/* Sistema de diseno Kilker Etxea */

/* ── Custom Properties ── */
:root {
  /* Gris Carbon */
  --carbon-50:  #E8ECEB;
  --carbon-100: #D1D9D7;
  --carbon-200: #A3B0AB;
  --carbon-300: #8A9C96;
  --carbon-400: #6E7F79;
  --carbon-500: #5E716B;
  --carbon-600: #4E635D;
  --carbon-700: #3A4A45;
  --carbon-800: #2A3734;
  --carbon-900: #1A2522;

  /* Cian */
  --cyan-50:  #E6F9F8;
  --cyan-100: #C0F0ED;
  --cyan-200: #9AE5E0;
  --cyan-300: #76DAD4;
  --cyan-400: #53CFC7;
  --cyan-500: #40B9B1;
  --cyan-600: #2FA39C;
  --cyan-700: #1F7E78;
  --cyan-800: #155E59;
  --cyan-900: #0F3D3A;

  /* Verde Lima */
  --lime-50:  #F0FCE5;
  --lime-100: #E2FACE;
  --lime-200: #D4F9B8;
  --lime-300: #C6F7A2;
  --lime-400: #B9F58C;
  --lime-500: #9CDA6F;
  --lime-600: #7EBF53;
  --lime-700: #5A8C3A;
  --lime-800: #436B28;
  --lime-900: #2D4A17;

  /* Lavanda */
  --lavender-50:  #EDEEF4;
  --lavender-100: #D5D8E5;
  --lavender-200: #BCC3D6;
  --lavender-300: #A3ABC6;
  --lavender-400: #8994B6;
  --lavender-500: #747FA1;
  --lavender-600: #5F6A8C;
  --lavender-700: #4A5370;
  --lavender-800: #383F55;
  --lavender-900: #262B3B;

  /* Semanticos */
  --bg-primary:     #EFF2EE;
  --bg-alt:         #DDE3DE;
  --text-primary:   var(--carbon-900);
  --text-secondary: var(--carbon-600);
  --text-tertiary:  var(--carbon-200);
  --accent:         var(--cyan-400);

  /* Spacing */
  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 24px;
  --space-6: 32px;
  --space-7: 48px;
  --space-8: 64px;
  --space-9: 96px;

  /* Tipografia */
  --font-display: 'Bebas Neue', sans-serif;
  --font-body:    'Oswald', sans-serif;

  --text-xs:  12px;
  --text-sm:  14px;
  --text-base: 16px;
  --text-lg:  18px;
  --text-xl:  24px;
  --text-2xl: 36px;
  --text-3xl: 48px;
  --text-5xl: 72px;
}

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

body {
  margin: 0;
  font-family: var(--font-body);
  font-weight: 400;
  font-size: var(--text-base);
  line-height: 1.6;
  color: var(--text-primary);
  background-color: var(--bg-primary);
}

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

/* ── Utilidades de texto ── */
.text-primary   { color: var(--text-primary); }
.text-secondary { color: var(--text-secondary); }
.text-tertiary  { color: var(--text-tertiary); }

.section-title {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  text-transform: uppercase;
  letter-spacing: 0.02em;
  line-height: 1.1;
  color: var(--text-primary);
  padding-bottom: var(--space-3);
  border-bottom: 3px solid var(--accent);
  display: inline-block;
  margin-bottom: var(--space-6);
}

/* ── Layout ── */
.container {
  max-width: 960px;
  margin: 0 auto;
  padding: 0 var(--space-5);
}

.text-container {
  max-width: 480px;
}

/* ── Header ── */
.site-header {
  background-color: var(--carbon-600);
  padding: var(--space-4) 0;
  position: sticky;
  top: 0;
  z-index: 100;
  border-top: 3px solid var(--lime-400);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
}

.header-brand {
  display: flex;
  align-items: baseline;
  gap: var(--space-3);
}

.header-logo {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  color: var(--lime-400);
  text-decoration: none;
  line-height: 1;
  letter-spacing: 0.02em;
}

.header-subtitle {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 400;
  color: var(--cyan-400);
  display: none;
}

/* Header actions (lang + hamburger) */
.header-actions {
  display: flex;
  align-items: center;
  gap: var(--space-4);
}

/* Hamburger */
.menu-toggle {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--space-2);
}

.menu-toggle-bar {
  display: block;
  width: 24px;
  height: 2px;
  background-color: var(--bg-primary);
  border-radius: 1px;
  transition: transform 0.3s, opacity 0.3s;
}

/* Nav — hidden on mobile */
.header-nav {
  display: none;
  width: 100%;
  padding-top: var(--space-4);
}

.header-nav.is-open {
  display: block;
}

.nav-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.nav-link {
  display: block;
  padding: var(--space-2) 0;
  font-family: var(--font-body);
  font-weight: 500;
  font-size: var(--text-base);
  color: var(--bg-primary);
  text-decoration: none;
  border-bottom: 2px solid transparent;
  transition: color 0.2s, border-color 0.2s;
}

.nav-link:hover {
  color: var(--cyan-400);
}

/* Language switcher */
.lang-switch {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.lang-link {
  font-family: var(--font-body);
  font-weight: 500;
  font-size: var(--text-sm);
  color: var(--carbon-50);
  text-decoration: none;
  transition: color 0.2s;
}

.lang-link:hover,
.lang-active {
  color: var(--bg-primary);
}

.lang-sep {
  color: var(--carbon-400);
  font-size: var(--text-sm);
}

/* ── Hero ── */
.hero {
  position: relative;
  min-height: 70vh;
  display: flex;
  align-items: center;
  background-color: var(--carbon-600);
  background-size: cover;
  background-position: center;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background-color: rgba(26, 37, 34, 0.6);
}

.hero-content {
  position: relative;
  z-index: 1;
  padding-top: var(--space-9);
  padding-bottom: var(--space-9);
  max-width: 640px;
}

.hero-claim {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  line-height: 1.1;
  letter-spacing: 0.02em;
  color: var(--bg-primary);
  margin: 0 0 var(--space-4) 0;
}

.hero-location {
  font-family: var(--font-body);
  font-weight: 400;
  font-size: var(--text-lg);
  color: var(--cyan-400);
  margin: 0;
}

/* ── Sections ── */
.section {
  padding: var(--space-9) 0;
}

.section--light {
  background-color: var(--bg-primary);
}

.section--alt {
  background-color: var(--bg-alt);
  position: relative;
  overflow: hidden;
}

.section--alt::after {
  content: '';
  position: absolute;
  width: 600px;
  height: 600px;
  border-radius: 50%;
  background-color: rgba(230, 249, 248, 0.3);
  right: -200px;
  top: 50%;
  transform: translateY(-50%);
  pointer-events: none;
}

.section-subtitle {
  font-family: var(--font-body);
  font-weight: 400;
  font-size: var(--text-base);
  color: var(--carbon-600);
  margin: calc(-1 * var(--space-5)) 0 var(--space-7) 0;
}

/* ── Cards ── */
.card-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-5);
}

.card {
  /* no visual box — editorial layout */
}

.card-img-wrap {
  position: relative;
  aspect-ratio: 3 / 2;
  overflow: hidden;
  background-color: var(--carbon-600);
  border-radius: 4px;
}

.card-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  filter: brightness(1.05) contrast(1.05) saturate(0.85);
}

.card-img-wrap::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to bottom, rgba(78, 99, 93, 0.08), rgba(78, 99, 93, 0.15));
  pointer-events: none;
}

.card-body {
  padding: var(--space-3) 0 0 0;
}

.card-title {
  font-family: var(--font-body);
  font-weight: 700;
  font-size: var(--text-xl);
  color: var(--text-primary);
  margin: 0 0 var(--space-2) 0;
  line-height: 1.2;
}

.card-desc {
  font-family: var(--font-body);
  font-weight: 400;
  font-size: var(--text-sm);
  color: var(--text-secondary);
  margin: 0;
  line-height: 1.5;
}

/* Card badge pill */
.card-badge {
  display: inline-block;
  font-family: var(--font-body);
  font-weight: 500;
  font-size: var(--text-xs);
  color: var(--cyan-900);
  background-color: var(--cyan-50);
  border: 1px solid var(--cyan-400);
  padding: var(--space-1) var(--space-3);
  border-radius: 24px;
  margin-bottom: var(--space-2);
}

/* ── About (Nor gara) ── */
.about-gallery {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-5);
  margin-bottom: var(--space-7);
}

.about-photo-wrap {
  position: relative;
  aspect-ratio: 4 / 3;
  overflow: hidden;
  background-color: var(--carbon-600);
  border-radius: 4px;
}

.about-photo {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  filter: brightness(1.05) contrast(1.05) saturate(0.85);
}

.about-text {
  font-size: var(--text-lg);
  line-height: 1.7;
  color: var(--text-primary);
  margin: 0 0 var(--space-7) 0;
}

.tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}

.tag {
  display: inline-block;
  font-family: var(--font-body);
  font-weight: 500;
  font-size: var(--text-sm);
  padding: var(--space-1) var(--space-4);
  border-radius: 24px;
  color: var(--carbon-900);
}

.tag--cyan {
  background-color: var(--cyan-50);
  border: 1px solid var(--cyan-400);
}

.tag--lime {
  background-color: var(--lime-50);
  border: 1px solid var(--lime-400);
}

/* ── Contact (Kontaktua) ── */
.contact-info {
  margin-bottom: var(--space-6);
}

.contact-line {
  margin: 0 0 var(--space-2) 0;
  font-size: var(--text-lg);
  color: var(--text-primary);
}

.contact-email {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  color: var(--cyan-900);
  text-decoration: none;
  transition: color 0.2s;
}

.contact-icon {
  flex-shrink: 0;
}

.contact-email:hover {
  color: var(--cyan-600);
}

.contact-location {
  color: var(--text-secondary);
}

.contact-links {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
}

.btn-outline {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-family: var(--font-body);
  font-weight: 500;
  font-size: var(--text-sm);
  color: var(--carbon-900);
  text-decoration: none;
  padding: var(--space-2) var(--space-5);
  border: 1px solid var(--cyan-400);
  border-radius: var(--space-2);
  transition: background-color 0.2s, color 0.2s, border-color 0.2s;
}

.btn-icon {
  flex-shrink: 0;
}

.btn-outline:hover {
  background-color: var(--cyan-50);
  color: var(--cyan-900);
  border-color: var(--cyan-600);
}

/* ── Footer ── */
.site-footer {
  background-color: var(--carbon-600);
  padding: var(--space-7) 0;
  text-align: center;
}

.footer-text {
  font-family: var(--font-body);
  font-weight: 400;
  font-size: var(--text-sm);
  color: var(--carbon-50);
  margin: 0;
}

/* ── Animations ── */

/* Scroll reveal */
.reveal {
  opacity: 0;
  transform: translateY(24px);
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
  animation: revealIn 0.6s ease-out;
}

@keyframes revealIn {
  from {
    opacity: 0;
    transform: translateY(24px);
  }
}

/* Nav active link */
.nav-link.nav-active {
  color: var(--accent);
  border-bottom-color: var(--accent);
}

/* Photo hover zoom + Hero parallax — desktop only */
@media (hover: hover) {
  .card-img {
    transition: transform 0.4s ease;
  }

  .card:hover .card-img {
    transform: scale(1.03);
  }

  .hero {
    background-attachment: fixed;
  }
}

/* Respect reduced motion */
@media (prefers-reduced-motion: reduce) {
  .reveal {
    opacity: 1;
    transform: none;
  }
  .reveal.is-visible {
    animation: none;
  }
  .card-img {
    transition: none;
  }
}

/* ── Desktop (768px+) ── */
@media (min-width: 768px) {
  .header-subtitle {
    display: inline;
  }

  .menu-toggle {
    display: none;
  }

  .header-nav {
    display: flex;
    align-items: center;
    width: auto;
    padding-top: 0;
    order: 2;
  }

  .nav-list {
    flex-direction: row;
    gap: var(--space-5);
  }

  .header-actions {
    order: 3;
  }

  .lang-switch {
    padding-left: var(--space-6);
  }

  .hero-claim {
    font-size: var(--text-3xl);
  }

  .card-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .card--featured {
    grid-column: 1 / -1;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-5);
  }

  .card--featured .card-img-wrap {
    aspect-ratio: auto;
    min-height: 100%;
  }

  .card--featured .card-body {
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: 0;
  }

  .card--featured .card-title {
    font-size: var(--text-2xl);
  }

  .card--featured .card-desc {
    font-size: var(--text-base);
  }

  .about-gallery {
    grid-template-columns: repeat(2, 1fr);
  }
}