.ice-cave-nav{position:fixed;top:0;left:0;right:0;background:rgba(255,255,255,.95);backdrop-filter:blur(15px);border-bottom:1px solid rgba(139,92,246,.1);z-index:1000;padding:1rem 0}.ice-cave-nav .container{display:flex;justify-content:space-between;align-items:center;max-width:1400px;margin:0 auto;padding:0 2rem}.nav-brand a{font-weight:600;color:#8b5cf6;text-decoration:none;font-size:1.1rem}.nav-links{display:flex;gap:2rem}.nav-links a{color:var(--gray);text-decoration:none;font-weight:500;padding:.5rem 1rem;border-radius:25px}.nav-links a .nav-links a.active{color:#8b5cf6;background:rgba(139,92,246,.1)}.ice-cave-hero{min-height:clamp(360px,58vh,620px);position:relative;display:flex;align-items:center;justify-content:center;text-align:center;overflow:hidden;padding:110px 0 64px;background:linear-gradient(135deg,#0f172a 0,#1e293b 30%,#334155 100%)}.hero-background{position:absolute;top:0;left:0;right:0;bottom:0;z-index:1}.ice-gradient{position:absolute;top:0;left:0;right:0;bottom:0;background:linear-gradient(to bottom,rgba(15,23,42,.3) 0,rgba(139,92,246,.25) 50%,rgba(15,23,42,.5) 100%)}.crystal-pattern{position:absolute;top:0;left:0;right:0;bottom:0;background-image:radial-gradient(circle at 20% 30%,rgba(255,255,255,.15) 2px,transparent 2px),radial-gradient(circle at 60% 70%,rgba(139,92,246,.1) 1px,transparent 1px),radial-gradient(circle at 80% 20%,rgba(6,182,212,.1) 1px,transparent 1px);background-size:80px 80px,120px 120px,60px 60px}.hero-content{position:relative;z-index:2;color:#fff;max-width:700px;padding:0 2rem}.hero-badge{display:inline-block;padding:.75rem 1.5rem;background:rgba(255,255,255,.2);border-radius:50px;font-size:.9rem;font-weight:600;margin-bottom:2rem;backdrop-filter:blur(10px);border:1px solid rgba(255,255,255,.3)}.hero-title{font-size:4rem;font-weight:900;line-height:1.1;margin-bottom:1.5rem;background:linear-gradient(45deg,#fff,#a5b4fc,#c4b5fd);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;text-shadow:0 4px 20px rgba(0,0,0,.3)}.hero-subtitle{font-size:1.4rem;font-weight:300;margin-bottom:2rem;opacity:.9;line-height:1.4}.hero-highlights{display:flex;justify-content:center;gap:2rem;flex-wrap:wrap}.hero-highlights span{padding:.5rem 1rem;background:rgba(255,255,255,.1);border-radius:25px;font-size:.9rem;backdrop-filter:blur(5px)}.ice-overview{padding:6rem 0;background:linear-gradient(135deg,#f8fafc 0,#e2e8f0 100%)}.overview-grid{display:grid;grid-template-columns:1fr 1fr;gap:4rem;align-items:center;max-width:1200px;margin:0 auto}.overview-text h2{font-size:2.5rem;font-weight:800;margin-bottom:1.5rem;background:linear-gradient(135deg,#1e293b,#8b5cf6);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.lead{font-size:1.2rem;color:var(--gray);margin-bottom:2.5rem;line-height:1.6}.key-facts{display:flex;flex-direction:column;gap:1.5rem}.fact{display:flex;align-items:center;gap:1rem;padding:1.5rem;background:#fff;border-radius:15px;box-shadow:0 4px 20px rgba(0,0,0,.06)}.fact-icon{font-size:2rem;width:60px;text-align:center}.overview-visual{background:#fff;border-radius:20px;padding:2rem;box-shadow:0 10px 40px rgba(0,0,0,.08)}.cave-diagram{text-align:center}.diagram-title{font-size:1.5rem;font-weight:700;margin-bottom:2rem;color:var(--dark)}.formation-steps{display:grid;gap:1.5rem}.step{display:flex;align-items:center;gap:1rem;padding:1rem;border-left:4px solid #8b5cf6;background:rgba(139,92,246,.05);border-radius:0 10px 10px 0}.step-number{display:flex;align-items:center;justify-content:center;width:35px;height:35px;background:linear-gradient(135deg,#8b5cf6,#7c3aed);color:#fff;border-radius:50%;font-weight:700}.step-text{font-weight:500;color:var(--dark)}.caves-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(350px,1fr));gap:2.5rem;max-width:1400px;margin:0 auto}.cave-card{background:#fff;border-radius:20px;overflow:hidden;box-shadow:0 10px 40px rgba(0,0,0,.08);border:1px solid rgba(226,232,240,.8);position:relative}.cave-card.featured{grid-column:span 2}.cave-image{height:200px;background:linear-gradient(135deg,#0f172a,#1e293b,#374151);position:relative;overflow:hidden}.cave-card.featured .cave-image{height:280px}.cave-placeholder{display:flex;align-items:center;justify-content:center;height:100%;color:#fff;font-size:1.3rem;font-weight:600;background:radial-gradient(circle at 30% 70%,rgba(139,92,246,.4) 0,transparent 60%),radial-gradient(circle at 70% 30%,rgba(6,182,212,.3) 0,transparent 50%),linear-gradient(135deg,#0f172a 0,#1e293b 40%,#334155 100%);position:relative}.cave-placeholder::before{content:'';position:absolute;top:0;left:0;right:0;bottom:0;background:linear-gradient(45deg,transparent 30%,rgba(255,255,255,.1) 50%,transparent 70%)}.cave-badge{position:absolute;top:1rem;left:1rem;background:linear-gradient(135deg,#f59e0b,#f97316);color:#fff;padding:.5rem 1rem;border-radius:20px;font-size:.8rem;font-weight:600}.cave-content{padding:2.5rem}.cave-content h3{font-size:1.6rem;font-weight:800;margin-bottom:.5rem;color:var(--dark)}.cave-location{color:#8b5cf6;font-weight:600;margin-bottom:1rem}.cave-details{margin:1.5rem 0;padding:1.5rem;background:rgba(139,92,246,.05);border-radius:15px;border-left:4px solid #8b5cf6}.detail{margin-bottom:.5rem;font-size:.9rem}.cave-highlights{display:flex;gap:.5rem;flex-wrap:wrap;margin-top:1rem}.cave-highlights span{padding:.25rem .75rem;background:rgba(139,92,246,.1);color:#7c3aed;border-radius:15px;font-size:.8rem;font-weight:500}.safety-note{margin-top:1.5rem;padding:1rem;background:rgba(245,158,11,.1);border:1px solid rgba(245,158,11,.2);border-radius:10px;font-size:.9rem}.year-round-caves{padding:6rem 0;background:#fff}.permanent-cave{background:#fff;border-radius:20px;padding:2.5rem;box-shadow:0 10px 40px rgba(0,0,0,.08);border:1px solid rgba(226,232,240,.8);margin-bottom:2rem}.cave-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:1.5rem}.availability{padding:.5rem 1rem;background:linear-gradient(135deg,#10b981,#059669);color:#fff;border-radius:20px;font-size:.8rem;font-weight:600}.cave-features{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:1.5rem;margin:2rem 0}.feature{display:flex;align-items:flex-start;gap:1rem}.feature-icon{font-size:1.5rem;width:40px;flex-shrink:0}.tunnel-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:2rem;margin:2rem 0}.stat{text-align:center;padding:1.5rem;background:rgba(139,92,246,.05);border-radius:15px}.stat-number{font-size:2rem;font-weight:800;color:#8b5cf6;display:block}.stat-label{font-size:.9rem;color:var(--gray);margin-top:.5rem}.planning-section{padding:6rem 0;background:linear-gradient(135deg,#f8fafc 0,#e2e8f0 100%)}.planning-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:2rem;max-width:1200px;margin:0 auto}.planning-card{background:#fff;border-radius:20px;padding:2.5rem;box-shadow:0 10px 40px rgba(0,0,0,.08);position:relative;overflow:hidden}.planning-card::before{content:'';position:absolute;top:0;left:0;right:0;height:4px;background:linear-gradient(90deg,#8b5cf6,#06b6d4,#10b981)}.planning-card h3{font-size:1.4rem;font-weight:700;margin-bottom:1.5rem;color:var(--dark)}.clothing-list,.photo-tips,.safety-tips,.season-info{display:flex;flex-direction:column;gap:1rem}.season{padding:1rem;background:rgba(139,92,246,.05);border-radius:10px;border-left:3px solid #8b5cf6}.clothing-item,.safety-item{display:flex;align-items:center;gap:1rem;padding:.75rem;background:rgba(6,182,212,.05);border-radius:10px}.item-icon,.safety-icon{font-size:1.2rem;width:30px;text-align:center}.tip{padding:1rem;background:rgba(16,185,129,.05);border-radius:10px;border-left:3px solid #10b981}.cta-section{padding:6rem 0;background:linear-gradient(135deg,#1e293b,#374151);color:#fff;text-align:center}.cta-content h2{font-size:2.5rem;font-weight:800;margin-bottom:1rem}.cta-content p{font-size:1.2rem;opacity:.9;margin-bottom:2.5rem}.cta-buttons{display:flex;justify-content:center;gap:1.5rem;flex-wrap:wrap}.btn-primary{padding:1rem 2rem;background:linear-gradient(135deg,#8b5cf6,#7c3aed);color:#fff;text-decoration:none;border-radius:50px;font-weight:700;box-shadow:0 4px 20px rgba(139,92,246,.3)}.btn-secondary{padding:1rem 2rem;background:0 0;color:#fff;border:2px solid rgba(255,255,255,.3);text-decoration:none;border-radius:50px;font-weight:600;backdrop-filter:blur(10px)}@media (max-width:768px){.hero-title{font-size:3rem}.hero-subtitle{font-size:1.1rem}.hero-highlights{flex-direction:column;gap:1rem}.ice-overview,.planning-section,.year-round-caves{padding:40px 16px}.cta-section{padding:40px 16px}.overview-text h2{font-size:1.4rem}.cave-content p,.lead,.permanent-cave p{font-size:.95rem}.cave-content h3{font-size:1.3rem}.diagram-title{font-size:1.2rem}.cta-content h2{font-size:1.4rem}.cta-content p{font-size:.95rem}.overview-grid{grid-template-columns:1fr;gap:3rem}.caves-grid{grid-template-columns:1fr}.cave-card.featured{grid-column:span 1}.planning-grid{grid-template-columns:1fr}.cave-features{grid-template-columns:1fr}.tunnel-stats{grid-template-columns:1fr;gap:1rem}.cave-card,.overview-visual,.permanent-cave,.planning-card{border-radius:16px}.cave-image{min-height:160px}.cave-card.featured .cave-image{min-height:200px}.cave-content,.permanent-cave,.planning-card{padding:1.5rem}table{display:block;overflow-x:auto;-webkit-overflow-scrolling:touch}.nav-links{display:none}.ice-cave-nav .container{justify-content:center}.cta-buttons{flex-direction:column;align-items:center}}@media (max-width:480px){.hero-title{font-size:2.5rem}.hero-subtitle{font-size:1.2rem}.cave-content,.permanent-cave,.planning-card{padding:2rem}}@media (prefers-reduced-motion:reduce){*,::after,::before{animation-duration:0s!important;animation-iteration-count:1!important;transition-duration:0s!important}}@media (prefers-contrast:high){.cave-card,.permanent-cave,.planning-card{border:2px solid}}