/* static/css/base.css
   Base responsive styles for the MVP landing.
   - Clean, editorial, minimal
   - No external dependencies
   - Mobile-first
*/

/* -----------------------------
   CSS Reset (light)
------------------------------ */
*,
*::before,
*::after {
  box-sizing: border-box;
}

html:focus-within {
  scroll-behavior: smooth;
}

html,
body {
  height: 100%;
}

body {
  margin: 0;
  line-height: 1.5;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

img,
picture,
video,
canvas,
svg {
  display: block;
  max-width: 100%;
}

input,
button,
textarea,
select {
  font: inherit;
}

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

a:hover {
  text-decoration: underline;
}

:root {
  /* Layout */
  --container: 1120px;
  --gutter: 20px;

  /* Typography */
  --font-sans: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica,
    Arial, "Apple Color Emoji", "Segoe UI Emoji";
  --font-serif: ui-serif, Georgia, Cambria, "Times New Roman", Times, serif;

  --text: #0b0c0f;
  --muted: rgba(11, 12, 15, 0.65);

  /* Surfaces */
  --bg: #ffffff;
  --bg-alt: #f6f6f7;
  --card: #ffffff;

  /* Borders / shadows */
  --border: rgba(11, 12, 15, 0.10);
  --shadow: 0 10px 30px rgba(0, 0, 0, 0.06);
  --shadow-soft: 0 6px 18px rgba(0, 0, 0, 0.05);

  /* Radius */
  --r-sm: 12px;
  --r-md: 18px;
  --r-lg: 26px;

  /* Spacing scale */
  --s-1: 6px;
  --s-2: 10px;
  --s-3: 14px;
  --s-4: 18px;
  --s-5: 24px;
  --s-6: 32px;
  --s-7: 44px;
  --s-8: 64px;

  /* Accent (customize later) */
  --accent: #111111;
  --accent-contrast: #ffffff;
  --ring: rgba(17, 17, 17, 0.18);
}

/* Dark-mode friendly (optional) */
@media (prefers-color-scheme: dark) {
  :root {
    --text: #f4f4f5;
    --muted: rgba(244, 244, 245, 0.7);

    --bg: #0a0b0e;
    --bg-alt: #0f1116;
    --card: #0f1116;

    --border: rgba(244, 244, 245, 0.12);
    --shadow: 0 10px 30px rgba(0, 0, 0, 0.45);
    --shadow-soft: 0 6px 18px rgba(0, 0, 0, 0.35);

    --accent: #f4f4f5;
    --accent-contrast: #0a0b0e;
    --ring: rgba(244, 244, 245, 0.18);
  }
}

body {
  font-family: var(--font-sans);
  color: var(--text);
  background: var(--bg);
}

/* -----------------------------
   Utilities
------------------------------ */
.container {
  width: min(var(--container), calc(100% - (var(--gutter) * 2)));
  margin-inline: auto;
}

.muted {
  color: var(--muted);
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  padding: 10px 12px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--r-sm);
  z-index: 9999;
}

.skip-link:focus {
  left: 12px;
  top: 12px;
}

.section {
  padding: var(--s-8) 0;
}

.section-alt {
  background: var(--bg-alt);
}

/* -----------------------------
   Pattern Background (Lorea)
   Usage: add class="section pattern-bg pattern-bg--about" (or --contact)
------------------------------ */
.pattern-bg {
  position: relative;
  overflow: hidden;
}

/* The pattern layer */
.pattern-bg::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: var(--pattern-img);
  background-repeat: repeat;
  background-size: var(--pattern-size, 520px);
  background-position: 0 0;
  opacity: var(--pattern-opacity, 0.12);
  filter: saturate(0.95);
  pointer-events: none;
  z-index: 0;
}

/* A soft overlay to keep text readable */
.pattern-bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to bottom,
    rgba(255, 255, 255, 0.65),
    rgba(255, 255, 255, 0.85)
  );
  pointer-events: none;
  z-index: 0;
}

@media (prefers-color-scheme: dark) {
  .pattern-bg::after {
    background: linear-gradient(
      to bottom,
      rgba(10, 11, 14, 0.55),
      rgba(10, 11, 14, 0.8)
    );
  }
}

/* Ensure content stays above pattern layers */
.pattern-bg > .container {
  position: relative;
  z-index: 1;
}

/* Variants */
.pattern-bg--about {
  --pattern-img: url("../img/patterns/lorea-checker.91b5ca945c50.png");
  --pattern-opacity: 0.7;
  --pattern-size: 560px;
}

.pattern-bg--contact {
  --pattern-img: url("../img/patterns/lorea-checker.91b5ca945c50.png");
  --pattern-opacity: 0.7;
  --pattern-size: 460px;
}


/* Variants */
.pattern-bg--hero {
  --pattern-img: url("../img/patterns/lorea-checker-flowers.3be53c5c60b2.png");
  --pattern-opacity: 0.35; /* recomendado: 0.10–0.22 */
  --pattern-size: 720px;
}

.hero.pattern-bg > .container {
  position: relative;
  z-index: 1;
}

/* Para el footer lo hacemos separado (no usa .pattern-bg) */
.footer-pattern {
  position: relative;
  overflow: hidden;
}

.footer-pattern::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: url("../img/patterns/lorea-checker-flowers.3be53c5c60b2.png");
  background-repeat: repeat;
  background-size: 520px;
  background-position: 0 0;
  opacity: 0.40 ; /* recomendado: 0.06–0.14 */
  pointer-events: none;
  z-index: 0;
}

.footer-pattern::after {
  content: "";
  position: absolute;
  inset: 0;
  /* overlay para legibilidad */
  background: linear-gradient(
    to bottom,
    rgba(255, 255, 255, 0.65),
    rgba(255, 255, 255, 0.9)
  );
  pointer-events: none;
  z-index: 0;
}

@media (prefers-color-scheme: dark) {
  .footer-pattern::after {
    background: linear-gradient(
      to bottom,
      rgba(10, 11, 14, 0.55),
      rgba(10, 11, 14, 0.86)
    );
  }
}

.footer-pattern > .container {
  position: relative;
  z-index: 1;
}

.section-head {
  display: grid;
  gap: var(--s-2);
  margin-bottom: var(--s-6);
}

.section-head h2 {
  margin: 0;
  font-size: clamp(1.25rem, 1.1rem + 0.6vw, 1.75rem);
  letter-spacing: -0.02em;
}

.section-head p {
  margin: 0;
  max-width: 68ch;
}

/* -----------------------------
   Header / Nav
------------------------------ */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255, 255, 255, 0.72);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border);
}

@media (prefers-color-scheme: dark) {
  .site-header {
    background: rgba(10, 11, 14, 0.65);
  }
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 0;
  gap: var(--s-3);
}

.brand {
  display: grid;
  gap: 2px;
}

.brand-link {
  font-weight: 650;
  letter-spacing: -0.02em;
}

.brand-tagline {
  font-size: 0.92rem;
  color: var(--muted);
}

.site-nav {
  display: flex;
  gap: 14px;
  align-items: center;
}

.site-nav a {
  font-size: 0.95rem;
  color: rgba(11, 12, 15, 0.86);
}

@media (prefers-color-scheme: dark) {
  .site-nav a {
    color: rgba(244, 244, 245, 0.9);
  }
}

.site-nav a.nav-social {
  opacity: 0.9;
}

/* Mobile menu */
.nav-toggle {
  display: none;
  border: 1px solid var(--border);
  background: var(--card);
  color: var(--text);
  border-radius: 999px;
  padding: 8px 12px;
  box-shadow: var(--shadow-soft);
}

.nav-toggle:hover {
  cursor: pointer;
}

.nav-toggle:focus {
  outline: 2px solid var(--ring);
  outline-offset: 2px;
}

.nav-toggle-label {
  font-size: 0.95rem;
}

@media (max-width: 860px) {
  .nav-toggle {
    display: inline-flex;
    align-items: center;
    gap: 10px;
  }

  .site-nav {
    display: none;
    position: absolute;
    left: 0;
    right: 0;
    top: 58px;
    padding: 12px;
    margin: 0 var(--gutter);
    border: 1px solid var(--border);
    background: var(--card);
    border-radius: var(--r-md);
    box-shadow: var(--shadow);
    flex-direction: column;
    align-items: stretch;
    gap: 0;
  }

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

  .site-nav a {
    padding: 12px 10px;
    border-radius: var(--r-sm);
  }

  .site-nav a:hover {
    background: rgba(0, 0, 0, 0.04);
    text-decoration: none;
  }

  @media (prefers-color-scheme: dark) {
    .site-nav a:hover {
      background: rgba(255, 255, 255, 0.05);
    }
  }
}

/* -----------------------------
   Hero
------------------------------ */
.hero {
  padding: var(--s-8) 0;
}

.hero-inner {
  display: grid;
  gap: var(--s-6);
  align-items: center;
}

@media (min-width: 920px) {
  .hero-inner {
    grid-template-columns: 1.05fr 0.95fr;
    gap: var(--s-7);
  }
}

.hero-title {
  margin: 0;
  font-size: clamp(2rem, 1.4rem + 2.4vw, 3.3rem);
  letter-spacing: -0.04em;
  line-height: 1.05;
}

.hero-tagline {
  margin: var(--s-3) 0 0;
  font-size: clamp(1.05rem, 1rem + 0.4vw, 1.35rem);
  color: var(--muted);
  max-width: 55ch;
}

.hero-bio {
  margin: var(--s-4) 0 0;
  max-width: 70ch;
  font-size: 1.02rem;
}

.hero-cta {
  margin-top: var(--s-5);
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.hero-meta {
  margin-top: var(--s-4);
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  color: var(--muted);
  font-size: 0.95rem;
}

.hero-media {
  border-radius: var(--r-lg);
  overflow: hidden;
  background: var(--card);
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
}

.hero-img {
  width: 100%;
  height: clamp(280px, 40vh, 520px);
  object-fit: cover;
  display: block;
}

/* Placeholders (no-data safe) */
.hero-placeholder {
  padding: var(--s-6);
}

.placeholder-frame {
  border: 1px dashed var(--border);
  border-radius: var(--r-md);
  padding: var(--s-6);
  min-height: 300px;
  display: grid;
  align-content: center;
  gap: 12px;
}

.placeholder-line {
  height: 14px;
  background: rgba(0, 0, 0, 0.08);
  border-radius: 999px;
}

.placeholder-line.short {
  width: 60%;
}

@media (prefers-color-scheme: dark) {
  .placeholder-line {
    background: rgba(255, 255, 255, 0.09);
  }
}

/* -----------------------------
   Buttons / Chips
------------------------------ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 10px 14px;
  border-radius: 999px;
  border: 1px solid transparent;
  background: var(--accent);
  color: var(--accent-contrast);
  font-weight: 600;
  line-height: 1;
  box-shadow: var(--shadow-soft);
}

.btn:hover {
  text-decoration: none;
  transform: translateY(-1px);
  transition: transform 140ms ease, box-shadow 140ms ease;
  box-shadow: var(--shadow);
}

.btn:focus {
  outline: 2px solid var(--ring);
  outline-offset: 2px;
}

.btn-ghost {
  background: transparent;
  color: var(--text);
  border-color: var(--border);
  box-shadow: none;
}

.btn-ghost:hover {
  background: rgba(0, 0, 0, 0.04);
  transform: translateY(-1px);
}

@media (prefers-color-scheme: dark) {
  .btn-ghost:hover {
    background: rgba(255, 255, 255, 0.06);
  }
}

.btn-small {
  padding: 8px 12px;
  font-size: 0.92rem;
}

.btn-disabled {
  opacity: 0.6;
  cursor: not-allowed;
  pointer-events: none;
  box-shadow: none;
}

.chip {
  display: inline-flex;
  align-items: center;
  padding: 6px 10px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: rgba(0, 0, 0, 0.03);
  font-size: 0.85rem;
  color: var(--muted);
}

@media (prefers-color-scheme: dark) {
  .chip {
    background: rgba(255, 255, 255, 0.05);
  }
}

/* -----------------------------
   Grid / Cards
------------------------------ */
.grid {
  display: grid;
  gap: var(--s-5);
}

.grid-artworks {
  grid-template-columns: 1fr;
}

.grid-collections {
  grid-template-columns: 1fr;
}

@media (min-width: 720px) {
  .grid-artworks {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .grid-collections {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 1060px) {
  .grid-artworks {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
  .grid-collections {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  overflow: hidden;
  box-shadow: var(--shadow-soft);
  display: grid;
}

.card:hover {
  box-shadow: var(--shadow);
  transition: box-shadow 160ms ease;
}

.card-link {
  display: grid;
  color: inherit;
  text-decoration: none;
}

.card-link:hover {
  text-decoration: none;
}

.card-media {
  position: relative;
  background: rgba(0, 0, 0, 0.03);
  aspect-ratio: 4 / 3;
  overflow: hidden;
}

.card-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.media-placeholder {
  width: 100%;
  height: 100%;
  background: linear-gradient(
    120deg,
    rgba(0, 0, 0, 0.04),
    rgba(0, 0, 0, 0.02),
    rgba(0, 0, 0, 0.04)
  );
}

@media (prefers-color-scheme: dark) {
  .card-media {
    background: rgba(255, 255, 255, 0.05);
  }
  .media-placeholder {
    background: linear-gradient(
      120deg,
      rgba(255, 255, 255, 0.06),
      rgba(255, 255, 255, 0.03),
      rgba(255, 255, 255, 0.06)
    );
  }
}

.media-placeholder.tall {
  aspect-ratio: 3 / 4;
  border-radius: var(--r-lg);
  border: 1px dashed var(--border);
}

.card-body {
  padding: var(--s-5);
  display: grid;
  gap: 10px;
}

.card-title {
  margin: 0;
  font-size: 1.05rem;
  letter-spacing: -0.02em;
}

.card-subtitle {
  font-size: 0.92rem;
}

.card-text {
  margin: 0;
  font-size: 0.98rem;
  color: rgba(11, 12, 15, 0.78);
}

@media (prefers-color-scheme: dark) {
  .card-text {
    color: rgba(244, 244, 245, 0.78);
  }
}

.card-footer {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
  margin-top: 4px;
}

.card-actions {
  padding: 0 var(--s-5) var(--s-5);
}

/* -----------------------------
   About / Contact sections
------------------------------ */
.about,
.contact {
  display: grid;
  gap: var(--s-6);
  align-items: start;
}

@media (min-width: 920px) {
  .about {
    grid-template-columns: 0.9fr 1.1fr;
  }
  .contact {
    grid-template-columns: 1fr 0.95fr;
    align-items: stretch;
  }
}

.about-media img.about-img {
  width: 100%;
  height: auto;
  border-radius: var(--r-lg);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-soft);
  object-fit: cover;
}

.prose {
  max-width: 72ch;
}

.prose p {
  margin-top: 0;
}

.about-links,
.contact-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: var(--s-4);
}

.contact-note {
  margin-top: var(--s-4);
  font-size: 0.95rem;
}

.panel {
  background: rgba(255, 255, 255, 0.82);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  box-shadow: var(--shadow-soft);
  padding: var(--s-6);
  height: 100%;
  backdrop-filter: blur(10px);
}

@media (prefers-color-scheme: dark) {
  .panel {
    background: rgba(15, 17, 22, 0.78);
  }
}

.panel-title {
  margin: 0 0 var(--s-3);
  letter-spacing: -0.02em;
}

/* -----------------------------
   Forms
------------------------------ */
.form {
  display: grid;
  gap: 14px;
  margin-top: var(--s-4);
}

label {
  display: grid;
  gap: 8px;
}

label span {
  font-size: 0.95rem;
  color: var(--muted);
}

input,
textarea {
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  padding: 12px 12px;
  background: transparent;
  color: var(--text);
}

input:focus,
textarea:focus {
  outline: 2px solid var(--ring);
  outline-offset: 2px;
}

/* -----------------------------
   Empty state / Messages
------------------------------ */
.empty-state {
  border: 1px dashed var(--border);
  border-radius: var(--r-lg);
  padding: var(--s-6);
  background: rgba(0, 0, 0, 0.02);
}

@media (prefers-color-scheme: dark) {
  .empty-state {
    background: rgba(255, 255, 255, 0.04);
  }
}

.messages {
  margin: var(--s-5) 0;
  display: grid;
  gap: 10px;
}

.message {
  padding: 12px 14px;
  border-radius: var(--r-md);
  border: 1px solid var(--border);
  background: var(--card);
}

.site-footer {
  border-top: 1px solid var(--border);
  padding: var(--s-6) 0;
}

.footer-inner {
  display: flex;
  gap: var(--s-5);
  justify-content: space-between;
  align-items: start;
  flex-wrap: wrap;
}

.footer-title {
  font-weight: 650;
  margin-bottom: 6px;
}

.footer-right {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  color: var(--muted);
}