/* =========================================================================
   P&A — pya.es
   Single stylesheet. No JS. No external resources. No tracking.
   ========================================================================= */

:root {
  /* Color tokens — paleta original tema "teal" del sitio histórico */
  --color-bg:        #f7f7f5;
  --color-surface:   #ffffff;
  --color-ink:       #161616;
  --color-ink-soft:  #4d4d4d;
  --color-rule:      #e0e0e0;
  --color-accent:    #008899;
  --color-accent-hi: #006a78;

  /* Typography stacks (system fonts only — zero external requests) */
  --font-serif: Georgia, 'Iowan Old Style', 'Apple Garamond', 'Palatino', 'Times New Roman', serif;
  --font-sans:  -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;

  /* Type scale (fluid) */
  --fs-eyebrow: 0.8125rem;
  --fs-body:    1.0625rem;
  --fs-lede:    clamp(1.125rem, 0.95rem + 0.6vw, 1.375rem);
  --fs-h3:      1.25rem;
  --fs-h2:      clamp(1.75rem, 1.2rem + 2.2vw, 2.75rem);
  --fs-h1:      clamp(2.75rem, 1.5rem + 5.2vw, 5rem);
  --fs-mega:    clamp(7rem, 4rem + 18vw, 18rem);

  /* Spacing */
  --space-1: 0.5rem;
  --space-2: 1rem;
  --space-3: 1.5rem;
  --space-4: 2.5rem;
  --space-5: 4rem;
  --space-6: clamp(4rem, 6vw + 2rem, 8rem);

  /* Layout */
  --container-max: 72rem;
  --container-pad: clamp(1.25rem, 4vw, 3rem);
  --rule: 1px solid var(--color-rule);
}

/* =========================================================================
   Reset (minimal)
   ========================================================================= */

*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; }

html {
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
  scroll-behavior: smooth;
}

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

body {
  font-family: var(--font-sans);
  font-size: var(--fs-body);
  line-height: 1.6;
  color: var(--color-ink);
  background: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

img, svg { display: block; max-width: 100%; height: auto; }
a { color: var(--color-accent); text-underline-offset: 0.18em; }
a:hover { color: var(--color-accent-hi); }
a:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 3px;
  border-radius: 2px;
}

ul, ol { padding: 0; list-style: none; }

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

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

/* =========================================================================
   Layout primitives
   ========================================================================= */

.container {
  width: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--container-pad);
}

.eyebrow {
  font-size: var(--fs-eyebrow);
  font-family: var(--font-sans);
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: var(--space-3);
}

.section-head { margin-bottom: var(--space-5); }
.section-head__title { font-size: var(--fs-h2); }

/* =========================================================================
   Skip link (a11y)
   ========================================================================= */

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--color-ink);
  color: #fff;
  padding: 0.75rem 1rem;
  z-index: 100;
  text-decoration: none;
}
.skip-link:focus {
  left: 1rem;
  top: 1rem;
  outline: 2px solid var(--color-bg);
}

/* =========================================================================
   Header
   ========================================================================= */

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: color-mix(in srgb, var(--color-bg) 92%, transparent);
  backdrop-filter: saturate(140%) blur(8px);
  border-bottom: var(--rule);
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  min-height: 4.5rem;
  padding-block: var(--space-2);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.85rem;
  text-decoration: none;
  color: var(--color-ink);
}
.brand__logo {
  display: block;
  width: 86px;
  height: 55px;
  flex: 0 0 auto;
  background-color: var(--color-accent);
  -webkit-mask: url(/assets/logo.png) center/contain no-repeat;
          mask: url(/assets/logo.png) center/contain no-repeat;
  transition: background-color 200ms ease;
}
.brand:hover .brand__logo { background-color: var(--color-accent-hi); }

.brand__sub {
  font-size: 0.74rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-ink-soft);
  font-weight: 500;
  border-left: 1px solid var(--color-rule);
  padding-left: 0.85rem;
  line-height: 1.3;
}

.site-nav {
  display: flex;
  flex-wrap: wrap;
  gap: clamp(0.75rem, 2vw, 1.75rem);
  font-size: 0.95rem;
}
.site-nav a {
  color: var(--color-ink);
  text-decoration: none;
  padding: 0.5rem 0;
  position: relative;
}
.site-nav a:hover { color: var(--color-accent); }
.site-nav a::after {
  content: "";
  position: absolute;
  left: 0; right: 100%;
  bottom: 0.25rem;
  height: 1px;
  background: var(--color-accent);
  transition: right 200ms ease;
}
.site-nav a:hover::after { right: 0; }

@media (max-width: 640px) {
  .brand__sub { display: none; }
  .brand__logo { width: 70px; height: 44px; }
  .site-nav { gap: 0.85rem; font-size: 0.875rem; }
}

/* =========================================================================
   Hero
   ========================================================================= */

.hero {
  padding-block: clamp(4rem, 6vw + 2rem, 9rem) var(--space-6);
  border-bottom: var(--rule);
}

.hero__title {
  font-size: var(--fs-h1);
  margin-block: var(--space-3) var(--space-4);
  max-width: 18ch;
}
.hero__title span { display: block; }
.hero__title-year {
  color: var(--color-accent);
  font-style: italic;
}

.hero__lede {
  font-size: var(--fs-lede);
  color: var(--color-ink-soft);
  max-width: 56ch;
  margin-bottom: var(--space-5);
}

.hero__cta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  align-items: center;
}

/* =========================================================================
   Buttons
   ========================================================================= */

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  min-height: 3rem;
  padding: 0.85rem 1.4rem;
  font-size: 1rem;
  font-weight: 500;
  text-decoration: none;
  border: 1px solid transparent;
  transition: background 180ms ease, color 180ms ease, border-color 180ms ease, transform 180ms ease;
}
.btn:active { transform: translateY(1px); }

.btn--primary {
  background: var(--color-accent);
  color: #fff;
  border-color: var(--color-accent);
}
.btn--primary:hover { background: var(--color-accent-hi); border-color: var(--color-accent-hi); color: #fff; }

.btn--ghost {
  background: transparent;
  color: var(--color-ink);
  border-color: var(--color-ink);
}
.btn--ghost:hover { background: var(--color-ink); color: var(--color-bg); }

/* =========================================================================
   Services
   ========================================================================= */

.services { padding-block: var(--space-6); border-bottom: var(--rule); }

.service-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
  padding: 0;
}

.service-grid > li {
  list-style: none;
  padding: var(--space-4) 0;
  border-top: var(--rule);
}
.service-grid > li:first-child { border-top: 0; }

@media (min-width: 720px) {
  .service-grid { grid-template-columns: 1fr 1fr; }
  .service-grid > li:nth-child(2) { border-top: 0; }
  .service-grid > li:nth-child(odd) {
    padding-right: var(--space-4);
    border-right: var(--rule);
  }
  .service-grid > li:nth-child(even) { padding-left: var(--space-4); }
}

.service {
  display: grid;
  grid-template-columns: auto 1fr;
  column-gap: var(--space-3);
  row-gap: 0.5rem;
  align-items: baseline;
  text-decoration: none;
  color: var(--color-ink);
  transition: transform 220ms ease;
}
.service:hover { color: var(--color-ink); }
.service:hover .service__title { color: var(--color-accent); }
.service:hover .service__more { transform: translateX(4px); color: var(--color-accent-hi); }

.service__num {
  font-family: var(--font-serif);
  font-size: 2.25rem;
  font-weight: 400;
  color: var(--color-accent);
  font-feature-settings: "tnum";
  grid-row: 1 / span 3;
}

.service__title {
  font-size: var(--fs-h3);
  font-weight: 500;
  letter-spacing: -0.005em;
  transition: color 200ms ease;
}

.service__body {
  color: var(--color-ink-soft);
  max-width: 42ch;
  grid-column: 2;
}

.service__more {
  grid-column: 2;
  font-family: var(--font-sans);
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-top: 0.6rem;
  display: inline-block;
  transition: transform 220ms ease, color 200ms ease;
}

/* =========================================================================
   Why P&A
   ========================================================================= */

.why { padding-block: var(--space-6); border-bottom: var(--rule); position: relative; overflow: hidden; }

.why__inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-4);
  align-items: center;
}
@media (min-width: 880px) {
  .why__inner {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.1fr);
    gap: var(--space-6);
  }
}

.why__year {
  font-family: var(--font-serif);
  font-weight: 400;
  font-size: var(--fs-mega);
  line-height: 0.86;
  color: var(--color-accent);
  letter-spacing: -0.04em;
  font-feature-settings: "lnum";
  user-select: none;
}

.why__list {
  display: grid;
  gap: var(--space-3);
  margin-top: var(--space-3);
}
.why__list li {
  padding-top: var(--space-3);
  border-top: var(--rule);
  color: var(--color-ink-soft);
  max-width: 52ch;
}
.why__list li strong {
  display: block;
  color: var(--color-ink);
  font-family: var(--font-serif);
  font-weight: 500;
  font-size: 1.25rem;
  margin-bottom: 0.4rem;
  letter-spacing: -0.005em;
}

/* =========================================================================
   Contact
   ========================================================================= */

.contact { padding-block: var(--space-6); }

.contact-grid {
  display: grid;
  gap: 0;
  grid-template-columns: 1fr;
}
@media (min-width: 720px) {
  .contact-grid { grid-template-columns: repeat(3, 1fr); }
  .contact-grid--two { grid-template-columns: repeat(2, 1fr); }
}

.contact-card {
  padding: var(--space-4) 0;
  border-top: var(--rule);
}
@media (min-width: 720px) {
  .contact-card {
    border-top: 0;
    padding: var(--space-3) var(--space-3);
    border-left: var(--rule);
  }
  .contact-card:first-child { border-left: 0; padding-left: 0; }
  .contact-card:last-child { padding-right: 0; }
}

.contact-card__title {
  font-family: var(--font-sans);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--color-ink-soft);
  margin-bottom: var(--space-2);
}
.contact-card p,
.contact-card address {
  font-family: var(--font-serif);
  font-size: 1.375rem;
  font-style: normal;
  line-height: 1.4;
  color: var(--color-ink);
  margin-bottom: 0.75rem;
}
.contact-card a { text-decoration: none; }
.contact-card a:hover { text-decoration: underline; }
.contact-card__hint {
  font-family: var(--font-sans) !important;
  font-size: 0.875rem !important;
  color: var(--color-ink-soft) !important;
  margin-bottom: 0 !important;
}
.contact-card__text {
  font-family: var(--font-sans) !important;
  font-size: 1rem !important;
  line-height: 1.6 !important;
  color: var(--color-ink-soft) !important;
  max-width: 38ch;
}

/* =========================================================================
   Footer
   ========================================================================= */

.site-footer {
  background: var(--color-ink);
  color: #d8d4c8;
  padding-block: var(--space-5);
  font-size: 0.9rem;
}

.site-footer__inner {
  display: grid;
  gap: var(--space-3);
  grid-template-columns: 1fr;
  align-items: center;
}
@media (min-width: 720px) {
  .site-footer__inner {
    grid-template-columns: 1fr auto auto;
    gap: var(--space-4);
  }
}

.site-footer__brand {
  font-family: var(--font-serif);
  font-size: 1.125rem;
  color: #fff;
}
.site-footer__legal { color: #a8a298; font-size: 0.85rem; margin-top: 0.25rem; }

.site-footer__nav { display: flex; gap: var(--space-3); }
.site-footer__nav a {
  color: #d8d4c8;
  text-decoration: none;
  border-bottom: 1px solid transparent;
  padding-bottom: 2px;
}
.site-footer__nav a:hover { color: #fff; border-bottom-color: var(--color-accent); }

.site-footer__copy {
  color: #8c867d;
  font-size: 0.8rem;
}
@media (min-width: 720px) {
  .site-footer__copy { grid-column: 1 / -1; padding-top: var(--space-3); border-top: 1px solid #2a2a2a; }
}

/* =========================================================================
   Internal pages (legal)
   ========================================================================= */

.doc {
  padding-block: var(--space-6) var(--space-5);
  border-bottom: var(--rule);
}
.doc__title {
  font-size: var(--fs-h2);
  margin-bottom: var(--space-2);
  max-width: 22ch;
}
.doc__lede {
  font-size: var(--fs-lede);
  color: var(--color-ink-soft);
  max-width: 60ch;
  margin-bottom: var(--space-4);
}
.doc h2 {
  font-size: 1.5rem;
  margin-top: var(--space-4);
  margin-bottom: var(--space-2);
  max-width: 32ch;
}
.doc p, .doc li {
  max-width: 64ch;
  color: var(--color-ink);
}
.doc p + p { margin-top: var(--space-2); }
.doc ul {
  display: grid;
  gap: 0.5rem;
  padding-left: 1.25rem;
  list-style: disc;
}
.doc dl { margin-top: var(--space-2); }
.doc dt { font-weight: 600; margin-top: var(--space-2); }
.doc dd { margin-left: 0; color: var(--color-ink-soft); }

/* =========================================================================
   Service page (subpáginas)
   ========================================================================= */

.service-page {
  padding-block: var(--space-5) var(--space-6);
}

.breadcrumb {
  font-size: 0.85rem;
  font-family: var(--font-sans);
  color: var(--color-ink-soft);
  margin-bottom: var(--space-5);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem;
}
.breadcrumb a {
  color: var(--color-ink-soft);
  text-decoration: none;
  border-bottom: 1px dashed transparent;
  padding-bottom: 1px;
  transition: color 180ms ease, border-color 180ms ease;
}
.breadcrumb a:hover {
  color: var(--color-accent);
  border-bottom-color: var(--color-accent);
}
.breadcrumb [aria-current="page"] {
  color: var(--color-ink);
  font-weight: 500;
}

.service-page__title {
  font-size: clamp(2.25rem, 1.4rem + 3.4vw, 4rem);
  margin-bottom: var(--space-4);
  max-width: 22ch;
  letter-spacing: -0.015em;
}

.service-page__lede {
  font-size: var(--fs-lede);
  line-height: 1.55;
  color: var(--color-ink);
  max-width: 64ch;
  margin-bottom: var(--space-3);
  font-family: var(--font-serif);
  font-weight: 400;
}

.service-page p {
  max-width: 64ch;
  color: var(--color-ink-soft);
}
.service-page p + p { margin-top: var(--space-3); }

/* FAQ block */
.faq {
  margin-top: var(--space-6);
  padding-top: var(--space-5);
  border-top: var(--rule);
}
.faq__title {
  font-family: var(--font-serif);
  font-weight: 500;
  font-size: clamp(1.5rem, 1rem + 1.4vw, 2rem);
  margin-bottom: var(--space-4);
  max-width: 32ch;
  letter-spacing: -0.01em;
}
.faq__list {
  display: grid;
  gap: var(--space-2);
  margin-bottom: var(--space-3);
  max-width: 64ch;
}
.faq__list li {
  padding: var(--space-2) 0 var(--space-2) var(--space-3);
  border-left: 2px solid var(--color-accent);
  font-family: var(--font-serif);
  font-size: 1.125rem;
  line-height: 1.5;
  color: var(--color-ink);
  font-style: italic;
}
.faq__hint {
  color: var(--color-ink-soft);
  font-size: 0.95rem;
  margin-top: var(--space-3);
}

/* Service pager (anterior / siguiente) */
.service-pager {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-2);
  margin-top: var(--space-6);
  padding-top: var(--space-4);
  border-top: var(--rule);
}
.service-pager a {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
  padding: var(--space-3);
  text-decoration: none;
  border: 1px solid var(--color-rule);
  background: var(--color-surface);
  transition: border-color 200ms ease, background 200ms ease, transform 200ms ease;
}
.service-pager a:hover {
  border-color: var(--color-accent);
  transform: translateY(-2px);
}
.service-pager__label {
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--color-ink-soft);
}
.service-pager__name {
  font-family: var(--font-serif);
  font-size: 1.125rem;
  color: var(--color-ink);
  letter-spacing: -0.005em;
}
.service-pager__next { text-align: right; }

@media (max-width: 640px) {
  .service-pager { grid-template-columns: 1fr; }
  .service-pager__next { text-align: left; }
}

/* Print */
@media print {
  .site-header, .site-footer__nav, .skip-link, .hero__cta,
  .service-pager, .service__more { display: none; }
  body { background: #fff; color: #000; }
  a { color: #000; text-decoration: underline; }
}