/* =============================================
   IBARREKOLANDA EZ DA SARRIKO — styles
   ============================================= */

:root {
  --bg: #1a1a2e;
  --bg-light: #f5f0e8;
  --accent-red: #1d4ed8;
  --accent-gold: #93c5fd;
  --text: #e8e8f0;
  --text-muted: #9090a8;
  --text-dark: #1a1a2e;
  --border: rgba(255,255,255,0.1);
  --radius: 8px;
  --transition: 0.3s ease;
  --max-width: 1100px;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: 'Inter', sans-serif;
  background: var(--bg);
  color: var(--text);
  font-size: 1rem;
  line-height: 1.65;
}

/* ── LANGUAGE SWITCHING ─────────────────────── */
html.lang-es [data-eu],
html.lang-es .tab-content-eu,
html.lang-es .lang-eu { display: none; }

html.lang-eu [data-es],
html.lang-eu .tab-content-es,
html.lang-eu .lang-es { display: none; }

html.lang-es [data-es],
html.lang-eu [data-eu] { display: inline; }

[data-es], [data-eu] { display: none; }

/* ── CONTAINERS ─────────────────────────────── */
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1.25rem;
}

/* ── HEADER / NAV ───────────────────────────── */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  background: rgba(26,26,46,0.92);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 0.85rem;
  padding-bottom: 0.85rem;
}

.logo {
  font-size: 1.1rem;
  font-weight: 900;
  letter-spacing: 0.12em;
  color: var(--accent-gold);
  text-decoration: none;
  text-transform: uppercase;
}

.lang-switch {
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.lang-opt {
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  color: var(--text-muted);
  text-decoration: none;
  transition: color var(--transition);
}
.lang-opt:hover { color: var(--accent-gold); }

/* ── BUTTONS ────────────────────────────────── */
.btn {
  display: inline-block;
  padding: 0.75rem 1.75rem;
  border-radius: 999px;
  font-weight: 700;
  font-size: 1rem;
  text-decoration: none;
  cursor: pointer;
  border: none;
  transition: transform var(--transition), opacity var(--transition);
  font-family: inherit;
}
.btn:hover { transform: translateY(-2px); opacity: 0.9; }

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

.btn-secondary {
  background: transparent;
  color: var(--accent-gold);
  border: 2px solid var(--accent-gold);
}
.btn-secondary:hover { background: var(--accent-red); color: #fff; border-color: var(--accent-red); }

.hero-btns {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.btn-large { padding: 0.9rem 2.25rem; font-size: 1.05rem; }

/* ── HERO ───────────────────────────────────── */
.hero {
  min-height: 100vh;
  position: relative;
  display: flex;
  align-items: center;
  background: url('images/aerial-color.jpg') center center / cover no-repeat;
  padding-top: 80px;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(26,26,46,0.88) 0%, rgba(26,26,46,0.65) 100%);
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 760px;
}

.hero-eyebrow {
  font-size: 0.85rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--accent-gold);
  margin-bottom: 1rem;
  font-weight: 600;
}

.hero-title {
  font-size: clamp(1.75rem, 4.5vw, 3rem);
  font-weight: 900;
  line-height: 1.2;
  margin-bottom: 1.25rem;
}

.hero-title em {
  font-style: normal;
  color: var(--accent-red);
  text-decoration: line-through;
  text-decoration-color: rgba(230,57,70,0.6);
}

.hero-title strong {
  color: var(--accent-gold);
}

.hero-sub {
  font-size: 1.15rem;
  color: var(--text-muted);
  margin-bottom: 2rem;
  max-width: 580px;
}

/* ── SECTIONS ───────────────────────────────── */
.section { padding: 5rem 0; }

.section-title {
  font-size: clamp(1.5rem, 3vw, 2.25rem);
  font-weight: 800;
  margin-bottom: 1.75rem;
  line-height: 1.25;
}

.section-title em { font-style: italic; color: var(--accent-gold); }

/* ── PROBLEM ────────────────────────────────── */
.section-problem {
  background: var(--accent-red);
  color: #fff;
}

.section-problem .section-title { color: #fff; }
.section-problem p { margin-bottom: 1rem; font-size: 1.05rem; }
.section-problem strong { color: #fff; }

.problem-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: start;
}

@media (max-width: 720px) {
  .problem-grid { grid-template-columns: 1fr; }
}

/* Diagram */
.diagram-box {
  background: rgba(0,0,0,0.2);
  border-radius: var(--radius);
  padding: 1.5rem;
}

.diagram-barrio {
  border: 2px dashed rgba(255,255,255,0.5);
  border-radius: var(--radius);
  padding: 1.25rem;
  position: relative;
}

.diagram-label {
  display: block;
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  opacity: 0.8;
  margin-bottom: 0.25rem;
}

.diagram-name {
  font-size: 1.4rem;
  font-weight: 900;
  letter-spacing: 0.05em;
  margin-bottom: 1rem;
  display: block;
}

.diagram-parque {
  background: rgba(255,255,255,0.15);
  border-radius: 6px;
  padding: 0.6rem 0.9rem;
  display: inline-block;
  margin-bottom: 0.75rem;
}

.diagram-label-small { font-size: 0.7rem; display: block; opacity: 0.7; }
.diagram-parque-name { font-weight: 700; font-size: 1rem; }

.diagram-metro {
  font-size: 0.9rem;
  margin-top: 0.5rem;
  background: rgba(0,0,0,0.2);
  border-radius: 6px;
  padding: 0.5rem 0.75rem;
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.diagram-wrong { color: #ffcccc; font-size: 1.1rem; margin-left: auto; }

.diagram-caption {
  margin-top: 0.75rem;
  font-size: 0.9rem;
  opacity: 0.85;
  text-align: center;
}

/* ── HISTORY ────────────────────────────────── */
.section-history { background: var(--bg-light); color: var(--text-dark); }
.section-history .section-title { color: var(--text-dark); }
.section-history p { margin-bottom: 1rem; font-size: 1.05rem; }
.section-history em { color: var(--accent-red); font-style: italic; }

.history-content { margin-bottom: 2.5rem; }

/* Gallery */
.gallery {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 1rem;
  margin-top: 2rem;
}

.gallery-item {
  cursor: pointer;
  border-radius: var(--radius);
  overflow: hidden;
  position: relative;
  aspect-ratio: 4/3;
  background: #ddd;
}

.gallery-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.4s ease;
}

.gallery-item:hover img { transform: scale(1.05); }

.gallery-caption {
  position: absolute;
  bottom: 0; left: 0; right: 0;
  background: linear-gradient(transparent, rgba(0,0,0,0.75));
  color: #fff;
  font-size: 0.8rem;
  padding: 1.5rem 0.75rem 0.6rem;
  opacity: 0;
  transition: opacity var(--transition);
}

.gallery-item:hover .gallery-caption { opacity: 1; }

/* ── PARK ───────────────────────────────────── */
.section-park { background: var(--bg); }

.park-grid {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 3rem;
  align-items: center;
}

@media (max-width: 720px) {
  .park-grid { grid-template-columns: 1fr; }
}

.park-image img {
  width: 100%;
  border-radius: var(--radius);
  object-fit: cover;
  max-height: 420px;
}

.park-text p { margin-bottom: 1rem; font-size: 1.05rem; color: var(--text-muted); }
.park-text strong { color: var(--accent-gold); }

/* Comparison cards */
.comparison-cards {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-top: 1.75rem;
  flex-wrap: wrap;
}

.card {
  flex: 1;
  min-width: 140px;
  border-radius: var(--radius);
  padding: 1rem 1.25rem;
  text-align: center;
}

.card-wrong {
  background: rgba(230,57,70,0.12);
  border: 1.5px solid var(--accent-red);
}

.card-right {
  background: rgba(244,162,97,0.12);
  border: 1.5px solid var(--accent-gold);
}

.card-label {
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  opacity: 0.7;
  margin-bottom: 0.4rem;
}

.card-wrong .card-label { color: var(--accent-red); }
.card-right .card-label { color: var(--accent-gold); }

.card-name {
  font-size: 1.1rem;
  font-weight: 800;
  margin-bottom: 0.3rem;
}

.card-wrong .card-name { color: var(--accent-red); }
.card-right .card-name { color: var(--accent-gold); }

.card-note { font-size: 0.8rem; opacity: 0.7; }

.card-arrow {
  font-size: 1.5rem;
  color: var(--text-muted);
  flex-shrink: 0;
}

/* ── CTA SECTION ────────────────────────────── */
.section-cta { background: var(--bg); border-top: 2px solid var(--accent-gold); }
.section-cta .section-title { color: var(--accent-gold); }

.demand-box {
  background: rgba(244,162,97,0.08);
  border-left: 4px solid var(--accent-gold);
  border-radius: 0 var(--radius) var(--radius) 0;
  padding: 1.5rem 1.75rem;
  margin-bottom: 2rem;
}

.demand-text {
  font-size: 1.1rem;
  line-height: 1.75;
}

.demand-text em { font-style: normal; color: var(--accent-red); }
.demand-text strong { color: var(--accent-gold); }

.aerial-cta {
  margin-bottom: 3rem;
  border-radius: var(--radius);
  overflow: hidden;
  max-height: 340px;
}

.aerial-cta img {
  width: 100%;
  object-fit: cover;
  display: block;
}

/* Form */
.form-wrapper {
  max-width: 680px;
}

.form-title {
  font-size: 1.35rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
  color: var(--text);
}

.form-desc {
  color: var(--text-muted);
  margin-bottom: 1.5rem;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

@media (max-width: 520px) {
  .form-row { grid-template-columns: 1fr; }
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  margin-bottom: 1rem;
}

.form-group label {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text);
}

.form-group input,
.form-group textarea {
  background: rgba(255,255,255,0.06);
  border: 1.5px solid rgba(255,255,255,0.15);
  border-radius: var(--radius);
  color: var(--text);
  font-family: inherit;
  font-size: 1rem;
  padding: 0.65rem 0.9rem;
  transition: border-color var(--transition);
  width: 100%;
  resize: vertical;
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--accent-gold);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: var(--text-muted);
}

.support-form .btn { margin-top: 0.5rem; }

.form-note {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-top: 1rem;
}

.suggestion-text {
  background: rgba(255,255,255,0.04);
  border-left: 3px solid var(--accent-gold);
  border-radius: 0 var(--radius) var(--radius) 0;
  padding: 1rem 1.25rem;
  margin-top: 0.75rem;
  font-size: 0.9rem;
  line-height: 1.7;
  color: var(--text-muted);
}


.copy-feedback {
  margin-top: 0.75rem;
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--accent-gold);
  min-height: 1.4em;
}

/* ── METRO BLOCK ────────────────────────────── */
.metro-block {
  margin-top: 3rem;
  padding-top: 2.5rem;
  border-top: 1px solid var(--border);
  max-width: 680px;
}

/* ── FOOTER ─────────────────────────────────── */
.site-footer {
  background: #111122;
  border-top: 1px solid var(--border);
  padding: 2.5rem 0;
  text-align: center;
}

.footer-logo {
  font-size: 1.2rem;
  font-weight: 900;
  letter-spacing: 0.15em;
  color: var(--accent-gold);
  margin-bottom: 0.5rem;
}

.footer-tagline {
  color: var(--text-muted);
  font-size: 0.95rem;
  margin-bottom: 0.4rem;
}

.footer-meta {
  font-size: 0.8rem;
  color: rgba(144,144,168,0.6);
}

/* ── LIGHTBOX ───────────────────────────────── */
.lightbox {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 999;
  background: rgba(0,0,0,0.92);
  align-items: center;
  justify-content: center;
  flex-direction: column;
  padding: 2rem;
  cursor: pointer;
}

.lightbox.open { display: flex; }

.lightbox img {
  max-width: 90vw;
  max-height: 80vh;
  object-fit: contain;
  border-radius: var(--radius);
  box-shadow: 0 0 60px rgba(0,0,0,0.8);
}

.lightbox p {
  margin-top: 1rem;
  color: rgba(255,255,255,0.75);
  font-size: 0.95rem;
  text-align: center;
}

.lightbox-close {
  position: absolute;
  top: 1.25rem;
  right: 1.5rem;
  background: transparent;
  border: none;
  color: #fff;
  font-size: 1.5rem;
  cursor: pointer;
  padding: 0.25rem 0.5rem;
  line-height: 1;
}

/* ── RESPONSIVE ─────────────────────────────── */
@media (max-width: 720px) {
  .section { padding: 3.5rem 0; }
  .hero-title { font-size: 1.7rem; }
  .comparison-cards { flex-direction: column; align-items: stretch; }
  .card-arrow { text-align: center; }
}