:root{
  --parchment:#F7F5F0;
  --card:#FFFFFF;
  --charcoal:#1C1C1C;
  --stone:#605F5B;
  --terracotta:#AC432F;
  --terracotta-soft:#C25F4B;
  --navy:#102A43;
  --route-blue:#1976D2;
  --line: rgba(28,28,28,0.10);

  --display: 'Playfair Display', Georgia, serif;
  --body: 'Inter', -apple-system, sans-serif;
  --mono: 'JetBrains Mono', monospace;

  --max: 1180px;
}

*{margin:0;padding:0;box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  background:var(--parchment);
  color:var(--charcoal);
  font-family:var(--body);
  line-height:1.55;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
a{color:inherit; text-decoration:none;}
img,svg{display:block; max-width:100%;}

@media (prefers-reduced-motion: reduce){
  *{animation-duration:0.01ms !important; animation-iteration-count:1 !important; transition-duration:0.01ms !important; scroll-behavior:auto !important;}
}

/* ---------- utility ---------- */
.wrap{max-width:var(--max); margin:0 auto; padding:0 32px;}
.eyebrow{
  font-family:var(--mono); font-size:12.5px; letter-spacing:0.06em;
  color:var(--terracotta); text-transform:uppercase;
  display:flex; align-items:center; gap:10px; margin-bottom:18px;
}
.eyebrow::before{
  content:''; width:7px; height:7px; border-radius:50%;
  background:var(--terracotta); box-shadow:0 0 0 4px rgba(172,67,47,0.15);
}
.reveal{opacity:0; transform:translateY(24px); transition:opacity 0.8s ease, transform 0.8s ease;}
.reveal.is-visible{opacity:1; transform:translateY(0);}

/* ---------- route line ---------- */
#route-svg{position:absolute; top:0; left:0; width:100%; height:100%; pointer-events:none; z-index:0;}
#route-path{fill:none; stroke:var(--terracotta); stroke-width:2; stroke-linecap:round; stroke-dasharray:1; stroke-dashoffset:1; opacity:0.55;}

/* ---------- nav ---------- */
header{
  position:fixed; top:0; left:0; right:0; z-index:100;
  background:rgba(247,245,240,0.82); backdrop-filter:blur(10px);
  border-bottom:1px solid transparent; transition:border-color 0.3s ease;
}
header.scrolled{border-bottom-color:var(--line);}
nav{max-width:var(--max); margin:0 auto; padding:18px 32px; display:flex; align-items:center; justify-content:space-between; position:relative; z-index:110;}
.logo{font-family:var(--display); font-weight:700; font-size:22px; display:flex; align-items:center; gap:8px;}
.logo-dot{width:7px; height:7px; border-radius:50%; background:var(--terracotta);}

.nav-links{position:relative; display:flex; align-items:center; gap:20px; font-size:13.5px; font-weight:500; white-space:nowrap;}
.nav-links a{position:relative; z-index:2; opacity:0.72; transition:opacity 0.2s, color 0.2s; padding:6px 2px; white-space:nowrap;}
.nav-links a:hover{opacity:1;}
.nav-links a.active{opacity:1; color:var(--terracotta);}
.nav-indicator{
  position:absolute; bottom:-2px; height:2px; background:var(--terracotta);
  border-radius:2px; left:0; width:0; opacity:0;
  transition:left 0.35s cubic-bezier(.65,0,.35,1), width 0.35s cubic-bezier(.65,0,.35,1), opacity 0.25s ease;
}
.nav-cta-mobile{display:none;}

.nav-cta{font-size:13.5px; font-weight:600; font-family:var(--mono); border:1px solid var(--charcoal); padding:9px 18px; border-radius:100px; transition:background 0.2s, color 0.2s; white-space:nowrap;}
.nav-cta:hover{background:var(--charcoal); color:var(--parchment);}

/* hamburger */
.nav-toggle{display:none; flex-direction:column; justify-content:center; gap:5px; width:36px; height:36px; background:none; border:none; cursor:pointer; padding:0;}
.nav-toggle span{width:22px; height:2px; background:var(--charcoal); transition:transform 0.3s ease, opacity 0.3s ease; display:block;}
.nav-toggle.open span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.nav-toggle.open span:nth-child(2){opacity:0;}
.nav-toggle.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}

.nav-backdrop{
  position:fixed; inset:0; background:rgba(16,42,67,0.35); backdrop-filter:blur(2px);
  opacity:0; pointer-events:none; transition:opacity 0.3s ease; z-index:103;
}
.nav-backdrop.open{opacity:1; pointer-events:auto;}

@media (max-width:1180px){
  .nav-toggle{
    display:flex; align-items:center; width:44px; height:44px;
    margin-right:-6px; position:relative; z-index:106; touch-action:manipulation;
  }
  .nav-toggle span{width:24px; transform-origin:center;}
  .nav-cta{display:none;}
  .nav-indicator{display:none;}
  .nav-backdrop{
    position:fixed; inset:0; width:100vw; min-height:100vh; min-height:100dvh;
    z-index:103;
  }

  .nav-links{
    position:fixed; top:0; right:0; bottom:0; width:min(88vw, 380px); max-width:380px;
    height:100vh; height:100dvh;
    background:var(--parchment); flex-direction:column; align-items:flex-start;
    padding:
      calc(92px + env(safe-area-inset-top))
      calc(26px + env(safe-area-inset-right))
      calc(36px + env(safe-area-inset-bottom))
      28px;
    gap:6px;
    box-shadow:-24px 0 60px rgba(16,42,67,0.18);
    transform:translateX(100%); transition:transform 0.4s cubic-bezier(.65,0,.35,1);
    z-index:104; overflow-y:auto; overscroll-behavior:contain;
  }
  .nav-links.open{transform:translateX(0);}
  .nav-links::before{
    content:'Menú'; font-family:var(--mono); font-size:11px; letter-spacing:0.08em; text-transform:uppercase;
    color:var(--stone); margin-bottom:10px; display:block;
  }
  .nav-links a{
    width:100%; min-height:48px; display:flex; align-items:center;
    font-family:var(--display); font-size:21px; font-weight:600; line-height:1.18;
    color:var(--navy); padding:12px 0; border-bottom:1px solid var(--line); opacity:1;
  }
  .nav-links a.active{color:var(--terracotta);}
  .nav-cta-mobile{
    display:flex; justify-content:center; align-items:center; text-align:center;
    width:100%; min-height:50px; white-space:normal; line-height:1.25;
    margin-top:22px; background:var(--terracotta); color:var(--parchment) !important;
    font-family:var(--body); font-size:15px; font-weight:600;
    padding:14px 18px; border-radius:100px; border-bottom:none !important;
  }
}

/* ---------- buttons ---------- */
.btn-primary{
  background:var(--terracotta); color:var(--parchment); font-weight:600; font-size:15px;
  padding:16px 30px; border-radius:100px; display:inline-flex; align-items:center; gap:10px;
  transition:transform 0.25s ease, background 0.25s ease;
  box-shadow:0 8px 24px -8px rgba(172,67,47,0.55);
}
.btn-primary:hover{transform:translateY(-2px); background:var(--terracotta-soft);}
.btn-ghost{font-family:var(--mono); font-size:13.5px; color:var(--navy); border-bottom:1px solid var(--navy); padding-bottom:3px; opacity:0.8; transition:opacity 0.2s;}
.btn-ghost:hover{opacity:1;}
.btn-light{background:var(--parchment); color:var(--navy); font-weight:600; font-size:14.5px; padding:14px 26px; border-radius:100px; display:inline-block; transition:transform 0.25s ease;}
.btn-light:hover{transform:translateY(-2px);}

/* ---------- generic section / page hero ---------- */
section{position:relative; padding:130px 0; z-index:1;}
.section-head{max-width:640px; margin-bottom:64px;}
h2{font-family:var(--display); font-weight:600; font-size:clamp(30px, 3.6vw, 46px); color:var(--navy); line-height:1.12;}
.section-lede{margin-top:16px; font-size:17px; color:var(--stone); max-width:560px;}

.page-hero{padding:168px 0 80px; position:relative;}
.page-hero h1{
  font-family:var(--display); font-weight:600; font-size:clamp(38px,5.6vw,64px);
  line-height:1.06; color:var(--navy); max-width:760px;
}
.page-hero h1 em{font-style:italic; color:var(--terracotta);}
.page-hero .hero-sub{margin-top:22px; font-size:18px; color:var(--stone); max-width:540px;}

/* ---------- tour cards (shared: home + recommendations style base) ---------- */
.tours-grid{display:grid; grid-template-columns:repeat(3,1fr); gap:24px;}
.tour-card{background:var(--card); border-radius:18px; overflow:hidden; border:1px solid var(--line); transition:transform 0.35s ease, box-shadow 0.35s ease;}
.tour-card:hover{transform:translateY(-6px); box-shadow:0 30px 50px -30px rgba(16,42,67,0.35);}
.tour-art{height:190px; position:relative; overflow:hidden; background-size:cover; background-position:center;}
.tour-art svg{width:100%; height:100%;}
.tour-card-body{padding:26px;}
.tour-tag{font-family:var(--mono); font-size:11px; color:var(--terracotta); letter-spacing:0.04em; text-transform:uppercase;}
.tour-card h3{font-family:var(--display); font-size:22px; font-weight:600; color:var(--navy); margin:10px 0 8px;}
.tour-card p{font-size:14px; color:var(--stone);}
.tour-meta{margin-top:18px; padding-top:16px; border-top:1px solid var(--line); display:flex; justify-content:space-between; font-family:var(--mono); font-size:11.5px; color:var(--stone);}
@media (max-width:900px){ .tours-grid{grid-template-columns:1fr;} }

.tours-state{font-family:var(--mono); font-size:13px; color:var(--stone); padding:40px 0;}

/* ---------- institutions-style dark panel (reused for CTAs) ---------- */
.panel-dark{background:var(--navy); color:var(--parchment); border-radius:28px; padding:80px 64px;}
.panel-dark h2{color:var(--parchment);}
.panel-dark .section-lede{color:rgba(247,245,240,0.7);}
.panel-eyebrow{color:#E8A796;}
.panel-eyebrow::before{background:#E8A796; box-shadow:0 0 0 4px rgba(232,167,150,0.15);}
@media (max-width:900px){ .panel-dark{padding:52px 32px;} }

/* ---------- footer ---------- */
footer{border-top:1px solid var(--line); padding:80px 0 40px;}
.footer-top{display:flex; justify-content:space-between; align-items:flex-start; gap:40px; flex-wrap:wrap; margin-bottom:60px;}
.footer-title{font-family:var(--display); font-weight:600; font-size:clamp(28px,4vw,42px); color:var(--navy); max-width:480px;}
.footer-contacts{display:flex; flex-direction:column; gap:10px; font-family:var(--mono); font-size:14px;}
.footer-contacts a{color:var(--terracotta);}
.footer-bottom{display:flex; justify-content:space-between; align-items:center; padding-top:28px; border-top:1px solid var(--line); font-size:13px; color:var(--stone); flex-wrap:wrap; gap:12px;}
.footer-bottom a{opacity:0.8;}
.footer-bottom a:hover{opacity:1; color:var(--terracotta);}
.legal-links{display:flex; gap:22px;}

@media (max-width:600px){
  section{padding:88px 0;}
  .page-hero{padding:140px 0 60px;}
  .panel-dark{padding:44px 24px;}
}