/* ==========================================================
   MERY WAYFARER — Una estantería digital (v2)
   Sistema visual: papel, tinta, madera, fichas de catálogo
   Mobile-first · Sin gradientes · Marcos finos
   ========================================================== */

:root {
  --hueso:   #F5F0E8;
  --papel:   #EFE8DC;
  --tinta:   #1A1613;
  --madera:  #6B4226;
  --dorado:  #A68456;
  --topo:    #8A7E6F;
  --musgo:   #4F5A43;

  --serif: "Cormorant Garamond", Georgia, serif;
  --sans:  "Inter", -apple-system, "Segoe UI", sans-serif;

  --ancho-max: 68rem;
  --hairline: 1px solid rgba(26, 22, 19, 0.25);
}

/* ---------- Reset básico ---------- */
*, *::before, *::after { box-sizing: border-box; }
body, h1, h2, h3, p, ul { margin: 0; }
ul[role="list"] { list-style: none; padding: 0; }
img { max-width: 100%; display: block; }

html { scroll-behavior: smooth; }

body {
  background-color: var(--hueso);
  color: var(--tinta);
  font-family: var(--sans);
  font-weight: 300;
  font-size: 1rem;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  /* Grano de papel sutil */
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='120' viewBox='0 0 120 120'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2'/%3E%3CfeColorMatrix values='0 0 0 0 0.1 0 0 0 0 0.08 0 0 0 0 0.07 0 0 0 0.035 0'/%3E%3C/filter%3E%3Crect width='120' height='120' filter='url(%23n)'/%3E%3C/svg%3E");
}

a { color: var(--madera); text-decoration-thickness: 1px; text-underline-offset: 3px; }
a:hover { color: var(--dorado); }

strong { font-weight: 500; }

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

.skip-link {
  position: absolute;
  left: -999px;
  background: var(--tinta);
  color: var(--hueso);
  padding: 0.5rem 1rem;
  z-index: 100;
}
.skip-link:focus { left: 1rem; top: 1rem; }

.eyebrow {
  font-size: 0.72rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--topo);
}

/* ---------- Navegación ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background-color: rgba(245, 240, 232, 0.92);
  backdrop-filter: blur(4px);
  border-bottom: var(--hairline);
}

.nav {
  max-width: var(--ancho-max);
  margin: 0 auto;
  padding: 0.9rem 1.25rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav__brand {
  font-family: var(--serif);
  font-size: 1.4rem;
  text-decoration: none;
  color: var(--tinta);
}
.nav__brand em { color: var(--madera); }

.nav__toggle {
  display: flex;
  flex-direction: column;
  gap: 6px;
  background: none;
  border: none;
  padding: 0.5rem;
  cursor: pointer;
}
.nav__toggle span {
  display: block;
  width: 26px;
  height: 1px;
  background: var(--tinta);
  transition: transform 0.25s ease;
}
.nav__toggle[aria-expanded="true"] span:first-child { transform: translateY(3.5px) rotate(45deg); }
.nav__toggle[aria-expanded="true"] span:last-child  { transform: translateY(-3.5px) rotate(-45deg); }

.nav__menu {
  list-style: none;
  padding: 0;
  margin: 0;
  display: none;
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  background: var(--hueso);
  border-bottom: var(--hairline);
  text-align: center;
}
.nav__menu.abierto { display: block; }
.nav__menu li { border-top: var(--hairline); }
.nav__menu a {
  display: block;
  padding: 1rem;
  text-decoration: none;
  color: var(--tinta);
  font-size: 0.85rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}
.nav__menu a:hover { color: var(--madera); }

@media (min-width: 54rem) {
  .nav__toggle { display: none; }
  .nav__menu {
    display: flex;
    position: static;
    background: none;
    border: none;
    gap: 1.6rem;
  }
  .nav__menu li { border: none; }
  .nav__menu a { padding: 0; font-size: 0.75rem; }
}

/* ---------- Hero ---------- */
.hero {
  max-width: var(--ancho-max);
  margin: 0 auto;
  padding: 4rem 1.25rem 3rem;
  display: grid;
  gap: 3rem;
  align-items: center;
}

.hero__text .eyebrow { margin-bottom: 1.25rem; }

.hero__title {
  font-family: var(--serif);
  font-weight: 300;
  font-size: clamp(3rem, 8.5vw, 5.2rem);
  line-height: 1.02;
}
.hero__title em { font-style: italic; color: var(--madera); }

.hero__lead {
  font-family: var(--serif);
  font-size: clamp(1.4rem, 3.4vw, 1.9rem);
  line-height: 1.2;
  margin-top: 1.25rem;
}

.hero__soft {
  font-family: var(--serif);
  font-style: italic;
  font-size: 1.2rem;
  color: var(--dorado);
  margin: 0.75rem 0 1.5rem;
}

.hero__copy {
  max-width: 34rem;
  color: var(--tinta);
  font-size: 0.98rem;
}
.hero__copy + .hero__copy { margin-top: 0.9rem; }

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.9rem;
  margin-top: 2rem;
}

@media (min-width: 54rem) {
  .hero {
    grid-template-columns: 1.05fr 0.95fr;
    padding-top: 5.5rem;
    padding-bottom: 5rem;
  }
}

/* ---------- Estantería ilustrada ---------- */
.library {
  position: relative;
  background: var(--papel);
  border: var(--hairline);
  padding: 3rem 1.5rem 1rem;
  box-shadow: 6px 6px 0 rgba(26, 22, 19, 0.07);
}

.library__title {
  position: absolute;
  top: 1rem;
  left: 1.5rem;
  font-size: 0.66rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--topo);
}

.shelf {
  display: flex;
  align-items: flex-end;
  gap: 8px;
  padding: 2.4rem 0.25rem 0.9rem;
  border-bottom: 2px solid rgba(107, 66, 38, 0.45);
}
.shelf:last-child { margin-bottom: 0.75rem; }

.book {
  width: 26px;
  background: var(--madera);
  box-shadow: inset -5px 0 0 rgba(0, 0, 0, 0.08);
}
.book--tall  { height: 88px; }
.book--mid   { height: 66px; background: var(--dorado); }
.book--low   { height: 46px; background: var(--topo); }
.book--moss  { height: 58px; background: var(--musgo); }
.book--paper { height: 74px; background: var(--hueso); border: 1px solid rgba(26, 22, 19, 0.18); }

.souvenir {
  width: 50px;
  height: 50px;
  border-radius: 50%;
  background: var(--hueso);
  border: 1px solid rgba(26, 22, 19, 0.22);
  display: grid;
  place-items: center;
  font-family: var(--serif);
  font-size: 1.35rem;
  color: var(--madera);
}

.shelf__label {
  margin-left: auto;
  align-self: center;
  font-size: 0.64rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--topo);
}

/* Marcas de registro (sistema Diario Olfativo) */
.reg { position: absolute; width: 14px; height: 14px; }
.reg::before, .reg::after {
  content: "";
  position: absolute;
  background: var(--tinta);
  opacity: 0.5;
}
.reg::before { width: 14px; height: 1px; top: 7px; }
.reg::after  { width: 1px; height: 14px; left: 7px; }
.reg--tl { top: -7px; left: -7px; }
.reg--tr { top: -7px; right: -7px; }
.reg--bl { bottom: -7px; left: -7px; }
.reg--br { bottom: -7px; right: -7px; }

/* ---------- Botones ---------- */
.btn {
  display: inline-block;
  padding: 0.8rem 1.6rem;
  font-family: var(--sans);
  font-size: 0.78rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  text-decoration: none;
  border: 1px solid var(--tinta);
  transition: background-color 0.2s ease, color 0.2s ease;
}
.btn--primary { background: var(--tinta); color: var(--hueso); }
.btn--primary:hover { background: var(--madera); border-color: var(--madera); color: var(--hueso); }
.btn--ghost { color: var(--tinta); background: transparent; }
.btn--ghost:hover { background: var(--tinta); color: var(--hueso); }
.btn--light { border-color: rgba(245, 240, 232, 0.6); color: var(--hueso); }
.btn--light:hover { background: var(--hueso); color: var(--tinta); }
.btn--gold { background: var(--dorado); border-color: var(--dorado); color: var(--tinta); }
.btn--gold:hover { background: var(--hueso); border-color: var(--hueso); color: var(--tinta); }

/* ---------- Secciones y fichas ---------- */
.section {
  max-width: var(--ancho-max);
  margin: 0 auto;
  padding: 4.5rem 1.25rem;
}

.ficha-header {
  margin-bottom: 2.5rem;
  padding-bottom: 1.25rem;
  border-bottom: var(--hairline);
}

.ficha-header__code {
  display: inline-block;
  font-size: 0.7rem;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--dorado);
  border: 1px solid var(--dorado);
  padding: 0.25rem 0.7rem;
  margin-bottom: 0.9rem;
}

.ficha-header__title {
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(1.9rem, 5vw, 2.7rem);
  line-height: 1.15;
}
.ficha-header__title em { font-style: italic; color: var(--madera); }

.ficha-header__desc {
  color: var(--topo);
  margin-top: 0.6rem;
  max-width: 36rem;
}

.ficha-header--light { border-color: rgba(245, 240, 232, 0.35); }
.ficha-header--light .ficha-header__title { color: var(--hueso); }
.ficha-header--light .ficha-header__title em { color: var(--dorado); }

/* ---------- Manifiesto ---------- */
.manifiesto__paper {
  background: var(--papel);
  border: var(--hairline);
  padding: 2.25rem 1.5rem;
  max-width: 42rem;
  box-shadow: 4px 4px 0 rgba(26, 22, 19, 0.06);
}
.manifiesto__paper p + p { margin-top: 1.1rem; }
.manifiesto__paper p:first-child::first-letter {
  font-family: var(--serif);
  font-size: 3.2rem;
  float: left;
  line-height: 0.8;
  padding-right: 0.55rem;
  padding-top: 0.3rem;
  color: var(--madera);
}
.manifiesto__cierre {
  font-family: var(--serif);
  font-size: 1.5rem;
  color: var(--madera);
}
.manifiesto__firma {
  font-size: 0.72rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--topo);
  text-align: right;
}

@media (min-width: 46rem) {
  .manifiesto__paper { padding: 3rem 3.25rem; }
}

/* ---------- Estantes ---------- */
.shelf-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2.5rem 2rem;
}

.shelf-card {
  position: relative;
  padding: 1.5rem 1.25rem 1.75rem;
  border: var(--hairline);
  background: var(--hueso);
  /* La tabla del estante: línea de madera bajo cada card */
  box-shadow: 0 6px 0 -3px var(--madera);
  transition: transform 0.25s ease;
}
.shelf-card:hover { transform: translateY(-4px); }

.shelf-card__code {
  font-size: 0.68rem;
  letter-spacing: 0.22em;
  color: var(--dorado);
}

.shelf-card h3 {
  font-family: var(--serif);
  font-weight: 500;
  font-size: 1.45rem;
  margin: 0.5rem 0 0.6rem;
  line-height: 1.15;
}

.shelf-card p { font-size: 0.94rem; }

.chips {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  margin-top: 1rem;
}
.chips li {
  font-size: 0.66rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--madera);
  border: 1px solid rgba(107, 66, 38, 0.35);
  padding: 0.25rem 0.6rem;
}

@media (min-width: 46rem) {
  .shelf-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (min-width: 64rem) {
  .shelf-grid { grid-template-columns: repeat(3, 1fr); }
}

/* ---------- Diario Olfativo ---------- */
.diario {
  max-width: none;
  background: var(--tinta);
  color: var(--hueso);
  padding-left: 0;
  padding-right: 0;
}

.diario__inner {
  max-width: var(--ancho-max);
  margin: 0 auto;
  padding: 0 1.25rem;
  display: grid;
  gap: 2.5rem;
}

.diario__text p { max-width: 38rem; }
.diario__text p + p { margin-top: 1rem; }

.diario__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
  margin-top: 2rem;
}

.notas { display: grid; gap: 0.8rem; align-content: center; }

.nota-item {
  border: 1px solid rgba(245, 240, 232, 0.25);
  background: rgba(245, 240, 232, 0.05);
  padding: 0.9rem 1.1rem;
  font-size: 0.94rem;
}
.nota-item a { color: var(--dorado); }
.nota-item a:hover { color: var(--hueso); }

@media (min-width: 54rem) {
  .diario__inner { grid-template-columns: 1.1fr 0.9fr; }
}

/* ---------- Habilidades ---------- */
.skills-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
}

.skill {
  border: var(--hairline);
  background: var(--papel);
  padding: 1.5rem 1.4rem;
}
.skill h3 {
  font-family: var(--serif);
  font-weight: 500;
  font-size: 1.35rem;
  margin-bottom: 0.5rem;
}
.skill p { font-size: 0.92rem; color: var(--tinta); }

@media (min-width: 46rem) {
  .skills-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (min-width: 64rem) {
  .skills-grid { grid-template-columns: repeat(3, 1fr); }
}

/* ---------- Archivo ---------- */
.archivo__list { display: grid; }

.archivo-row {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  padding: 1.5rem 0;
  border-bottom: var(--hairline);
}
.archivo-row:first-child { border-top: var(--hairline); }

.archivo-row h3 {
  font-family: var(--serif);
  font-weight: 500;
  font-size: 1.5rem;
}
.archivo-row p { font-size: 0.94rem; max-width: 36rem; }

.tag {
  align-self: flex-start;
  font-size: 0.66rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--musgo);
  border: 1px solid var(--musgo);
  padding: 0.28rem 0.7rem;
  white-space: nowrap;
}
.tag--soon { color: var(--topo); border-color: var(--topo); }

@media (min-width: 46rem) {
  .archivo-row {
    display: grid;
    grid-template-columns: 0.5fr 1.2fr auto;
    align-items: center;
    gap: 1.5rem;
  }
  .tag { align-self: center; }
}

/* ---------- Contacto ---------- */
.contacto { text-align: center; }

.contacto__nota {
  position: relative;
  max-width: 36rem;
  margin: 0 auto;
  background: var(--papel);
  border: var(--hairline);
  padding: 3rem 1.5rem 2.5rem;
  box-shadow: 5px 5px 0 rgba(26, 22, 19, 0.07);
  transform: rotate(-0.6deg);
}

.contacto__pin {
  position: absolute;
  top: -9px;
  left: 50%;
  transform: translateX(-50%);
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--madera);
  border: 2px solid var(--hueso);
}

.contacto__nota h2 {
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(1.7rem, 5vw, 2.2rem);
  margin-bottom: 0.9rem;
}

.contacto__nota > p { max-width: 30rem; margin: 0 auto; }

.contacto__links {
  display: flex;
  flex-wrap: wrap;
  gap: 1.5rem;
  justify-content: center;
  margin-top: 1.75rem;
}

.contacto__links a {
  font-size: 0.78rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

/* ---------- Footer ---------- */
.footer {
  border-top: var(--hairline);
  text-align: center;
  padding: 2.25rem 1.25rem;
  font-size: 0.82rem;
  color: var(--topo);
}
.footer__small { margin-top: 0.4rem; font-style: italic; }

/* ---------- Animación de aparición (solo si hay JS) ---------- */
.js .reveal {
  opacity: 0;
  transform: translateY(14px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.js .reveal.visible { opacity: 1; transform: none; }

/* La nota de contacto conserva su rotación al aparecer */
.js .contacto__nota.reveal { transform: translateY(14px) rotate(-0.6deg); }
.js .contacto__nota.reveal.visible { transform: rotate(-0.6deg); }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .js .reveal { opacity: 1; transform: none; transition: none; }
  .contacto__nota.reveal, .js .contacto__nota.reveal.visible { transform: rotate(-0.6deg); }
  .shelf-card, .btn, .nav__toggle span { transition: none; }
}