/* ========================================
   ATVFOTOS.CL — Estilos Principales
   Fotógrafo Oficial ANFP
   ======================================== */

/* === VARIABLES CSS === */
:root {
    --bg-primary: #0a0a0f;
    --bg-secondary: #111118;
    --bg-card: #16161f;
    --bg-card-hover: #1c1c28;
    --text-primary: #f0f0f5;
    --text-secondary: #a0a0b8;
    --text-muted: #6b6b80;
    --accent: #6366f1;
    --accent-light: #818cf8;
    --gold: #f5a623;
    --gold-light: #fbbf24;
    --green-wa: #25d366;
    --border: rgba(255,255,255,0.06);
    --border-hover: rgba(255,255,255,0.12);
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --radius-xl: 28px;
    --shadow-sm: 0 2px 8px rgba(0,0,0,0.3);
    --shadow-md: 0 8px 32px rgba(0,0,0,0.4);
    --shadow-lg: 0 16px 64px rgba(0,0,0,0.5);
    --font-main: 'Inter', system-ui, sans-serif;
    --font-display: 'Playfair Display', Georgia, serif;
    --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --header-h: 72px;
}

/* === RESET & BASE === */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
    font-family: var(--font-main);
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.7;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; display: block; }
a { text-decoration: none; color: inherit; transition: color var(--transition); }
ul { list-style: none; }
button { border: none; background: none; cursor: pointer; font-family: inherit; color: inherit; }

.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }
.text-accent { color: var(--accent-light); }

/* === HEADER === */
.header {
    position: fixed; top: 0; left: 0; width: 100%; z-index: 1000;
    background: rgba(10,10,15,0.8);
    backdrop-filter: blur(20px); -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border);
    transition: background var(--transition), box-shadow var(--transition);
}
.header.scrolled { background: rgba(10,10,15,0.95); box-shadow: var(--shadow-sm); }
.header__container {
    max-width: 1200px; margin: 0 auto; padding: 0 24px;
    display: flex; align-items: center; justify-content: space-between;
    height: var(--header-h);
}
.header__logo { display: flex; align-items: baseline; font-size: 1.5rem; font-weight: 800; letter-spacing: -0.5px; }
.logo__atv { color: var(--accent-light); }
.logo__fotos { color: var(--text-primary); }
.logo__cl { color: var(--text-muted); font-size: 0.9rem; font-weight: 500; }

.nav__list { display: flex; gap: 32px; }
.nav__link {
    font-size: 0.875rem; font-weight: 500; color: var(--text-secondary);
    position: relative; padding: 4px 0; transition: color var(--transition);
}
.nav__link::after {
    content: ''; position: absolute; bottom: -2px; left: 0; width: 0; height: 2px;
    background: var(--accent); border-radius: 2px; transition: width var(--transition);
}
.nav__link:hover, .nav__link.active { color: var(--text-primary); }
.nav__link:hover::after, .nav__link.active::after { width: 100%; }

.header__cta {
    display: inline-flex; align-items: center; gap: 8px;
    padding: 10px 20px; border-radius: var(--radius-xl);
    background: linear-gradient(135deg, var(--accent), #4f46e5);
    color: #fff; font-size: 0.85rem; font-weight: 600;
    transition: transform var(--transition), box-shadow var(--transition);
}
.header__cta:hover { transform: translateY(-2px); box-shadow: 0 8px 24px rgba(99,102,241,0.4); }

/* Hamburger */
.header__toggle { display: none; flex-direction: column; gap: 5px; padding: 4px; }
.toggle__bar { width: 24px; height: 2px; background: var(--text-primary); border-radius: 2px; transition: var(--transition); }
.header__toggle.active .toggle__bar:nth-child(1) { transform: rotate(45deg) translate(5px,5px); }
.header__toggle.active .toggle__bar:nth-child(2) { opacity: 0; }
.header__toggle.active .toggle__bar:nth-child(3) { transform: rotate(-45deg) translate(5px,-5px); }

/* === HERO === */
.hero {
    position: relative; min-height: 100vh; display: flex; align-items: center;
    justify-content: center; overflow: hidden;
}
.hero__bg { position: absolute; inset: 0; }
.hero__slider { position: absolute; inset: 0; }
.hero__slide {
    position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover;
    opacity: 0; transform: scale(1.05);
    transition: opacity 1.5s ease-in-out, transform 8s ease-in-out;
}
.hero__slide.active { opacity: 1; transform: scale(1.15); }
.hero__slide.prev { opacity: 0; transform: scale(1.2); }
.hero__overlay {
    position: absolute; inset: 0;
    background: linear-gradient(180deg, rgba(10,10,15,0.5) 0%, rgba(10,10,15,0.7) 50%, rgba(10,10,15,0.95) 100%);
}
.hero__content {
    position: relative; z-index: 2; text-align: center;
    max-width: 800px; padding: 0 24px;
    animation: fadeUp 1s ease-out 0.3s both;
}
@keyframes fadeUp { from { opacity: 0; transform: translateY(40px); } to { opacity: 1; transform: translateY(0); } }

.hero__badge {
    display: inline-flex; align-items: center; gap: 8px;
    padding: 8px 20px; border-radius: var(--radius-xl);
    background: rgba(99,102,241,0.15); border: 1px solid rgba(99,102,241,0.3);
    color: var(--accent-light); font-size: 0.8rem; font-weight: 600;
    text-transform: uppercase; letter-spacing: 1.5px; margin-bottom: 24px;
    animation: fadeUp 1s ease-out 0.5s both;
}
.hero__title {
    font-family: var(--font-display); font-size: clamp(2.2rem, 5vw, 4rem);
    font-weight: 700; line-height: 1.15; margin-bottom: 20px; letter-spacing: -0.5px;
    animation: fadeUp 1s ease-out 0.7s both;
}
.hero__title--accent { color: var(--accent-light); font-style: italic; }
.hero__subtitle {
    font-size: clamp(0.95rem, 1.5vw, 1.15rem); color: var(--text-secondary);
    max-width: 620px; margin: 0 auto 36px; line-height: 1.8;
    animation: fadeUp 1s ease-out 0.9s both;
}
.hero__actions {
    display: flex; gap: 16px; justify-content: center; flex-wrap: wrap;
    animation: fadeUp 1s ease-out 1.1s both;
}

/* Buttons */
.btn {
    display: inline-flex; align-items: center; gap: 10px;
    padding: 14px 28px; border-radius: var(--radius-xl);
    font-size: 0.9rem; font-weight: 600; cursor: pointer;
    transition: transform var(--transition), box-shadow var(--transition);
}
.btn:hover { transform: translateY(-2px); }
.btn--primary { background: linear-gradient(135deg, var(--accent), #4f46e5); color: #fff; }
.btn--primary:hover { box-shadow: 0 8px 32px rgba(99,102,241,0.4); }
.btn--gold { background: linear-gradient(135deg, var(--gold), #e09900); color: #0a0a0f; }
.btn--gold:hover { box-shadow: 0 8px 32px rgba(245,166,35,0.4); }
.btn--lg { padding: 16px 36px; font-size: 1rem; }

/* Scroll indicator */
.hero__scroll {
    position: absolute; bottom: 32px; left: 50%; transform: translateX(-50%);
    display: flex; flex-direction: column; align-items: center; gap: 8px;
    animation: fadeUp 1s ease-out 1.5s both;
}
.hero__scroll span { font-size: 0.7rem; text-transform: uppercase; letter-spacing: 2px; color: var(--text-muted); }
.hero__scroll-line { width: 1px; height: 40px; background: var(--text-muted); animation: scrollPulse 2s ease-in-out infinite; }
@keyframes scrollPulse { 0%,100% { opacity: 0.3; transform: scaleY(0.5); } 50% { opacity: 1; transform: scaleY(1); } }

/* === SECTION HEADERS === */
.section-header { text-align: center; margin-bottom: 60px; }
.section-header__tag {
    display: inline-block; padding: 6px 16px; border-radius: var(--radius-xl);
    background: rgba(99,102,241,0.1); border: 1px solid rgba(99,102,241,0.2);
    color: var(--accent-light); font-size: 0.75rem; font-weight: 600;
    text-transform: uppercase; letter-spacing: 2px; margin-bottom: 16px;
}
.section-header__title {
    font-family: var(--font-display); font-size: clamp(1.8rem, 4vw, 2.8rem);
    font-weight: 700; margin-bottom: 16px; letter-spacing: -0.5px;
}
.section-header__desc { color: var(--text-secondary); max-width: 560px; margin: 0 auto; font-size: 1rem; }

/* === ABOUT === */
.about { padding: 120px 0; }
.about__grid { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: start; }
.about__image-wrapper { position: relative; }
.about__image-frame {
    border-radius: var(--radius-lg); overflow: hidden;
    border: 1px solid var(--border); position: relative;
}
.about__image-frame::after {
    content: ''; position: absolute; inset: 0;
    background: linear-gradient(180deg, transparent 60%, rgba(10,10,15,0.6) 100%);
}
.about__image { width: 100%; aspect-ratio: 4/3; object-fit: cover; transition: transform 0.6s ease; }
.about__image-frame:hover .about__image { transform: scale(1.05); }

.about__stats {
    display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin-top: 24px;
}
.stat {
    text-align: center; padding: 20px 8px;
    background: var(--bg-card); border-radius: var(--radius-md);
    border: 1px solid var(--border);
}
.stat__number { display: block; font-size: 1.8rem; font-weight: 800; color: var(--accent-light); }
.stat__label { font-size: 0.7rem; color: var(--text-muted); text-transform: uppercase; letter-spacing: 1px; }

.about__text { color: var(--text-secondary); margin-bottom: 20px; font-size: 0.95rem; }
.about__text strong { color: var(--text-primary); }

.about__cards { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-top: 32px; }
.about__card {
    padding: 24px; border-radius: var(--radius-md);
    background: var(--bg-card); border: 1px solid var(--border);
    transition: border-color var(--transition), transform var(--transition);
}
.about__card:hover { border-color: var(--border-hover); transform: translateY(-4px); }
.about__card-icon {
    width: 48px; height: 48px; border-radius: var(--radius-sm);
    background: rgba(99,102,241,0.1); display: flex; align-items: center;
    justify-content: center; color: var(--accent-light); margin-bottom: 16px;
}
.about__card h3 { font-size: 1rem; font-weight: 700; margin-bottom: 8px; }
.about__card p { font-size: 0.85rem; color: var(--text-secondary); line-height: 1.7; }

/* === GALLERY === */
.gallery { padding: 120px 0; background: var(--bg-secondary); }

.gallery__folders {
    display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: 20px; margin-bottom: 40px;
}
.folder-card {
    padding: 24px; border-radius: var(--radius-md);
    background: var(--bg-card); border: 1px solid var(--border);
    cursor: pointer; text-align: center;
    transition: all var(--transition);
}
.folder-card:hover { border-color: var(--accent); transform: translateY(-4px); box-shadow: 0 8px 32px rgba(99,102,241,0.15); }
.folder-card.active { border-color: var(--accent); background: rgba(99,102,241,0.08); }
.folder-card__icon { font-size: 2.5rem; margin-bottom: 12px; }
.folder-card__name { font-size: 0.85rem; font-weight: 600; margin-bottom: 4px; }
.folder-card__count { font-size: 0.75rem; color: var(--text-muted); }

/* Breadcrumb */
.gallery__breadcrumb {
    display: none; align-items: center; gap: 8px;
    padding: 12px 20px; border-radius: var(--radius-md);
    background: var(--bg-card); border: 1px solid var(--border);
    margin-bottom: 32px; font-size: 0.85rem;
}
.gallery__breadcrumb.visible { display: flex; }
.breadcrumb__root {
    display: flex; align-items: center; gap: 6px;
    color: var(--accent-light); font-weight: 600; font-size: 0.85rem;
    transition: opacity var(--transition);
}
.breadcrumb__root:hover { opacity: 0.8; }
.breadcrumb__separator { color: var(--text-muted); }
.breadcrumb__current { color: var(--text-secondary); font-weight: 500; }

/* Photo grid */
.gallery__grid {
    display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 16px; margin-bottom: 48px;
}
.gallery__grid.hidden { display: none; }

.photo-card {
    position: relative; border-radius: var(--radius-md); overflow: hidden;
    cursor: pointer; border: 1px solid var(--border);
    transition: transform var(--transition), box-shadow var(--transition);
    animation: fadeIn 0.5s ease-out both;
}
@keyframes fadeIn { from { opacity: 0; transform: scale(0.95); } to { opacity: 1; transform: scale(1); } }
.photo-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
.photo-card img { width: 100%; aspect-ratio: 4/3; object-fit: cover; transition: transform 0.5s ease; }
.photo-card:hover img { transform: scale(1.08); }
.photo-card__overlay {
    position: absolute; inset: 0;
    background: linear-gradient(180deg, transparent 50%, rgba(10,10,15,0.8) 100%);
    opacity: 0; transition: opacity var(--transition);
    display: flex; align-items: flex-end; padding: 20px;
}
.photo-card:hover .photo-card__overlay { opacity: 1; }
.photo-card__overlay svg { color: #fff; }

/* Gallery CTA */
.gallery__cta { text-align: center; padding-top: 20px; }
.gallery__cta-text { margin-top: 12px; color: var(--text-muted); font-size: 0.85rem; }

/* === LIGHTBOX === */
.lightbox {
    position: fixed; inset: 0; z-index: 2000;
    background: rgba(0,0,0,0.95); backdrop-filter: blur(10px);
    display: flex; align-items: center; justify-content: center;
    opacity: 0; visibility: hidden; transition: opacity 0.4s, visibility 0.4s;
}
.lightbox.active { opacity: 1; visibility: visible; }
.lightbox__close {
    position: absolute; top: 20px; right: 20px; z-index: 10;
    width: 48px; height: 48px; border-radius: 50%;
    background: rgba(255,255,255,0.1); color: #fff;
    display: flex; align-items: center; justify-content: center;
    transition: background var(--transition);
}
.lightbox__close:hover { background: rgba(255,255,255,0.2); }
.lightbox__nav {
    position: absolute; top: 50%; transform: translateY(-50%); z-index: 10;
    width: 56px; height: 56px; border-radius: 50%;
    background: rgba(255,255,255,0.08); color: #fff;
    display: flex; align-items: center; justify-content: center;
    transition: background var(--transition);
}
.lightbox__nav:hover { background: rgba(255,255,255,0.2); }
.lightbox__nav--prev { left: 20px; }
.lightbox__nav--next { right: 20px; }
.lightbox__content { max-width: 90vw; max-height: 85vh; display: flex; align-items: center; justify-content: center; }
.lightbox__img {
    max-width: 100%; max-height: 85vh; object-fit: contain;
    border-radius: var(--radius-sm);
    transition: opacity 0.4s ease;
}
.lightbox__img.fade-out { opacity: 0; }
.lightbox__counter {
    position: absolute; bottom: 24px; left: 50%; transform: translateX(-50%);
    color: var(--text-muted); font-size: 0.85rem; font-weight: 500;
}

/* === WHATSAPP FLOAT === */
.whatsapp-float {
    position: fixed; bottom: 28px; right: 28px; z-index: 1500;
    width: 60px; height: 60px; border-radius: 50%;
    background: var(--green-wa); color: #fff;
    display: flex; align-items: center; justify-content: center;
    box-shadow: 0 4px 24px rgba(37,211,102,0.4);
    transition: transform var(--transition), box-shadow var(--transition);
    animation: waFloat 3s ease-in-out infinite;
}
@keyframes waFloat { 0%,100% { transform: translateY(0); } 50% { transform: translateY(-6px); } }
.whatsapp-float:hover { transform: scale(1.1); box-shadow: 0 8px 32px rgba(37,211,102,0.6); animation: none; }
.whatsapp-float__tooltip {
    position: absolute; right: 72px; top: 50%; transform: translateY(-50%);
    background: var(--bg-card); color: var(--text-primary);
    padding: 8px 16px; border-radius: var(--radius-sm);
    font-size: 0.8rem; font-weight: 600; white-space: nowrap;
    box-shadow: var(--shadow-sm); border: 1px solid var(--border);
    opacity: 0; pointer-events: none; transition: opacity var(--transition);
}
.whatsapp-float:hover .whatsapp-float__tooltip { opacity: 1; }

/* === FOOTER === */
.footer { padding: 80px 0 0; background: var(--bg-primary); border-top: 1px solid var(--border); }
.footer__grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1.5fr; gap: 48px; padding-bottom: 48px; }
.footer__tagline { color: var(--text-secondary); font-size: 0.9rem; margin: 16px 0 24px; max-width: 300px; }
.footer__socials { display: flex; gap: 12px; }
.footer__social {
    width: 40px; height: 40px; border-radius: 50%;
    background: var(--bg-card); border: 1px solid var(--border);
    display: flex; align-items: center; justify-content: center;
    color: var(--text-secondary); transition: all var(--transition);
}
.footer__social:hover { color: var(--accent-light); border-color: var(--accent); transform: translateY(-3px); }
.footer__heading { font-size: 0.85rem; font-weight: 700; text-transform: uppercase; letter-spacing: 1px; margin-bottom: 20px; }
.footer__links ul { display: flex; flex-direction: column; gap: 12px; }
.footer__links a { color: var(--text-secondary); font-size: 0.9rem; transition: color var(--transition); }
.footer__links a:hover { color: var(--accent-light); }
.footer__contact ul { display: flex; flex-direction: column; gap: 14px; }
.footer__contact li { display: flex; align-items: center; gap: 10px; color: var(--text-secondary); font-size: 0.9rem; }
.footer__contact a { color: var(--text-secondary); }
.footer__contact a:hover { color: var(--accent-light); }
.footer__bottom {
    display: flex; justify-content: space-between; align-items: center;
    padding: 24px 0; border-top: 1px solid var(--border);
    font-size: 0.8rem; color: var(--text-muted);
}

/* === BOOKING === */
.booking { padding: 120px 0; }
.booking__grid { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: start; }
.booking__info { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.booking__card {
    padding: 24px; border-radius: var(--radius-md);
    background: var(--bg-card); border: 1px solid var(--border);
    transition: border-color var(--transition), transform var(--transition);
}
.booking__card:hover { border-color: var(--accent); transform: translateY(-4px); }
.booking__card-icon { font-size: 2rem; margin-bottom: 12px; }
.booking__card h3 { font-size: 0.95rem; font-weight: 700; margin-bottom: 8px; }
.booking__card p { font-size: 0.82rem; color: var(--text-secondary); line-height: 1.7; }

.booking__form-wrapper { position: sticky; top: 100px; }
.booking__form {
    padding: 36px; border-radius: var(--radius-lg);
    background: var(--bg-card); border: 1px solid var(--border);
}
.booking__form-title {
    font-family: var(--font-display); font-size: 1.4rem;
    font-weight: 700; margin-bottom: 28px; text-align: center;
}
.form__group { margin-bottom: 18px; }
.form__group label {
    display: block; font-size: 0.8rem; font-weight: 600;
    color: var(--text-secondary); margin-bottom: 6px; text-transform: uppercase; letter-spacing: 0.5px;
}
.form__group input,
.form__group select,
.form__group textarea {
    width: 100%; padding: 12px 16px; border-radius: var(--radius-sm);
    background: var(--bg-primary); border: 1px solid var(--border);
    color: var(--text-primary); font-family: var(--font-main); font-size: 0.9rem;
    transition: border-color var(--transition);
    outline: none;
}
.form__group input:focus,
.form__group select:focus,
.form__group textarea:focus { border-color: var(--accent); }
.form__group select { cursor: pointer; }
.form__group textarea { resize: vertical; min-height: 80px; }
.booking__submit { width: 100%; justify-content: center; margin-top: 8px; }

/* Booking success toast */
.booking__toast {
    position: fixed; bottom: 100px; left: 50%; transform: translateX(-50%) translateY(20px);
    background: var(--accent); color: #fff; padding: 16px 32px; border-radius: var(--radius-xl);
    font-weight: 600; font-size: 0.9rem; z-index: 3000;
    opacity: 0; transition: opacity 0.4s, transform 0.4s; pointer-events: none;
}
.booking__toast.visible { opacity: 1; transform: translateX(-50%) translateY(0); }

/* === SCROLL REVEAL === */
.reveal {
    opacity: 0; transform: translateY(30px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}
.reveal.revealed { opacity: 1; transform: translateY(0); }

/* === RESPONSIVE === */
@media (max-width: 1024px) {
    .about__grid { grid-template-columns: 1fr; gap: 48px; }
    .footer__grid { grid-template-columns: 1fr 1fr; gap: 32px; }
}

@media (max-width: 768px) {
    .header__toggle { display: flex; }
    .header__nav {
        position: fixed; top: 0; right: -100%; width: 280px; height: 100vh;
        background: var(--bg-secondary); border-left: 1px solid var(--border);
        padding: 100px 32px 32px; transition: right var(--transition);
        z-index: 999;
    }
    .header__nav.active { right: 0; }
    .nav__list { flex-direction: column; gap: 24px; }
    .nav__link { font-size: 1.1rem; }
    .header__cta { display: none; }

    .hero__title { font-size: 2rem; }
    .hero__actions { flex-direction: column; align-items: center; }

    .about__cards { grid-template-columns: 1fr; }
    .about__stats { grid-template-columns: repeat(3, 1fr); gap: 8px; }

    .gallery__folders { grid-template-columns: repeat(2, 1fr); }
    .gallery__grid { grid-template-columns: repeat(auto-fill, minmax(160px, 1fr)); gap: 10px; }

    .booking__grid { grid-template-columns: 1fr; }
    .booking__info { grid-template-columns: 1fr 1fr; }
    .booking__form-wrapper { position: static; }

    .footer__grid { grid-template-columns: 1fr; gap: 32px; }
    .footer__bottom { flex-direction: column; gap: 8px; text-align: center; }

    .lightbox__nav { width: 44px; height: 44px; }
    .lightbox__nav--prev { left: 8px; }
    .lightbox__nav--next { right: 8px; }
    .whatsapp-float { width: 52px; height: 52px; bottom: 20px; right: 20px; }
}

@media (max-width: 480px) {
    .gallery__folders { grid-template-columns: 1fr; }
    .stat__number { font-size: 1.4rem; }
}