/* ============================================
   Rhineland Adventure Guide — Style Sheet
   Independent Travel Guide · No Affiliation
   ============================================ */

:root {
  --primary: #2d6a4f;
  --primary-light: #40916c;
  --primary-dark: #1b4332;
  --accent: #d4a373;
  --accent-light: #e9c46a;
  --bg: #fafaf8;
  --bg-alt: #f0ede6;
  --text: #2b2b2b;
  --text-light: #5a5a5a;
  --text-muted: #8a8a8a;
  --white: #ffffff;
  --border: #e0ddd5;
  --shadow: 0 4px 24px rgba(0,0,0,.08);
  --shadow-lg: 0 12px 48px rgba(0,0,0,.12);
  --radius: 12px;
  --radius-sm: 8px;
  --transition: .3s ease;
  --max-w: 1200px;
  --nav-h: 72px;
}

/* ---- Reset ---- */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;font-size:16px}
body{font-family:'Segoe UI',system-ui,-apple-system,sans-serif;color:var(--text);background:var(--bg);line-height:1.7;overflow-x:hidden}
img{max-width:100%;height:auto;display:block}
a{color:var(--primary);text-decoration:none;transition:color var(--transition)}
a:hover{color:var(--accent)}
ul,ol{list-style:none}

/* ---- Utility ---- */
.container{max-width:var(--max-w);margin:0 auto;padding:0 24px}
.section{padding:80px 0}
.section-alt{background:var(--bg-alt)}
.text-center{text-align:center}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);border:0}

.fade-in{opacity:0;transform:translateY(30px);transition:opacity .6s ease,transform .6s ease}
.fade-in.visible{opacity:1;transform:translateY(0)}

/* ---- Typography ---- */
h1,h2,h3,h4{font-weight:700;line-height:1.25;color:var(--primary-dark)}
h1{font-size:clamp(2rem,5vw,3.2rem)}
h2{font-size:clamp(1.6rem,3.5vw,2.4rem);margin-bottom:16px}
h3{font-size:clamp(1.2rem,2.5vw,1.6rem);margin-bottom:12px}
h4{font-size:1.1rem}
p{margin-bottom:16px}
.section-subtitle{color:var(--text-light);font-size:1.1rem;max-width:680px;margin:0 auto 40px}
.badge{display:inline-flex;align-items:center;gap:6px;background:var(--accent);color:var(--white);padding:6px 16px;border-radius:50px;font-size:.85rem;font-weight:600}

/* ---- Navigation ---- */
.nav{position:fixed;top:0;left:0;right:0;height:var(--nav-h);background:rgba(255,255,255,.92);backdrop-filter:blur(12px);border-bottom:1px solid var(--border);z-index:1000;transition:box-shadow var(--transition)}
.nav.scrolled{box-shadow:var(--shadow)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;height:100%;max-width:var(--max-w);margin:0 auto;padding:0 24px}
.nav-brand{display:flex;align-items:center;gap:10px;font-size:1.2rem;font-weight:700;color:var(--primary-dark)}
.nav-brand i{width:28px;height:28px;color:var(--primary)}
.nav-links{display:flex;align-items:center;gap:28px}
.nav-links a{font-size:.95rem;font-weight:500;color:var(--text);transition:color var(--transition)}
.nav-links a:hover{color:var(--primary)}
#langBtn{background:var(--primary);color:var(--white);border:none;padding:8px 16px;border-radius:50px;font-size:.85rem;font-weight:600;cursor:pointer;transition:background var(--transition)}
#langBtn:hover{background:var(--primary-dark)}
.hamburger{display:none;flex-direction:column;gap:5px;background:none;border:none;cursor:pointer;padding:4px}
.hamburger span{display:block;width:24px;height:2px;background:var(--text);transition:var(--transition)}

/* ---- Hero ---- */
.hero{position:relative;height:85vh;min-height:500px;display:flex;align-items:center;justify-content:center;text-align:center;color:var(--white);margin-top:var(--nav-h);overflow:hidden}
.hero-bg{position:absolute;inset:0;background-size:cover;background-position:center;filter:brightness(.55)}
.hero-content{position:relative;z-index:2;max-width:800px;padding:0 24px}
.hero h1{color:var(--white);margin-bottom:16px;text-shadow:0 2px 12px rgba(0,0,0,.4)}
.hero p{font-size:1.2rem;opacity:.92;margin-bottom:24px}
.hero .location-tag{display:inline-flex;align-items:center;gap:8px;background:rgba(255,255,255,.18);backdrop-filter:blur(8px);padding:8px 20px;border-radius:50px;font-size:.95rem;margin-bottom:16px}
.hero .location-tag i{width:18px;height:18px}

/* ---- Stat Cards ---- */
.stats-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:24px;margin-top:40px}
.stat-card{background:var(--white);padding:32px 24px;border-radius:var(--radius);box-shadow:var(--shadow);text-align:center;transition:transform var(--transition)}
.stat-card:hover{transform:translateY(-4px)}
.stat-card i{width:32px;height:32px;color:var(--primary);margin-bottom:12px}
.stat-card .stat-number{font-size:2rem;font-weight:800;color:var(--primary-dark);display:block}
.stat-card .stat-label{font-size:.9rem;color:var(--text-light);margin-top:4px}

/* ---- Articles ---- */
.articles-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(340px,1fr));gap:28px}
.article-card{background:var(--white);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);transition:transform var(--transition),box-shadow var(--transition)}
.article-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg)}
.article-img{height:200px;overflow:hidden}
.article-img img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
.article-card:hover .article-img img{transform:scale(1.08)}
.article-body{padding:24px}
.article-body h3{margin-bottom:8px}
.article-body .article-meta{display:flex;align-items:center;gap:12px;font-size:.85rem;color:var(--text-muted);margin-bottom:12px}
.article-body .article-meta i{width:14px;height:14px}
.article-excerpt{color:var(--text-light);font-size:.95rem;margin-bottom:16px}
.article-full{display:none;color:var(--text-light);font-size:.95rem;line-height:1.8}
.article-full.open{display:block;margin-bottom:16px}
.read-more-btn{display:inline-flex;align-items:center;gap:6px;background:none;border:none;color:var(--primary);font-weight:600;cursor:pointer;font-size:.95rem;padding:0;transition:gap var(--transition)}
.read-more-btn:hover{gap:10px}
.read-more-btn i{width:16px;height:16px;transition:transform var(--transition)}
.read-more-btn.expanded i{transform:rotate(180deg)}

/* ---- Tips ---- */
.tips-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:24px}
.tip-card{background:var(--white);padding:28px;border-radius:var(--radius);box-shadow:var(--shadow);display:flex;gap:16px;align-items:flex-start;transition:transform var(--transition)}
.tip-card:hover{transform:translateY(-3px)}
.tip-icon{flex-shrink:0;width:48px;height:48px;background:var(--bg-alt);border-radius:var(--radius-sm);display:flex;align-items:center;justify-content:center}
.tip-icon i{width:24px;height:24px;color:var(--primary)}
.tip-card h4{margin-bottom:6px}
.tip-card p{font-size:.92rem;color:var(--text-light);margin:0}

/* ---- Seasonal ---- */
.seasons-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:24px}
.season-card{background:var(--white);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);transition:transform var(--transition)}
.season-card:hover{transform:translateY(-4px)}
.season-header{padding:24px;text-align:center}
.season-header i{width:36px;height:36px;margin-bottom:8px}
.season-header h3{margin-bottom:4px}
.season-body{padding:0 24px 24px}
.season-body p{font-size:.92rem;color:var(--text-light);margin:0}
.spring .season-header i{color:#6a994e}
.summer .season-header i{color:#e76f51}
.autumn .season-header i{color:#d4a373}
.winter .season-header i{color:#457b9d}

/* ---- Lead Form ---- */
.lead-section{background:linear-gradient(135deg,var(--primary-dark),var(--primary));color:var(--white);padding:80px 0}
.lead-section h2{color:var(--white)}
.lead-section .section-subtitle{color:rgba(255,255,255,.8)}
.lead-form{max-width:560px;margin:0 auto;background:var(--white);padding:40px;border-radius:var(--radius);box-shadow:var(--shadow-lg)}
.form-group{margin-bottom:20px}
.form-group label{display:block;font-size:.9rem;font-weight:600;color:var(--text);margin-bottom:6px}
.form-group input,.form-group select,.form-group textarea{width:100%;padding:12px 16px;border:1px solid var(--border);border-radius:var(--radius-sm);font-size:.95rem;font-family:inherit;transition:border-color var(--transition);background:var(--bg)}
.form-group input:focus,.form-group select:focus,.form-group textarea:focus{outline:none;border-color:var(--primary)}
.consent-group{display:flex;gap:10px;align-items:flex-start;margin-bottom:24px}
.consent-group input[type="checkbox"]{margin-top:4px;width:18px;height:18px;accent-color:var(--primary)}
.consent-group label{font-size:.85rem;color:var(--text-light);cursor:pointer}
.submit-btn{width:100%;padding:14px;background:var(--primary);color:var(--white);border:none;border-radius:var(--radius-sm);font-size:1rem;font-weight:600;cursor:pointer;transition:background var(--transition);display:flex;align-items:center;justify-content:center;gap:8px}
.submit-btn:hover{background:var(--primary-dark)}
.submit-btn i{width:18px;height:18px}
.form-success{display:none;text-align:center;padding:40px}
.form-success i{width:48px;height:48px;color:var(--primary);margin-bottom:16px}
.form-success h3{color:var(--primary-dark)}

/* ---- FAQ ---- */
.faq-list{max-width:800px;margin:0 auto}
.faq-item{border:1px solid var(--border);border-radius:var(--radius-sm);margin-bottom:12px;overflow:hidden;background:var(--white)}
.faq-question{display:flex;align-items:center;justify-content:space-between;padding:20px 24px;cursor:pointer;font-weight:600;font-size:1rem;background:none;border:none;width:100%;text-align:left;color:var(--text);transition:background var(--transition)}
.faq-question:hover{background:var(--bg-alt)}
.faq-question i{width:20px;height:20px;flex-shrink:0;transition:transform var(--transition);color:var(--primary)}
.faq-item.open .faq-question i{transform:rotate(180deg)}
.faq-answer{max-height:0;overflow:hidden;transition:max-height .4s ease,padding .4s ease}
.faq-answer-inner{padding:0 24px 20px;color:var(--text-light);font-size:.95rem;line-height:1.7}
.faq-item.open .faq-answer{max-height:400px}

/* ---- Footer ---- */
.footer{background:var(--primary-dark);color:rgba(255,255,255,.8);padding:60px 0 30px}
.footer-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:40px;margin-bottom:40px}
.footer h4{color:var(--white);margin-bottom:16px;font-size:1rem}
.footer a{color:rgba(255,255,255,.7);font-size:.92rem;display:block;margin-bottom:8px;transition:color var(--transition)}
.footer a:hover{color:var(--white)}
.footer-bottom{border-top:1px solid rgba(255,255,255,.15);padding-top:24px;display:flex;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:16px;font-size:.85rem}
.disclaimer{background:rgba(255,255,255,.08);padding:16px 24px;border-radius:var(--radius-sm);font-size:.82rem;color:rgba(255,255,255,.6);margin-top:24px;line-height:1.6}

/* ---- Legal Pages ---- */
.legal-page{margin-top:var(--nav-h);padding:60px 0}
.legal-page .container{max-width:800px}
.legal-page h1{margin-bottom:32px}
.legal-page h2{font-size:1.4rem;margin-top:32px;margin-bottom:12px}
.legal-page h3{font-size:1.15rem;margin-top:24px;margin-bottom:8px}
.legal-page p,.legal-page li{color:var(--text-light);font-size:.95rem}
.legal-page ul{padding-left:24px;margin-bottom:16px}
.legal-page ul li{list-style:disc;margin-bottom:8px}
.about-hero-img{margin:24px 0 32px;border-radius:var(--radius);overflow:hidden}
.about-hero-img img{width:100%;height:300px;object-fit:cover;display:block}

/* ---- Responsive ---- */
@media(max-width:1024px){
  .articles-grid{grid-template-columns:repeat(auto-fill,minmax(300px,1fr))}
}
@media(max-width:768px){
  :root{--nav-h:64px}
  .nav-links{position:fixed;top:var(--nav-h);left:0;right:0;background:var(--white);flex-direction:column;padding:24px;gap:20px;border-bottom:1px solid var(--border);transform:translateY(-120%);transition:transform var(--transition);box-shadow:var(--shadow)}
  .nav-links.open{transform:translateY(0)}
  .hamburger{display:flex}
  .hero{height:70vh;min-height:400px}
  .section{padding:60px 0}
  .articles-grid{grid-template-columns:1fr}
  .tips-grid{grid-template-columns:1fr}
  .seasons-grid{grid-template-columns:repeat(2,1fr)}
  .stats-grid{grid-template-columns:repeat(2,1fr)}
  .lead-form{padding:28px 20px}
  .footer-grid{grid-template-columns:repeat(2,1fr)}
  .footer-bottom{flex-direction:column;text-align:center}
}
@media(max-width:480px){
  .seasons-grid{grid-template-columns:1fr}
  .stats-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
}