:root {
    --primary: #ff6f00; /* Яскравий помаранчевий */
    --primary-dark: #e65100;
    --dark: #263238; /* Темно-сірий/синій */
    --gray: #f5f5f5;
    --white: #ffffff;
    --text: #212121;
    --accent: #4caf50; /* Зелений для батареї/безпеки */
}

/* ЗАХИСТ ВІД ВИДІЛЕННЯ */
body {
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    user-select: none;
    font-family: 'Montserrat', sans-serif;
    color: var(--text);
    background: var(--white);
    line-height: 1.5;
    margin: 0; padding: 0;
    overflow-x: hidden;
}

/* Base Layout */
* { box-sizing: border-box; }
.container { max-width: 1100px; margin: 0 auto; padding: 0 15px; }
.section { padding: 60px 0; }
.bg-dark { background: var(--dark); color: var(--white); }
.bg-gray { background: var(--gray); }
.white { color: var(--white); }

/* Header */
.header { background: var(--white); padding: 15px 0; position: sticky; top: 0; z-index: 100; box-shadow: 0 2px 15px rgba(0,0,0,0.08); }
.header-wrap { display: flex; justify-content: space-between; align-items: center; }
.logo { font-weight: 900; font-size: 22px; color: var(--dark); }
.logo span { color: var(--primary); }
.btn-small { background: var(--primary); color: white; padding: 10px 22px; border-radius: 5px; text-decoration: none; font-weight: 700; font-size: 14px; transition: 0.3s; }
.btn-small:hover { background: var(--primary-dark); }

/* Hero Section */
.hero { background: radial-gradient(circle at center, #fff 0%, #fff3e0 100%); padding: 50px 0; overflow: hidden; }
.hero-container { display: flex; flex-direction: column; align-items: center; gap: 30px; text-align: center; }
.badge-top { background: var(--accent); color: white; padding: 5px 15px; border-radius: 20px; font-size: 12px; font-weight: 800; display: inline-block; margin-bottom: 15px; }
.hero h1 { font-size: 34px; line-height: 1.1; margin-bottom: 15px; font-weight: 900; color: var(--dark); }
.hero h1 span { color: var(--primary); }
.subtitle { font-size: 16px; margin-bottom: 25px; color: #555; max-width: 600px; margin-left: auto; margin-right: auto; }

.features-row { display: flex; justify-content: center; gap: 10px; margin-bottom: 25px; flex-wrap: wrap; }
.f-item { background: var(--dark); color: white; padding: 8px 15px; border-radius: 6px; font-size: 13px; font-weight: 700; }

.price-block { margin-bottom: 25px; }
.old-price { text-decoration: line-through; color: #999; font-size: 20px; margin-right: 15px; }
.new-price { color: var(--primary); font-size: 40px; font-weight: 900; }

.hero-image { position: relative; width: 100%; max-width: 500px; }
.hero-image img { width: 100%; display: block; filter: drop-shadow(0 20px 40px rgba(0,0,0,0.15)); }
.sale-badge { position: absolute; top: 20px; right: 10px; background: var(--primary); color: white; width: 70px; height: 70px; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-weight: 900; font-size: 18px; transform: rotate(15deg); box-shadow: 0 5px 15px rgba(255, 111, 0, 0.4); border: 3px solid white; }

/* Main Button (Stabilized) */
.btn-main {
    display: flex; justify-content: center; align-items: center; text-align: center;
    background: var(--primary); color: white; padding: 20px 30px; width: 100%; max-width: 450px; margin: 0 auto;
    border-radius: 50px; font-size: 18px; font-weight: 800; text-transform: uppercase; text-decoration: none; border: none; cursor: pointer;
    box-shadow: 0 10px 25px rgba(255, 111, 0, 0.3); transition: transform 0.2s, background 0.3s;
}
.btn-main:hover { background: var(--primary-dark); transform: translateY(-3px); }
.btn-main:active { transform: translateY(1px); }
.btn-blocked { background: #78909c !important; cursor: not-allowed; box-shadow: none !important; transform: none !important; }

/* Animations */
.pulse-btn { animation: pulse 2s infinite; }
@keyframes pulse { 0% { box-shadow: 0 0 0 0 rgba(255, 111, 0, 0.7); } 70% { box-shadow: 0 0 0 15px rgba(255, 111, 0, 0); } 100% { box-shadow: 0 0 0 0 rgba(255, 111, 0, 0); } }
.timer-text { margin-top: 15px; font-size: 14px; color: #777; font-weight: 600; }

/* Section Title */
.section-title { text-align: center; font-size: 28px; margin-bottom: 20px; text-transform: uppercase; font-weight: 900; color: var(--dark); }
.section-desc { text-align: center; max-width: 700px; margin: 0 auto 40px; color: #666; font-size: 16px; }

/* Benefits Grid */
.benefits-grid { display: grid; gap: 20px; grid-template-columns: 1fr; }
.b-card { background: white; padding: 30px 20px; border-radius: 15px; text-align: center; box-shadow: 0 5px 20px rgba(0,0,0,0.05); border-bottom: 5px solid var(--primary); }
.b-icon { font-size: 40px; margin-bottom: 15px; }
.b-card h3 { margin-bottom: 10px; font-size: 18px; color: var(--dark); }
.b-card p { font-size: 14px; color: #555; }

/* Visual Two-Col */
.two-col-grid { display: grid; gap: 30px; }
.visual-img img { width: 100%; border-radius: 15px; }
.visual-text h3 { color: var(--primary); font-size: 22px; margin-bottom: 20px; font-weight: 800; }
.check-list li { list-style: none; position: relative; padding-left: 25px; margin-bottom: 15px; color: #ddd; font-size: 15px; }
.check-list li:before { content: '✓'; position: absolute; left: 0; color: var(--primary); font-weight: bold; }
.check-list strong { color: white; }

/* Usage Grid */
.usage-grid { display: grid; gap: 20px; }
.usage-item { background: var(--white); border-radius: 10px; overflow: hidden; box-shadow: 0 5px 15px rgba(0,0,0,0.05); padding-bottom: 15px; text-align: center; }
.u-img-wrap { width: 100%; height: 200px; overflow: hidden; }
.u-img-wrap img { width: 100%; height: 100%; object-fit: cover; transition: 0.3s; }
.usage-item:hover img { transform: scale(1.05); }
.usage-item h3 { margin: 15px 0 5px; font-size: 18px; color: var(--dark); }
.usage-item p { font-size: 14px; color: #666; padding: 0 10px; }

/* Specs */
.specs-box { display: flex; flex-direction: column; align-items: center; gap: 20px; background: white; padding: 20px; border-radius: 15px; box-shadow: 0 5px 20px rgba(0,0,0,0.05); max-width: 800px; margin: 0 auto; }
.specs-img { width: 100%; max-width: 300px; border-radius: 10px; }
.specs-table { width: 100%; border-collapse: collapse; }
.specs-table td { padding: 12px 10px; border-bottom: 1px solid #eee; font-size: 15px; }
.specs-table tr:last-child td { border-bottom: none; }
.specs-table td:first-child { color: #666; width: 45%; }
.specs-table td:last-child { color: var(--dark); font-weight: 600; }
.specs-note { text-align: center; margin-top: 15px; font-size: 13px; color: #d32f2f; font-weight: 600; }

/* Reviews */
.reviews-grid { display: grid; gap: 15px; }
.review-card { background: white; padding: 20px; border-radius: 10px; border: 1px solid #eee; box-shadow: 0 2px 5px rgba(0,0,0,0.02); }
.r-head { display: flex; justify-content: space-between; margin-bottom: 10px; font-weight: 700; font-size: 14px; }
.stars { color: #ffc107; }
.r-text { font-size: 14px; color: #444; font-style: italic; }

/* Form */
.order-section { background: var(--dark); color: white; padding: 60px 0; }
.form-wrapper { background: white; color: var(--text); padding: 30px 20px; border-radius: 15px; max-width: 500px; margin: 0 auto; border: 4px solid var(--primary); }
.form-wrapper h2 { text-align: center; font-size: 22px; margin-bottom: 10px; }
.form-wrapper > p { text-align: center; font-size: 14px; color: #666; margin-bottom: 20px; }
.spam-warning { display: none; background: #e8f5e9; color: #2e7d32; padding: 15px; border-radius: 8px; text-align: center; margin-bottom: 20px; font-size: 14px; font-weight: 600; border: 1px solid #c8e6c9; }

.input-group { margin-bottom: 15px; }
.input-group label { display: block; margin-bottom: 6px; font-weight: 700; font-size: 13px; text-transform: uppercase; color: #555; }
.input-group input, .input-group select { width: 100%; padding: 14px; border: 1px solid #ddd; border-radius: 6px; font-size: 16px; background: #fff; -webkit-appearance: none; }
.input-group select { color: #333; }
.price-final { font-size: 20px; text-align: center; font-weight: 700; margin: 25px 0; border-top: 1px solid #eee; padding-top: 20px; }
.price-final span { color: var(--primary); font-size: 28px; }
.secure-text { text-align: center; margin-top: 15px; font-size: 11px; color: #999; }

/* Footer */
footer { background: #1a1a1a; color: #666; text-align: center; padding: 30px 0; font-size: 12px; }
footer a { color: #888; text-decoration: none; }

/* PC ADAPTATION */
@media (min-width: 768px) {
    .hero { padding: 80px 0; }
    .hero-container { flex-direction: row; text-align: left; justify-content: space-between; gap: 50px; }
    .hero-content { flex: 1; align-items: flex-start; text-align: left; }
    .hero h1 { font-size: 46px; }
    .btn-main { margin: 0; display: inline-flex; }
    .features-row { justify-content: flex-start; }
    
    .benefits-grid { grid-template-columns: repeat(3, 1fr); }
    
    .two-col-grid { grid-template-columns: 1fr 1fr; align-items: center; }
    
    .usage-grid { grid-template-columns: 1fr 1fr; }
    
    .specs-box { flex-direction: row; align-items: flex-start; padding: 40px; }
    .specs-img { width: 40%; margin-right: 30px; }
    .specs-table { width: 60%; }
    
    .reviews-grid { grid-template-columns: repeat(2, 1fr); }
}