/* ============ El Sendero de Enzo Gatica ============ */
:root {
  --ink: #eaf2ec;
  --ink-dim: #b8c8bc;
  --wood: #6b4a2e;
  --wood-light: #8a6440;
  --accent: #ffb24d;       /* amanecer patagónico */
  --accent-2: #5fd4c5;     /* glaciar */
  --panel: rgba(12, 22, 18, 0.86);
  --panel-border: rgba(255, 178, 77, 0.35);
  font-size: 16px;
}

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

html { scroll-behavior: auto; }

body {
  font-family: "Segoe UI", system-ui, -apple-system, sans-serif;
  background: #0a1410;
  color: var(--ink);
  overflow-x: hidden;
}

#scene {
  position: fixed;
  inset: 0;
  width: 100vw;
  height: 100vh;
  display: block;
  z-index: 0;
}

/* El alto de este div define la longitud del trekking */
#trek-spacer { height: 2000vh; }

.hidden { display: none !important; }

/* ---------- Intro ---------- */
#intro {
  position: fixed;
  inset: 0;
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: center;
  background:
    radial-gradient(ellipse at 50% 120%, rgba(95, 212, 197, 0.12), transparent 60%),
    linear-gradient(180deg, #0b1a14 0%, #0a1410 100%);
  transition: opacity 1.4s ease, visibility 1.4s;
  text-align: center;
  padding: 2rem;
}
#intro.fading { opacity: 0; visibility: hidden; pointer-events: none; }

.intro-inner { max-width: 620px; }

.intro-kicker {
  letter-spacing: 0.35em;
  text-transform: uppercase;
  font-size: 0.72rem;
  color: var(--accent-2);
  margin-bottom: 1.2rem;
}

#intro h1 {
  font-size: clamp(2.2rem, 6vw, 4rem);
  line-height: 1.05;
  letter-spacing: 0.06em;
  background: linear-gradient(180deg, #fff 30%, var(--accent) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  margin-bottom: 0.8rem;
}

.intro-sub { color: var(--ink-dim); letter-spacing: 0.12em; margin-bottom: 1.4rem; }

.intro-desc {
  color: var(--ink-dim);
  font-size: 0.95rem;
  line-height: 1.65;
  margin-bottom: 2rem;
}

#start-btn {
  font: inherit;
  font-size: 1.05rem;
  letter-spacing: 0.1em;
  padding: 0.9rem 2.6rem;
  color: #0a1410;
  background: linear-gradient(135deg, var(--accent), #ff8c42);
  border: none;
  border-radius: 999px;
  cursor: pointer;
  transition: transform 0.25s ease, box-shadow 0.25s ease, opacity 0.3s;
  box-shadow: 0 6px 30px rgba(255, 140, 66, 0.35);
}
#start-btn:disabled { opacity: 0.45; cursor: wait; box-shadow: none; }
#start-btn:not(:disabled):hover { transform: translateY(-2px) scale(1.03); }

.intro-hint { margin-top: 1.6rem; font-size: 0.8rem; color: var(--ink-dim); opacity: 0.8; }

/* ---------- HUD ---------- */
#hud { position: fixed; inset: 0; z-index: 20; pointer-events: none; }

#trail-map-wrap {
  position: absolute;
  top: 1rem;
  right: 1rem;
  background: var(--panel);
  border: 1px solid var(--panel-border);
  border-radius: 12px;
  padding: 0.5rem;
  pointer-events: auto;
  backdrop-filter: blur(6px);
}
#trail-map { display: block; }
#trail-pct {
  text-align: center;
  font-size: 0.78rem;
  color: var(--accent);
  letter-spacing: 0.15em;
  margin-top: 0.25rem;
}

#zone-label {
  position: absolute;
  top: 1.2rem;
  left: 50%;
  transform: translateX(-50%);
  font-size: 0.8rem;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--ink);
  text-shadow: 0 2px 10px rgba(0,0,0,0.7);
  opacity: 0;
  transition: opacity 1s;
}
#zone-label.show { opacity: 0.95; }

#mute-btn {
  position: absolute;
  bottom: 1rem;
  right: 1rem;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  border: 1px solid var(--panel-border);
  background: var(--panel);
  color: var(--ink);
  font-size: 1.1rem;
  cursor: pointer;
  pointer-events: auto;
}

#scroll-hint {
  position: absolute;
  bottom: 1.4rem;
  left: 50%;
  transform: translateX(-50%);
  font-size: 0.8rem;
  letter-spacing: 0.25em;
  color: var(--ink);
  text-shadow: 0 2px 8px rgba(0,0,0,0.8);
  animation: bob 2.2s ease-in-out infinite;
  transition: opacity 1s;
}
#scroll-hint.off { opacity: 0; }
@keyframes bob { 0%,100% { transform: translate(-50%,0); } 50% { transform: translate(-50%,8px); } }

/* ---------- Tarjeta ---------- */
#card {
  position: fixed;
  z-index: 40;
  left: 50%;
  bottom: 2.2rem;
  transform: translateX(-50%);
  width: min(560px, calc(100vw - 2rem));
  max-height: 62vh;
  overflow-y: auto;
  background: var(--panel);
  border: 1px solid var(--panel-border);
  border-radius: 16px;
  padding: 1.4rem 1.6rem;
  backdrop-filter: blur(10px);
  box-shadow: 0 18px 60px rgba(0,0,0,0.6);
  animation: card-in 0.45s cubic-bezier(0.2, 0.9, 0.3, 1.2);
}
@keyframes card-in {
  from { transform: translate(-50%, 30px); opacity: 0; }
  to   { transform: translate(-50%, 0);    opacity: 1; }
}

#card-close {
  position: absolute;
  top: 0.7rem;
  right: 0.8rem;
  background: none;
  border: none;
  color: var(--ink-dim);
  font-size: 1.1rem;
  cursor: pointer;
}
#card-close:hover { color: var(--accent); }

#card-tag {
  display: inline-block;
  font-size: 0.68rem;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--accent-2);
  border: 1px solid rgba(95, 212, 197, 0.4);
  border-radius: 999px;
  padding: 0.2rem 0.7rem;
  margin-bottom: 0.7rem;
}

#card h2 { font-size: 1.35rem; margin-bottom: 0.15rem; color: #fff; }
#card h3 { font-size: 0.85rem; font-weight: 500; color: var(--accent); margin-bottom: 0.8rem; letter-spacing: 0.05em; }

#card-body { font-size: 0.92rem; line-height: 1.6; color: var(--ink-dim); }
#card-body ul { list-style: none; }
#card-body li { padding-left: 1.1rem; position: relative; margin-bottom: 0.4rem; }
#card-body li::before { content: "▸"; position: absolute; left: 0; color: var(--accent); }
#card-body .chips { display: flex; flex-wrap: wrap; gap: 0.4rem; margin-top: 0.8rem; }
#card-body .chip {
  font-size: 0.72rem;
  padding: 0.18rem 0.6rem;
  border-radius: 999px;
  background: rgba(95, 212, 197, 0.12);
  border: 1px solid rgba(95, 212, 197, 0.3);
  color: var(--accent-2);
}

#card-links { display: flex; gap: 0.6rem; margin-top: 1rem; flex-wrap: wrap; }
#card-links a {
  font-size: 0.82rem;
  letter-spacing: 0.05em;
  text-decoration: none;
  color: #0a1410;
  background: var(--accent);
  padding: 0.45rem 1.1rem;
  border-radius: 999px;
  transition: transform 0.2s;
}
#card-links a.ghost { background: transparent; color: var(--accent-2); border: 1px solid rgba(95,212,197,0.5); }
#card-links a:hover { transform: translateY(-2px); }

/* ---------- Insignia (cóndor) ---------- */
#badge-toast {
  position: fixed;
  z-index: 45;
  top: 4.5rem;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 0.9rem;
  align-items: center;
  background: var(--panel);
  border: 1px solid var(--panel-border);
  border-radius: 14px;
  padding: 0.9rem 1.3rem;
  box-shadow: 0 12px 40px rgba(0,0,0,0.55);
  animation: badge-in 0.5s cubic-bezier(0.2, 0.9, 0.3, 1.25);
  max-width: min(440px, calc(100vw - 2rem));
}
@keyframes badge-in {
  from { transform: translate(-50%, -25px); opacity: 0; }
  to   { transform: translate(-50%, 0);     opacity: 1; }
}
#badge-icon { font-size: 1.9rem; }
#badge-toast strong { color: var(--accent); font-size: 0.95rem; letter-spacing: 0.04em; }
#badge-toast p { font-size: 0.8rem; color: var(--ink-dim); margin-top: 0.15rem; }

/* ---------- Cumbre ---------- */
#summit-panel {
  position: fixed;
  z-index: 30;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  text-align: center;
  pointer-events: none;
  transition: opacity 1.2s;
  opacity: 0;
  text-shadow: 0 4px 24px rgba(0,0,0,0.8);
  padding: 0 1rem;
}
#summit-panel.show { opacity: 1; }
#summit-panel h2 {
  font-size: clamp(1.8rem, 5vw, 3.2rem);
  letter-spacing: 0.08em;
  background: linear-gradient(180deg, #fff, var(--accent));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  margin-bottom: 1.6rem;
}
.stats { display: flex; gap: clamp(1rem, 4vw, 3rem); justify-content: center; flex-wrap: wrap; }
.stat { display: flex; flex-direction: column; }
.stat-num { font-size: clamp(2rem, 5vw, 3rem); font-weight: 700; color: #fff; }
.stat-num::after { content: "+"; color: var(--accent); }
.stat-label { font-size: 0.75rem; letter-spacing: 0.18em; text-transform: uppercase; color: var(--ink-dim); }
.summit-sub { margin-top: 1.8rem; font-size: 0.85rem; color: var(--ink-dim); letter-spacing: 0.08em; }

/* ---------- Balsa ---------- */
#raft-banner {
  position: fixed;
  z-index: 35;
  bottom: 6rem;
  left: 50%;
  transform: translateX(-50%);
  background: var(--panel);
  border: 1px solid var(--panel-border);
  border-radius: 999px;
  padding: 0.6rem 1.5rem;
  font-size: 0.9rem;
  letter-spacing: 0.08em;
  animation: bob 2s ease-in-out infinite;
}

@media (max-width: 640px) {
  #trail-map-wrap { transform: scale(0.78); transform-origin: top right; }
  #card { bottom: 1rem; padding: 1.1rem 1.2rem; }
}