/* Yan Yupanqui — dirección "minimal japonés"
   Paleta washi/sumi, líneas de 1px, un solo acento bermellón. */

:root {
  --paper: #f7f5f0;
  --white: #ffffff;
  --ink: #1c1a17;
  --muted: #605a52;
  --soft: #6e6960;
  --dim: #8a847a;
  --faint: #a9a297;
  --line: #e3ded4;
  --line-soft: #ece7de;
  --accent: #b7412c;

  --serif: 'Shippori Mincho', Georgia, 'Times New Roman', serif;
  --sans: 'Zen Kaku Gothic New', system-ui, -apple-system, 'Segoe UI', sans-serif;

  --container: 1240px;
  --pad-x: clamp(20px, 6vw, 88px);
  --section: clamp(72px, 10vw, 126px);
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.85;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

img {
  max-width: 100%;
}

h1,
h2,
h3 {
  font-family: var(--serif);
  font-weight: 400;
  margin: 0;
}

p {
  margin: 0;
}

ul {
  margin: 0;
  padding: 0;
  list-style: none;
}

a {
  color: var(--ink);
  text-decoration: none;
  transition: color 0.25s ease, border-color 0.25s ease;
}

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

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

.container {
  max-width: var(--container);
  margin: 0 auto;
  padding-inline: var(--pad-x);
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--ink);
  color: var(--paper);
  padding: 12px 20px;
  z-index: 50;
}

.skip-link:focus {
  left: 0;
}

/* ---------- encabezado ---------- */

.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  background: rgba(247, 245, 240, 0.92);
  backdrop-filter: blur(6px);
  border-bottom: 1px solid var(--line);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding-block: 20px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 13px;
}

.brand-mark {
  width: 8px;
  height: 8px;
  background: var(--accent);
  display: inline-block;
}

.brand-name {
  font-family: var(--serif);
  font-size: 18px;
  letter-spacing: 0.06em;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: clamp(20px, 3vw, 40px);
  font-size: 14px;
  letter-spacing: 0.06em;
}

.nav-links a {
  color: var(--soft);
  padding-block: 6px;
}

.nav-links a:hover {
  color: var(--ink);
}

.nav-links .nav-contact {
  color: var(--ink);
  border-bottom: 1px solid var(--accent);
  padding-bottom: 3px;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.lang-toggle {
  font-family: var(--sans);
  font-size: 12.5px;
  letter-spacing: 0.12em;
  color: var(--soft);
  background: transparent;
  border: 1px solid var(--line);
  padding: 8px 13px;
  cursor: pointer;
  transition: border-color 0.25s ease, color 0.25s ease;
}

.lang-toggle:hover {
  color: var(--ink);
  border-color: var(--dim);
}

.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  border: 1px solid var(--line);
  background: transparent;
  cursor: pointer;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 6px;
}

.nav-toggle span {
  width: 18px;
  height: 1px;
  background: var(--ink);
  display: block;
}

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

.hero {
  padding-block: clamp(72px, 11vw, 132px) clamp(64px, 9vw, 118px);
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 8fr) minmax(0, 4fr);
  gap: 30px;
  align-items: start;
}

.label {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: clamp(26px, 4vw, 44px);
  font-size: 12.5px;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--dim);
}

.label-rule {
  width: 56px;
  height: 1px;
  background: var(--accent);
  display: inline-block;
  flex: none;
}

.hero h1 {
  font-size: clamp(29px, 4.3vw, 52px);
  line-height: 1.52;
  letter-spacing: 0.005em;
  margin-bottom: clamp(26px, 3.4vw, 40px);
  max-width: 780px;
  text-wrap: pretty;
}

.lede {
  font-size: clamp(15.5px, 1.4vw, 17px);
  line-height: 1.92;
  color: var(--muted);
  max-width: 520px;
  margin-bottom: clamp(34px, 4.5vw, 52px);
}

.link-arrow {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  font-size: 15.5px;
  letter-spacing: 0.04em;
  border-bottom: 1px solid var(--ink);
  padding-bottom: 9px;
  min-height: 44px;
}

.link-arrow:hover {
  border-color: var(--accent);
}

.hero-aside {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 20px;
  padding-top: 6px;
}

.vertical-label {
  font-size: 11.5px;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--faint);
  writing-mode: vertical-rl;
}

.vertical-rule {
  width: 1px;
  height: 150px;
  background: var(--line);
  display: inline-block;
}

/* ---------- banda de imagen ---------- */

.band {
  padding-bottom: var(--section);
}

.band-figure {
  margin: 0;
}

.band-figure img {
  width: 100%;
  height: clamp(200px, 30vw, 380px);
  object-fit: cover;
  display: block;
}

.band-figure figcaption {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  padding-top: 16px;
  font-size: 12.5px;
  letter-spacing: 0.1em;
  color: var(--faint);
}

/* ---------- secciones ---------- */

.section {
  padding-bottom: var(--section);
}

.section-head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 24px;
  flex-wrap: wrap;
  border-bottom: 1px solid var(--ink);
  padding-bottom: 24px;
  margin-bottom: clamp(34px, 5vw, 56px);
}

.section-head h2 {
  font-size: clamp(23px, 3vw, 32px);
  letter-spacing: 0.04em;
}

.section-meta {
  font-size: 12.5px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--dim);
}

.index {
  color: var(--faint);
}

/* ---------- modelos de páginas ---------- */

.models-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: clamp(40px, 5vw, 56px) clamp(28px, 4vw, 48px);
}

.model {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.mock {
  border: 1px solid var(--line);
  background: var(--white);
}

.mock-bar {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 9px 13px;
  border-bottom: 1px solid var(--line-soft);
}

.dot {
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: #ded8ce;
  display: block;
}

.mock-url {
  margin-left: 8px;
  font-size: 9.5px;
  letter-spacing: 0.08em;
  color: #b3aca1;
}

.mock-body {
  padding: 14px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  /* alinea el pie de los cuatro marcos aunque su contenido difiera */
  min-height: 216px;
}

.bar {
  display: block;
  height: 3px;
  background: #e6e0d5;
}

.bar-light {
  background: #ded8ce;
}

.bar-accent {
  background: var(--accent);
}

.mock-hero {
  height: 96px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 7px;
}

.mock-hero-dark {
  background: #3b3630;
}

.mock-row {
  display: grid;
  gap: 8px;
}

.mock-row-3 {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.mock-row-4 {
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 7px;
}

.tile {
  height: 52px;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  gap: 4px;
  padding: 7px;
}

.tile-sand {
  background: #efe9df;
}

.mock-foot {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 4px;
}

.mock-split {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}

.mock-split-copy {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 6px;
}

.mock-image {
  background: #dfe5e2;
  min-height: 96px;
}

.cell {
  height: 42px;
  border: 1px solid var(--line-soft);
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
}

.glyph {
  width: 12px;
  height: 12px;
  border: 1px solid #c9d2ce;
  display: block;
}

.mock-nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-bottom: 9px;
  border-bottom: 1px solid var(--line-soft);
}

.mock-nav-links {
  display: flex;
  gap: 6px;
}

.mock-gallery {
  gap: 8px;
}

.swatch {
  height: 44px;
}

.swatch-a {
  background: #eae4d8;
}

.swatch-b {
  background: #e2e4dc;
}

.swatch-c {
  background: #e8e0d6;
}

.mock-pager {
  display: flex;
  justify-content: center;
  gap: 5px;
  padding-top: 4px;
}

.mock-banner {
  height: 62px;
  background: #e4e6ea;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 6px;
  padding-inline: 14px;
}

.mock-list {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.mock-list .row {
  height: 20px;
  border: 1px solid var(--line-soft);
  display: block;
}

.mock-footbar {
  height: 26px;
  background: #3b3630;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-inline: 10px;
}

.model-caption {
  display: flex;
  flex-direction: column;
  gap: 7px;
}

.model-title {
  display: flex;
  align-items: baseline;
  gap: 12px;
  font-family: var(--serif);
  font-size: clamp(18px, 2vw, 20px);
  letter-spacing: 0.03em;
}

.num {
  font-family: var(--sans);
  font-size: 11.5px;
  letter-spacing: 0.16em;
  color: var(--accent);
}

.model-body {
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--soft);
  max-width: 420px;
}

/* ---------- servicios ---------- */

.services {
  margin-top: -12px;
}

.service {
  display: grid;
  grid-template-columns: 78px minmax(0, 320px) minmax(0, 1fr);
  gap: 32px;
  align-items: start;
  padding-block: 34px;
  border-bottom: 1px solid var(--line);
}

.service .num {
  color: #b3aca1;
  padding-top: 6px;
}

.service h3 {
  font-size: clamp(19px, 2.2vw, 22px);
  letter-spacing: 0.03em;
  line-height: 1.5;
}

.service-detail {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.service-detail p {
  font-size: 15.5px;
  line-height: 1.85;
  color: var(--muted);
  max-width: 560px;
}

.ticks {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 20px;
}

.ticks li {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13.5px;
  color: var(--dim);
}

.ticks li::before {
  content: "";
  width: 12px;
  height: 12px;
  flex: none;
  background: no-repeat center / 12px 12px
    url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23b3aca1' stroke-width='1.6' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m5 12 5 5L20 7'/%3E%3C/svg%3E");
}

/* ---------- garantías ---------- */

.promises {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.promise {
  background: var(--paper);
  padding: clamp(28px, 3.6vw, 42px) clamp(22px, 2.8vw, 34px);
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.promise-big {
  font-family: var(--serif);
  font-size: clamp(24px, 2.8vw, 30px);
  letter-spacing: 0.02em;
  line-height: 1.4;
}

.promise-label {
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--soft);
}

/* ---------- contacto ---------- */

.contact {
  border-top: 1px solid var(--ink);
  padding-top: clamp(44px, 6vw, 66px);
  display: grid;
  grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
  gap: clamp(36px, 4vw, 30px);
  align-items: start;
}

.contact h2 {
  font-size: clamp(27px, 3.6vw, 42px);
  line-height: 1.5;
  letter-spacing: 0.03em;
  margin-bottom: 26px;
}

.contact-copy p {
  font-size: clamp(15.5px, 1.5vw, 16.5px);
  line-height: 1.9;
  color: var(--muted);
  max-width: 470px;
}

.contact-links {
  display: flex;
  flex-direction: column;
  gap: 26px;
  padding-top: 8px;
}

.contact-item {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.label-small {
  font-size: 11.5px;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--faint);
}

.contact-link {
  font-family: var(--serif);
  font-size: clamp(19px, 2.4vw, 26px);
  letter-spacing: 0.03em;
  border-bottom: 1px solid var(--line);
  padding-bottom: 8px;
  width: fit-content;
  max-width: 100%;
  overflow-wrap: anywhere;
  display: inline-flex;
  align-items: center;
  gap: 14px;
  min-height: 44px;
}

.contact-link-accent {
  border-bottom-color: var(--accent);
}

/* ---------- pie ---------- */

.site-footer {
  border-top: 1px solid var(--line);
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  flex-wrap: wrap;
  padding-block: 26px;
  font-size: 12.5px;
  letter-spacing: 0.08em;
  color: var(--faint);
}

/* ---------- animación de entrada ---------- */

.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.9s cubic-bezier(0.22, 1, 0.36, 1), transform 0.9s cubic-bezier(0.22, 1, 0.36, 1);
}

.reveal.visible {
  opacity: 1;
  transform: none;
}

/* ---------- adaptable ---------- */

@media (max-width: 980px) {
  .hero-grid {
    grid-template-columns: minmax(0, 1fr);
  }

  .hero-aside {
    display: none;
  }

  .service {
    grid-template-columns: 48px minmax(0, 1fr);
    gap: 14px 20px;
  }

  .service-detail {
    grid-column: 2;
  }

  .contact {
    grid-template-columns: minmax(0, 1fr);
    gap: 40px;
  }
}

@media (max-width: 860px) {
  .nav-toggle {
    display: flex;
  }

  .nav-links {
    position: absolute;
    left: 0;
    right: 0;
    top: 100%;
    flex-direction: column;
    align-items: flex-start;
    gap: 0;
    background: var(--paper);
    border-bottom: 1px solid var(--line);
    padding: 8px var(--pad-x) 20px;
    display: none;
  }

  .nav-links.open {
    display: flex;
  }

  .nav-links li {
    width: 100%;
    border-top: 1px solid var(--line-soft);
  }

  .nav-links a {
    display: block;
    width: 100%;
    padding-block: 14px;
    min-height: 44px;
  }

  .nav-links .nav-contact {
    border-bottom: none;
    color: var(--accent);
  }
}

@media (max-width: 760px) {
  .models-grid {
    grid-template-columns: minmax(0, 1fr);
  }

  .promises {
    grid-template-columns: minmax(0, 1fr);
  }
}

@media (max-width: 520px) {
  .mock-row-4 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .band-figure figcaption .index {
    display: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }
}