/* ============================================================
   La Coreanía — Design System
   Minimal · Editorial · Taegukgi refinado
   ============================================================ */

:root {
  /* Color — taegukgi refinado sobre blanco */
  --ink: #12151a;
  --ink-soft: #3c4250;
  --gris: #6b7280;
  --gris-claro: #9aa1ab;
  --linea: #e9e7e2;
  --blanco: #ffffff;
  --crema: #faf9f6;
  /* Paleta derivada del logotipo: mismo tono que el monograma (#8a8daa / #b4808b),
     oscurecida lo necesario para cumplir contraste AA en texto. */
  --celeste: #f0f0f8;
  --azul: #4d5389;
  --azul-tinta: #2c2e44;
  --rojo: #8d4958;
  --rojo-suave: #faf2f4;

  --font-display: "Fraunces", Georgia, serif;
  --font-body: "Inter", -apple-system, "Helvetica Neue", Arial, sans-serif;

  --max: 1200px;
  --pad: clamp(20px, 5vw, 48px);
  --radius: 2px;

  --dur: .55s;
  --ease: cubic-bezier(.22, .61, .21, 1);
}

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

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.7;
  color: var(--ink);
  background: var(--blanco);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

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

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

::selection { background: var(--azul); color: #fff; }

/* ---------- Type ---------- */

h1, h2, h3, .display {
  font-family: var(--font-display);
  font-weight: 380;
  line-height: 1.12;
  letter-spacing: -0.01em;
  color: var(--ink);
}

h1 { font-size: clamp(2.6rem, 6vw, 4.6rem); }
h2 { font-size: clamp(2rem, 4vw, 3rem); }
h3 { font-size: clamp(1.25rem, 2vw, 1.55rem); line-height: 1.25; }

.italic { font-style: italic; font-weight: 340; }

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-size: .72rem;
  font-weight: 600;
  letter-spacing: .22em;
  text-transform: uppercase;
  color: var(--azul);
  margin-bottom: 22px;
}
.eyebrow::before {
  content: "";
  width: 28px;
  height: 1px;
  background: var(--rojo);
}
.eyebrow--plain::before { display: none; }

.lead {
  font-size: clamp(1.05rem, 1.6vw, 1.25rem);
  line-height: 1.75;
  color: var(--ink-soft);
  font-weight: 400;
}

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

/* ---------- Layout ---------- */

.wrap {
  max-width: var(--max);
  margin: 0 auto;
  padding-left: var(--pad);
  padding-right: var(--pad);
}

section { padding: clamp(72px, 10vw, 130px) 0; }
section.tight { padding: clamp(48px, 7vw, 88px) 0; }

.section-head { max-width: 720px; margin-bottom: clamp(40px, 6vw, 72px); }
.section-head.center { margin-left: auto; margin-right: auto; text-align: center; }
.section-head.center .eyebrow { justify-content: center; }

.crema { background: var(--crema); }
.celeste-bg { background: var(--celeste); }
.tinta-bg { background: var(--azul-tinta); color: #d8dae9; }
.tinta-bg h2, .tinta-bg h3 { color: #fff; }

hr.rule { border: 0; border-top: 1px solid var(--linea); }

/* ---------- Header ---------- */

.header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, .92);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid transparent;
  transition: border-color .3s;
}
.header.scrolled { border-bottom-color: var(--linea); }

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 76px;
  gap: 24px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 11px;
  font-family: var(--font-display);
  font-size: 1.42rem;
  font-weight: 430;
  letter-spacing: .005em;
  color: var(--ink);
  white-space: nowrap;
}
.logo svg { width: 30px; height: 30px; flex: none; }
.logo .tilde { color: var(--rojo); }

.nav { display: flex; align-items: center; gap: clamp(18px, 2.4vw, 34px); }
.nav a {
  font-size: .88rem;
  font-weight: 500;
  color: var(--ink-soft);
  letter-spacing: .01em;
  position: relative;
  padding: 6px 0;
  transition: color .25s;
}
.nav a:hover, .nav a[aria-current="page"] { color: var(--ink); }
.nav a::after {
  content: "";
  position: absolute;
  left: 0; right: 100%;
  bottom: 0;
  height: 1.5px;
  background: var(--rojo);
  transition: right var(--dur) var(--ease);
}
.nav a:hover::after, .nav a[aria-current="page"]::after { right: 0; }

.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 13px 26px;
  font-family: var(--font-body);
  font-size: .88rem;
  font-weight: 550;
  letter-spacing: .02em;
  border-radius: 999px;
  border: 1px solid var(--ink);
  background: var(--ink);
  color: #fff;
  cursor: pointer;
  transition: background .3s, border-color .3s, color .3s, transform .3s var(--ease);
  white-space: nowrap;
}
.btn:hover { background: var(--azul); border-color: var(--azul); transform: translateY(-1px); }
.btn.ghost { background: transparent; color: var(--ink); }
.btn.ghost:hover { background: var(--ink); color: #fff; }
.btn.blanco-btn { background: #fff; border-color: #fff; color: var(--ink); }
.btn.blanco-btn:hover { background: transparent; color: #fff; }
.btn .arrow { transition: transform .3s var(--ease); }
.btn:hover .arrow { transform: translateX(4px); }

.text-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: .9rem;
  font-weight: 550;
  color: var(--azul);
  border-bottom: 1px solid transparent;
  transition: gap .3s var(--ease);
}
.text-link:hover { gap: 13px; }

/* Mobile nav */
.nav-toggle {
  display: none;
  background: none;
  border: 0;
  width: 40px; height: 40px;
  cursor: pointer;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 6px;
}
.nav-toggle span {
  width: 22px; height: 1.6px;
  background: var(--ink);
  transition: transform .3s var(--ease), opacity .3s;
}

@media (max-width: 940px) {
  .nav-toggle { display: flex; }
  .header-cta { display: none; }
  .nav {
    position: fixed;
    inset: 76px 0 auto 0;
    background: #fff;
    border-bottom: 1px solid var(--linea);
    flex-direction: column;
    align-items: flex-start;
    gap: 0;
    padding: 12px var(--pad) 28px;
    transform: translateY(-8px);
    opacity: 0;
    pointer-events: none;
    transition: opacity .3s, transform .3s var(--ease);
  }
  .nav.open { opacity: 1; transform: none; pointer-events: auto; }
  .nav a { font-size: 1.05rem; padding: 13px 0; width: 100%; border-bottom: 1px solid var(--crema); }
  body.nav-open .nav-toggle span:nth-child(1) { transform: translateY(7.6px) rotate(45deg); }
  body.nav-open .nav-toggle span:nth-child(2) { opacity: 0; }
  body.nav-open .nav-toggle span:nth-child(3) { transform: translateY(-7.6px) rotate(-45deg); }
}

/* ---------- Hero ---------- */

.hero { padding: clamp(56px, 8vw, 110px) 0 0; }

.hero-grid {
  display: grid;
  grid-template-columns: 1.05fr .95fr;
  gap: clamp(36px, 6vw, 84px);
  align-items: center;
}

.hero-copy .eyebrow { margin-bottom: 28px; }
.hero-copy h1 { margin-bottom: 26px; }
.hero-copy .lead { max-width: 480px; margin-bottom: 38px; }

.hero-actions { display: flex; align-items: center; gap: 22px; flex-wrap: wrap; }

.hero-media { position: relative; }
.hero-media .frame {
  aspect-ratio: 4 / 5;
  overflow: hidden;
  border-radius: var(--radius);
}
.hero-media img {
  width: 100%; height: 100%;
  object-fit: cover;
  transform: scale(1.04);
  transition: transform 1.6s var(--ease);
}
.hero-media:hover img { transform: scale(1.0); }
.hero-media .caption {
  margin-top: 14px;
  font-size: .78rem;
  letter-spacing: .06em;
  color: var(--gris-claro);
  text-transform: uppercase;
}

.hero-meta {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: clamp(24px, 5vw, 64px);
  margin-top: clamp(48px, 6vw, 72px);
  padding: 28px 0;
  border-top: 1px solid var(--linea);
}
@media (max-width: 640px) {
  .hero-meta { grid-template-columns: 1fr 1fr; row-gap: 26px; }
}
.hero-meta div strong {
  display: block;
  font-family: var(--font-display);
  font-size: 1.55rem;
  font-weight: 420;
  color: var(--ink);
}
.hero-meta div span { font-size: .82rem; color: var(--gris); letter-spacing: .04em; }

@media (max-width: 860px) {
  .hero-grid { grid-template-columns: 1fr; }
  .hero-media { order: -1; }
  .hero-media .frame { aspect-ratio: 16 / 10; }
}

/* ---------- Cards / grids ---------- */

.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: clamp(20px, 3vw, 40px); }
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: clamp(20px, 3vw, 40px); }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: clamp(18px, 2.5vw, 32px); }

@media (max-width: 940px) {
  .grid-3, .grid-4 { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 620px) {
  .grid-3, .grid-2, .grid-4 { grid-template-columns: 1fr; }
}

.card { display: block; }
.card .media {
  overflow: hidden;
  border-radius: var(--radius);
  aspect-ratio: 4 / 3;
  background: var(--crema);
  position: relative;
}
.card .media.tall { aspect-ratio: 3 / 4; }
.card .media img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform 1.1s var(--ease);
}
.card:hover .media img { transform: scale(1.045); }

.card .num {
  font-family: var(--font-display);
  font-style: italic;
  font-size: .95rem;
  color: var(--rojo);
  margin: 22px 0 6px;
  display: block;
}
.card h3 { margin: 4px 0 10px; transition: color .25s; }
.card:hover h3 { color: var(--azul); }
.card p { font-size: .93rem; color: var(--gris); }
.card .tag-row { margin-top: 14px; }

.tag {
  display: inline-block;
  font-size: .7rem;
  font-weight: 600;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--azul);
  background: var(--celeste);
  padding: 5px 12px;
  border-radius: 999px;
  margin-right: 6px;
}
.tag.rojo { color: var(--rojo); background: var(--rojo-suave); }

/* Tour cards */
.tour-card {
  border: 1px solid var(--linea);
  border-radius: var(--radius);
  overflow: hidden;
  background: #fff;
  display: flex;
  flex-direction: column;
  transition: border-color .3s, transform .35s var(--ease), box-shadow .35s var(--ease);
}
.tour-card:hover {
  border-color: transparent;
  transform: translateY(-4px);
  box-shadow: 0 24px 60px -24px rgba(77, 83, 137, .25);
}
.tour-card .media { aspect-ratio: 3 / 2; overflow: hidden; }
.tour-card .media img { width: 100%; height: 100%; object-fit: cover; transition: transform 1.1s var(--ease); }
.tour-card:hover .media img { transform: scale(1.05); }
.tour-card .body { padding: 26px 26px 28px; display: flex; flex-direction: column; flex: 1; }
.tour-card .meta {
  display: flex;
  gap: 14px;
  font-size: .74rem;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--gris);
  margin-bottom: 12px;
}
.tour-card .meta .dot { color: var(--rojo); }
.tour-card h3 { margin-bottom: 10px; }
.tour-card p { font-size: .92rem; color: var(--gris); flex: 1; }
.tour-card .foot {
  margin-top: 22px;
  padding-top: 18px;
  border-top: 1px solid var(--crema);
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: .85rem;
}
.tour-card .foot .desde { color: var(--gris); }
.tour-card .foot .desde strong {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 500;
  color: var(--ink);
  margin-left: 6px;
}

/* ---------- Editorial split ---------- */

.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(36px, 6vw, 90px);
  align-items: center;
}
.split.reverse .split-media { order: 2; }
.split-media { overflow: hidden; border-radius: var(--radius); }
.split-media img { width: 100%; height: 100%; object-fit: cover; aspect-ratio: 4/5; transition: transform 1.4s var(--ease); }
.split-media:hover img { transform: scale(1.03); }
.split-copy h2 { margin-bottom: 22px; }
.split-copy .lead { margin-bottom: 28px; }

@media (max-width: 860px) {
  .split { grid-template-columns: 1fr; }
  .split.reverse .split-media { order: 0; }
  .split-media img { aspect-ratio: 16/10; }
}

/* ---------- Feature list ---------- */

.features { display: grid; grid-template-columns: repeat(4, 1fr); gap: clamp(28px, 4vw, 48px); }
@media (max-width: 940px) { .features { grid-template-columns: 1fr 1fr; } }
@media (max-width: 560px) { .features { grid-template-columns: 1fr; } }

.feature { border-top: 1px solid var(--linea); padding-top: 24px; }
.feature .f-num {
  font-family: var(--font-display);
  font-style: italic;
  color: var(--rojo);
  font-size: .95rem;
  display: block;
  margin-bottom: 12px;
}
.feature h3 { font-size: 1.12rem; margin-bottom: 10px; }
.feature p { font-size: .9rem; color: var(--gris); }

/* ---------- Quote ---------- */

.quote { max-width: 860px; margin: 0 auto; text-align: center; }
.quote blockquote {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 3vw, 2.3rem);
  font-weight: 360;
  font-style: italic;
  line-height: 1.35;
  color: var(--ink);
}
.quote .who { margin-top: 26px; font-size: .85rem; letter-spacing: .1em; text-transform: uppercase; color: var(--gris); }
.quote .who strong { color: var(--azul); font-weight: 600; }

/* ---------- Article / prose ---------- */

.prose { max-width: 720px; margin: 0 auto; }
.prose p { margin-bottom: 1.5em; color: var(--ink-soft); font-size: 1.02rem; }
.prose h2 { font-size: clamp(1.5rem, 2.6vw, 2rem); margin: 2em 0 .7em; }
.prose h3 { margin: 1.8em 0 .6em; }
.prose ul, .prose ol { margin: 0 0 1.5em 1.2em; color: var(--ink-soft); }
.prose li { margin-bottom: .5em; }
.prose blockquote {
  border-left: 2px solid var(--rojo);
  padding-left: 24px;
  margin: 2em 0;
  font-family: var(--font-display);
  font-style: italic;
  font-size: 1.25rem;
  color: var(--ink);
}
.prose img { border-radius: var(--radius); margin: 2em 0; }
.prose strong { color: var(--ink); }
.prose a { color: var(--azul); border-bottom: 1px solid rgba(77, 83, 137, .25); }
.prose a:hover { border-bottom-color: var(--azul); }

.article-hero { padding: clamp(48px, 7vw, 90px) 0 0; }
.article-hero .kicker { display: flex; gap: 16px; align-items: center; justify-content: center; font-size: .78rem; letter-spacing: .14em; text-transform: uppercase; color: var(--gris); margin-bottom: 24px; }
.article-hero .kicker .cat { color: var(--rojo); font-weight: 600; }
.article-hero h1 { text-align: center; max-width: 900px; margin: 0 auto 24px; font-size: clamp(2.1rem, 4.6vw, 3.6rem); }
.article-hero .standfirst { text-align: center; max-width: 640px; margin: 0 auto; }

/* ---------- Steps ---------- */

.steps { counter-reset: paso; display: grid; grid-template-columns: repeat(3, 1fr); gap: clamp(24px, 4vw, 48px); }
@media (max-width: 860px) { .steps { grid-template-columns: 1fr; } }
.step { counter-increment: paso; border-top: 1px solid var(--linea); padding-top: 26px; position: relative; }
.step::before {
  content: "0" counter(paso);
  font-family: var(--font-display);
  font-style: italic;
  font-size: 2.2rem;
  font-weight: 340;
  color: var(--azul);
  display: block;
  margin-bottom: 14px;
}
.step h3 { font-size: 1.15rem; margin-bottom: 10px; }
.step p { font-size: .92rem; color: var(--gris); }

/* ---------- FAQ ---------- */

.faq { max-width: 780px; margin: 0 auto; }
.faq details { border-bottom: 1px solid var(--linea); }
.faq summary {
  cursor: pointer;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 20px;
  padding: 24px 0;
  font-family: var(--font-display);
  font-size: 1.18rem;
  font-weight: 420;
  transition: color .25s;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary:hover { color: var(--azul); }
.faq summary .plus {
  flex: none;
  width: 26px; height: 26px;
  border: 1px solid var(--linea);
  border-radius: 50%;
  display: grid;
  place-items: center;
  font-family: var(--font-body);
  font-size: 1rem;
  color: var(--azul);
  transition: transform .3s var(--ease), background .3s, color .3s;
}
.faq details[open] summary .plus { transform: rotate(45deg); background: var(--azul); color: #fff; border-color: var(--azul); }
.faq .faq-body { padding: 0 0 26px; color: var(--gris); max-width: 640px; }

/* ---------- Banda CTA ---------- */

.banda {
  text-align: center;
  padding: clamp(80px, 11vw, 150px) 0;
}
.banda h2 { max-width: 760px; margin: 0 auto 20px; }
.banda p { max-width: 540px; margin: 0 auto 36px; }
.banda .hero-actions { justify-content: center; }

/* ---------- Contact ---------- */

.contact-grid { display: grid; grid-template-columns: .9fr 1.1fr; gap: clamp(40px, 6vw, 90px); }
@media (max-width: 860px) { .contact-grid { grid-template-columns: 1fr; } }

.contact-item { padding: 20px 0; border-bottom: 1px solid var(--linea); display: flex; justify-content: space-between; align-items: baseline; gap: 20px; flex-wrap: wrap; }
.contact-item .k { font-size: .74rem; letter-spacing: .16em; text-transform: uppercase; color: var(--gris); }
.contact-item .v { font-family: var(--font-display); font-size: 1.15rem; }
.contact-item .v a:hover { color: var(--azul); }

.form label { display: block; font-size: .78rem; font-weight: 600; letter-spacing: .1em; text-transform: uppercase; color: var(--gris); margin-bottom: 8px; }
.form input, .form select, .form textarea {
  width: 100%;
  font-family: var(--font-body);
  font-size: .95rem;
  color: var(--ink);
  padding: 14px 16px;
  border: 1px solid var(--linea);
  border-radius: var(--radius);
  background: #fff;
  margin-bottom: 22px;
  transition: border-color .25s;
}
.form input:focus, .form select:focus, .form textarea:focus { outline: none; border-color: var(--azul); }
.form .row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
@media (max-width: 560px) { .form .row { grid-template-columns: 1fr; } }

/* ---------- Footer ---------- */

.footer {
  background: var(--azul-tinta);
  color: #aeb1cb;
  padding: clamp(64px, 8vw, 100px) 0 40px;
  font-size: .9rem;
}
.footer a { transition: color .25s; }
.footer a:hover { color: #fff; }

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: clamp(32px, 5vw, 64px);
  padding-bottom: 56px;
  border-bottom: 1px solid rgba(255, 255, 255, .12);
}
@media (max-width: 860px) { .footer-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 560px) { .footer-grid { grid-template-columns: 1fr; } }

.footer .logo { color: #fff; margin-bottom: 18px; }
.footer .brand-note { max-width: 320px; font-size: .88rem; line-height: 1.7; }
.footer h4 {
  font-size: .72rem;
  font-weight: 600;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: #fff;
  margin-bottom: 20px;
}
.footer ul { list-style: none; }
.footer li { margin-bottom: 12px; }

.footer-legal {
  padding-top: 36px;
  text-align: center;
  font-size: .78rem;
  line-height: 1.95;
  color: #9699b6;
}
.footer-legal p { margin: 0; }
.footer-legal a { color: #cccee0; border-bottom: 1px solid rgba(255, 255, 255, .2); }
.footer-legal a:hover { color: #fff; }

/* ---------- Reveal on scroll ---------- */

/* Solo se anima si hay JS (html.js): sin JS todo queda visible */
html.js .reveal {
  opacity: 0;
  transform: translateY(26px);
  transition: opacity .9s var(--ease), transform .9s var(--ease);
}
html.js .reveal.visible { opacity: 1; transform: none; }
html.js .reveal.d1 { transition-delay: .08s; }
html.js .reveal.d2 { transition-delay: .16s; }
html.js .reveal.d3 { transition-delay: .24s; }

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

/* ---------- Misc ---------- */

.breadcrumb { font-size: .8rem; color: var(--gris); letter-spacing: .04em; }
.breadcrumb a:hover { color: var(--azul); }
.breadcrumb .sep { margin: 0 8px; color: var(--gris-claro); }

.whatsapp-fab {
  position: fixed;
  right: 22px;
  bottom: 22px;
  z-index: 90;
  width: 54px; height: 54px;
  border-radius: 50%;
  background: var(--azul);
  display: grid;
  place-items: center;
  box-shadow: 0 12px 30px -8px rgba(44, 46, 68, .45);
  transition: transform .3s var(--ease), background .3s;
}
.whatsapp-fab:hover { transform: translateY(-3px); background: var(--rojo); }
.whatsapp-fab svg { width: 26px; height: 26px; fill: #fff; }