/* ========================================
   ICY BLUE THEME - Everfrost Technical Services
   ======================================== */
*{margin:0;padding:0;box-sizing:border-box}
:root{
    --primary:#0a4d7a;
    --primary-dark:#062d4a;
    --primary-light:#1a6fa0;
    --secondary:#e3f0fa;
    --accent:#00b4d8;
    --accent-light:#90e0ef;
    --ice:#caf0f8;
    --glacier:#ade8f4;
    --snow:#ffffff;
    --danger:#dc3545;
    --whatsapp:#25D366;
    --gray:#6c757d;
    --dark:#0a1628;
    --text:#1a2a4a;
    --shadow:0 5px 30px rgba(0,50,80,0.15);
    --shadow-hover:0 15px 45px rgba(0,50,80,0.25);
    --radius:12px;
    --transition:all 0.3s cubic-bezier(0.4,0,0.2,1);
}
html{scroll-behavior:smooth}
body{font-family:"Inter",-apple-system,BlinkMacSystemFont,sans-serif;color:var(--text);line-height:1.6;background:var(--snow)}
.container{max-width:1200px;margin:0 auto;padding:0 20px}
/* Typography */
h1{font-size:clamp(2.5rem,5vw,4rem);font-weight:900;letter-spacing:-0.02em}
h2{font-size:clamp(2rem,3.5vw,2.8rem);font-weight:800;letter-spacing:-0.01em}
h3{font-size:clamp(1.3rem,2vw,1.6rem);font-weight:700}
.section-header{text-align:center;margin-bottom:3.5rem}
.section-header h2{position:relative;display:inline-block;padding-bottom:0.75rem}
.section-header h2::after{content:"";position:absolute;bottom:0;left:50%;transform:translateX(-50%);width:80px;height:4px;background:linear-gradient(90deg,var(--accent),var(--primary));border-radius:2px}
.section-header p{color:var(--gray);margin-top:0.5rem;font-size:1.1rem}
/* Buttons */
.btn{display:inline-flex;align-items:center;gap:10px;padding:14px 32px;border-radius:50px;font-weight:600;font-size:1rem;border:none;cursor:pointer;transition:var(--transition);text-decoration:none;letter-spacing:0.3px}
.btn-primary{background:linear-gradient(135deg,var(--primary),var(--primary-light));color:var(--snow);box-shadow:0 4px 15px rgba(10,77,122,0.3)}
.btn-primary:hover{transform:translateY(-3px);box-shadow:0 8px 30px rgba(10,77,122,0.4)}
.btn-secondary{background:linear-gradient(135deg,var(--accent),var(--primary-light));color:var(--snow);box-shadow:0 4px 15px rgba(0,180,216,0.3)}
.btn-secondary:hover{transform:translateY(-3px);box-shadow:0 8px 30px rgba(0,180,216,0.4)}
.btn-whatsapp{background:linear-gradient(135deg,#25D366,#128C7E);color:var(--snow);box-shadow:0 4px 15px rgba(37,211,102,0.3)}
.btn-whatsapp:hover{transform:translateY(-3px);box-shadow:0 8px 30px rgba(37,211,102,0.4)}
.btn-outline{background:transparent;color:var(--snow);border:2px solid var(--snow);backdrop-filter:blur(10px)}
.btn-outline:hover{background:var(--snow);color:var(--primary);transform:translateY(-3px)}
.btn-emergency{background:linear-gradient(135deg,#ff4444,#cc0000);color:var(--snow);animation:pulse 2s infinite;box-shadow:0 4px 15px rgba(220,53,69,0.3)}
.btn-emergency:hover{transform:translateY(-3px)}
@keyframes pulse{0%{box-shadow:0 0 0 0 rgba(220,53,69,0.4)}70%{box-shadow:0 0 0 20px rgba(220,53,69,0)}100%{box-shadow:0 0 0 0 rgba(220,53,69,0)}}
/* Floating particles animation */
@keyframes floatUp{0%{transform:translateY(0) rotate(0deg);opacity:0.6}50%{opacity:1}100%{transform:translateY(-100vh) rotate(720deg);opacity:0}}
@keyframes shimmer{0%{background-position:-200% center}100%{background-position:200% center}}
/* Header */
.header{position:fixed;top:0;left:0;width:100%;z-index:1000;background:rgba(255,255,255,0.92);backdrop-filter:blur(20px);border-bottom:1px solid rgba(0,180,216,0.1);transition:var(--transition)}
.header.scrolled{background:rgba(255,255,255,0.98);box-shadow:0 2px 30px rgba(0,50,80,0.1)}
.navbar{display:flex;align-items:center;justify-content:space-between;padding:12px 0}
.logo a{display:flex;align-items:center;gap:10px;font-size:1.5rem;font-weight:800;color:var(--primary)}
.logo i{font-size:2rem;background:linear-gradient(135deg,var(--accent),var(--primary));-webkit-background-clip:text;-webkit-text-fill-color:transparent}
.logo .logo-sub{font-weight:400;font-size:0.65rem;color:var(--gray);display:block;margin-top:-2px;letter-spacing:2px;text-transform:uppercase;-webkit-text-fill-color:var(--gray)}
.nav-menu{display:flex;align-items:center;gap:4px}
.nav-menu a{padding:8px 16px;border-radius:8px;font-weight:500;font-size:0.9rem;color:var(--text);transition:var(--transition)}
.nav-menu a:hover,.nav-menu a.active{background:linear-gradient(135deg,var(--ice),var(--glacier));color:var(--primary)}
.nav-actions{display:flex;align-items:center;gap:15px}
.btn-phone{display:flex;align-items:center;gap:8px;padding:10px 20px;background:linear-gradient(135deg,var(--primary),var(--primary-light));color:var(--snow);border-radius:50px;font-weight:600;font-size:0.9rem;box-shadow:0 4px 15px rgba(10,77,122,0.2)}
.btn-phone:hover{transform:translateY(-2px)}
.hamburger{display:none;flex-direction:column;gap:5px;cursor:pointer;padding:5px}
.hamburger span{width:28px;height:3px;background:var(--primary);border-radius:2px;transition:var(--transition)}
.hamburger.active span:nth-child(1){transform:rotate(45deg) translate(5px,6px)}
.hamburger.active span:nth-child(2){opacity:0}
.hamburger.active span:nth-child(3){transform:rotate(-45deg) translate(5px,-6px)}
/* Hero Section - Icy Blue */
.hero{position:relative;min-height:100vh;display:flex;align-items:center;padding-top:80px;background:linear-gradient(135deg,#0a1628 0%,#0a4d7a 40%,#1a6fa0 70%,#00b4d8 100%);color:var(--snow);overflow:hidden}
.hero::before{content:"";position:absolute;inset:0;background:radial-gradient(circle at 20% 50%,rgba(0,180,216,0.2),transparent 60%),radial-gradient(circle at 80% 20%,rgba(10,77,122,0.3),transparent 50%);pointer-events:none}
.hero .snowflake-bg{position:absolute;inset:0;pointer-events:none;overflow:hidden}
.hero .snowflake-bg span{position:absolute;display:block;color:rgba(255,255,255,0.1);font-size:2rem;animation:floatUp linear infinite}
.hero-content{position:relative;z-index:1;max-width:750px}
.hero h1{color:var(--snow);margin-bottom:1.5rem;text-shadow:0 2px 30px rgba(0,0,0,0.2)}
.hero h1 .highlight{background:linear-gradient(135deg,var(--accent-light),var(--snow));-webkit-background-clip:text;-webkit-text-fill-color:transparent}
.hero p{font-size:1.2rem;opacity:0.92;margin-bottom:1rem;text-shadow:0 2px 10px rgba(0,0,0,0.15)}
.hero-sub{font-size:1.1rem;opacity:0.8;margin-bottom:2rem}
.hero-buttons{display:flex;flex-wrap:wrap;gap:15px}
/* Services */
.services-overview{padding:80px 0;background:linear-gradient(180deg,var(--snow),var(--ice))}
.services-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:30px}
.service-card{background:var(--snow);padding:35px 30px;border-radius:var(--radius);text-align:center;transition:var(--transition);box-shadow:var(--shadow);border:1px solid rgba(0,180,216,0.08);position:relative;overflow:hidden}
.service-card::before{content:"";position:absolute;top:0;left:0;right:0;height:4px;background:linear-gradient(90deg,var(--accent),var(--primary));opacity:0;transition:var(--transition)}
.service-card:hover::before{opacity:1}
.service-card:hover{transform:translateY(-10px);box-shadow:var(--shadow-hover)}
.service-card i{font-size:3.5rem;margin-bottom:1rem;background:linear-gradient(135deg,var(--accent),var(--primary));-webkit-background-clip:text;-webkit-text-fill-color:transparent}
.service-card h3{margin-bottom:0.5rem}
.service-card p{color:var(--gray);font-size:0.95rem}
/* Why Choose */
.why-choose{padding:80px 0;background:var(--snow)}
.benefits-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:30px}
.benefit-card{text-align:center;padding:35px 25px;border-radius:var(--radius);background:linear-gradient(135deg,var(--ice),var(--snow));transition:var(--transition);border:1px solid rgba(0,180,216,0.1)}
.benefit-card:hover{transform:translateY(-8px);box-shadow:var(--shadow-hover)}
.benefit-icon{width:80px;height:80px;margin:0 auto 1.2rem;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,var(--ice),var(--glacier));border-radius:50%;font-size:2rem;color:var(--primary)}
.benefit-card h3{margin-bottom:0.5rem}
.benefit-card p{color:var(--gray);font-size:0.95rem}
/* Industries */
.industries{padding:80px 0;background:linear-gradient(180deg,var(--ice),var(--snow))}
.industries-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:30px}
.industry-item{background:var(--snow);padding:30px 25px;border-radius:var(--radius);text-align:center;transition:var(--transition);box-shadow:var(--shadow);border:1px solid rgba(0,180,216,0.08)}
.industry-item:hover{transform:translateY(-5px);box-shadow:var(--shadow-hover)}
.industry-item i{font-size:2.8rem;margin-bottom:1rem;background:linear-gradient(135deg,var(--accent),var(--primary));-webkit-background-clip:text;-webkit-text-fill-color:transparent}
.industry-item h3{margin-bottom:0.5rem}
.industry-item p{color:var(--gray);font-size:0.95rem}
/* Emergency */
.emergency{padding:80px 0;background:linear-gradient(135deg,#0a1628,#0a4d7a);color:var(--snow)}
.emergency-content{display:grid;grid-template-columns:1fr 1fr;gap:50px;align-items:center}
.emergency-text h2{color:var(--snow)}
.emergency-text ul{margin:1.5rem 0}
.emergency-text ul li{display:flex;align-items:center;gap:12px;margin-bottom:10px;font-size:1.05rem}
.emergency-text ul li i{color:var(--accent-light);font-size:1.3rem}
.emergency .ice-icon{background:rgba(255,255,255,0.05);border-radius:var(--radius);min-height:300px;display:flex;align-items:center;justify-content:center;font-size:6rem;color:var(--accent-light);border:2px solid rgba(255,255,255,0.08);backdrop-filter:blur(10px)}
/* Projects */
.recent-projects{padding:80px 0;background:var(--snow)}
.projects-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:25px}
.project-card{background:var(--snow);border-radius:var(--radius);overflow:hidden;transition:var(--transition);box-shadow:var(--shadow);border:1px solid rgba(0,180,216,0.08)}
.project-card:hover{transform:translateY(-8px);box-shadow:var(--shadow-hover)}
.project-card .project-img{height:200px;background:linear-gradient(135deg,var(--ice),var(--glacier));display:flex;align-items:center;justify-content:center;font-size:3.5rem;color:var(--primary)}
.project-card h3{padding:15px 20px;font-size:1rem;text-align:center}
/* Testimonials */
.testimonials{padding:80px 0;background:linear-gradient(180deg,var(--snow),var(--ice))}
.testimonials-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:30px}
.testimonial-card{background:var(--snow);padding:35px;border-radius:var(--radius);text-align:center;box-shadow:var(--shadow);border:1px solid rgba(0,180,216,0.08)}
.testimonial-card .stars{color:#f59f00;font-size:1.5rem;letter-spacing:3px;margin-bottom:1rem}
.testimonial-card p{font-style:italic;font-size:1.05rem;margin-bottom:1rem}
.testimonial-card .client{color:var(--gray);font-weight:500}
/* CTA */
.cta{padding:80px 0;background:linear-gradient(135deg,#0a1628,#0a4d7a);color:var(--snow);text-align:center;position:relative;overflow:hidden}
.cta::before{content:"";position:absolute;inset:0;background:radial-gradient(circle at 70% 30%,rgba(0,180,216,0.15),transparent 60%);pointer-events:none}
.cta h2{color:var(--snow)}
.cta p{font-size:1.2rem;opacity:0.9;margin-bottom:2rem}
.cta-buttons{display:flex;flex-wrap:wrap;justify-content:center;gap:15px}
/* Footer */
.footer{background:linear-gradient(180deg,#0a1628,#062d4a);color:rgba(255,255,255,0.8);padding:60px 0 20px;border-top:1px solid rgba(0,180,216,0.1)}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1.5fr;gap:40px;margin-bottom:40px}
.footer-about .footer-logo{display:flex;align-items:center;gap:10px;font-size:1.5rem;font-weight:800;color:var(--snow)}
.footer-about .footer-logo i{background:linear-gradient(135deg,var(--accent),var(--primary));-webkit-background-clip:text;-webkit-text-fill-color:transparent}
.footer-about .footer-logo-sub{font-weight:400;font-size:0.65rem;color:rgba(255,255,255,0.5);display:block;margin-top:-2px}
.footer-about p{margin-bottom:1.5rem;font-size:0.95rem}
.social-links{display:flex;gap:12px}
.social-links a{display:flex;align-items:center;justify-content:center;width:42px;height:42px;background:rgba(255,255,255,0.06);border-radius:50%;color:var(--snow);transition:var(--transition);border:1px solid rgba(255,255,255,0.05)}
.social-links a:hover{background:linear-gradient(135deg,var(--accent),var(--primary));transform:translateY(-3px)}
.footer h4{color:var(--snow);margin-bottom:1.2rem;font-size:1.1rem}
.footer-links ul,.footer-services ul{display:flex;flex-direction:column;gap:8px}
.footer-links a,.footer-services a{transition:var(--transition);font-size:0.95rem}
.footer-links a:hover,.footer-services a:hover{color:var(--accent);padding-left:5px}
.footer-contact p{display:flex;align-items:center;gap:10px;margin-bottom:10px;font-size:0.95rem}
.footer-contact i{width:20px;color:var(--accent)}
.footer-contact .emergency-hours{color:var(--danger)}
.footer-contact a:hover{color:var(--accent)}
.footer-bottom{border-top:1px solid rgba(255,255,255,0.05);padding-top:20px;text-align:center;font-size:0.9rem;color:rgba(255,255,255,0.5)}
/* Back to Top */
.back-to-top{position:fixed;bottom:30px;right:30px;width:50px;height:50px;background:linear-gradient(135deg,var(--primary),var(--accent));color:var(--snow);border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:1.2rem;box-shadow:var(--shadow);transition:var(--transition);opacity:0;visibility:hidden;transform:translateY(20px);z-index:999}
.back-to-top.visible{opacity:1;visibility:visible;transform:translateY(0)}
.back-to-top:hover{transform:translateY(-5px);box-shadow:var(--shadow-hover)}
/* Responsive */
@media(max-width:1024px){.footer-grid{grid-template-columns:1fr 1fr;gap:30px}.emergency-content{grid-template-columns:1fr}}
@media(max-width:768px){.hamburger{display:flex}.nav-menu{position:fixed;top:80px;left:-100%;width:100%;height:calc(100vh - 80px);background:var(--snow);flex-direction:column;padding:30px 20px;transition:var(--transition);overflow-y:auto;gap:5px}.nav-menu.active{left:0}.nav-menu a{padding:12px 20px;width:100%;font-size:1rem;border-radius:8px}.btn-phone{display:none}.hero{min-height:auto;padding:120px 0 60px}.hero-buttons{flex-direction:column;width:100%}.hero-buttons .btn{justify-content:center;width:100%}.services-grid,.benefits-grid,.industries-grid,.testimonials-grid{grid-template-columns:1fr}.projects-grid{grid-template-columns:1fr 1fr}.footer-grid{grid-template-columns:1fr;gap:30px}.section-header h2{font-size:1.8rem}.cta-buttons{flex-direction:column;align-items:center}.cta-buttons .btn{width:100%;max-width:350px;justify-content:center}}
@media(max-width:480px){.projects-grid{grid-template-columns:1fr}}