/*
 * Front público. Móvil primero (320 px → 2560 px).
 * Los colores y tipografías son variables CSS: en la fase 2 el editor de Diseño
 * las sobrescribe desde theme.css.
 */

:root {
    --color-bg: #ffffff;
    --color-text: #1a1a1a;
    --color-muted: #6b6b6b;
    --color-accent: #1a1a1a;
    --color-bg-alt: #f4f3f1;
    --font-heading: Georgia, "Times New Roman", serif;
    --font-body: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
    --font-size-base: 17px;
    --heading-tracking: normal;
    --heading-transform: none;
    --content-max: 1400px;
    --text-max: 46rem;
    --radius: 0px;
    --gutter: clamp(16px, 4vw, 48px);
    --header-h: 64px;
}

*, *::before, *::after { box-sizing: border-box; }
[hidden] { display: none !important; }

html {
    font-size: var(--font-size-base);
    -webkit-text-size-adjust: 100%;
}

body {
    margin: 0;
    background: var(--color-bg);
    color: var(--color-text);
    font-family: var(--font-body);
    line-height: 1.6;
    text-rendering: optimizeLegibility;
}

img { max-width: 100%; height: auto; display: block; }
a { color: inherit; }
:focus-visible { outline: 2px solid var(--color-accent); outline-offset: 3px; }

h1, h2, h3, h4 {
    font-family: var(--font-heading);
    font-weight: var(--font-heading-weight, 400);
    line-height: 1.2;
    letter-spacing: var(--heading-tracking);
    text-transform: var(--heading-transform);
    margin: 0 0 .5em;
}

.sr-only {
    position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
    overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}

.skip-link {
    position: absolute; left: 1rem; top: -100px; z-index: 1000;
    padding: .6rem 1rem;
    background: var(--color-text); color: var(--color-bg);
}
.skip-link:focus { top: 1rem; }

.container { width: 100%; max-width: var(--content-max); margin-inline: auto; padding-inline: var(--gutter); }
.container--wide { max-width: calc(var(--content-max) + 2 * var(--gutter)); }

.button {
    display: inline-block;
    padding: .7em 1.6em;
    border: 1px solid currentColor;
    border-radius: var(--radius);
    color: var(--color-text);
    text-decoration: none;
    font-size: .9rem;
    letter-spacing: .04em;
    transition: background-color .2s, color .2s;
}
.button:hover { background: var(--color-text); color: var(--color-bg); }

.prose { max-width: var(--text-max); }
.prose a { text-underline-offset: .2em; }
.prose blockquote { margin: 1.5em 0; padding-left: 1.2em; border-left: 2px solid var(--color-muted); font-style: italic; }

/* ---------------------------------------------------------------- vista previa */

.preview-bar {
    position: sticky; top: 0; z-index: 200;
    padding: .5rem var(--gutter);
    background: #fde68a; color: #1a1a1a;
    font-size: .85rem; text-align: center;
}

/* ---------------------------------------------------------------- cabecera */

.site-header {
    position: relative; z-index: 100;
    background: var(--color-bg);
}

.site-header__inner {
    display: flex; align-items: center; justify-content: space-between; gap: 1.5rem;
    max-width: calc(var(--content-max) + 2 * var(--gutter));
    min-height: var(--header-h);
    margin-inline: auto;
    padding: .75rem var(--gutter);
}

.site-logo {
    font-family: var(--font-heading);
    font-size: 1.25rem;
    letter-spacing: var(--heading-tracking);
    text-transform: var(--heading-transform);
    text-decoration: none;
}

.nav-toggle {
    position: relative; z-index: 120;
    width: 44px; height: 44px;
    border: 0; background: none; color: inherit;
    cursor: pointer;
}
.nav-toggle__bars,
.nav-toggle__bars::before,
.nav-toggle__bars::after {
    position: absolute; left: 11px; width: 22px; height: 1.5px;
    background: currentColor;
    transition: transform .25s, opacity .25s;
}
.nav-toggle__bars { top: 21px; }
.nav-toggle__bars::before { content: ""; left: 0; top: -7px; }
.nav-toggle__bars::after { content: ""; left: 0; top: 7px; }
.nav-toggle[aria-expanded="true"] .nav-toggle__bars { background: transparent; }
.nav-toggle[aria-expanded="true"] .nav-toggle__bars::before { transform: translateY(7px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] .nav-toggle__bars::after { transform: translateY(-7px) rotate(-45deg); }

/* Menú móvil: pantalla completa */
.site-nav {
    position: fixed; inset: 0; z-index: 110;
    display: flex; align-items: center; justify-content: center;
    padding: calc(var(--header-h) + 1rem) var(--gutter) 2rem;
    background: var(--color-bg);
    overflow-y: auto;
    visibility: hidden; opacity: 0;
    transition: opacity .25s, visibility .25s;
}
.site-nav.is-open { visibility: visible; opacity: 1; }

.site-nav__list, .site-nav__sub { list-style: none; margin: 0; padding: 0; }
.site-nav__list { text-align: center; }
.site-nav__list > li { margin: .6rem 0; }
.site-nav__list a {
    font-family: var(--font-heading);
    font-size: 1.6rem;
    text-decoration: none;
    letter-spacing: var(--heading-tracking);
    text-transform: var(--heading-transform);
}
.site-nav__list a[aria-current="page"] { text-decoration: underline; text-underline-offset: .3em; text-decoration-thickness: 1px; }
.site-nav__sub a { font-size: 1.15rem; color: var(--color-muted); }

body.nav-open { overflow: hidden; }

@media (min-width: 900px) {
    .nav-toggle { display: none; }
    .site-nav {
        position: static; inset: auto;
        padding: 0;
        background: none;
        visibility: visible; opacity: 1;
        overflow: visible;
    }
    .site-nav__list { display: flex; gap: 2rem; text-align: left; }
    .site-nav__list > li { position: relative; margin: 0; }
    .site-nav__list a { font-family: var(--font-body); font-size: .85rem; letter-spacing: .06em; text-transform: uppercase; }
    .site-nav__sub {
        position: absolute; top: 100%; left: -1rem; min-width: 12rem;
        padding: .75rem 1rem;
        background: var(--color-bg);
        box-shadow: 0 8px 24px rgb(0 0 0 / .08);
        visibility: hidden; opacity: 0;
        transition: opacity .15s;
    }
    .has-children:hover > .site-nav__sub,
    .has-children:focus-within > .site-nav__sub { visibility: visible; opacity: 1; }
    .site-nav__sub li { margin: .35rem 0; }
    .site-nav__sub a { font-size: .8rem; color: var(--color-text); }
}

/* Selector de idioma */
.lang-switch { list-style: none; display: flex; justify-content: center; gap: .75rem; margin: 2rem 0 0; padding: 0; font-size: .8rem; letter-spacing: .08em; }
.lang-switch a { text-decoration: none; opacity: .6; }
.lang-switch a:hover { opacity: 1; }
.lang-switch [aria-current] { font-weight: 600; }
@media (min-width: 900px) {
    .site-nav { display: flex; align-items: center; gap: 2rem; }
    .lang-switch { margin: 0; padding-left: 1.5rem; border-left: 1px solid color-mix(in srgb, currentColor 25%, transparent); }
}
@media (max-width: 899px) {
    .site-nav { flex-direction: column; }
}

/* Logo como imagen */
.site-logo__img { height: var(--logo-h, 40px); width: auto; }
.site-logo__img--overlay { display: none; }

/* Variantes de cabecera (editor de Diseño) */
.site-header--sticky { position: sticky; top: 0; box-shadow: 0 1px 0 color-mix(in srgb, var(--color-text) 8%, transparent); }
.site-header--overlay { position: absolute; top: 0; left: 0; right: 0; background: transparent; color: #fff; box-shadow: none; }
.site-header--overlay .site-logo__img--overlay { display: block; }
.site-header--overlay .site-logo__img--default { display: none; }
.preview-bar ~ .site-header--overlay { top: 2.1rem; }
body.nav-open .site-header--overlay { color: var(--color-text); }
body.nav-open .site-header--overlay .site-logo__img--overlay { display: none; }
body.nav-open .site-header--overlay .site-logo__img--default { display: block; }
@media (min-width: 900px) {
    .site-header--center .site-header__inner { flex-direction: column; justify-content: center; gap: .75rem; padding-block: 1.25rem; }
    .site-header--center .site-nav__list { justify-content: center; }
}

/* ---------------------------------------------------------------- contenido */

.site-main { min-height: 60vh; padding-bottom: 4rem; }
.site-main:focus { outline: none; }

.home-intro { padding-block: clamp(2rem, 8vw, 6rem) clamp(1.5rem, 5vw, 3rem); text-align: center; }
.home-intro__title { font-size: clamp(2rem, 6vw, 3.5rem); margin: 0; }
.home-intro__tagline { margin: .75rem 0 0; color: var(--color-muted); }

.empty-state { text-align: center; color: var(--color-muted); padding: 3rem 0; }

/* Tarjetas de colección */
.cards {
    list-style: none; margin: 0; padding: 0;
    display: grid; gap: clamp(1.5rem, 3vw, 2.5rem);
    grid-template-columns: minmax(0, 1fr);
}
@media (min-width: 640px) { .cards { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (min-width: 1024px) { .cards { grid-template-columns: repeat(3, minmax(0, 1fr)); } }

.card__link { display: block; text-decoration: none; }
.card__media { display: block; overflow: hidden; border-radius: var(--radius); background: var(--color-bg-alt); aspect-ratio: 3 / 2; }
.card__media img { width: 100%; height: 100%; object-fit: cover; transition: transform .6s ease; }
.card__link:hover .card__media img { transform: scale(1.03); }
.card__title { display: block; margin-top: .9rem; font-family: var(--font-heading); font-size: 1.2rem; letter-spacing: var(--heading-tracking); text-transform: var(--heading-transform); }
.card__meta { display: block; margin-top: .2rem; font-size: .85rem; color: var(--color-muted); }

/* Página de colección */
.collection__header { padding-block: clamp(2rem, 7vw, 5rem) clamp(1.5rem, 4vw, 3rem); text-align: center; }
.collection__header .prose { margin-inline: auto; }
.collection__title { font-size: clamp(1.9rem, 5vw, 3.2rem); }
.collection__meta {
    display: flex; flex-wrap: wrap; justify-content: center; gap: .4rem 2rem;
    margin: 1rem 0 1.5rem;
    font-size: .85rem;
}
.collection__meta div { display: flex; gap: .4rem; }
.collection__meta dt { color: var(--color-muted); }
.collection__meta dt::after { content: ":"; }
.collection__meta dd { margin: 0; }
.collection__description { color: var(--color-text); }

.collection-nav {
    display: grid; grid-template-columns: 1fr 1fr; gap: 1rem;
    margin-top: clamp(3rem, 8vw, 6rem);
    padding-top: 2rem;
    border-top: 1px solid color-mix(in srgb, var(--color-text) 12%, transparent);
}
.collection-nav__link { text-decoration: none; }
.collection-nav__link--next { grid-column: 2; text-align: right; }
.collection-nav__label { display: block; font-size: .75rem; letter-spacing: .08em; text-transform: uppercase; color: var(--color-muted); }
.collection-nav__title { display: block; margin-top: .25rem; font-family: var(--font-heading); font-size: 1.15rem; }

/* ---------------------------------------------------------------- galerías (común a los layouts) */

.g-item { margin: 0; }
.g-frame { display: block; overflow: hidden; border-radius: var(--radius); }
.g-frame img { width: 100%; }
.g-link { cursor: zoom-in; }
.g-caption { margin-top: .5rem; font-size: .85rem; color: var(--color-muted); }
.g-more { margin-top: 2rem; text-align: center; }

/* Pie de foto y EXIF en el lightbox */
.pswp__custom-caption {
    position: absolute; left: 50%; bottom: 16px; transform: translateX(-50%);
    width: calc(100% - 32px); max-width: 720px;
    padding: .5rem 1rem;
    color: #fff; text-align: center; font-size: .9rem;
}
.pswp__custom-caption small { display: block; margin-top: .25rem; opacity: .7; font-size: .8rem; }
.pswp__custom-caption:empty { display: none; }

/* ---------------------------------------------------------------- secciones */

.container--narrow { max-width: calc(var(--text-max) + 2 * var(--gutter)); }
.s__inner--full { width: 100%; }
.s--alt { background: var(--color-bg-alt); }
.s--pt-none { padding-top: 0; } .s--pt-s { padding-top: clamp(1rem, 2vw, 1.5rem); } .s--pt-m { padding-top: clamp(2rem, 5vw, 4rem); } .s--pt-l { padding-top: clamp(3.5rem, 9vw, 7rem); }
.s--pb-none { padding-bottom: 0; } .s--pb-s { padding-bottom: clamp(1rem, 2vw, 1.5rem); } .s--pb-m { padding-bottom: clamp(2rem, 5vw, 4rem); } .s--pb-l { padding-bottom: clamp(3.5rem, 9vw, 7rem); }
.s + .s--alt, .s--alt + .s { margin-top: 0; }
.s__header { max-width: var(--text-max); margin: 0 auto clamp(1.5rem, 3vw, 2.5rem); text-align: center; }
.s__title { font-size: clamp(1.5rem, 3.5vw, 2.3rem); }
.s__intro { margin: 0; color: var(--color-muted); }

.page-header { padding-block: clamp(2rem, 7vw, 5rem) 0; text-align: center; }
.page-header__title { font-size: clamp(1.9rem, 5vw, 3.2rem); margin: 0; }

.button--solid { background: var(--color-accent); border-color: var(--color-accent); color: var(--color-bg); }
.button--solid:hover { background: transparent; color: var(--color-accent); }
.button--light { color: #fff; border-color: #fff; }
.button--light:hover { background: #fff; color: #111; }

/* Hero */
.hero {
    position: relative; isolation: isolate;
    display: flex; align-items: center;
    min-height: calc(var(--hero-h) * 1vh);
    min-height: calc(var(--hero-h) * 1svh);
    color: #fff;
    overflow: hidden;
    background: #111;
}
.hero--plain { background: var(--color-bg-alt); color: var(--color-text); }
.hero__slide { position: absolute; inset: 0; z-index: -2; opacity: 0; transition: opacity 1.2s ease; }
.hero__slide.is-active { opacity: 1; }
.hero__img { width: 100%; height: 100%; object-fit: cover; }
.hero:not(.hero--plain)::after { content: ""; position: absolute; inset: 0; z-index: -1; background: rgb(0 0 0 / var(--hero-overlay)); }
.hero__content { padding-block: 4rem; }
.hero--center .hero__content { text-align: center; }
.hero--right .hero__content { text-align: right; }
.hero__title { font-size: clamp(2.2rem, 7vw, 4.8rem); margin: 0; color: inherit; }
.hero__subtitle { margin: .75rem 0 0; font-size: clamp(1rem, 2vw, 1.3rem); opacity: .9; }
.hero__actions { margin-top: 2rem; }
.hero--plain .button--light { color: var(--color-text); border-color: var(--color-text); }

/* Índice de colecciones: rejilla (por defecto), lista y masonry */
.cards { --cards-cols: 3; }
@media (min-width: 1024px) { .cards--grid { grid-template-columns: repeat(var(--cards-cols), minmax(0, 1fr)); } }
.cards--list { grid-template-columns: minmax(0, 1fr) !important; gap: 1.25rem; }
.cards--list .card__link { display: grid; grid-template-columns: minmax(120px, 1fr) 2fr; gap: 1.25rem; align-items: center; }
.cards--list .card__title { margin-top: 0; font-size: clamp(1.15rem, 2.5vw, 1.6rem); }
.cards--masonry { display: block; column-count: 1; column-gap: clamp(1.5rem, 3vw, 2.5rem); }
@media (min-width: 640px) { .cards--masonry { column-count: 2; } }
@media (min-width: 1024px) { .cards--masonry { column-count: var(--cards-cols); } }
.cards--masonry .card { break-inside: avoid; margin-bottom: clamp(1.5rem, 3vw, 2.5rem); }
.cards--masonry .card__media { aspect-ratio: auto; }
.cards--masonry .card__media img { height: auto; }
.card__body { display: block; }

/* Texto */
.text-block--center { margin-inline: auto; text-align: center; }
.text-block { margin-inline: auto; }
.text-block--cols { max-width: none; }
@media (min-width: 900px) { .text-block--cols { columns: 2; column-gap: 3rem; } .text-block--cols > * { break-inside: avoid; } }
.prose > :first-child { margin-top: 0; }
.prose > :last-child { margin-bottom: 0; }

/* Imagen + texto */
.image-text { display: grid; gap: clamp(1.5rem, 4vw, 4rem); align-items: center; }
@media (min-width: 900px) {
    .image-text { grid-template-columns: 1fr 1fr; }
    .image-text--right .image-text__media { order: 2; }
}
.image-text__media { overflow: hidden; border-radius: var(--radius); }
.image-text__media img.is-cropped { aspect-ratio: var(--ratio); object-fit: cover; width: 100%; }

/* Imagen destacada */
.feature-image { margin: 0; }
.feature-image img { width: 100%; border-radius: var(--radius); }
.s__inner--full .feature-image img { border-radius: 0; }

/* Llamada a la acción */
.cta { text-align: center; max-width: var(--text-max); margin-inline: auto; }
.cta__title { font-size: clamp(1.6rem, 4vw, 2.6rem); }
.cta__text { color: var(--color-muted); }
.cta__buttons { display: flex; flex-wrap: wrap; justify-content: center; gap: .75rem; margin-top: 1.75rem; }
.cta--boxed { max-width: none; padding: clamp(2rem, 6vw, 4.5rem) var(--gutter); border: 1px solid color-mix(in srgb, var(--color-text) 15%, transparent); border-radius: var(--radius); }
.cta--inverted { max-width: none; padding: clamp(2.5rem, 7vw, 5rem) var(--gutter); background: var(--color-text); color: var(--color-bg); border-radius: var(--radius); }
.cta--inverted .cta__text { color: inherit; opacity: .8; }
.cta--inverted .button { color: var(--color-bg); border-color: var(--color-bg); }
.cta--inverted .button--solid { background: var(--color-bg); color: var(--color-text); }

/* Separador */
.divider { border: 0; border-top: 1px solid color-mix(in srgb, var(--color-text) 15%, transparent); margin: 0; }
.divider-space { height: clamp(1.5rem, 4vw, 3rem); }

/* Formulario de contacto */
.contact { max-width: var(--text-max); margin-inline: auto; }
.contact__grid { display: grid; gap: 1rem 1.25rem; }
@media (min-width: 640px) { .contact__grid { grid-template-columns: 1fr 1fr; } .contact__grid .field--full { grid-column: 1 / -1; } }
.contact .field { margin: 0; display: flex; flex-direction: column; gap: .35rem; font-size: .9rem; }
.field__optional { color: var(--color-muted); }
.contact input, .contact textarea {
    width: 100%; padding: .7rem .8rem;
    border: 1px solid color-mix(in srgb, var(--color-text) 25%, transparent);
    border-radius: var(--radius);
    background: var(--color-bg); color: var(--color-text);
    font: inherit;
}
.contact input:focus, .contact textarea:focus { outline: 2px solid var(--color-accent); outline-offset: 1px; }
.contact__trap { position: absolute; left: -10000px; width: 1px; height: 1px; overflow: hidden; }
.contact__privacy { font-size: .8rem; color: var(--color-muted); }
.notice { padding: .9rem 1.1rem; border-radius: var(--radius); }
.notice--success { background: color-mix(in srgb, #15803d 12%, var(--color-bg)); }
.notice--error { background: color-mix(in srgb, #b91c1c 12%, var(--color-bg)); }

/* ---------------------------------------------------------------- pie */

.site-footer { padding: 3rem 0; background: var(--color-bg-alt); font-size: .85rem; color: var(--color-muted); }
.site-footer__inner { max-width: calc(var(--content-max) + 2 * var(--gutter)); margin-inline: auto; padding-inline: var(--gutter); text-align: center; }
.site-footer__text { margin: 0 0 1rem; color: var(--color-text); }
.social { list-style: none; display: flex; flex-wrap: wrap; justify-content: center; gap: .5rem 1.5rem; margin: 0 0 1rem; padding: 0; }
.social a { text-decoration: none; letter-spacing: .04em; }
.social a:hover { text-decoration: underline; }
.site-footer__copy { margin: 0; }

@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after { transition-duration: 0s !important; animation-duration: 0s !important; scroll-behavior: auto !important; }
}