:root {
    --primary: #1a1a1a;
    --secondary: #f5f5f5;
    --accent: #ff6b35;
    --text: #2d2d2d;
    --text-light: #6b6b6b;
    --white: #ffffff;
    --border: #e0e0e0;
    --shadow: rgba(0,0,0,0.08);
}

* { margin:0; padding:0; box-sizing:border-box; }
body { font-family:'DM Sans',sans-serif; color:var(--text); line-height:1.6; overflow-x:hidden; background:var(--white); }
.container { max-width:1200px; margin:0 auto; padding:0 2rem; }

/* Header */
header { position:fixed; top:0; left:0; right:0; background:rgba(255,255,255,0.95); backdrop-filter:blur(10px); z-index:1000; border-bottom:1px solid var(--border); animation:slideDown 0.6s ease; }
@keyframes slideDown { from{transform:translateY(-100%);opacity:0} to{transform:translateY(0);opacity:1} }
nav { display:flex; justify-content:space-between; align-items:center; padding:1.5rem 2rem; max-width:1200px; margin:0 auto; }
.logo { font-family:'Outfit',sans-serif; font-size:1.5rem; font-weight:700; color:var(--primary); letter-spacing:-0.5px; text-decoration:none; }
.nav-links { display:flex; gap:2.5rem; list-style:none; }
.nav-links a { color:var(--text); text-decoration:none; font-weight:500; font-size:0.95rem; transition:color 0.3s; position:relative; }
.nav-links a::after { content:''; position:absolute; bottom:-5px; left:0; width:0; height:2px; background:var(--accent); transition:width 0.3s; }
.nav-links a:hover { color:var(--accent); }
.nav-links a:hover::after { width:100%; }
.mobile-menu { display:none; flex-direction:column; gap:5px; cursor:pointer; }
.mobile-menu span { width:25px; height:2px; background:var(--primary); transition:0.3s; }

/* Buttons */
.btn { padding:1rem 2.5rem; font-size:1rem; font-weight:600; border:none; border-radius:50px; cursor:pointer; text-decoration:none; display:inline-flex; align-items:center; gap:0.5rem; transition:all 0.3s; }
.btn-primary { background:var(--accent); color:var(--white); box-shadow:0 10px 30px rgba(255,107,53,0.3); }
.btn-primary:hover { transform:translateY(-2px); box-shadow:0 15px 40px rgba(255,107,53,0.4); }
.btn-secondary { background:var(--white); color:var(--primary); border:2px solid var(--border); }
.btn-secondary:hover { border-color:var(--accent); color:var(--accent); transform:translateY(-2px); }

/* Hero */
.hero { margin-top:80px; padding:8rem 0 6rem; background:linear-gradient(135deg,#fafafa 0%,#f0f0f0 100%); position:relative; overflow:hidden; }
.hero::before { content:''; position:absolute; top:-50%; right:-10%; width:600px; height:600px; background:radial-gradient(circle,rgba(255,107,53,0.1) 0%,transparent 70%); border-radius:50%; animation:float 8s ease-in-out infinite; }
@keyframes float { 0%,100%{transform:translateY(0) rotate(0deg)} 50%{transform:translateY(-30px) rotate(5deg)} }
.hero-content { position:relative; z-index:2; animation:fadeInUp 0.8s ease 0.2s both; }
@keyframes fadeInUp { from{opacity:0;transform:translateY(30px)} to{opacity:1;transform:translateY(0)} }
.hero h1 { font-family:'Outfit',sans-serif; font-size:4rem; font-weight:700; line-height:1.1; margin-bottom:1.5rem; color:var(--primary); letter-spacing:-2px; }
.hero p { font-size:1.25rem; color:var(--text-light); max-width:600px; margin-bottom:2.5rem; }
.cta-buttons { display:flex; gap:1rem; flex-wrap:wrap; }

/* Section titles */
.section-title { font-family:'Outfit',sans-serif; font-size:2.5rem; font-weight:700; text-align:center; margin-bottom:4rem; color:var(--primary); letter-spacing:-1px; }

/* Services */
.services { padding:6rem 0; }
.services-grid { display:grid; grid-template-columns:repeat(auto-fit,minmax(260px,1fr)); gap:2rem; }
.service-card { background:var(--white); padding:2.5rem; border-radius:20px; border:1px solid var(--border); transition:all 0.4s cubic-bezier(0.4,0,0.2,1); position:relative; overflow:hidden; display:flex; flex-direction:column; }
.service-card::before { content:''; position:absolute; top:0; left:0; width:100%; height:4px; background:var(--accent); transform:scaleX(0); transform-origin:left; transition:transform 0.4s; }
.service-card:hover { transform:translateY(-8px); box-shadow:0 20px 50px var(--shadow); }
.service-card:hover::before { transform:scaleX(1); }
.service-icon { font-size:2.5rem; margin-bottom:1.5rem; display:block; }
.service-card h3 { font-family:'Outfit',sans-serif; font-size:1.5rem; font-weight:600; margin-bottom:1rem; color:var(--primary); }
.service-card p { color:var(--text-light); font-size:0.95rem; line-height:1.7; margin-bottom:1.5rem; }
.service-btn { background:var(--accent); color:var(--white); border:none; padding:0.75rem 1.5rem; border-radius:25px; font-weight:600; font-size:0.9rem; cursor:pointer; transition:all 0.3s; width:100%; margin-top:auto; text-decoration:none; text-align:center; display:block; }
.service-btn:hover { transform:translateY(-2px); box-shadow:0 8px 20px rgba(255,107,53,0.3); }

/* Calculator */
.calculator { padding:6rem 0; background:var(--secondary); }
.calculator-container { background:var(--white); border-radius:30px; padding:3rem; max-width:800px; margin:0 auto; box-shadow:0 20px 60px var(--shadow); }
.calculator-group { margin-bottom:2.5rem; }
.calculator-group > label { display:block; font-weight:600; margin-bottom:1rem; color:var(--primary); font-size:1.1rem; }
.slider-container { position:relative; padding:1rem 0; }
input[type="range"] { width:100%; height:8px; border-radius:5px; background:linear-gradient(to right,var(--accent) 0%,var(--border) 0%); outline:none; -webkit-appearance:none; }
input[type="range"]::-webkit-slider-thumb { -webkit-appearance:none; width:24px; height:24px; border-radius:50%; background:var(--accent); cursor:pointer; box-shadow:0 4px 12px rgba(255,107,53,0.4); transition:all 0.3s; }
input[type="range"]::-webkit-slider-thumb:hover { transform:scale(1.2); }
input[type="range"]::-moz-range-thumb { width:24px; height:24px; border-radius:50%; background:var(--accent); cursor:pointer; border:none; box-shadow:0 4px 12px rgba(255,107,53,0.4); }
.slider-value { font-size:1.5rem; font-weight:700; color:var(--accent); text-align:right; margin-top:0.5rem; }
.radio-group { display:flex; flex-direction:column; gap:1rem; }
.radio-option { display:flex; align-items:center; padding:1rem 1.5rem; border:2px solid var(--border); border-radius:12px; cursor:pointer; transition:all 0.3s; }
.radio-option:hover { border-color:var(--accent); background:rgba(255,107,53,0.05); }
.radio-option input[type="radio"] { margin-right:1rem; width:20px; height:20px; accent-color:var(--accent); cursor:pointer; }
.radio-option.selected { border-color:var(--accent); background:rgba(255,107,53,0.1); }
.number-input-group { display:flex; align-items:center; gap:1rem; margin-top:1rem; flex-wrap:wrap; }
.number-input-group input[type="number"] { width:80px; padding:0.75rem; border:2px solid var(--border); border-radius:10px; font-size:1rem; font-weight:600; text-align:center; transition:border-color 0.3s; }
.number-input-group input[type="number"]:focus { outline:none; border-color:var(--accent); }
.total-price { background:linear-gradient(135deg,var(--accent) 0%,#ff8555 100%); color:var(--white); padding:2.5rem; border-radius:20px; text-align:center; margin-top:3rem; box-shadow:0 15px 40px rgba(255,107,53,0.3); }
.total-price h3 { font-family:'Outfit',sans-serif; font-size:1.2rem; font-weight:600; margin-bottom:0.5rem; opacity:0.9; }
.total-price .price { font-family:'Outfit',sans-serif; font-size:3.5rem; font-weight:700; letter-spacing:-2px; }
.total-price .note { font-size:0.9rem; opacity:0.8; margin-top:1rem; }
.toggle-switch { position:relative; width:60px; height:30px; flex-shrink:0; }
.toggle-slider { position:absolute; cursor:pointer; top:0; left:0; right:0; bottom:0; background-color:var(--border); border-radius:30px; transition:0.3s; pointer-events:none; }
.toggle-slider:before { position:absolute; content:""; height:22px; width:22px; left:4px; bottom:4px; background-color:white; border-radius:50%; transition:0.3s; }

/* Info block (SEO text) */
.info-block { max-width:800px; margin:2rem auto 0; }
.info-block .inner { background:var(--white); border-radius:20px; border:1px solid var(--border); padding:2rem; }
.info-block h3 { font-family:'Outfit',sans-serif; font-size:1.3rem; margin-bottom:1rem; color:var(--primary); }
.info-block p { color:var(--text-light); font-size:0.95rem; line-height:1.8; margin-bottom:1rem; }
.info-block p:last-child { margin-bottom:0; }

/* Contact */
.contact { padding:6rem 0; }
.contact-container { text-align:center; }
.contact-buttons { display:flex; justify-content:center; gap:1.5rem; margin-top:3rem; flex-wrap:wrap; }
.contact-btn { display:inline-flex; align-items:center; gap:1rem; padding:1.5rem 3rem; font-size:1.1rem; font-weight:600; text-decoration:none; border-radius:50px; transition:all 0.3s; }
.whatsapp-btn { background:#25D366; color:var(--white); box-shadow:0 10px 30px rgba(37,211,102,0.3); }
.whatsapp-btn:hover { transform:translateY(-3px); box-shadow:0 15px 40px rgba(37,211,102,0.4); }
.phone-btn { background:var(--primary); color:var(--white); box-shadow:0 10px 30px rgba(26,26,26,0.2); }
.phone-btn:hover { transform:translateY(-3px); box-shadow:0 15px 40px rgba(26,26,26,0.3); }
.contact-icon { font-size:1.5rem; }

/* Footer */
footer { background:var(--primary); color:var(--white); padding:3rem 0; text-align:center; }
footer p { opacity:0.8; font-size:0.95rem; }
footer .footer-legal { opacity:0.7; font-size:0.85rem; line-height:1.8; max-width:900px; margin:1rem auto 0; }

/* Card payment icons */
.payment-icons { display:flex; gap:0.5rem; align-items:center; }
.payment-note { margin-top:1rem; padding-top:1rem; border-top:1px solid rgba(255,255,255,0.2); display:flex; align-items:center; justify-content:center; gap:0.5rem; flex-wrap:wrap; font-size:0.9rem; opacity:0.8; }

/* Responsive */
@media (max-width:768px) {
    .nav-links { display:none; }
    .mobile-menu { display:flex; }
    .hero { padding:4rem 0 3rem; }
    .hero h1 { font-size:2.5rem; }
    .hero p { font-size:1.1rem; }
    .section-title { font-size:2rem; }
    .services-grid { grid-template-columns:1fr; }
    .calculator-container { padding:2rem 1.5rem; }
    .total-price .price { font-size:2.5rem; }
    .contact-buttons { flex-direction:column; align-items:center; }
    .contact-btn { width:100%; max-width:300px; justify-content:center; }
    .cta-buttons { flex-direction:column; }
    .btn { justify-content:center; }
}