/* Medellín Day Trips — Style System */
:root {
  --color-primary: #2D6A4F;
  --color-accent: #D4A373;
  --color-dark: #1B4332;
  --color-light: #F0F7F4;
  --color-cta: #E76F51;
  --color-text: #1a1a1a;
  --color-text-muted: #6b7280;
  --color-white: #ffffff;
  --color-border: #e5e7eb;
  --font-display: 'DM Serif Display', Georgia, serif;
  --font-body: 'DM Sans', -apple-system, sans-serif;
  --radius: 12px;
  --radius-sm: 8px;
  --shadow-sm: 0 1px 3px rgba(0,0,0,.08);
  --shadow-md: 0 4px 16px rgba(0,0,0,.1);
  --shadow-lg: 0 8px 32px rgba(0,0,0,.12);
  --max-width: 1200px;
  --transition: .3s ease;
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body { font-family: var(--font-body); color: var(--color-text); line-height: 1.7; background: var(--color-white); overflow-x: hidden; }
.container { max-width: var(--max-width); margin: 0 auto; padding: 0 24px; }
h1, h2, h3, h4 { font-family: var(--font-display); line-height: 1.2; color: var(--color-dark); }
h1 { font-size: clamp(2.2rem, 5vw, 3.5rem); }
h2 { font-size: clamp(1.6rem, 3.5vw, 2.4rem); margin-bottom: 1rem; }
h3 { font-size: clamp(1.2rem, 2.5vw, 1.5rem); }
a { color: var(--color-primary); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--color-accent); }
img { max-width: 100%; height: auto; display: block; }

/* NAV */
.nav { position: fixed; top: 0; left: 0; right: 0; z-index: 1000; padding: 16px 0; transition: all var(--transition); background: transparent; }
.nav.scrolled { background: rgba(255,255,255,.95); backdrop-filter: blur(12px); box-shadow: var(--shadow-sm); padding: 10px 0; }
.nav-inner { display: flex; justify-content: space-between; align-items: center; }
.nav-logo { font-family: var(--font-display); font-size: 1.3rem; color: var(--color-white); font-weight: 700; }
.nav.scrolled .nav-logo { color: var(--color-dark); }
.nav-links { display: flex; gap: 28px; list-style: none; }
.nav-links a { color: rgba(255,255,255,.9); font-size: .95rem; font-weight: 500; }
.nav.scrolled .nav-links a { color: var(--color-text); }
.nav-links a:hover { color: var(--color-accent); }
.hamburger { display: none; flex-direction: column; gap: 5px; cursor: pointer; z-index: 1001; }
.hamburger span { width: 24px; height: 2px; background: var(--color-white); transition: var(--transition); }
.nav.scrolled .hamburger span { background: var(--color-dark); }

/* MOBILE NAV */
.mobile-overlay { display: none; position: fixed; inset: 0; background: var(--color-dark); z-index: 999; flex-direction: column; justify-content: center; align-items: center; gap: 32px; }
.mobile-overlay.active { display: flex; }
.mobile-overlay a { color: var(--color-white); font-family: var(--font-display); font-size: 1.8rem; }

/* HERO */
.hero { min-height: 85vh; display: flex; align-items: center; background: linear-gradient(135deg, var(--color-dark) 0%, var(--color-primary) 100%); position: relative; overflow: hidden; }
.hero::before { content: ''; position: absolute; inset: 0; background: radial-gradient(ellipse at 30% 50%, rgba(255,255,255,.06) 0%, transparent 70%); }
.hero-content { position: relative; z-index: 2; color: var(--color-white); max-width: 700px; }
.hero h1 { margin-bottom: 20px; color: var(--color-white); }
.hero p { font-size: 1.15rem; opacity: .9; margin-bottom: 32px; line-height: 1.8; }
.btn { display: inline-flex; align-items: center; gap: 8px; padding: 14px 32px; border-radius: var(--radius); font-weight: 600; font-size: 1rem; transition: all var(--transition); cursor: pointer; border: none; }
.btn-cta { background: var(--color-cta); color: var(--color-white); }
.btn-cta:hover { transform: translateY(-2px); box-shadow: 0 6px 20px rgba(0,0,0,.2); color: var(--color-white); }
.btn-outline { border: 2px solid rgba(255,255,255,.4); color: var(--color-white); background: transparent; }
.btn-outline:hover { border-color: var(--color-white); color: var(--color-white); }

/* SECTIONS */
.section { padding: 80px 0; }
.section-alt { background: var(--color-light); }
.section-header { text-align: center; max-width: 680px; margin: 0 auto 48px; }
.section-header p { color: var(--color-text-muted); font-size: 1.05rem; margin-top: 12px; }
.overline { display: inline-block; font-size: .8rem; font-weight: 700; text-transform: uppercase; letter-spacing: 2px; color: var(--color-primary); margin-bottom: 12px; }

/* CARDS */
.card-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); gap: 24px; }
.card { background: var(--color-white); border-radius: var(--radius); padding: 32px; box-shadow: var(--shadow-sm); border: 1px solid var(--color-border); transition: all var(--transition); }
.card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
.card h3 { margin-bottom: 12px; color: var(--color-primary); }
.card p { color: var(--color-text-muted); font-size: .95rem; }
.card-icon { width: 48px; height: 48px; border-radius: var(--radius-sm); background: var(--color-light); display: flex; align-items: center; justify-content: center; margin-bottom: 16px; font-size: 1.4rem; }

/* FAQ */
.faq-list { max-width: 780px; margin: 0 auto; }
.faq-item { border-bottom: 1px solid var(--color-border); }
.faq-q { display: flex; justify-content: space-between; align-items: center; padding: 20px 0; cursor: pointer; font-weight: 600; font-size: 1.05rem; gap: 16px; }
.faq-q::after { content: '+'; font-size: 1.5rem; color: var(--color-primary); flex-shrink: 0; transition: var(--transition); }
.faq-item.active .faq-q::after { content: '−'; }
.faq-a { max-height: 0; overflow: hidden; transition: max-height .4s ease; }
.faq-a-inner { padding: 0 0 20px; color: var(--color-text-muted); line-height: 1.8; }

/* CTA SECTION */
.cta-section { background: linear-gradient(135deg, var(--color-dark), var(--color-primary)); color: var(--color-white); text-align: center; padding: 80px 0; }
.cta-section h2 { color: var(--color-white); margin-bottom: 16px; }
.cta-section p { opacity: .9; margin-bottom: 32px; max-width: 560px; margin-left: auto; margin-right: auto; }

/* FOOTER */
.footer { background: var(--color-dark); color: rgba(255,255,255,.7); padding: 48px 0 24px; font-size: .9rem; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 40px; margin-bottom: 32px; }
.footer h4 { color: var(--color-white); font-size: 1rem; margin-bottom: 16px; }
.footer a { color: rgba(255,255,255,.7); }
.footer a:hover { color: var(--color-accent); }
.footer-links { display: flex; flex-direction: column; gap: 10px; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,.1); padding-top: 24px; display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 16px; }

/* REVEAL ANIMATION */
.reveal { opacity: 0; transform: translateY(24px); transition: opacity .6s ease, transform .6s ease; }
.reveal.visible { opacity: 1; transform: translateY(0); }

/* FORM */
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; max-width: 600px; margin: 0 auto; }
.form-grid .full { grid-column: 1 / -1; }
.form-input { width: 100%; padding: 14px 16px; border: 1px solid var(--color-border); border-radius: var(--radius-sm); font-family: var(--font-body); font-size: .95rem; transition: border-color var(--transition); }
.form-input:focus { outline: none; border-color: var(--color-primary); }
textarea.form-input { min-height: 120px; resize: vertical; }

/* BREADCRUMB */
.breadcrumb { padding: 12px 0; font-size: .85rem; color: var(--color-text-muted); }
.breadcrumb a { color: var(--color-primary); }

/* RESPONSIVE */
@media (max-width: 768px) {
  .nav-links { display: none; }
  .hamburger { display: flex; }
  .hero { min-height: 70vh; }
  .footer-grid { grid-template-columns: 1fr; gap: 24px; }
  .form-grid { grid-template-columns: 1fr; }
  .card-grid { grid-template-columns: 1fr; }
  .section { padding: 56px 0; }
}