/* ==========================================================================
   Nieves Millán Moya — Galería de acuarelas
   ========================================================================== */

/* Reset ------------------------------------------------------------------ */
*,
*::before,
*::after { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body,
h1, h2, h3, h4, p, figure, blockquote, dl, dd, ul, ol {
  margin: 0;
  padding: 0;
}

ul, ol { list-style: none; }

img { display: block; max-width: 100%; height: auto; }

button { font: inherit; color: inherit; }

/* Tokens ----------------------------------------------------------------- */
:root {
  --paper: #fbf9f5;
  --paper-warm: #f4eee4;
  --ink: #2d2821;
  --ink-soft: #6d6355;
  --line: #e2dacd;
  --accent: #8a6a45;
  --frame: #faf6ee;
  --header-bg: rgba(251, 249, 245, .92);
  --on-accent: #ffffff;
  --prose: #413a30;
  --link-line: #cbb99f;

  --display: "Cormorant Garamond", "Iowan Old Style", Georgia, serif;
  --text: "Lora", Georgia, "Times New Roman", serif;

  --container: 1220px;
  --gutter: clamp(1.15rem, 4vw, 2.5rem);
  --section: clamp(3.5rem, 7vw, 6rem);

  --ease: cubic-bezier(.22, .61, .36, 1);
}

/* Modo oscuro ------------------------------------------------------------ */
:root[data-theme="dark"] {
  --paper: #16130f;
  --paper-warm: #1e1a15;
  --ink: #ebe2d3;
  --ink-soft: #a49886;
  --line: #342c25;
  --accent: #c9a877;
  --frame: #100d0a;
  --header-bg: rgba(22, 19, 15, .92);
  --on-accent: #17130f;
  --prose: #d9cfc0;
  --link-line: #5a4834;
  color-scheme: dark;
}

html { scroll-behavior: smooth; }

body {
  font-family: var(--text);
  font-size: 1.0625rem;
  line-height: 1.75;
  color: var(--ink);
  background-color: var(--paper);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

::selection { background: #e6d9c4; color: var(--ink); }

:root[data-theme="dark"] ::selection { background: #4a3b28; color: var(--ink); }

body,
.site-header,
.site-footer,
.quote,
.contact-card {
  transition: background-color .45s var(--ease), color .45s var(--ease), border-color .45s var(--ease);
}

a { color: inherit; text-decoration: none; }

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}

/* Layout ----------------------------------------------------------------- */
.container {
  width: 100%;
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.container--narrow { max-width: 760px; }

.section { padding-block: var(--section); }
.section--tight { padding-block: clamp(2.5rem, 5vw, 4rem) clamp(3.5rem, 7vw, 6rem); }

.site-main { display: block; }

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  z-index: 200;
  background: var(--ink);
  color: var(--paper);
  padding: .75rem 1.25rem;
  font-size: .8rem;
  letter-spacing: .1em;
  text-transform: uppercase;
}
.skip-link:focus { left: 1rem; top: 1rem; }

/* Typography helpers ----------------------------------------------------- */
.eyebrow {
  font-family: var(--text);
  font-size: .68rem;
  font-weight: 500;
  letter-spacing: .22em;
  text-transform: uppercase;
  color: var(--accent);
}

.section__head { margin-bottom: clamp(2rem, 4vw, 3rem); }

.section__title {
  font-family: var(--display);
  font-size: clamp(1.9rem, 3.4vw, 2.6rem);
  font-weight: 500;
  line-height: 1.15;
  letter-spacing: -.005em;
  margin-top: .6rem;
}

.section__more { margin-top: clamp(2rem, 4vw, 3rem); }

/* Buttons & links -------------------------------------------------------- */
.btn {
  display: inline-block;
  font-family: var(--text);
  font-size: .74rem;
  font-weight: 500;
  letter-spacing: .16em;
  text-transform: uppercase;
  padding: 1.05rem 2rem;
  background: var(--ink);
  color: var(--paper);
  border: 1px solid var(--ink);
  transition: background-color .3s var(--ease), color .3s var(--ease), border-color .3s var(--ease);
}

.btn:hover { background: var(--accent); border-color: var(--accent); color: var(--on-accent); }

.btn--full { display: block; width: 100%; text-align: center; }

.link-arrow {
  display: inline-flex;
  align-items: center;
  gap: .55rem;
  font-size: .74rem;
  font-weight: 500;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--ink);
  padding-bottom: .35rem;
  border-bottom: 1px solid var(--ink);
  transition: color .3s var(--ease), border-color .3s var(--ease), gap .3s var(--ease);
}

.link-arrow::after { content: "→"; font-size: .95rem; line-height: 1; }

.link-arrow:hover { color: var(--accent); border-color: var(--accent); gap: .85rem; }

/* Header ----------------------------------------------------------------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 60;
  background: var(--header-bg);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  min-height: 78px;
}

.brand { display: flex; flex-direction: column; }

.brand__name {
  font-family: var(--display);
  font-size: 1.22rem;
  font-weight: 500;
  letter-spacing: .13em;
  text-transform: uppercase;
  line-height: 1.1;
}

.nav { display: flex; align-items: center; gap: clamp(1.5rem, 3vw, 2.6rem); }

.nav__link {
  position: relative;
  font-size: .7rem;
  font-weight: 500;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--ink-soft);
  padding-block: .4rem;
  transition: color .3s var(--ease);
}

.nav__link::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 0;
  height: 1px;
  background: var(--accent);
  transition: width .35s var(--ease);
}

.nav__link:hover,
.nav__link.is-active { color: var(--ink); }

.nav__link:hover::after,
.nav__link.is-active::after { width: 100%; }

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 42px;
  height: 42px;
  padding: 0 9px;
  background: none;
  border: 1px solid var(--line);
  cursor: pointer;
}

.nav-toggle span {
  display: block;
  height: 1px;
  width: 100%;
  background: var(--ink);
  transition: transform .3s var(--ease), opacity .3s var(--ease);
}

.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(6px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }

/* Selector de tema ------------------------------------------------------- */
.theme-toggle {
  position: fixed;
  right: clamp(1rem, 2.5vw, 2rem);
  bottom: clamp(1rem, 2.5vw, 2rem);
  z-index: 90;
  display: grid;
  place-items: center;
  width: 48px;
  height: 48px;
  border: 1px solid var(--line);
  border-radius: 50%;
  background: var(--paper);
  color: var(--ink);
  cursor: pointer;
  box-shadow: 0 14px 34px -20px rgba(45, 40, 33, .55);
  transition: background-color .35s var(--ease), border-color .35s var(--ease),
              color .35s var(--ease), transform .35s var(--ease);
}

.theme-toggle:hover {
  color: var(--accent);
  border-color: var(--accent);
  transform: translateY(-2px);
}

.theme-toggle__icon { width: 19px; height: 19px; }

.theme-toggle__icon--sun { display: none; }

:root[data-theme="dark"] .theme-toggle__icon--moon { display: none; }
:root[data-theme="dark"] .theme-toggle__icon--sun { display: block; }

/* Hero ------------------------------------------------------------------- */
.hero { padding-block: clamp(2.5rem, 5vw, 4rem) clamp(2.5rem, 4vw, 3.5rem); }

.hero__grid {
  display: grid;
  grid-template-columns: 1fr 1.08fr;
  gap: clamp(2rem, 5vw, 4.5rem);
  align-items: center;
}

.hero__title {
  font-family: var(--display);
  font-size: clamp(2.9rem, 6.2vw, 4.6rem);
  font-weight: 500;
  line-height: .98;
  letter-spacing: -.02em;
  margin: 0 0 1.5rem;
}

.hero__lead {
  color: var(--ink-soft);
  font-size: 1.02rem;
  max-width: 42ch;
  margin-bottom: 2.2rem;
}

.hero__actions {
  display: flex;
  align-items: center;
  gap: 1.75rem;
  flex-wrap: wrap;
}

.hero__art { margin: 0; }

.hero__art > .obra__trigger { cursor: zoom-in; }

.hero__art img {
  width: 100%;
  border: 1px solid var(--line);
  background: var(--frame);
  box-shadow: 0 32px 60px -42px rgba(45, 40, 33, .55);
}

.hero__caption {
  display: flex;
  flex-wrap: wrap;
  gap: .35rem 1rem;
  justify-content: space-between;
  align-items: baseline;
  margin-top: .9rem;
  font-size: .78rem;
  color: var(--ink-soft);
}

.hero__caption em {
  font-family: var(--display);
  font-size: 1rem;
  color: var(--ink);
}

/* Obras ------------------------------------------------------------------ */
.obra { margin: 0; break-inside: avoid; }

.obra__trigger {
  display: block;
  width: 100%;
  padding: 0;
  border: 0;
  background: none;
  cursor: zoom-in;
}

.obra__caption {
  padding-top: .75rem;
  font-size: .8rem;
  line-height: 1.45;
}

.obra__title {
  display: block;
  font-family: var(--display);
  font-size: 1.04rem;
  color: var(--ink);
}

.obra__size {
  display: block;
  margin-top: .15rem;
  font-size: .65rem;
  letter-spacing: .12em;
  color: var(--ink-soft);
}

/* Galería: rejilla de platos cuadrados */
.obras {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: clamp(1.5rem, 2.6vw, 2.5rem) clamp(1rem, 2vw, 1.75rem);
}

.obra__frame {
  position: relative;
  display: block;
  aspect-ratio: 1 / 1;
  overflow: hidden;
  background: var(--frame);
  border: 1px solid var(--line);
  transition: border-color .4s var(--ease), box-shadow .45s var(--ease);
}

.obra__img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: contain;
  border: 0;
  background: transparent;
}

.obra__trigger:hover .obra__frame {
  box-shadow: 0 22px 40px -32px rgba(45, 40, 33, .45);
}

/* Obras destacadas: proporción original */
.obras--featured { grid-template-columns: repeat(3, minmax(0, 1fr)); }

.obras--featured .obra__frame { aspect-ratio: 3 / 4; }

/* Quote ------------------------------------------------------------------ */
.quote {
  background: var(--paper-warm);
  border-block: 1px solid var(--line);
  padding-block: clamp(3rem, 6vw, 4.5rem);
  text-align: center;
}

.quote blockquote { max-width: 720px; margin-inline: auto; }

.quote p {
  font-family: var(--display);
  font-size: clamp(1.4rem, 2.6vw, 1.85rem);
  font-style: italic;
  line-height: 1.45;
  color: var(--ink);
  text-wrap: balance;
}

.quote cite {
  display: block;
  margin-top: 1.25rem;
  font-family: var(--text);
  font-style: normal;
  font-size: .7rem;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--ink-soft);
}

/* CTA -------------------------------------------------------------------- */
.cta { border-top: 1px solid var(--line); }

.cta__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  flex-wrap: wrap;
}

.cta__title {
  font-family: var(--display);
  font-size: clamp(1.7rem, 3vw, 2.25rem);
  font-weight: 500;
  line-height: 1.2;
}

.cta__text { color: var(--ink-soft); font-size: .95rem; margin-top: .4rem; }

/* Page head -------------------------------------------------------------- */
.page-head {
  padding-block: clamp(2.5rem, 5vw, 4.25rem) clamp(1.75rem, 3vw, 2.5rem);
  text-align: center;
  border-bottom: 1px solid var(--line);
}

.page-head--left { text-align: left; }

.page-head__title {
  font-family: var(--display);
  font-size: clamp(2.6rem, 5.2vw, 3.6rem);
  font-weight: 500;
  line-height: 1.05;
  letter-spacing: -.015em;
  margin-top: .7rem;
}

.page-head__intro {
  max-width: 58ch;
  margin: 1.1rem auto 0;
  color: var(--ink-soft);
  font-size: .98rem;
}

.page-head--left .page-head__intro { margin-inline: 0; }

/* Prose ------------------------------------------------------------------ */
.prose { font-size: 1.02rem; color: var(--prose); }

.prose > * + * { margin-top: 1.35rem; }

.prose > :first-child { margin-top: 0; }

.prose h2 {
  font-family: var(--display);
  font-size: clamp(1.5rem, 2.4vw, 1.85rem);
  font-weight: 500;
  line-height: 1.25;
  color: var(--ink);
  margin-top: clamp(2rem, 3.5vw, 2.75rem);
}

.prose h3 {
  font-family: var(--display);
  font-size: 1.35rem;
  font-weight: 600;
  color: var(--ink);
  margin-top: 2rem;
}

.prose a {
  color: var(--ink);
  border-bottom: 1px solid var(--link-line);
  transition: border-color .3s var(--ease), color .3s var(--ease);
}

.prose a:hover { color: var(--accent); border-color: var(--accent); }

.prose ul { padding-left: 1.1rem; }

.prose li { position: relative; padding-left: .9rem; }
.prose li + li { margin-top: .5rem; }

.prose li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .75em;
  width: 5px;
  height: 1px;
  background: var(--accent);
}

.prose strong { font-weight: 500; color: var(--ink); }

.prose em { font-style: italic; }

/* Split layouts ---------------------------------------------------------- */
.split {
  display: grid;
  grid-template-columns: .82fr 1.18fr;
  gap: clamp(2rem, 5vw, 4.5rem);
  align-items: start;
}

.split--contact { grid-template-columns: 1.15fr .85fr; }

.split__aside { position: sticky; top: 110px; }

.portrait { margin: 0; }

.portrait img {
  width: 100%;
  border: 1px solid var(--line);
  background: var(--frame);
}

.portrait__caption {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  margin-top: .75rem;
  font-size: .78rem;
  color: var(--ink-soft);
}

.portrait__caption em { font-family: var(--display); font-size: 1rem; color: var(--ink); }

/* Contact card ----------------------------------------------------------- */
.contact-card {
  background: var(--paper-warm);
  border: 1px solid var(--line);
  padding: clamp(1.6rem, 3vw, 2.4rem);
}

.contact-card__list { margin-top: 1.6rem; }

.contact-card__list > div + div {
  margin-top: 1.3rem;
  padding-top: 1.3rem;
  border-top: 1px solid rgba(138, 106, 69, .18);
}

.contact-card dt {
  font-size: .64rem;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--ink-soft);
  margin-bottom: .3rem;
}

.contact-card dd { font-family: var(--display); font-size: 1.22rem; line-height: 1.35; }

.contact-card dd a { border-bottom: 1px solid transparent; transition: border-color .3s var(--ease); }
.contact-card dd a:hover { border-color: var(--accent); color: var(--accent); }

.contact-card .btn { margin-top: 2rem; }

/* Lightbox --------------------------------------------------------------- */
.lightbox {
  position: fixed;
  inset: 0;
  z-index: 120;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: clamp(1rem, 4vw, 2.75rem);
  background: #14110d;
}

.lightbox[hidden] { display: none; }

.lightbox__figure {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.1rem;
  max-height: 100%;
}

.lightbox__img {
  max-width: min(1080px, 88vw);
  max-height: 76vh;
  width: auto;
  height: auto;
  object-fit: contain;
  background: var(--frame);
  box-shadow: 0 40px 80px -40px rgba(0, 0, 0, .8);
}

.lightbox__caption {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: .3rem;
  text-align: center;
  color: #bdb3a4;
  font-size: .8rem;
}

.lightbox__title {
  font-family: var(--display);
  font-size: 1.25rem;
  font-style: italic;
  color: #f3ebdd;
}

.lightbox__meta { letter-spacing: .04em; }

.lightbox__count {
  font-size: .64rem;
  letter-spacing: .2em;
  text-transform: uppercase;
  opacity: .65;
  margin-top: .15rem;
}

.lightbox__close,
.lightbox__nav {
  position: absolute;
  display: grid;
  place-items: center;
  width: 46px;
  height: 46px;
  background: transparent;
  color: #efe6d8;
  border: 1px solid rgba(239, 230, 216, .28);
  border-radius: 50%;
  cursor: pointer;
  line-height: 1;
  transition: background-color .3s var(--ease), border-color .3s var(--ease);
}

.lightbox__close { top: clamp(1rem, 3vw, 2rem); right: clamp(1rem, 3vw, 2rem); font-size: 1.6rem; }
.lightbox__nav { top: 50%; transform: translateY(-50%); font-size: 1.9rem; }
.lightbox__nav--prev { left: clamp(.75rem, 3vw, 2.5rem); }
.lightbox__nav--next { right: clamp(.75rem, 3vw, 2.5rem); }

.lightbox__close:hover,
.lightbox__nav:hover { background: rgba(239, 230, 216, .12); border-color: rgba(239, 230, 216, .6); }

body.is-locked { overflow: hidden; }

/* Footer ----------------------------------------------------------------- */
.site-footer {
  border-top: 1px solid var(--line);
  padding-top: clamp(2.5rem, 5vw, 3.5rem);
}

.footer__inner {
  display: grid;
  grid-template-columns: 1.2fr 1fr 1fr;
  gap: 2rem;
  align-items: start;
  padding-bottom: clamp(2rem, 4vw, 2.75rem);
}

.footer__name {
  font-family: var(--display);
  font-size: 1.15rem;
  letter-spacing: .1em;
  text-transform: uppercase;
}

.footer__note { color: var(--ink-soft); font-size: .8rem; margin-top: .35rem; }

.footer__nav { display: flex; flex-direction: column; gap: .55rem; }

.footer__nav a,
.footer__contact a {
  font-size: .78rem;
  letter-spacing: .06em;
  color: var(--ink-soft);
  transition: color .3s var(--ease);
}

.footer__nav a:hover,
.footer__contact a:hover { color: var(--ink); }

.footer__contact { display: flex; flex-direction: column; gap: .55rem; align-items: flex-start; }

.footer__legal {
  border-top: 1px solid var(--line);
  padding-block: 1.25rem;
}

.footer__legal p { font-size: .72rem; letter-spacing: .04em; color: var(--ink-soft); }

/* Motion ----------------------------------------------------------------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: .01ms !important;
    transition-duration: .01ms !important;
  }
}

/* Responsive ------------------------------------------------------------- */
@media (max-width: 1180px) {
  .obras { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}

@media (max-width: 1024px) {
  .obras--featured { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .hero__grid { gap: 2.5rem; }
  .split { grid-template-columns: 1fr; gap: 2.5rem; }
  .split--contact { grid-template-columns: 1fr; }
  .split__aside { position: static; max-width: 380px; }
}

@media (max-width: 860px) {
  .header__inner { min-height: 68px; gap: 1rem; }

  .nav-toggle { display: flex; }

  .nav {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    background: var(--paper);
    border-bottom: 1px solid var(--line);
    padding: 0 var(--gutter);
    display: none;
  }

  .nav.is-open { display: flex; }

  .nav__link {
    padding-block: 1rem;
    border-top: 1px solid var(--line);
  }

  .nav__link:first-child { border-top: 0; }

  .nav__link::after { display: none; }

  .hero__grid { grid-template-columns: 1fr; gap: 2.25rem; }

  .hero__lead { max-width: 46ch; }

  .hero__art { order: -1; }

  .hero__title { margin-top: .8rem; }

  .footer__inner { grid-template-columns: 1fr 1fr; }
  .footer__brand { grid-column: 1 / -1; }
}

@media (max-width: 900px) {
  .obras { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1.5rem 1rem; }
}

@media (max-width: 640px) {
  body { font-size: 1rem; }

  .obras { grid-template-columns: 1fr; gap: 2rem; }
  .obras--featured { grid-template-columns: 1fr; }

  .cta__inner { flex-direction: column; align-items: flex-start; gap: 1.5rem; }

  .cta__inner .btn { width: 100%; text-align: center; }

  .hero__actions { gap: 1.25rem; }
  .hero__actions .btn { width: 100%; text-align: center; }
  .hero__actions .link-arrow { margin-inline: auto; }

  .page-head { text-align: left; }

  .footer__inner { grid-template-columns: 1fr; gap: 1.75rem; }

  .lightbox__img { max-width: 92vw; max-height: 66vh; }
  .lightbox__close, .lightbox__nav { width: 40px; height: 40px; }
  .lightbox__nav { font-size: 1.6rem; }
  .lightbox__nav--prev { left: .5rem; }
  .lightbox__nav--next { right: .5rem; }
}

/* Sombras en modo oscuro */
:root[data-theme="dark"] .hero__art img {
  box-shadow: 0 34px 64px -42px rgba(0, 0, 0, .9);
}

:root[data-theme="dark"] .obra__trigger:hover .obra__frame {
  box-shadow: 0 26px 48px -34px rgba(0, 0, 0, .9);
}