/* ==========================================================================
   AURÉLIE — Biomimetic Skincare
   Luxury landing · Rose-gold / Copper / Cream palette
   ========================================================================== */

:root {
  /* Paleta extraída del mockup */
  --copper:        #b3775a;
  --copper-deep:   #8f5a42;
  --copper-light:  #d9a88e;
  --rose-gold:     #c88f72;
  --cream:         #f7f0ea;
  --cream-dark:    #efe4db;
  --ink:           #2e2320;
  --ink-soft:      #5c4a42;
  --line:          rgba(179, 119, 90, 0.25);

  /* Tipografía */
  --font-serif: "Cormorant Garamond", "Playfair Display", Georgia, serif;
  --font-sans:  "Montserrat", "Helvetica Neue", Arial, sans-serif;

  /* Espaciado */
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 2rem;
  --space-lg: 4rem;
  --space-xl: 7rem;

  --radius: 4px;
  --max-w: 1180px;
}

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-sans);
  font-weight: 300;
  color: var(--ink);
  background: var(--cream);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }

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

/* ---------- Utilidades tipográficas ---------- */
.eyebrow {
  font-size: 0.7rem;
  letter-spacing: 0.35em;
  text-transform: uppercase;
  color: var(--copper);
  font-weight: 500;
  margin-bottom: var(--space-sm);
}
.eyebrow--center { text-align: center; }

h1, h2, h3 { font-family: var(--font-serif); font-weight: 500; line-height: 1.15; }
h2 { font-size: clamp(2rem, 4.5vw, 3.2rem); margin-bottom: var(--space-md); }

/* ---------- Botones ---------- */
.btn {
  display: inline-block;
  font-family: var(--font-sans);
  font-size: 0.75rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  font-weight: 500;
  padding: 1rem 2.2rem;
  border-radius: var(--radius);
  border: 1px solid transparent;
  cursor: pointer;
  transition: all 0.35s cubic-bezier(0.22, 1, 0.36, 1);
}
.btn--solid {
  background: linear-gradient(135deg, var(--copper) 0%, var(--copper-deep) 100%);
  color: #fff;
  box-shadow: 0 12px 30px -12px rgba(143, 90, 66, 0.55);
}
.btn--solid:hover { transform: translateY(-2px); box-shadow: 0 18px 38px -12px rgba(143, 90, 66, 0.65); }
.btn--outline { border-color: var(--copper); color: var(--copper-deep); }
.btn--outline:hover { background: var(--copper); color: #fff; }
.btn--ghost { color: var(--ink-soft); border-color: var(--line); }
.btn--ghost:hover { border-color: var(--copper); color: var(--copper-deep); }
.btn--full { width: 100%; }

/* ---------- Header ---------- */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(247, 240, 234, 0.88);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line);
}
.nav {
  max-width: var(--max-w); margin: 0 auto;
  display: flex; align-items: center; gap: var(--space-md);
  padding: 1rem var(--space-md);
}
.nav__brand {
  font-family: var(--font-serif);
  font-size: 1.5rem; letter-spacing: 0.28em;
  color: var(--copper-deep); margin-right: auto;
}
.nav__links { display: flex; gap: 2rem; }
.nav__links a {
  font-size: 0.72rem; letter-spacing: 0.2em; text-transform: uppercase;
  color: var(--ink-soft); transition: color 0.25s;
}
.nav__links a:hover { color: var(--copper-deep); }
.nav__cta { padding: 0.7rem 1.5rem; }
.nav__toggle {
  display: none; flex-direction: column; gap: 5px;
  background: none; border: 0; cursor: pointer; padding: 0.5rem;
}
.nav__toggle span { width: 22px; height: 1.5px; background: var(--ink); transition: all 0.3s; }
.nav__toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
.nav__toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav__toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }

/* ---------- Hero ---------- */
.hero {
  position: relative;
  max-width: var(--max-w); margin: 0 auto;
  display: grid; grid-template-columns: 1.1fr 0.9fr;
  align-items: center; gap: var(--space-lg);
  padding: var(--space-xl) var(--space-md);
  overflow: hidden;
}
.hero__glow {
  position: absolute; inset: auto -10% -30% 40%;
  width: 60vw; height: 60vw; max-width: 700px; max-height: 700px;
  background: radial-gradient(circle, rgba(217, 168, 142, 0.35) 0%, transparent 65%);
  pointer-events: none;
}
.hero__title {
  font-size: clamp(3rem, 7vw, 5.5rem);
  letter-spacing: 0.04em;
  color: var(--copper-deep);
  margin: var(--space-sm) 0 var(--space-md);
}
.hero__subtitle {
  font-family: var(--font-serif);
  font-size: clamp(1.15rem, 2vw, 1.5rem);
  font-style: italic;
  color: var(--ink-soft);
  margin-bottom: var(--space-md);
}
.hero__actions { display: flex; gap: var(--space-sm); flex-wrap: wrap; margin-bottom: var(--space-md); }
.hero__badges { display: flex; gap: 1.6rem; flex-wrap: wrap; }
.hero__badges li {
  font-size: 0.68rem; letter-spacing: 0.18em; text-transform: uppercase;
  color: var(--copper); padding-left: 1.1rem; position: relative;
}
.hero__badges li::before {
  content: ""; position: absolute; left: 0; top: 50%;
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--rose-gold); transform: translateY(-50%);
}
.hero__product { position: relative; z-index: 1; }
.hero__product img { filter: drop-shadow(0 40px 60px rgba(143, 90, 66, 0.35)); }

/* ---------- Manifiesto ---------- */
.manifesto { background: var(--cream-dark); padding: var(--space-xl) var(--space-md); text-align: center; }
.manifesto blockquote p {
  font-family: var(--font-serif);
  font-size: clamp(1.8rem, 4vw, 3rem);
  line-height: 1.35; color: var(--copper-deep);
}
.manifesto em { font-style: italic; color: var(--copper); }
.manifesto cite {
  display: block; margin-top: var(--space-md);
  font-style: normal; font-size: 0.7rem;
  letter-spacing: 0.3em; text-transform: uppercase; color: var(--ink-soft);
}

/* ---------- Producto ---------- */
.product {
  max-width: var(--max-w); margin: 0 auto;
  display: grid; grid-template-columns: 0.9fr 1.1fr;
  align-items: center; gap: var(--space-lg);
  padding: var(--space-xl) var(--space-md);
}
.product__media img { filter: drop-shadow(0 30px 50px rgba(143, 90, 66, 0.3)); }
.product__copy p { color: var(--ink-soft); max-width: 46ch; margin-bottom: var(--space-md); }
.product__features { margin-bottom: var(--space-md); }
.product__features li { padding: var(--space-sm) 0; border-top: 1px solid var(--line); }
.product__features li:last-child { border-bottom: 1px solid var(--line); }
.product__features strong {
  display: block; font-family: var(--font-serif);
  font-size: 1.25rem; font-weight: 600; color: var(--ink);
}
.product__features span { font-size: 0.9rem; color: var(--ink-soft); }

/* ---------- Beneficios ---------- */
.benefits { background: var(--cream-dark); padding: var(--space-xl) var(--space-md); text-align: center; }
.benefits__grid {
  max-width: var(--max-w); margin: var(--space-lg) auto 0;
  display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-md);
}
.benefit-card {
  background: var(--cream);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: var(--space-md);
  text-align: center;
  transition: transform 0.4s cubic-bezier(0.22, 1, 0.36, 1), box-shadow 0.4s;
}
.benefit-card:hover { transform: translateY(-6px); box-shadow: 0 24px 50px -24px rgba(143, 90, 66, 0.4); }
.benefit-card__icon {
  width: 52px; height: 52px; margin: 0 auto var(--space-sm);
  color: var(--copper);
}
.benefit-card__icon svg { width: 100%; height: 100%; }
.benefit-card h3 { font-size: 1.4rem; margin-bottom: var(--space-xs); color: var(--copper-deep); }
.benefit-card p { font-size: 0.9rem; color: var(--ink-soft); }

/* ---------- Ingredientes ---------- */
.ingredients {
  max-width: 820px; margin: 0 auto;
  padding: var(--space-xl) var(--space-md);
}
.ingredients__list { margin-top: var(--space-md); }
.ingredient {
  display: flex; gap: var(--space-md); align-items: baseline;
  padding: var(--space-md) 0; border-top: 1px solid var(--line);
}
.ingredient:last-of-type { border-bottom: 1px solid var(--line); }
.ingredient__num {
  font-family: var(--font-serif); font-size: 1.6rem; font-style: italic;
  color: var(--copper-light); min-width: 3rem;
}
.ingredient h3 { font-size: 1.45rem; margin-bottom: 0.25rem; }
.ingredient p { font-size: 0.92rem; color: var(--ink-soft); }
.ingredients__note {
  margin-top: var(--space-md); text-align: center;
  font-size: 0.7rem; letter-spacing: 0.25em; text-transform: uppercase; color: var(--copper);
}

/* ---------- Ritual ---------- */
.ritual { background: var(--copper-deep); color: var(--cream); padding: var(--space-xl) var(--space-md); text-align: center; }
.ritual .eyebrow { color: var(--copper-light); }
.ritual h2 { color: var(--cream); }
.ritual__steps {
  max-width: var(--max-w); margin: var(--space-lg) auto 0;
  display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-md);
}
.step {
  border: 1px solid rgba(247, 240, 234, 0.2);
  border-radius: var(--radius); padding: var(--space-md);
}
.step__num {
  display: inline-block; width: 44px; height: 44px; line-height: 44px;
  border: 1px solid var(--copper-light); border-radius: 50%;
  font-family: var(--font-serif); font-size: 1.3rem; margin-bottom: var(--space-sm);
}
.step h3 { font-size: 1.35rem; margin-bottom: var(--space-xs); }
.step p { font-size: 0.9rem; color: rgba(247, 240, 234, 0.8); }
.ritual__hint {
  margin-top: var(--space-lg);
  font-size: 0.7rem; letter-spacing: 0.25em; text-transform: uppercase;
  color: var(--copper-light);
}

/* ---------- Comprar ---------- */
.buy { max-width: var(--max-w); margin: 0 auto; padding: var(--space-xl) var(--space-md); }
.buy__card {
  display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-lg);
  background: linear-gradient(145deg, var(--cream-dark), var(--cream));
  border: 1px solid var(--line); border-radius: 6px;
  padding: var(--space-lg);
  box-shadow: 0 40px 80px -50px rgba(143, 90, 66, 0.5);
}
.buy__desc { color: var(--ink-soft); font-size: 0.92rem; margin-bottom: var(--space-sm); }
.buy__price { font-size: 0.9rem; color: var(--ink-soft); margin-bottom: var(--space-md); }
.buy__price-amount {
  font-family: var(--font-serif); font-size: 2.4rem;
  color: var(--copper-deep); margin-right: 0.3rem;
}
.buy__price-note { display: block; font-size: 0.72rem; letter-spacing: 0.15em; text-transform: uppercase; }
.buy__perks li {
  font-size: 0.85rem; color: var(--ink-soft); padding: 0.35rem 0 0.35rem 1.4rem; position: relative;
}
.buy__perks li::before { content: "—"; position: absolute; left: 0; color: var(--copper); }

.buy__form label {
  display: block; font-size: 0.7rem; letter-spacing: 0.2em;
  text-transform: uppercase; color: var(--copper-deep);
  margin: var(--space-sm) 0 0.35rem;
}
.buy__form input, .buy__form select {
  width: 100%; padding: 0.85rem 1rem;
  font-family: var(--font-sans); font-size: 0.95rem; color: var(--ink);
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  transition: border-color 0.25s;
}
.buy__form input:focus, .buy__form select:focus {
  outline: none; border-color: var(--copper);
  box-shadow: 0 0 0 3px rgba(179, 119, 90, 0.15);
}
.buy__form .btn { margin-top: var(--space-md); }
.buy__form-status { margin-top: var(--space-sm); font-size: 0.85rem; color: var(--copper-deep); min-height: 1.4em; }

/* ---------- Contacto ---------- */
.contact { background: var(--cream-dark); padding: var(--space-xl) var(--space-md); text-align: center; }
.contact__grid {
  max-width: 900px; margin: var(--space-lg) auto 0;
  display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-md);
}
.contact__item {
  display: block; padding: var(--space-md);
  border: 1px solid var(--line); border-radius: var(--radius); background: var(--cream);
  transition: transform 0.35s, border-color 0.35s;
}
.contact__item:hover { transform: translateY(-4px); border-color: var(--copper); }
.contact__label {
  display: block; font-size: 0.65rem; letter-spacing: 0.3em;
  text-transform: uppercase; color: var(--copper); margin-bottom: var(--space-xs);
}
.contact__value { font-family: var(--font-serif); font-size: 1.2rem; color: var(--ink); }

/* ---------- Footer ---------- */
.site-footer { text-align: center; padding: var(--space-lg) var(--space-md); }
.site-footer__brand {
  font-family: var(--font-serif); font-size: 1.6rem;
  letter-spacing: 0.35em; color: var(--copper-deep);
}
.site-footer__tag {
  font-size: 0.68rem; letter-spacing: 0.3em; text-transform: uppercase;
  color: var(--copper); margin: var(--space-xs) 0 var(--space-md);
}
.site-footer__nav { display: flex; justify-content: center; gap: 2rem; flex-wrap: wrap; margin-bottom: var(--space-md); }
.site-footer__nav a {
  font-size: 0.72rem; letter-spacing: 0.18em; text-transform: uppercase; color: var(--ink-soft);
}
.site-footer__nav a:hover { color: var(--copper-deep); }
.site-footer__legal { font-size: 0.72rem; color: var(--ink-soft); }

/* ---------- Animación reveal ---------- */
.reveal { opacity: 0; transform: translateY(28px); transition: opacity 0.8s ease, transform 0.8s cubic-bezier(0.22, 1, 0.36, 1); }
.reveal.is-visible { opacity: 1; transform: none; }

/* ---------- Responsive ---------- */
@media (max-width: 900px) {
  .hero, .product, .buy__card { grid-template-columns: 1fr; }
  .hero { text-align: center; padding-top: var(--space-lg); }
  .hero__actions, .hero__badges { justify-content: center; }
  .hero__product { max-width: 340px; margin: 0 auto; }
  .product__media { max-width: 300px; margin: 0 auto; }
  .benefits__grid, .ritual__steps, .contact__grid { grid-template-columns: 1fr; }
  .br-mobile { display: none; }
  .nav__links, .nav__cta {
    display: none;
  }
  .nav__links.is-open {
    display: flex; flex-direction: column; gap: 1.2rem;
    position: absolute; top: 100%; left: 0; right: 0;
    background: var(--cream); border-bottom: 1px solid var(--line);
    padding: var(--space-md); text-align: center;
  }
  .nav__toggle { display: flex; }
}

/* ---------- Accesibilidad: movimiento reducido ---------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; transition: none; }
  .btn, .benefit-card, .contact__item { transition: none; }
}