:root {
  --bg: #0a0a0a;
  --bg-alt: #141412;
  --panel: #1b1b18;
  --stone: #a89e8c;
  --white: #f5f3ee;
  --accent: #e6592f;       /* terracota / desierto */
  --accent-dark: #b5401c;
  --green: #2f4a3c;        /* verde monte, uso discreto */
  --border: #2c2b26;
  --radius: 10px;
  --maxw: 1120px;
  font-size: 16px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--white);
  font-family: 'Inter', -apple-system, Segoe UI, Roboto, sans-serif;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}
h1, h2, h3, h4 {
  font-family: 'Oswald', 'Inter', sans-serif;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  margin: 0 0 0.5em;
  color: var(--white);
}
p { color: #cfcabf; }
a { color: var(--accent); text-decoration: none; }
img { max-width: 100%; display: block; }
.container { max-width: var(--maxw); margin: 0 auto; padding: 0 24px; }
section { padding: 88px 0; border-bottom: 1px solid var(--border); }
.eyebrow {
  display: inline-block;
  font-size: 0.75rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent);
  font-weight: 700;
  margin-bottom: 14px;
}
.section-head { max-width: 640px; margin-bottom: 48px; }
.section-head p { font-size: 1.05rem; }

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: 999px;
  font-family: 'Oswald', sans-serif;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  font-size: 0.9rem;
  border: 2px solid transparent;
  cursor: pointer;
  transition: transform 0.15s ease, background 0.15s ease, border-color 0.15s ease;
}
.btn:hover { transform: translateY(-2px); }
.btn-primary { background: var(--accent); color: #100c09; }
.btn-primary:hover { background: #ff6b3d; }
.btn-outline { background: transparent; color: var(--white); border-color: var(--stone); }
.btn-outline:hover { border-color: var(--white); }
.btn:disabled { opacity: 0.55; cursor: not-allowed; transform: none; }
.btn-block { width: 100%; }

/* Nav */
header.nav {
  position: sticky; top: 0; z-index: 50;
  background: rgba(10,10,10,0.92);
  backdrop-filter: blur(6px);
  border-bottom: 1px solid var(--border);
}
.nav-inner {
  max-width: var(--maxw); margin: 0 auto; padding: 14px 24px;
  display: flex; align-items: center; justify-content: space-between;
}
.nav-brand { display: flex; align-items: center; gap: 10px; }
.nav-brand img { width: auto; height: 32px; }
.nav-brand span { font-family: 'Oswald', sans-serif; font-weight: 600; letter-spacing: 0.04em; font-size: 0.95rem; }
.nav-links { display: flex; gap: 28px; list-style: none; margin: 0; padding: 0; }
.nav-links a { color: var(--stone); font-size: 0.85rem; text-transform: uppercase; letter-spacing: 0.05em; font-weight: 600; }
.nav-links a:hover { color: var(--white); }
.nav-cta { display: none; }
.nav-toggle { display: none; background: none; border: none; color: var(--white); font-size: 1.6rem; cursor: pointer; }

@media (max-width: 780px) {
  .nav-links { position: fixed; top: 66px; left: 0; right: 0; background: var(--bg); flex-direction: column; padding: 24px; gap: 18px; border-bottom: 1px solid var(--border); transform: translateY(-140%); transition: transform 0.25s ease; }
  .nav-links.open { transform: translateY(0); }
  .nav-toggle { display: block; }
}

/* Hero */
.hero {
  position: relative;
  padding: 100px 0 90px;
  text-align: center;
  background:
    radial-gradient(circle at 50% -10%, rgba(230,89,47,0.18), transparent 55%),
    var(--bg);
  border-bottom: 1px solid var(--border);
  overflow: hidden;
}
.hero-logo { width: min(320px, 72vw); height: auto; margin: 0 auto 28px; }
.hero h1 { font-size: clamp(2.4rem, 6vw, 4.2rem); line-height: 1.02; margin-bottom: 18px; }
.hero h1 em { color: var(--accent); font-style: normal; }
.hero-tagline { max-width: 560px; margin: 0 auto 14px; font-size: 1.3rem; font-weight: 600; color: var(--accent); }
.hero .lede { max-width: 620px; margin: 0 auto 34px; font-size: 1.15rem; color: #d8d3c8; letter-spacing: 0.04em; text-transform: uppercase; }
.hero-meta { display: flex; flex-wrap: wrap; justify-content: center; gap: 12px; margin-bottom: 36px; }
.pill { border: 1px solid var(--border); background: var(--panel); color: var(--stone); padding: 8px 16px; border-radius: 999px; font-size: 0.82rem; text-transform: uppercase; letter-spacing: 0.05em; font-weight: 600; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; justify-content: center; margin-bottom: 46px; }

.countdown { display: flex; justify-content: center; gap: 14px; flex-wrap: wrap; }
.countdown .unit { min-width: 84px; padding: 14px 10px; background: var(--panel); border: 1px solid var(--border); border-radius: var(--radius); }
.countdown .unit strong { display: block; font-family: 'Oswald', sans-serif; font-size: 1.9rem; color: var(--accent); }
.countdown .unit span { font-size: 0.68rem; text-transform: uppercase; letter-spacing: 0.08em; color: var(--stone); }

/* Stats */
.stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; margin-top: 44px; }
.stats .stat { text-align: center; }
.stats .stat strong { display: block; font-family: 'Oswald', sans-serif; font-size: 2.4rem; color: var(--accent); }
.stats .stat span { color: var(--stone); font-size: 0.85rem; text-transform: uppercase; letter-spacing: 0.05em; }
@media (max-width: 640px) { .stats { grid-template-columns: 1fr; gap: 30px; } }

.venue-credit { display: flex; align-items: center; justify-content: center; gap: 14px; margin-top: 48px; padding-top: 36px; border-top: 1px solid var(--border); }
.venue-credit img { width: 44px; height: 44px; border-radius: 50%; object-fit: cover; flex-shrink: 0; }
.venue-credit span { color: var(--stone); font-size: 0.92rem; }
.venue-credit strong { color: var(--white); }
@media (max-width: 560px) { .venue-credit { flex-direction: column; text-align: center; gap: 10px; } }

.venue-map { max-width: 720px; margin: 24px auto 0; }
.venue-map iframe { display: block; width: 100%; border-radius: var(--radius); filter: grayscale(0.15) contrast(1.05); }
.venue-map-link { display: block; text-align: center; margin-top: 10px; color: var(--stone); font-size: 0.88rem; text-decoration: none; }
.venue-map-link:hover { color: var(--accent); text-decoration: underline; }

/* Distance cards */
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
@media (max-width: 980px) { .grid-4 { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 560px) { .grid-4 { grid-template-columns: 1fr; } }

.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
@media (max-width: 980px) { .grid-3 { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 560px) { .grid-3 { grid-template-columns: 1fr; } }

.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
@media (max-width: 560px) { .grid-2 { grid-template-columns: 1fr; } }

.card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 26px 22px;
  display: flex; flex-direction: column; gap: 10px;
  transition: border-color 0.15s ease, transform 0.15s ease;
}
.card:hover { border-color: var(--accent); transform: translateY(-3px); }
.card .km { font-family: 'Oswald', sans-serif; font-size: 2.6rem; color: var(--white); }
.card .km small { font-size: 1rem; color: var(--stone); }
.card .tag { align-self: flex-start; font-size: 0.7rem; text-transform: uppercase; letter-spacing: 0.06em; color: var(--accent); border: 1px solid var(--accent-dark); padding: 3px 10px; border-radius: 999px; }
.card .price { font-family: 'Oswald', sans-serif; font-size: 1.5rem; margin-top: 6px; }
.card .meta-row { font-size: 0.82rem; color: var(--stone); display: flex; justify-content: space-between; }
.card .btn { margin-top: 10px; }

/* Kit del corredor */
.kit-list { list-style: none; margin: 6px 0 0; padding: 0; display: flex; flex-direction: column; gap: 9px; }
.kit-list li { position: relative; padding-left: 20px; color: #cfcabf; font-size: 0.92rem; }
.kit-list li::before { content: ''; position: absolute; left: 0; top: 0.5em; width: 8px; height: 8px; border-radius: 50%; background: var(--accent); }
.kit-extra { max-width: 640px; margin: 28px auto 0; text-align: center; color: var(--stone); font-size: 0.92rem; }

/* Routes placeholders */
.route-card {
  border: 1.5px dashed var(--border);
  border-radius: var(--radius);
  padding: 30px 22px;
  text-align: center;
  background: var(--bg-alt);
}
.route-card .icon { font-size: 1.8rem; margin-bottom: 10px; opacity: 0.7; }
.route-card h4 { margin-bottom: 6px; }
.route-card p { font-size: 0.88rem; color: var(--stone); margin: 0; }
.route-card .badge-todo { display: inline-block; margin-top: 12px; font-size: 0.68rem; letter-spacing: 0.08em; text-transform: uppercase; color: var(--stone); border: 1px solid var(--border); padding: 4px 10px; border-radius: 999px; }

/* Altimetría (vista previa de desnivel, antes del mapa GPX oficial) */
.alti-wrap { position: relative; margin-top: 30px; text-align: left; }
.alti-svg { width: 100%; height: 76px; display: block; }
.alti-area { fill: var(--accent); fill-opacity: 0.1; stroke: none; }
.alti-line { fill: none; stroke: var(--accent); stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; vector-effect: non-scaling-stroke; }
.alti-peak { fill: var(--accent); stroke: var(--bg-alt); stroke-width: 2; }
.alti-hoverdot { fill: var(--white); stroke: var(--bg-alt); stroke-width: 2; }
.alti-crosshair { stroke: var(--border); stroke-width: 1; }
.alti-hit { cursor: crosshair; touch-action: none; }
.alti-tooltip {
  position: absolute; transform: translate(-50%, calc(-100% - 10px));
  background: var(--panel); border: 1px solid var(--border); border-radius: 8px;
  padding: 4px 9px; font-size: 0.74rem; white-space: nowrap; pointer-events: none;
  color: var(--white); z-index: 2;
}
.alti-tooltip strong { color: var(--white); font-weight: 700; }
.alti-tooltip span { color: var(--stone); }
.alti-peak-label { display: block; margin-top: 8px; font-size: 0.7rem; color: var(--stone); text-align: left; }
.alti-aid-line { stroke: #4ea3c9; stroke-width: 1; stroke-dasharray: 2 2; }
.alti-aid-dot { fill: #4ea3c9; stroke: var(--bg-alt); stroke-width: 1.5; }
.alti-aid-label { display: block; margin-top: 2px; font-size: 0.7rem; color: #6fb8d9; text-align: left; }
.alti-stats { display: flex; justify-content: space-between; margin-top: 4px; font-size: 0.8rem; color: var(--stone); text-align: left; }
.alti-stats span:last-child { color: var(--accent); font-weight: 600; }

/* Sponsors */
.sponsor-tiers { display: flex; flex-direction: column; gap: 26px; }
.sponsor-tier h4 { color: var(--accent); font-size: 0.95rem; margin-bottom: 12px; }
.sponsor-row { display: flex; flex-wrap: wrap; gap: 14px; }
.sponsor-slot {
  flex: 1 1 160px; max-width: 220px; height: 90px;
  border: 1.5px dashed var(--border); border-radius: var(--radius);
  display: flex; align-items: center; justify-content: center;
  color: var(--stone); font-size: 0.78rem; text-transform: uppercase; letter-spacing: 0.05em;
  background: var(--bg-alt);
}
.sponsor-cta { margin-top: 30px; padding: 24px; border-radius: var(--radius); background: var(--panel); border: 1px solid var(--border); display: flex; align-items: center; justify-content: space-between; gap: 20px; flex-wrap: wrap; }
.sponsor-cta p { margin: 0; max-width: 460px; }

/* Ticket / registration */
.ticket-wrap { display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 40px; align-items: flex-start; }
@media (max-width: 860px) { .ticket-wrap { grid-template-columns: 1fr; } }
.inscripcion-aviso {
  margin: 0 0 28px; padding: 14px 18px; border-radius: 10px;
  background: rgba(230,89,47,0.1); border: 1px solid var(--accent-dark);
  color: #ffcbb3; font-size: 0.9rem; line-height: 1.5;
}
.inscripcion-aviso a { color: var(--white); text-decoration: underline; }
.ticket-wrap.is-disabled { opacity: 0.55; pointer-events: none; filter: grayscale(0.3); }

.form-panel, .summary-panel { background: var(--panel); border: 1px solid var(--border); border-radius: var(--radius); padding: 28px; }
.field { margin-bottom: 18px; }
.field label { display: block; font-size: 0.78rem; text-transform: uppercase; letter-spacing: 0.05em; color: var(--stone); margin-bottom: 8px; }
.field select, .field input {
  width: 100%; padding: 12px 14px; border-radius: 8px; border: 1px solid var(--border);
  background: var(--bg-alt); color: var(--white); font-size: 1rem; font-family: inherit;
}
.field select:focus, .field input:focus { outline: none; border-color: var(--accent); }
.row-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
@media (max-width: 480px) { .row-2 { grid-template-columns: 1fr; } }

.summary-panel h3 { margin-bottom: 18px; }
.summary-line { display: flex; justify-content: space-between; font-size: 0.92rem; color: var(--stone); padding: 8px 0; border-bottom: 1px solid var(--border); }
.summary-total { display: flex; justify-content: space-between; font-family: 'Oswald', sans-serif; font-size: 1.6rem; padding: 16px 0 6px; }
.summary-total span:last-child { color: var(--accent); }
.pay-note { font-size: 0.76rem; color: var(--stone); margin-top: 14px; }
.pay-status { margin-top: 14px; font-size: 0.85rem; padding: 12px 14px; border-radius: 8px; display: none; }
.pay-status.show { display: block; }
.pay-status.info { background: rgba(230,89,47,0.12); border: 1px solid var(--accent-dark); color: #ffcbb3; }
.pay-status.error { background: rgba(200,60,60,0.12); border: 1px solid #7a2b2b; color: #ffb3b3; }

/* Footer */
footer { padding: 50px 0 40px; }
.footer-grid { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 30px; }
.footer-grid h4 { font-size: 0.85rem; letter-spacing: 0.06em; }
.footer-grid p, .footer-grid a { font-size: 0.85rem; color: var(--stone); }
.footer-bottom { margin-top: 40px; padding-top: 20px; border-top: 1px solid var(--border); font-size: 0.75rem; color: #6f6a5f; display: flex; justify-content: space-between; flex-wrap: wrap; gap: 10px; }

.badge-alert {
  display: inline-flex; align-items: center; gap: 8px;
  background: rgba(230,89,47,0.1); border: 1px solid var(--accent-dark);
  color: #ffcbb3; font-size: 0.78rem; padding: 8px 14px; border-radius: 999px;
  margin-bottom: 20px;
}