* { margin: 0; padding: 0; box-sizing: border-box; font-family: 'Open Sans', sans-serif; }
body { color: #2c3e50; line-height: 1.6; }
.container { max-width: 1100px; margin: 0 auto; padding: 0 20px; }
h1, h2, h3 { font-family: 'Montserrat', sans-serif; font-weight: 700; }
a { text-decoration: none; }

.navbar { background: #fff; padding: 15px 0; box-shadow: 0 2px 10px rgba(0,0,0,0.1); position: sticky; top: 0; z-index: 100; }
.nav-content { display: flex; justify-content: space-between; align-items: center; }
.logo { font-size: 1.2rem; font-weight: 800; color: #e67e22; display: flex; align-items: center; gap: 8px; }
.nav-menu { list-style: none; display: flex; gap: 25px; }
.nav-menu a { color: #333; font-weight: 600; transition: 0.3s; }
.nav-menu a:hover { color: #e67e22; }
.nav-phone { color: #333; font-weight: 700; display: flex; align-items: center; gap: 6px; }

.hero { 
    background: linear-gradient(135deg, #1a252f 0%, #2c3e50 40%, #34495e 100%); 
    color: #fff; 
    padding: 120px 0; 
    text-align: center; 
    position: relative; 
    overflow: hidden;
}
.hero::before {
    content: '';
    position: absolute;
    top: 0; left: 0; width: 100%; height: 100%;
    background: 
        radial-gradient(circle at 15% 50%, rgba(230, 126, 34, 0.15) 0%, transparent 50%),
        radial-gradient(circle at 85% 80%, rgba(230, 126, 34, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 50% 20%, rgba(255, 255, 255, 0.03) 0%, transparent 40%);
}
.hero::after {
    content: '';
    position: absolute;
    bottom: -2px; left: 0; width: 100%; height: 60px;
    background: linear-gradient(to top, #f8f9fa, transparent);
}
.hero-content { position: relative; z-index: 1; max-width: 800px; margin: 0 auto; }
.hero-badge { display: inline-flex; align-items: center; gap: 8px; background: rgba(255,255,255,0.1); padding: 8px 20px; border-radius: 50px; margin-bottom: 25px; font-weight: 600; font-size: 0.9rem; backdrop-filter: blur(10px); border: 1px solid rgba(255,255,255,0.15); }
.hero h1 { font-size: 2.8rem; margin-bottom: 20px; line-height: 1.2; }
.hero span { color: #e67e22; }
.hero p { font-size: 1.2rem; margin-bottom: 35px; opacity: 0.9; }

.btn { padding: 14px 30px; border-radius: 8px; cursor: pointer; border: none; font-weight: 600; transition: 0.3s; display: inline-flex; align-items: center; gap: 8px; font-size: 1rem; }
.btn-accent { background: #e67e22; color: #fff; }
.btn-accent:hover { background: #d35400; transform: translateY(-2px); box-shadow: 0 5px 20px rgba(230, 126, 34, 0.4); }
.btn-outline { border: 2px solid #fff; color: #fff; background: transparent; }
.btn-outline:hover { background: #fff; color: #2c3e50; }
.btn-secondary { background: #2c3e50; color: #fff; width: 100%; margin-top: 10px; }
.btn-secondary:hover { background: #34495e; }

.advantages, .catalog, .quiz-section { padding: 80px 0; }
.advantages { background: #f8f9fa; }
.section-title { text-align: center; margin-bottom: 50px; font-size: 2.2rem; }

.advantages-grid, .catalog-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 30px; }
.advantage-card { background: #fff; padding: 35px 25px; border-radius: 12px; box-shadow: 0 4px 15px rgba(0,0,0,0.05); text-align: center; transition: 0.3s; }
.advantage-card:hover { transform: translateY(-5px); box-shadow: 0 10px 30px rgba(0,0,0,0.1); }
.advantage-icon { width: 70px; height: 70px; background: #fff5eb; border-radius: 50%; display: flex; align-items: center; justify-content: center; margin: 0 auto 20px; font-size: 1.8rem; color: #e67e22; }
.advantage-card h3 { margin-bottom: 10px; }
.advantage-card p { color: #7f8c8d; font-size: 0.95rem; }

.catalog-card { background: #fff; border-radius: 12px; box-shadow: 0 4px 15px rgba(0,0,0,0.05); overflow: hidden; transition: 0.3s; }
.catalog-card:hover { transform: translateY(-5px); box-shadow: 0 10px 30px rgba(0,0,0,0.1); }
.card-icon { 
    width: 100%; height: 180px; 
    background: linear-gradient(135deg, #2c3e50 0%, #34495e 50%, #3d566e 100%); 
    display: flex; align-items: center; justify-content: center;
    font-size: 4rem; color: #e67e22;
    position: relative;
}
.card-icon::after {
    content: '';
    position: absolute; bottom: 0; left: 0; width: 100%; height: 40px;
    background: linear-gradient(to top, #fff, transparent);
}
.card-info { padding: 20px; text-align: left; }
.card-info h3 { margin-bottom: 5px; }
.card-desc { color: #7f8c8d; font-size: 0.9rem; margin: 8px 0; }
.price { color: #e67e22; font-weight: 700; font-size: 1.3rem; margin: 12px 0; }

.quiz-section { background: linear-gradient(135deg, #1a252f 0%, #2c3e50 100%); color: #fff; }
.quiz-section .section-title { color: #fff; }
.quiz-wrapper { max-width: 600px; margin: 0 auto; background: #fff; color: #2c3e50; padding: 40px; border-radius: 16px; box-shadow: 0 10px 40px rgba(0,0,0,0.3); }
.progress-bar { height: 6px; background: #eee; border-radius: 3px; margin-bottom: 30px; overflow: hidden; }
.progress-fill { height: 100%; background: linear-gradient(90deg, #e67e22, #f39c12); width: 33%; transition: 0.4s ease; border-radius: 3px; }
.quiz-step { display: none; }
.quiz-step.active { display: block; animation: fadeIn 0.4s; }
@keyframes fadeIn { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: translateY(0); } }
.quiz-step h3 { margin-bottom: 20px; font-size: 1.3rem; }
.options { display: grid; gap: 12px; }
.opt-btn { padding: 16px; background: #f8f9fa; border: 2px solid #e9ecef; border-radius: 10px; cursor: pointer; font-size: 1rem; text-align: left; transition: 0.3s; font-weight: 600; }
.opt-btn:hover { border-color: #e67e22; background: #fff5eb; color: #d35400; }

.quiz-form { display: flex; flex-direction: column; gap: 15px; }
.input-group { position: relative; }
.input-group i { position: absolute; left: 15px; top: 50%; transform: translateY(-50%); color: #95a5a6; }
.input-group input { width: 100%; padding: 14px 14px 14px 45px; border: 2px solid #e9ecef; border-radius: 10px; font-size: 1rem; transition: 0.3s; }
.input-group input:focus { outline: none; border-color: #e67e22; }
.consent { font-size: 0.85rem; display: flex; gap: 10px; align-items: flex-start; color: #7f8c8d; }
.consent a { color: #e67e22; text-decoration: underline; }
.form-hint { text-align: center; font-weight: 600; margin: 10px 0 5px; }
.messenger-btns { display: flex; gap: 12px; }
.m-btn { flex: 1; padding: 14px; border: none; border-radius: 10px; cursor: pointer; color: #fff; font-weight: 700; font-size: 1rem; transition: 0.3s; display: flex; align-items: center; justify-content: center; gap: 8px; }
.m-btn:hover { transform: translateY(-2px); box-shadow: 0 5px 15px rgba(0,0,0,0.2); }
.wa { background: #25D366; }
.tg { background: #0088cc; }
.quiz-nav { margin-top: 20px; text-align: center; }
.btn-back { background: none; border: none; color: #7f8c8d; cursor: pointer; font-size: 0.9rem; }
.btn-back:hover { color: #2c3e50; }

.contacts { background: #f8f9fa; }
.contacts-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; align-items: center; }
.contact-info p { font-size: 1.1rem; margin-bottom: 15px; display: flex; align-items: center; gap: 12px; }
.contact-info i { color: #e67e22; width: 24px; }
.contact-info a { color: #2c3e50; font-weight: 700; }
.map-placeholder { background: #fff; padding: 50px 40px; border-radius: 12px; text-align: center; box-shadow: 0 4px 15px rgba(0,0,0,0.05); }
.map-placeholder i { font-size: 3.5rem; color: #e67e22; margin-bottom: 15px; }
.map-placeholder h3 { margin-bottom: 10px; }
.map-placeholder p { color: #7f8c8d; }

.footer { background: #1a252f; color: #fff; text-align: center; padding: 30px 0; font-size: 0.9rem; opacity: 0.7; }

@media (max-width: 768px) {
    .nav-menu { display: none; }
    .hero { padding: 80px 0; }
    .hero h1 { font-size: 1.8rem; }
    .hero p { font-size: 1rem; }
    .hero-buttons { flex-direction: column; gap: 15px; }
    .btn { width: 100%; justify-content: center; }
    .section-title { font-size: 1.6rem; }
    .contacts-grid { grid-template-columns: 1fr; }
    .messenger-btns { flex-direction: column; }
    .quiz-wrapper { padding: 25px 20px; }
}