/* ==========================================================================
   Niall & Javi — Santiago de Compostela, 1 agosto 2026
   Design system: "Credencial del Peregrino" (pilgrim's passport)
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Fraunces:ital,opsz,wght@0,9..144,400;0,9..144,500;0,9..144,600;1,9..144,500&family=Inter:wght@400;500;600&family=JetBrains+Mono:wght@400;500&display=swap');

:root {
  /* Color tokens */
  --stone-dark: #262e27;      /* granite/moss — primary background */
  --stone-mid: #37413a;       /* lifted panels on dark */
  --parchment: #f2ead4;       /* passport page cream */
  --parchment-dim: #e7dcc0;
  --gold: #c9a15c;            /* scallop gold — primary accent */
  --gold-bright: #dab876;
  --moss: #6f7f5e;            /* secondary accent */
  --rust: #a34a31;            /* wax-seal red — CTA / highlight only */
  --ink: #262e27;             /* dark text on light */
  --cream-text: #f2ead4;      /* light text on dark */
  --line: rgba(242, 234, 212, 0.16);
  --line-dark: rgba(38, 46, 39, 0.14);

  --font-display: 'Fraunces', serif;
  --font-body: 'Inter', sans-serif;
  --font-mono: 'JetBrains Mono', monospace;

  --radius: 4px;
  --max-width: 1080px;
}

* { box-sizing: border-box; -webkit-tap-highlight-color: transparent; }

button, a, .photo-tile, .filter-pill { touch-action: manipulation; }

html { scroll-behavior: smooth; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
}

body {
  margin: 0;
  background: var(--stone-dark);
  color: var(--cream-text);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* Faint scallop-fan watermark, used sparingly */
.shell-mark {
  position: absolute;
  pointer-events: none;
  opacity: 0.06;
  z-index: 0;
}

a { color: inherit; }

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

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 500;
  margin: 0 0 0.4em;
  letter-spacing: 0.005em;
}

h1 { font-size: clamp(2.4rem, 5vw, 4.2rem); font-weight: 600; }
h2 { font-size: clamp(1.7rem, 3vw, 2.4rem); }
h3 { font-size: clamp(1.2rem, 2vw, 1.5rem); }

p { margin: 0 0 1em; }

.eyebrow {
  font-family: var(--font-mono);
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-size: 0.72rem;
  color: var(--gold);
}

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
  position: relative;
  z-index: 1;
}

/* ---------- Top nav ---------- */
.topnav {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(38, 46, 39, 0.92);
  backdrop-filter: blur(6px);
  border-bottom: 1px solid var(--line);
}

.topnav-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 14px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.brand {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 600;
  text-decoration: none;
  color: var(--parchment);
  display: flex;
  align-items: center;
  gap: 10px;
}

.brand .stamp-icon { width: 30px; height: 30px; flex-shrink: 0; }

.nav-links {
  display: flex;
  gap: 4px;
  align-items: center;
  flex-wrap: wrap;
}

.nav-links a {
  text-decoration: none;
  font-size: 0.86rem;
  font-family: var(--font-mono);
  letter-spacing: 0.03em;
  color: var(--cream-text);
  opacity: 0.72;
  padding: 8px 12px;
  border-radius: var(--radius);
  transition: opacity 0.2s, background 0.2s;
  white-space: nowrap;
}

.nav-links a:hover { opacity: 1; background: rgba(242,234,212,0.06); }
.nav-links a.active { opacity: 1; color: var(--gold); }

.lang-toggle {
  display: flex;
  border: 1px solid var(--line);
  border-radius: 20px;
  overflow: hidden;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  flex-shrink: 0;
}

/* Hamburger button — hidden on desktop, shown only on mobile */
.nav-toggle {
  display: none;
  background: transparent;
  border: none;
  color: var(--parchment);
  cursor: pointer;
  padding: 8px;
  order: 3;
}

.nav-toggle svg { width: 24px; height: 24px; display: block; }
.nav-toggle .icon-close { display: none; }
.nav-toggle.open .icon-menu { display: none; }
.nav-toggle.open .icon-close { display: block; }

.lang-toggle button {
  background: transparent;
  border: none;
  color: var(--cream-text);
  padding: 6px 12px;
  cursor: pointer;
  opacity: 0.55;
  font-family: var(--font-mono);
  letter-spacing: 0.05em;
  transition: all 0.2s;
}

.lang-toggle button.active {
  background: var(--gold);
  color: var(--stone-dark);
  opacity: 1;
  font-weight: 500;
}

/* ---------- Hero ---------- */
.hero {
  position: relative;
  padding: 90px 24px 70px;
  text-align: center;
  overflow: hidden;
  border-bottom: 1px solid var(--line);
}

.hero .eyebrow { display: block; margin-bottom: 18px; }

.hero h1 { margin-bottom: 10px; }

.hero .names-sep {
  color: var(--gold);
  font-style: italic;
  font-family: var(--font-display);
  padding: 0 0.25em;
}

.hero-sub {
  font-family: var(--font-mono);
  font-size: 0.95rem;
  color: var(--parchment-dim);
  letter-spacing: 0.03em;
  max-width: 480px;
  margin: 0 auto;
}

/* ---------- Stamp badge (signature element) ---------- */
.stamp {
  --stamp-color: var(--gold);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 84px;
  height: 84px;
  border-radius: 50%;
  border: 2px solid var(--stamp-color);
  position: relative;
  transform: rotate(-6deg);
  flex-shrink: 0;
}

.stamp::before {
  content: '';
  position: absolute;
  inset: 6px;
  border: 1px dashed var(--stamp-color);
  border-radius: 50%;
  opacity: 0.6;
}

.stamp svg { width: 34px; height: 34px; stroke: var(--stamp-color); fill: none; }

.stamp.stamp-locked {
  --stamp-color: rgba(242, 234, 212, 0.28);
  filter: grayscale(1);
}

.stamp.stamp-earned {
  --stamp-color: var(--gold-bright);
  animation: stamp-in 0.4s ease-out;
}

@keyframes stamp-in {
  from { transform: rotate(-6deg) scale(0.6); opacity: 0; }
  to { transform: rotate(-6deg) scale(1); opacity: 1; }
}

/* ---------- Section wrapper ---------- */
.section {
  padding: 64px 24px;
}

.section-head {
  max-width: 640px;
  margin: 0 auto 40px;
  text-align: center;
}

.section-head p { color: var(--parchment-dim); }

/* ---------- Cards on parchment ---------- */
.card {
  background: var(--parchment);
  color: var(--ink);
  border-radius: var(--radius);
  padding: 26px;
  border: 1px solid var(--line-dark);
  position: relative;
}

.card h3 { color: var(--ink); }
.card p { color: #4b4536; }

.grid {
  display: grid;
  gap: 22px;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  letter-spacing: 0.04em;
  text-decoration: none;
  padding: 11px 20px;
  border-radius: 30px;
  border: 1px solid var(--gold);
  color: var(--gold);
  background: transparent;
  cursor: pointer;
  transition: all 0.2s;
}

.btn:hover { background: var(--gold); color: var(--stone-dark); }

.btn-solid {
  background: var(--rust);
  border-color: var(--rust);
  color: var(--parchment);
}

.btn-solid:hover { background: #8c3d28; border-color: #8c3d28; color: var(--parchment); }

.btn:disabled { opacity: 0.4; cursor: not-allowed; }
.btn:disabled:hover { background: transparent; color: var(--gold); }

/* ---------- Homepage nav cards ---------- */
.section-nav-grid {
  display: grid;
  gap: 20px;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px 90px;
}

.section-nav-card {
  text-decoration: none;
  background: var(--stone-mid);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 28px 24px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  transition: transform 0.25s, border-color 0.25s;
}

.section-nav-card:hover { transform: translateY(-4px); border-color: var(--gold); }

.section-nav-card .stamp { width: 56px; height: 56px; }
.section-nav-card .stamp svg { width: 24px; height: 24px; }

.section-nav-card h3 { color: var(--parchment); margin-bottom: 4px; }
.section-nav-card p { color: var(--parchment-dim); font-size: 0.92rem; margin: 0; }

/* ---------- Footer ---------- */
.site-footer {
  border-top: 1px solid var(--line);
  padding: 34px 24px 50px;
  text-align: center;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--parchment-dim);
  opacity: 0.6;
}

/* ---------- Utility ---------- */
.tag {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  padding: 3px 9px;
  border-radius: 12px;
  border: 1px solid currentColor;
  margin: 0 6px 6px 0;
}

.tag svg, .btn svg, .pill-icon svg {
  width: 14px;
  height: 14px;
  vertical-align: -2px;
  flex-shrink: 0;
}

.icon-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.filter-pill {
  display: inline-flex;
  align-items: center;
  gap: 7px;
}

.pill-icon {
  display: inline-flex;
  width: 14px;
  height: 14px;
}

/* ---------- Paris-Dakar route ---------- */
.pd-route {
  display: flex;
  flex-direction: column;
  gap: 4px;
  max-width: 480px;
  margin: 0 auto;
  position: relative;
}

.pd-route::before {
  content: '';
  position: absolute;
  left: 41px;
  top: 12px;
  bottom: 12px;
  width: 1px;
  background: var(--line);
  z-index: 0;
}

.pd-stop {
  display: flex;
  align-items: center;
  gap: 18px;
  background: transparent;
  border: none;
  color: inherit;
  font-family: var(--font-body);
  text-align: left;
  cursor: pointer;
  padding: 10px 4px;
  border-radius: var(--radius);
  position: relative;
  z-index: 1;
  transition: background 0.2s;
}

.pd-stop:hover { background: rgba(242,234,212,0.05); }

.pd-stop .stamp { width: 60px; height: 60px; flex-shrink: 0; }
.pd-stop .stamp svg { width: 24px; height: 24px; }

.pd-stop-info { display: flex; flex-direction: column; gap: 2px; }
.pd-stop-name { font-family: var(--font-display); font-size: 1.05rem; }

#pd-complete-banner {
  display: none;
  text-align: center;
  max-width: 480px;
  margin: 32px auto 0;
}

.divider {
  width: 60px;
  height: 1px;
  background: var(--gold);
  margin: 24px auto;
  opacity: 0.5;
}

/* i18n visibility handled via JS toggling [data-lang] on <html> and CSS attr selectors */
[data-i18n-lang="en"] { display: none; }
html[lang="en"] [data-i18n-lang="en"] { display: initial; }
html[lang="en"] [data-i18n-lang="es"] { display: none; }
html[lang="es"] [data-i18n-lang="es"] { display: initial; }
html[lang="es"] [data-i18n-lang="en"] { display: none; }

/* ---------- Photo Explorer grid ---------- */
.photo-tile {
  background: var(--stone-mid);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 22px 16px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  cursor: pointer;
  color: inherit;
  font-family: var(--font-body);
  transition: border-color 0.2s, transform 0.2s;
  text-align: center;
}

.photo-tile:hover { border-color: var(--gold); transform: translateY(-3px); }

.photo-tile-title { font-family: var(--font-display); font-size: 1rem; }
.photo-tile-hint { font-family: var(--font-mono); font-size: 0.7rem; color: var(--parchment-dim); opacity: 0.7; text-transform: uppercase; letter-spacing: 0.05em; }

.photo-tile-thumb-wrap {
  position: relative;
  width: 100%;
  display: block;
  margin-bottom: 8px;
}

.stamp-mini {
  width: 34px;
  height: 34px;
  position: absolute;
  top: -8px;
  right: -8px;
  background: var(--stone-mid);
}

.stamp-mini svg { width: 15px; height: 15px; }

.progress-bar-row {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--gold);
  margin-bottom: 36px;
}

/* ---------- Modal ---------- */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(20, 24, 20, 0.82);
  display: none;
  align-items: flex-start;
  justify-content: center;
  padding: 40px 20px;
  overflow-y: auto;
  z-index: 100;
}

.modal-overlay.open { display: flex; }

.modal-box {
  background: var(--stone-dark);
  border: 1px solid var(--line);
  border-radius: 6px;
  max-width: 520px;
  width: 100%;
  padding: 32px;
  position: relative;
  margin: auto;
}

.modal-close {
  position: absolute;
  top: 16px;
  right: 16px;
  background: transparent;
  border: none;
  color: var(--parchment-dim);
  font-size: 1.4rem;
  cursor: pointer;
  line-height: 1;
  padding: 6px;
}

.clue-block { margin-bottom: 14px; }
.clue-block summary { list-style: none; }
.clue-block summary::-webkit-details-marker { display: none; }
.clue-block[open] summary { margin-bottom: 4px; }

/* ---------- Filter pills (Salir) ---------- */
.filter-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: center;
  margin-bottom: 16px;
}

.filter-pill {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.03em;
  padding: 8px 16px;
  border-radius: 20px;
  border: 1px solid var(--line);
  background: transparent;
  color: var(--parchment-dim);
  cursor: pointer;
  transition: all 0.2s;
}

.filter-pill:hover { border-color: var(--gold); color: var(--parchment); }

.filter-pill.active {
  background: var(--gold);
  border-color: var(--gold);
  color: var(--stone-dark);
}

.filter-group-label {
  text-align: center;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--parchment-dim);
  opacity: 0.6;
  margin: 22px 0 10px;
}

@media (max-width: 640px) {
  .topnav-inner { flex-wrap: wrap; padding: 12px 16px; }

  .nav-toggle { display: block; }

  .nav-links {
    display: none;
    order: 4;
    width: 100%;
    flex-direction: column;
    align-items: stretch;
    background: var(--stone-dark);
    border-top: 1px solid var(--line);
    margin-top: 12px;
    padding-top: 6px;
    max-height: 65vh;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
  }

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

  .nav-links a {
    padding: 15px 8px;
    border-bottom: 1px solid var(--line);
    font-size: 0.92rem;
    opacity: 0.85;
  }

  .nav-links a:last-child { border-bottom: none; }
  .nav-links a:hover { background: rgba(242,234,212,0.05); }
  .nav-links a.active { opacity: 1; }

  .hero { padding: 56px 18px 44px; }
  .section { padding: 48px 18px; }
  .container { padding: 0 18px; }

  /* Bigger touch targets (~44px min height) on phones */
  .lang-toggle button { padding: 10px 14px; }
  .btn { padding: 13px 20px; }
  .filter-pill { padding: 11px 16px; }
  .filter-row { gap: 8px; }

  .modal-overlay { padding: 0; align-items: stretch; }
  .modal-box {
    max-width: none;
    width: 100%;
    min-height: 100%;
    border-radius: 0;
    padding: 24px 18px 40px;
  }
  .modal-close { top: 14px; right: 14px; padding: 10px; font-size: 1.6rem; }

  .photo-tile { padding: 18px 12px; }
  .section-nav-grid { padding: 0 18px 70px; }
}

@media (max-width: 380px) {
  .photo-tile { padding: 14px 8px; }
  #photo-grid { grid-template-columns: repeat(2, 1fr) !important; }
}