgba(245,197,24,0.1) 0%, rgba(0,0,0,0.9) 100%); }
.gallery-card__img {
    width: 100%; height: 100%; object-fit: cover;
    transition: transform 0.6s ease;
}
.gallery-card:hover .gallery-card__img { transform: scale(1.08); }
.gallery-card__info {
    position: absolute; bottom: 0; left: 0; right: 0; padding: 1.5rem;
    z-index: 2; transform: translateY(10px); transition: var(--transition);
}
.gallery-card:hover .gallery-card__info { transform: translateY(0); }
.gallery-card__title { font-size: 1.4rem; color: #fff; margin-bottom: 0.3rem; font-family: 'Outfit', sans-serif; }
.gallery-card__count { color: var(--primary); font-size: 0.9rem; font-weight: 500; }
.gallery-card__arrow {
    position: absolute; top: 1rem; right: 1rem; z-index: 2;
    width: 40px; height: 40px; border-radius: 50%;
    background: rgba(245,197,24,0.2); display: flex; align-items: center;
    justify-content: center; color: var(--primary); font-size: 1.2rem;
    opacity: 0; transition: var(--transition);
}
.gallery-card:hover .gallery-card__arrow { opacity: 1; }

/* === IMAGE GALLERY GRID === */
.gallery-section { margin-bottom: 4rem; }
.gallery-section__title {
    font-size: 1.6rem; color: var(--primary); margin-bottom: 1.5rem;
    padding-bottom: 0.5rem; border-bottom: 2px solid var(--glass-border);
    display: flex; align-items: center; gap: 0.75rem;
}
.gallery-grid {
    display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 1rem;
}
.gallery-item {
    position: relative; border-radius: var(--radius-sm); overflow: hidden;
    cursor: pointer; aspect-ratio: 4/3; transition: var(--transition);
}
.gallery-item:hover { transform: scale(1.03); box-shadow: var(--glow); }
.gallery-item img {
    width: 100%; height: 100%; object-fit: cover; transition: transform 0.5s ease;
}
.gallery-item:hover img { transform: scale(1.1); }
.gallery-item__overlay {
    position: absolute; inset: 0; background: rgba(245,197,24,0.15);
    display: flex; align-items: center; justify-content: center;
    opacity: 0; transition: var(--transition);
}
.gallery-item:hover .gallery-item__overlay { opacity: 1; }
.gallery-item__overlay span {
    width: 50px; height: 50px; border-radius: 50%; background: rgba(0,0,0,0.6);
    display: flex; align-items: center; justify-content: center;
    color: var(--primary); font-size: 1.5rem;
}

/* === LIGHTBOX === */
.lightbox {
    position: fixed; inset: 0; z-index: 9999; background: rgba(0,0,0,0.95);
    display: none; align-items: center; justify-content: center;
    opacity: 0; transition: opacity 0.3s ease;
}
.lightbox.active { display: flex; opacity: 1; }
.lightbox__img {
    max-width: 90vw; max-height: 85vh; object-fit: contain;
    border-radius: var(--radius-sm); box-shadow: 0 0 60px rgba(245,197,24,0.2);
}
.lightbox__close, .lightbox__prev, .lightbox__next {
    position: absolute; background: rgba(245,197,24,0.15); border: 1px solid var(--glass-border);
    color: var(--primary); width: 50px; height: 50px; border-radius: 50%;
    display: flex; align-items: center; justify-content: center; font-size: 1.5rem;
    transition: var(--transition); backdrop-filter: blur(10px);
}
.lightbox__close { top: 1.5rem; right: 1.5rem; }
.lightbox__prev { left: 1.5rem; top: 50%; transform: translateY(-50%); }
.lightbox__next { right: 1.5rem; top: 50%; transform: translateY(-50%); }
.lightbox__close:hover, .lightbox__prev:hover, .lightbox__next:hover {
    background: var(--primary); color: var(--secondary);
}
.lightbox__caption {
    position: absolute; bottom: 1.5rem; left: 50%; transform: translateX(-50%);
    color: var(--text-primary); font-size: 0.95rem; text-align: center;
    background: rgba(0,0,0,0.6); padding: 0.5rem 1.5rem; border-radius: 50px;
}

/* === NORMATIVIDAD === */
.norm-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 1.5rem; }
.norm-card {
    background: var(--glass-bg); backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border); border-radius: var(--radius);
    padding: 2rem; text-align: center; transition: var(--transition); cursor: pointer;
}
.norm-card:hover { transform: translateY(-5px); border-color: var(--primary); box-shadow: var(--glow); }
.norm-card__icon { font-size: 3rem; margin-bottom: 1rem; }
.norm-card__title { font-size: 1.2rem; color: var(--text-primary); margin-bottom: 0.5rem; font-weight: 600; }
.norm-card__desc { color: var(--text-secondary); font-size: 0.9rem; }

/* PDF Viewer Modal */
.pdf-modal {
    position: fixed; inset: 0; z-index: 9998; background: rgba(0,0,0,0.9);
    display: none; align-items: center; justify-content: center; padding: 2rem;
}
.pdf-modal.active { display: flex; }
.pdf-modal__content {
    width: 90vw; height: 85vh; max-width: 1000px;
    background: var(--surface); border-radius: var(--radius); overflow: hidden;
    border: 1px solid var(--glass-border); display: flex; flex-direction: column;
}
.pdf-modal__header {
    display: flex; justify-content: space-between; align-items: center;
    padding: 1rem 1.5rem; border-bottom: 1px solid var(--glass-border);
}
.pdf-modal__header h3 { color: var(--primary); font-size: 1.1rem; }
.pdf-modal__close {
    background: none; color: var(--text-secondary); font-size: 1.5rem;
    transition: var(--transition);
}
.pdf-modal__close:hover { color: var(--accent); }
.pdf-modal iframe { flex: 1; width: 100%; border: none; }

/* === CONTACT === */
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 3rem; }
.contact-form { display: flex; flex-direction: column; gap: 1.25rem; }
.form-group { display: flex; flex-direction: column; gap: 0.4rem; }
.form-group label { color: var(--text-secondary); font-size: 0.9rem; font-weight: 500; }
.form-group input, .form-group select, .form-group textarea {
    background: var(--surface); border: 1px solid var(--glass-border); color: var(--text-primary);
    padding: 0.85rem 1rem; border-radius: var(--radius-sm); font-family: inherit;
    font-size: 0.95rem; transition: var(--transition); outline: none;
}
.form-group input:focus, .form-group select:focus, .form-group textarea:focus {
    border-color: var(--primary); box-shadow: 0 0 0 3px rgba(245,197,24,0.1);
}
.form-group textarea { min-height: 120px; resize: vertical; }
.form-group select option { background: var(--surface); }
.btn-submit {
    background: var(--primary); color: var(--secondary); padding: 1rem 2rem;
    border-radius: var(--radius-sm); font-weight: 700; font-size: 1rem;
    letter-spacing: 0.5px; transition: var(--transition);
}
.btn-submit:hover { background: var(--primary-light); transform: translateY(-2px); box-shadow: var(--glow); }
.btn-submit:disabled { opacity: 0.6; cursor: not-allowed; transform: none; }
.contact-info { display: flex; flex-direction: column; gap: 1.5rem; }
.contact-info__item {
    display: flex; align-items: flex-start; gap: 1rem;
    background: var(--glass-bg); padding: 1.25rem; border-radius: var(--radius-sm);
    border: 1px solid var(--glass-border);
}
.contact-info__icon { font-size: 1.5rem; color: var(--primary); min-width: 30px; text-align: center; }
.contact-info__text h4 { color: var(--text-primary); font-size: 1rem; margin-bottom: 0.25rem; }
.contact-info__text p, .contact-info__text a { color: var(--text-secondary); font-size: 0.95rem; }
.map-container {
    border-radius: var(--radius); overflow: hidden; border: 1px solid var(--glass-border);
    margin-top: 1rem; aspect-ratio: 16/9;
}
.map-container iframe { width: 100%; height: 100%; border: none; }

/* === FOOTER === */
.footer {
    background: #0a0a1a; border-top: 1px solid var(--glass-border); padding: 4rem 2rem 2rem;
}
.footer__content { max-width: 1280px; margin: 0 auto; }
.footer__grid { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 3rem; margin-bottom: 3rem; }
.footer__brand img { height: 60px; margin-bottom: 1rem; }
.footer__brand p { color: var(--text-secondary); font-size: 0.9rem; line-height: 1.7; max-width: 350px; }
.footer__title { color: var(--primary); font-size: 1.1rem; margin-bottom: 1.25rem; font-family: 'Outfit', sans-serif; }
.footer__links { list-style: none; display: flex; flex-direction: column; gap: 0.6rem; }
.footer__links a { color: var(--text-secondary); font-size: 0.9rem; transition: var(--transition); }
.footer__links a:hover { color: var(--primary); padding-left: 5px; }
.footer__entes { display: flex; gap: 1.5rem; flex-wrap: wrap; align-items: center; }
.footer__ente {
    background: rgba(255,255,255,0.08); padding: 0.75rem 1.25rem; border-radius: var(--radius-sm);
    transition: var(--transition); display: flex; align-items: center; gap: 0.5rem;
    color: var(--text-secondary); font-size: 0.85rem;
}
.footer__ente:hover { background: rgba(245,197,24,0.1); color: var(--primary); }
.footer__bottom {
    border-top: 1px solid var(--glass-border); padding-top: 1.5rem;
    text-align: center; color: var(--text-secondary); font-size: 0.85rem;
}

/* === TOAST NOTIFICATIONS === */
.toast-container { position: fixed; top: 100px; right: 1.5rem; z-index: 10000; display: flex; flex-direction: column; gap: 0.5rem; }
.toast {
    background: var(--surface); border: 1px solid var(--glass-border); color: var(--text-primary);
    padding: 1rem 1.5rem; border-radius: var(--radius-sm); min-width: 300px;
    box-shadow: var(--shadow); display: flex; align-items: center; gap: 0.75rem;
    animation: slideIn 0.3s ease; backdrop-filter: blur(10px);
}
.toast.success { border-left: 4px solid var(--success); }
.toast.error { border-left: 4px solid var(--accent); }
@keyframes slideIn { from { transform: translateX(100%); opacity: 0; } to { transform: translateX(0); opacity: 1; } }

/* === BACK TO TOP === */
.back-to-top {
    position: fixed; bottom: 2rem; right: 2rem; width: 50px; height: 50px;
    background: var(--primary); color: var(--secondary); border-radius: 50%;
    display: flex; align-items: center; justify-content: center; font-size: 1.3rem;
    opacity: 0; visibility: hidden; transition: var(--transition); z-index: 999;
    box-shadow: var(--glow);
}
.back-to-top.visible { opacity: 1; visibility: visible; }
.back-to-top:hover { transform: translateY(-3px); background: var(--primary-light); }

/* === LOADING === */
.loader {
    position: fixed; inset: 0; background: var(--secondary); z-index: 99999;
    display: flex; align-items: center; justify-content: center;
    transition: opacity 0.5s ease;
}
.loader.hidden { opacity: 0; pointer-events: none; }
.loader__spinner {
    width: 50px; height: 50px; border: 3px solid var(--surface-light);
    border-top-color: var(--primary); border-radius: 50%;
    animation: spin 0.8s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* === RESPONSIVE === */
@media (max-width: 1024px) {
    .footer__grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 768px) {
    .navbar__menu {
        position: fixed; top: 0; right: -100%; width: 80%; max-width: 350px; height: 100vh;
        background: var(--surface); flex-direction: column; padding: 5rem 2rem 2rem;
        transition: right 0.4s ease; box-shadow: -10px 0 30px rgba(0,0,0,0.5); gap: 0;
    }
    .navbar__menu.active { right: 0; }
    .navbar__hamburger { display: flex; z-index: 1001; }
    .navbar__link { padding: 0.8rem 1rem; width: 100%; }
    .navbar__dropdown-content {
        position: static; opacity: 1; visibility: visible; transform: none;
        background: rgba(0,0,0,0.2); box-shadow: none; display: none;
    }
    .navbar__dropdown.open .navbar__dropdown-content { display: block; }
    .contact-grid { grid-template-columns: 1fr; }
    .footer__grid { grid-template-columns: 1fr; gap: 2rem; }
    .gallery-grid { grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); }
    .gallery-cards { grid-template-columns: 1fr; }
    .section { padding: 4rem 1.25rem; }
    .hero__logo { width: 220px; }
}
@media (max-width: 480px) {
    .gallery-grid { grid-template-columns: 1fr 1fr; gap: 0.5rem; }
    .about__grid { grid-template-columns: 1fr; }
    .norm-grid { grid-template-columns: 1fr; }
    .hero__cta { padding: 0.8rem 1.5rem; font-size: 0.95rem; }
}