/* Acuarelas y Poemas — palette drawn from the site's own art:
   jacaranda purple (hero photo), watercolor paper whites, soft ink. */

:root {
  --paper: #fcfbf8;
  --paper-soft: #f4f2fb;
  --ink: #2b2837;
  --ink-soft: #5d5870;
  --accent: #5e68c0;
  --accent-deep: #454fa3;
  --accent-wash: #eceefa;
  --line: #e4e1ee;
  --serif: "Iowan Old Style", "Palatino Linotype", Palatino, Georgia, serif;
  --sans: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", sans-serif;
  --shadow: 0 1px 2px rgba(43, 40, 55, .06), 0 8px 24px rgba(43, 40, 55, .08);
  --shadow-lift: 0 2px 4px rgba(43, 40, 55, .08), 0 16px 40px rgba(69, 79, 163, .18);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--sans);
  font-size: 1.0625rem;
  line-height: 1.7;
  color: var(--ink);
  background: var(--paper);
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; height: auto; }
a { color: var(--accent-deep); text-decoration: none; }
a:hover { color: var(--accent); }

.wrap { max-width: 72rem; margin: 0 auto; padding: 0 1.25rem; }

.visually-hidden,
.skip-link {
  position: absolute;
  width: 1px; height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
}
.skip-link:focus {
  width: auto; height: auto; clip: auto;
  top: .5rem; left: .5rem; z-index: 100;
  background: var(--ink); color: #fff;
  padding: .5rem 1rem; border-radius: .25rem;
}

h1, h2, h3, h4 { font-family: var(--serif); font-weight: 600; line-height: 1.25; }

/* ---------------------------------------------------------------- header */

.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(252, 251, 248, .9);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}
.header-inner {
  display: flex; align-items: center; justify-content: space-between;
  gap: 1rem; min-height: 4.25rem;
}
.brand { display: flex; flex-direction: column; line-height: 1.2; padding: .5rem 0; }
.brand-name { font-family: var(--serif); font-size: 1.3rem; font-style: italic; color: var(--ink); }
.brand-tag { font-size: .72rem; letter-spacing: .18em; text-transform: uppercase; color: var(--accent-deep); }

.site-nav ul { list-style: none; margin: 0; padding: 0; display: flex; gap: .25rem; }
.site-nav li { position: relative; }
.site-nav a {
  display: block; padding: .55rem .8rem;
  font-size: .95rem; color: var(--ink-soft); border-radius: .375rem;
}
.site-nav a:hover, .site-nav a:focus-visible { color: var(--accent-deep); background: var(--accent-wash); }
.site-nav a[aria-current="page"] { color: var(--accent-deep); font-weight: 600; }

.site-nav .sub {
  position: absolute; top: 100%; left: 0; min-width: 12rem;
  flex-direction: column; gap: 0; padding: .4rem;
  background: var(--paper); border: 1px solid var(--line); border-radius: .5rem;
  box-shadow: var(--shadow);
  opacity: 0; visibility: hidden; transform: translateY(.4rem);
  transition: .18s ease;
}
.site-nav .has-sub:hover .sub,
.site-nav .has-sub:focus-within .sub { opacity: 1; visibility: visible; transform: none; }

.nav-toggle { display: none; }

/* ------------------------------------------------------------------ hero */

.hero {
  position: relative; display: grid; place-items: center;
  min-height: clamp(24rem, 62vh, 38rem);
  background-size: cover; background-position: center 35%;
}
.hero-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(160deg, rgba(43, 40, 55, .55), rgba(69, 79, 163, .35) 60%, rgba(43, 40, 55, .45));
}
.hero-text { position: relative; text-align: center; color: #fff; padding: 2rem 1.25rem; }
.hero-kicker {
  margin: 0 0 1rem; font-size: clamp(1.05rem, 2.2vw, 1.35rem); font-weight: 700;
  letter-spacing: .3em; text-transform: uppercase; color: #fff;
  text-shadow: 0 1px 3px rgba(28, 25, 40, .8), 0 2px 16px rgba(28, 25, 40, .6);
}
.hero h1 {
  margin: 0; font-size: clamp(2.1rem, 6vw, 3.6rem);
  font-style: italic; font-weight: 500;
  text-shadow: 0 2px 24px rgba(43, 40, 55, .45);
}

/* ----------------------------------------------------------------- intro */

.intro { background: linear-gradient(180deg, var(--paper-soft), var(--paper)); }
.intro-inner { max-width: 44rem; text-align: center; padding: 3.5rem 1.25rem; }
.intro h2 { font-size: 2rem; font-style: italic; margin: 0 0 1rem; }
.intro p { color: var(--ink-soft); margin: 0 0 1.75rem; }

.button {
  display: inline-block; padding: .7rem 1.6rem;
  background: var(--accent-deep); color: #fff !important;
  border: 0; border-radius: 2rem; font-size: .95rem; font-family: var(--sans);
  letter-spacing: .04em; cursor: pointer;
  transition: background .15s ease, transform .15s ease, box-shadow .15s ease;
}
.button:hover { background: var(--accent); transform: translateY(-1px); box-shadow: var(--shadow-lift); }

/* -------------------------------------------------------------- sections */

.home-section { padding: 2.5rem 1.25rem 1rem; }
.home-books { background: var(--paper-soft); margin-top: 2.5rem; padding: 3rem 0; }
.home-books .wrap { padding: 0 1.25rem; }
.section-head {
  display: flex; align-items: baseline; justify-content: space-between;
  border-bottom: 1px solid var(--line); margin-bottom: 1.5rem; padding-bottom: .5rem;
}
.section-head h3 { margin: 0; font-size: 1.6rem; font-style: italic; }
.more-link { font-size: .9rem; letter-spacing: .06em; text-transform: uppercase; }
.more-link::after { content: " →"; }

/* ----------------------------------------------------------------- cards */

.card-grid {
  display: grid; gap: 1.5rem;
  grid-template-columns: repeat(auto-fill, minmax(15rem, 1fr));
}
.card-grid.cols-4 { grid-template-columns: repeat(4, 1fr); }
.card-grid.cols-5 { grid-template-columns: repeat(5, 1fr); }
.card-grid.cols-3 { grid-template-columns: repeat(3, 1fr); }

.card {
  display: block; background: #fff; border: 1px solid var(--line);
  border-radius: .75rem; overflow: hidden; color: var(--ink);
  box-shadow: var(--shadow);
  transition: transform .18s ease, box-shadow .18s ease;
}
.card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lift); color: var(--ink); }
.card-img { margin: 0; aspect-ratio: 4 / 5; overflow: hidden; background: var(--paper-soft); }
.card-img.wide { aspect-ratio: 3 / 2; }
.card-img img { width: 100%; height: 100%; object-fit: cover; transition: transform .4s ease; }
.card:hover .card-img img { transform: scale(1.04); }
.book-img { aspect-ratio: 2 / 3; }
.card-body { padding: .9rem 1rem 1rem; }
.card-body h4 { margin: 0; font-size: 1.05rem; }
.price { margin: .3rem 0 0; color: var(--accent-deep); font-weight: 600; font-size: .95rem; }
.card-date { margin: 0 0 .3rem; font-size: .8rem; letter-spacing: .08em; text-transform: uppercase; color: var(--ink-soft); }
.card-excerpt { margin: .5rem 0 0; font-size: .92rem; color: var(--ink-soft); }

/* ------------------------------------------------------------- page head */

.page-head { background: linear-gradient(180deg, var(--accent-wash), var(--paper)); padding: 3rem 0 2rem; margin-bottom: 2rem; }
.page-head h1 { margin: 0; font-size: clamp(1.9rem, 4.5vw, 2.6rem); font-style: italic; }
.lead { color: var(--ink-soft); max-width: 50rem; }

/* -------------------------------------------------------------- articles */

.entry { max-width: 46rem; padding-top: 2.5rem; padding-bottom: 3rem; }
.entry-header h1 { font-size: clamp(1.8rem, 4.5vw, 2.5rem); font-style: italic; margin: 0 0 .5rem; }
.entry-meta { color: var(--ink-soft); font-size: .9rem; margin: 0 0 1rem; }
.entry-content { font-family: var(--serif); font-size: 1.125rem; }
.entry-content p { margin: 0 0 1.2em; }
.entry-content h2, .entry-content h3, .entry-content h4 { margin: 1.8em 0 .6em; font-style: italic; }
.entry-content img { border-radius: .5rem; box-shadow: var(--shadow); cursor: zoom-in; }
.entry-content .alignleft { float: left; margin: .3rem 1.5rem 1rem 0; max-width: 45%; }
.entry-content .alignright { float: right; margin: .3rem 0 1rem 1.5rem; max-width: 45%; }
.entry-content .aligncenter { display: block; margin: 1.5rem auto; }
.entry-content figure { margin: 2rem 0; }
.entry-content figcaption { font-family: var(--sans); font-size: .85rem; color: var(--ink-soft); margin-top: .5rem; }
.entry-content blockquote {
  margin: 1.8em 0; padding: .2em 0 .2em 1.4em;
  border-left: 3px solid var(--accent); color: var(--ink-soft); font-style: italic;
}
.entry-content hr { border: 0; border-top: 1px solid var(--line); margin: 2.5rem auto; width: 40%; }

/* --------------------------------------------------------------- product */

.product {
  display: grid; gap: 2.5rem; padding-top: 2.5rem; padding-bottom: 3rem;
  grid-template-columns: minmax(0, 7fr) minmax(0, 5fr); align-items: start;
}
.product-img { margin: 0; }
.product-img img { border-radius: .75rem; box-shadow: var(--shadow); cursor: zoom-in; width: 100%; }
.crumb { margin: 0 0 .25rem; font-size: .8rem; letter-spacing: .1em; text-transform: uppercase; }
.product-info h1 { margin: 0 0 .5rem; font-size: clamp(1.7rem, 4vw, 2.3rem); font-style: italic; }
.product-info .price { font-size: 1.4rem; margin: 0 0 1.25rem; }
.product-desc { color: var(--ink-soft); margin-bottom: 1.5rem; }
.product-desc p { margin: 0 0 .4em; }
.product-tags { margin-top: 1.75rem; }
.tag {
  display: inline-block; margin: 0 .4rem .4rem 0; padding: .25rem .75rem;
  background: var(--accent-wash); border-radius: 2rem; font-size: .82rem;
}

/* --------------------------------------------------------------- contact */

.contact-form { margin-top: 1.5rem; font-family: var(--sans); }
.contact-form label { font-size: .95rem; color: var(--ink-soft); }
.contact-form input, .contact-form textarea {
  width: 100%; margin-top: .35rem; padding: .65rem .8rem;
  font: inherit; color: var(--ink);
  background: #fff; border: 1px solid var(--line); border-radius: .5rem;
}
.contact-form input:focus, .contact-form textarea:focus {
  outline: 2px solid var(--accent); outline-offset: 1px; border-color: var(--accent);
}
.form-note { font-size: .88rem; color: var(--accent-deep); }

/* ---------------------------------------------------------------- footer */

.site-footer { margin-top: 4rem; background: #28243a; color: #cdc9e0; }
.footer-inner { padding: 2.5rem 1.25rem; text-align: center; }
.footer-inner p { margin: .75rem 0 0; font-size: .9rem; }
.footer-social { display: flex; justify-content: center; gap: 1rem; }
.footer-social a { color: #cdc9e0; }
.footer-social a:hover { color: #fff; }
.footer-social svg { width: 1.4rem; height: 1.4rem; }

/* -------------------------------------------------------------- lightbox */

.lightbox {
  position: fixed; inset: 0; z-index: 200;
  place-items: center;
  background: rgba(28, 25, 40, .92); padding: 2rem;
}
.lightbox:not([hidden]) { display: grid; }
.lightbox img { max-width: 100%; max-height: 90vh; width: auto; border-radius: .25rem; }
.lightbox-close {
  position: absolute; top: .75rem; right: 1rem;
  background: none; border: 0; color: #fff; font-size: 2.5rem; cursor: pointer;
}

/* ---------------------------------------------------------------- mobile */

@media (max-width: 64rem) {
  .card-grid.cols-4, .card-grid.cols-5 { grid-template-columns: repeat(3, 1fr); }
  .card-grid.cols-3 { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 48rem) {
  .nav-toggle {
    display: inline-flex; flex-direction: column; gap: 5px;
    background: none; border: 0; padding: .6rem; cursor: pointer;
  }
  .nav-toggle span:not(.visually-hidden) {
    width: 1.4rem; height: 2px; background: var(--ink); border-radius: 2px;
    transition: transform .2s ease, opacity .2s ease;
  }
  .nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
  .nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
  .nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

  .site-nav {
    position: absolute; top: 100%; left: 0; right: 0;
    background: var(--paper); border-bottom: 1px solid var(--line);
    box-shadow: var(--shadow); display: none; max-height: calc(100vh - 4.25rem);
    overflow: auto;
  }
  .site-nav.open { display: block; }
  .site-nav ul { flex-direction: column; padding: .5rem 1rem 1rem; }
  .site-nav .sub {
    position: static; opacity: 1; visibility: visible; transform: none;
    border: 0; box-shadow: none; background: none; padding-left: 1rem;
    display: block;
  }
  .site-nav .sub a { font-size: .9rem; }

  .card-grid, .card-grid.cols-4, .card-grid.cols-3 { grid-template-columns: repeat(2, 1fr); gap: .9rem; }
  .card-grid.cols-5 { grid-template-columns: repeat(2, 1fr); }
  .product { grid-template-columns: 1fr; gap: 1.5rem; }
  .entry-content .alignleft, .entry-content .alignright {
    float: none; margin: 1.5rem auto; max-width: 100%; display: block;
  }
}