/* ============================================================
   ÁMBAR NAIL & DAY SPA (DEMO) — Sistema de diseño
   ADN: luz natural, arena y terracota, tipografía con carácter,
   voz directa. Se siente hecho a mano, no generado.
   ============================================================ */

:root {
  --bg: #fdfaf5;
  --surface: #f5ede3;
  --surface-2: #ffffff;
  --accent: #b4572c;
  --accent-deep: #93431f;
  --heading: #2e2118;
  --text: #4a3a2e;
  --muted: #83705f;
  --line: rgba(46, 33, 24, 0.14);
  --success: #5f7d4d;
  --error: #b3441e;
  --radius: 14px;
  --font-display: "Fraunces", Georgia, serif;
  --font-body: "Karla", "Avenir Next", system-ui, sans-serif;
  --wrap: 1120px;
  --ease: cubic-bezier(0.22, 0.61, 0.36, 1);
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-weight: 400;
  font-size: 1.04rem;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

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

h1, h2, h3 {
  font-family: var(--font-display);
  font-weight: 500;
  color: var(--heading);
  line-height: 1.1;
  letter-spacing: -0.01em;
}

h1 { font-size: clamp(2.5rem, 6.5vw, 4.4rem); }
h1 em { font-style: italic; color: var(--accent); }
h2 { font-size: clamp(1.9rem, 4vw, 2.7rem); margin-bottom: 1rem; }
h3 { font-size: 1.4rem; }

p + p { margin-top: 1em; }

a { color: var(--accent-deep); }

.eyebrow {
  font-size: 0.78rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--accent);
  font-weight: 600;
  margin-bottom: 1rem;
}

.skip-link {
  position: absolute; left: -999px; top: 0; z-index: 100;
  background: var(--accent); color: #fff; padding: 0.6rem 1rem;
}
.skip-link:focus { left: 0.5rem; top: 0.5rem; }

/* ── Botones ─────────────────────────────────────────────── */
.btn {
  display: inline-block;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.95rem;
  letter-spacing: 0.02em;
  text-decoration: none;
  padding: 0.9rem 1.9rem;
  border-radius: 999px;
  border: 1.5px solid var(--accent);
  cursor: pointer;
  transition: background 0.25s var(--ease), color 0.25s var(--ease), transform 0.25s var(--ease);
}
.btn-gold { background: var(--accent); color: #fff; }
.btn-gold:hover { background: var(--accent-deep); border-color: var(--accent-deep); transform: translateY(-2px); }
.btn-ghost { background: transparent; color: var(--accent-deep); }
.btn-ghost:hover { background: rgba(180, 87, 44, 0.08); transform: translateY(-2px); }
.btn-big { width: 100%; padding: 1.1rem; font-size: 1.05rem; }
.btn:focus-visible, a:focus-visible, button:focus-visible, input:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}

/* ── Header ──────────────────────────────────────────────── */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(253, 250, 245, 0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line);
}
.nav {
  max-width: var(--wrap);
  margin: 0 auto;
  padding: 0.8rem 1.4rem;
  display: flex; align-items: center; justify-content: space-between; gap: 1rem;
}
.nav-logo {
  display: flex; align-items: baseline; gap: 0.55rem;
  text-decoration: none; color: var(--heading);
}
.nav-wordmark {
  font-family: var(--font-display);
  font-size: 1.75rem;
  font-weight: 600;
  line-height: 1;
  display: flex; align-items: baseline; gap: 0.55rem;
}
.nav-wordmark::first-letter { color: var(--accent); }
.nav-wordmark small, .footer-wordmark small {
  font-family: var(--font-body);
  font-size: 0.62rem;
  font-weight: 600;
  letter-spacing: 0.26em;
  text-transform: uppercase;
  color: var(--muted);
}
.nav-links {
  display: flex; align-items: center; gap: 1.8rem; list-style: none;
}
.nav-links a:not(.btn) {
  text-decoration: none; color: var(--text);
  font-size: 0.95rem; font-weight: 500;
  transition: color 0.2s;
}
.nav-links a:not(.btn):hover { color: var(--accent); }
.btn-nav { padding: 0.5rem 1.3rem; font-size: 0.85rem; }
.nav-toggle { display: none; }

/* ── Hero ────────────────────────────────────────────────── */
.hero {
  position: relative;
  min-height: min(82vh, 720px);
  display: grid; place-items: center;
  text-align: center;
  overflow: hidden;
  padding: 5rem 1.4rem;
  background:
    radial-gradient(ellipse 70% 55% at 50% 100%, rgba(180, 87, 44, 0.07) 0%, transparent 65%),
    linear-gradient(180deg, var(--surface) 0%, var(--bg) 78%);
}
.hero-glow { display: none; }
.hero-inner { position: relative; max-width: 760px; }
.hero-sub {
  max-width: 480px; margin: 1.5rem auto 2.2rem;
  color: var(--text); font-size: 1.14rem;
}
.hero-actions { display: flex; gap: 1rem; justify-content: flex-start; flex-wrap: wrap; margin-top: 1.8rem; }
.hero .hero-actions { justify-content: center; }

/* ── Secciones ───────────────────────────────────────────── */
.section { padding: 6rem 1.4rem; }
.section-alt { background: var(--surface); }
.wrap { max-width: var(--wrap); margin: 0 auto; }
.wrap-narrow { max-width: 760px; }
.section-head { text-align: center; max-width: 640px; margin: 0 auto 3.2rem; }
.section-sub { color: var(--muted); }

.two-col {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 4rem; align-items: center;
}

.feature-list { list-style: none; margin-top: 1.8rem; }
.feature-list li {
  padding: 0.85rem 0;
  border-top: 1px solid var(--line);
}
.feature-list li strong { color: var(--heading); font-weight: 700; }

address { font-style: normal; color: var(--muted); margin-bottom: 1.4rem; }

/* ── Paneles de foto ─────────────────────────────────────── */
.media-slot {
  aspect-ratio: 4 / 5;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background:
    radial-gradient(ellipse at 30% 20%, rgba(180, 87, 44, 0.06), transparent 60%),
    var(--surface);
  display: grid; place-items: center;
  text-align: center;
  color: var(--muted);
  font-size: 0.95rem;
  padding: 1rem;
}
.gallery {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.2rem;
}
.gallery .media-slot { aspect-ratio: 3 / 4; }

/* ── Tarjetas de servicios ───────────────────────────────── */
.cards {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.2rem;
}
.card {
  background: var(--surface-2);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.7rem 1.5rem;
  box-shadow: 0 1px 3px rgba(46, 33, 24, 0.04);
  transition: border-color 0.3s, transform 0.3s var(--ease), box-shadow 0.3s;
}
.card:hover {
  border-color: rgba(180, 87, 44, 0.4);
  transform: translateY(-4px);
  box-shadow: 0 10px 24px rgba(46, 33, 24, 0.08);
}
.card .cat {
  font-size: 0.72rem; letter-spacing: 0.2em; text-transform: uppercase;
  font-weight: 700; color: var(--accent); margin-bottom: 0.6rem;
}
.card h3 { font-size: 1.3rem; margin-bottom: 0.5rem; }
.card p { color: var(--muted); font-size: 0.95rem; line-height: 1.5; }
.card .book-link {
  display: inline-block; margin-top: 1rem;
  font-size: 0.88rem; font-weight: 600;
  color: var(--accent-deep); text-decoration: none;
  border-bottom: 1.5px solid rgba(180, 87, 44, 0.35);
  padding-bottom: 2px;
}
.card .book-link:hover { color: var(--accent); border-color: var(--accent); }

/* ── Paquetes ────────────────────────────────────────────── */
.packages { display: grid; grid-template-columns: 1fr 1fr; gap: 1.4rem; }
.package {
  position: relative;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 2.4rem 2.2rem;
  background:
    radial-gradient(ellipse at 80% 0%, rgba(180, 87, 44, 0.07), transparent 55%),
    var(--surface-2);
  box-shadow: 0 1px 3px rgba(46, 33, 24, 0.04);
}
.package h3 { font-size: 1.8rem; margin-bottom: 0.6rem; }
.package ul { list-style: none; margin: 1.2rem 0 1.6rem; }
.package li { padding: 0.4rem 0; color: var(--text); }
.package li::before { content: "· "; color: var(--accent); font-weight: 700; }
.package .desc { color: var(--muted); font-size: 0.98rem; }

/* ── Reserva ─────────────────────────────────────────────── */
.booking {
  background: var(--surface-2);
  border: 1px solid var(--line);
  border-radius: calc(var(--radius) + 6px);
  padding: 2.4rem clamp(1.2rem, 4vw, 2.6rem) 2.2rem;
  box-shadow: 0 2px 10px rgba(46, 33, 24, 0.05);
}
.booking-steps { list-style: none; }
.booking-step { margin-bottom: 2.2rem; }
.booking-step h3 {
  display: flex; align-items: center; gap: 0.7rem;
  font-size: 1.25rem; margin-bottom: 1rem;
}
.step-num {
  display: grid; place-items: center;
  width: 30px; height: 30px; border-radius: 50%;
  background: var(--accent);
  color: #fff;
  font-family: var(--font-body); font-size: 0.85rem; font-weight: 700;
  flex-shrink: 0;
}
.chip-group { display: flex; flex-wrap: wrap; gap: 0.6rem; }
.chip-scroll {
  flex-wrap: nowrap; overflow-x: auto; padding-bottom: 0.5rem;
  scrollbar-width: thin; scrollbar-color: var(--line) transparent;
}
.chip {
  font-family: var(--font-body); font-weight: 500; font-size: 0.95rem;
  color: var(--text);
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 0.6rem 1.2rem;
  cursor: pointer;
  white-space: nowrap;
  transition: background 0.2s, color 0.2s, border-color 0.2s;
}
.chip:hover { border-color: var(--accent); }
.chip[aria-checked="true"] {
  background: var(--accent); color: #fff; border-color: var(--accent);
  font-weight: 600;
}
.chip:disabled { opacity: 0.35; cursor: not-allowed; }
.chip-day { display: inline-flex; flex-direction: column; align-items: center; line-height: 1.25; padding: 0.55rem 1.1rem; }
.chip-day .dow { font-size: 0.72rem; letter-spacing: 0.14em; text-transform: uppercase; }
.chip-day .dnum { font-family: var(--font-display); font-size: 1.25rem; }

.hint { color: var(--muted); font-size: 0.9rem; }
.hint.center { text-align: center; margin-top: 1rem; }

.fields { display: grid; grid-template-columns: 1fr 1fr; gap: 1.2rem; }
.field label {
  display: block; font-size: 0.85rem; font-weight: 700;
  letter-spacing: 0.08em; text-transform: uppercase;
  color: var(--heading); margin-bottom: 0.45rem;
}
.field .opt { text-transform: none; letter-spacing: 0; font-weight: 400; color: var(--muted); }
.field input {
  width: 100%;
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: 10px;
  color: var(--heading);
  font-family: var(--font-body); font-weight: 400; font-size: 1rem;
  padding: 0.85rem 1rem;
}
.field input::placeholder { color: rgba(131, 112, 95, 0.55); }
.field input[aria-invalid="true"] { border-color: var(--error); }
.field-error { color: var(--error); font-size: 0.85rem; margin-top: 0.4rem; }

.booking-summary {
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  padding: 1.2rem 0.2rem;
  margin-bottom: 1.6rem;
  font-family: var(--font-display);
  font-size: 1.25rem;
  color: var(--accent-deep);
  text-align: center;
}

/* ── Horario ─────────────────────────────────────────────── */
.hours { margin-bottom: 1.8rem; }
.hours-row {
  display: flex; justify-content: space-between; gap: 1rem;
  padding: 0.45rem 0;
  border-top: 1px solid var(--line);
  font-size: 0.98rem;
  max-width: 380px;
}
.hours-row span:last-child { color: var(--muted); }
.hours-note { color: var(--muted); font-size: 0.85rem; margin-top: 0.6rem; }

/* ── Footer ──────────────────────────────────────────────── */
.site-footer {
  text-align: center;
  padding: 4rem 1.4rem 3rem;
  border-top: 1px solid var(--line);
  background: var(--surface);
  color: var(--muted);
}
.footer-wordmark {
  font-family: var(--font-display);
  font-size: 2rem; font-weight: 600; color: var(--heading);
  margin-bottom: 0.6rem;
}
.footer-wordmark::first-letter { color: var(--accent); }

/* ── WhatsApp flotante ───────────────────────────────────── */
.wa-float {
  position: fixed; right: 1.3rem; bottom: 1.3rem; z-index: 60;
  width: 56px; height: 56px; border-radius: 50%;
  display: grid; place-items: center;
  background: #25d366; color: #fff;
  box-shadow: 0 6px 20px rgba(46, 33, 24, 0.25);
  transition: transform 0.25s var(--ease);
}
.wa-float:hover { transform: scale(1.08); }
.wa-float svg { width: 30px; }

/* ── Revelado al hacer scroll ────────────────────────────── */
.reveal { opacity: 0; transform: translateY(24px); transition: opacity 0.7s var(--ease), transform 0.7s var(--ease); }
.reveal.in { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; transition: none; }
  .btn, .card, .wa-float { transition: none; }
}

/* ── Responsive ──────────────────────────────────────────── */
@media (max-width: 980px) {
  .cards { grid-template-columns: repeat(2, 1fr); }
  .gallery { grid-template-columns: repeat(2, 1fr); }
  .two-col { grid-template-columns: 1fr; gap: 2.5rem; }
  .two-col .media-slot { max-width: 480px; }
}

@media (max-width: 720px) {
  .section { padding: 4.5rem 1.2rem; }
  .packages { grid-template-columns: 1fr; }
  .fields { grid-template-columns: 1fr; }

  .nav-toggle {
    display: flex; flex-direction: column; gap: 6px;
    background: none; border: none; padding: 0.6rem; cursor: pointer;
  }
  .nav-toggle span {
    width: 26px; height: 2px; background: var(--heading);
    transition: transform 0.3s var(--ease);
  }
  .nav-toggle[aria-expanded="true"] span:first-child { transform: translateY(4px) rotate(45deg); }
  .nav-toggle[aria-expanded="true"] span:last-child { transform: translateY(-4px) rotate(-45deg); }

  .nav-links {
    position: absolute; left: 0; right: 0; top: 100%;
    flex-direction: column; align-items: stretch; gap: 0;
    background: rgba(253, 250, 245, 0.98);
    border-bottom: 1px solid var(--line);
    padding: 0.6rem 1.4rem 1.2rem;
    display: none;
  }
  .nav-links.open { display: flex; }
  .nav-links li { padding: 0.55rem 0; }
  .btn-nav { display: block; text-align: center; margin-top: 0.6rem; }
}

@media (max-width: 420px) {
  .cards { grid-template-columns: 1fr; }
  .gallery { grid-template-columns: 1fr; }
  .gallery .media-slot { aspect-ratio: 4 / 3; }
}

/* ── Ajustes de la versión DEMO ──────────────────────────── */
.demo-badge {
  position: fixed;
  bottom: 1rem; left: 1rem;
  z-index: 60;
  background: rgba(46, 33, 24, 0.88);
  color: #f5ede3;
  border-radius: 999px;
  padding: 0.35rem 0.9rem;
  font-size: 0.75rem;
  letter-spacing: 0.04em;
  backdrop-filter: blur(4px);
}

.media-deco {
  gap: 0.8rem;
}
.media-deco .deco-mark {
  font-family: var(--font-display);
  font-size: 3rem;
  font-weight: 600;
  color: var(--accent);
  opacity: 0.55;
  line-height: 1;
}
.media-deco figcaption {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-style: italic;
  color: var(--muted);
}

.card .price, .package .price {
  font-family: var(--font-display);
  font-size: 1.45rem;
  font-weight: 600;
  color: var(--heading);
  margin-top: 0.6rem;
}
.card .price small, .package .price small {
  font-size: 0.7rem;
  letter-spacing: 0.06em;
  color: var(--muted);
}