:root {
    --bg: #0A0D12;
    --surface: #121824;
    --surface-card: rgba(255, 255, 255, 0.03);
    --border: rgba(255, 255, 255, 0.08);
    --accent: #FF5A36;
    --accent-glow: rgba(255, 90, 54, 0.35);
    --text-main: #F3F4F6;
    --text-muted: #9CA3AF;
    --radius-lg: 24px;
    --radius-sm: 12px;
    --green: #4ADE80;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Plus Jakarta Sans', sans-serif;
    -webkit-font-smoothing: antialiased;
}

html { scroll-behavior: smooth; }

body {
    background-color: var(--bg);
    color: var(--text-main);
    overflow-x: hidden;
}

img { max-width: 100%; display: block; }

.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 24px;
}

.glow-bg {
    position: absolute;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, var(--accent-glow) 0%, rgba(0,0,0,0) 70%);
    top: -200px;
    right: -100px;
    z-index: -1;
    filter: blur(80px);
    pointer-events: none;
}

/* ===== Header ===== */
header {
    padding: 20px 0;
    border-bottom: 1px solid var(--border);
    backdrop-filter: blur(12px);
    position: sticky;
    top: 0;
    z-index: 50;
    background: rgba(10, 13, 18, 0.75);
}

.nav-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 16px;
}

.logo {
    font-size: 20px;
    font-weight: 800;
    letter-spacing: -0.5px;
    display: flex;
    align-items: center;
    gap: 8px;
    white-space: nowrap;
}

.logo-dot {
    width: 8px;
    height: 8px;
    background: var(--accent);
    border-radius: 50%;
    box-shadow: 0 0 10px var(--accent);
}

.tag-pill {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border);
    padding: 6px 14px;
    border-radius: 100px;
    font-size: 13px;
    color: var(--text-muted);
    font-weight: 500;
}

.header-phone {
    color: var(--text-main);
    text-decoration: none;
    font-weight: 700;
    font-size: 15px;
    display: none;
}

.btn-header {
    background: var(--accent);
    color: #FFF;
    padding: 10px 20px;
    border-radius: 10px;
    font-weight: 700;
    font-size: 14px;
    text-decoration: none;
    white-space: nowrap;
}

/* ===== Hero ===== */
.hero { padding: 70px 0 60px; position: relative; }

.hero-grid {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 60px;
    align-items: center;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(255, 90, 54, 0.1);
    border: 1px solid rgba(255, 90, 54, 0.3);
    color: var(--accent);
    padding: 6px 16px;
    border-radius: 100px;
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 24px;
}

.hero-title {
    font-size: 52px;
    font-weight: 800;
    line-height: 1.08;
    letter-spacing: -1.5px;
    margin-bottom: 20px;
    background: linear-gradient(180deg, #FFFFFF 0%, #A1A1AA 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-desc {
    font-size: 18px;
    color: var(--text-muted);
    line-height: 1.6;
    margin-bottom: 28px;
    font-weight: 400;
}

.hero-price-row {
    display: flex;
    align-items: baseline;
    gap: 14px;
    margin-bottom: 28px;
}

.hero-price-new { font-size: 34px; font-weight: 800; }
.hero-price-old { font-size: 18px; color: var(--text-muted); text-decoration: line-through; font-weight: 500; }
.hero-price-sale { background: var(--accent); color:#fff; font-size:13px; font-weight:700; padding: 4px 10px; border-radius: 8px; }

.hero-actions { display: flex; align-items: center; gap: 20px; flex-wrap: wrap; margin-bottom: 20px; }

.btn-primary {
    background: var(--accent);
    color: #FFF;
    padding: 18px 36px;
    border-radius: 14px;
    font-weight: 700;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 10px;
    box-shadow: 0 10px 30px var(--accent-glow);
    transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    border: none;
    cursor: pointer;
    font-size: 16px;
}

.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 15px 40px rgba(255, 90, 54, 0.5); }
.btn-primary:disabled { opacity: 0.6; cursor: not-allowed; transform: none; }
.btn-primary.full { width: 100%; justify-content: center; }

.hero-article { font-size: 13px; color: var(--text-muted); }

.hero-trust { display: flex; gap: 18px; flex-wrap: wrap; margin-top: 24px; }
.hero-trust-item { display: flex; align-items: center; gap: 8px; font-size: 13px; color: var(--text-muted); }
.hero-trust-item svg { color: var(--green); flex-shrink: 0; }

/* ===== Product photos ===== */
.hero-photo {
    width: 100%;
    aspect-ratio: 1 / 1;
    object-fit: cover;
    border-radius: var(--radius-lg);
    border: 1px solid var(--border);
    background: var(--surface-card);
}

/* ===== Sections ===== */
.section { padding: 90px 0; }
.section.tight { padding: 50px 0; }

.section-header { margin-bottom: 50px; }
.section-header.center { text-align: center; }

.section-title { font-size: 34px; font-weight: 800; letter-spacing: -1px; margin-bottom: 12px; }
.section-subtitle { color: var(--text-muted); font-size: 16px; }

/* ===== Bento grid ===== */
.bento-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    grid-template-rows: repeat(2, minmax(200px, auto));
    gap: 20px;
}

.bento-item {
    background: var(--surface-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 32px;
    position: relative;
    overflow: hidden;
    backdrop-filter: blur(10px);
    transition: border-color 0.3s ease;
}

.bento-item:hover { border-color: rgba(255, 255, 255, 0.2); }
.bento-item.large { grid-column: span 2; }
.bento-tag { color: var(--accent); font-size: 13px; font-weight: 700; margin-bottom: 10px; text-transform: uppercase; letter-spacing: 0.5px; }
.bento-item h3 { font-size: 21px; font-weight: 700; margin-bottom: 10px; }
.bento-item p { color: var(--text-muted); font-size: 14.5px; line-height: 1.55; }

/* ===== Product / items grid ===== */
.items-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.product-card {
    background: var(--surface-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 20px;
}

.product-img-box {
    border-radius: var(--radius-sm);
    overflow: hidden;
    background: #1A202C;
    margin-bottom: 16px;
    aspect-ratio: 4 / 3;
}

.product-img-box img { width: 100%; height: 100%; object-fit: cover; display: block; }

.product-title { font-size: 17px; font-weight: 700; margin-bottom: 6px; }
.product-meta { font-size: 13px; color: var(--accent); font-weight: 600; }

/* ===== Gallery ===== */
.gallery-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}

.gallery-item {
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 1px solid var(--border);
    background: var(--surface-card);
    aspect-ratio: 4 / 3;
}

.gallery-item img { width: 100%; height: 100%; object-fit: cover; display: block; }

/* ===== Specs table ===== */
.specs-box {
    background: var(--surface-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 10px 40px;
}

.specs-row {
    display: flex;
    justify-content: space-between;
    gap: 20px;
    padding: 18px 0;
    border-bottom: 1px solid var(--border);
    font-size: 15px;
}

.specs-row:last-child { border-bottom: none; }
.specs-row .k { color: var(--text-muted); }
.specs-row .v { font-weight: 700; text-align: right; }

/* ===== Trust badges ===== */
.trust-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}

.trust-card {
    text-align: center;
    padding: 30px 20px;
    background: var(--surface-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
}

.trust-card svg { color: var(--accent); margin-bottom: 14px; }
.trust-card h4 { font-size: 16px; font-weight: 700; margin-bottom: 6px; }
.trust-card p { font-size: 13px; color: var(--text-muted); }

/* ===== Delivery & payment ===== */
.two-col {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
}

.info-card {
    background: var(--surface-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 32px;
}

.info-card h3 { font-size: 19px; font-weight: 700; margin-bottom: 14px; }
.info-card ul { list-style: none; }
.info-card li { color: var(--text-muted); font-size: 14.5px; line-height: 1.7; padding-left: 22px; position: relative; }
.info-card li::before {
    content: "";
    position: absolute;
    left: 0; top: 9px;
    width: 6px; height: 6px;
    background: var(--accent);
    border-radius: 50%;
}

/* ===== Testimonials ===== */
.testimonials-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }

.testimonial-card {
    background: var(--surface-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 28px;
}

.testimonial-stars { color: var(--accent); font-size: 14px; margin-bottom: 14px; letter-spacing: 2px; }
.testimonial-text { color: var(--text-muted); font-size: 14.5px; line-height: 1.6; margin-bottom: 18px; }
.testimonial-author { font-size: 14px; font-weight: 700; }
.testimonial-note { font-size: 11px; color: var(--text-muted); opacity: 0.6; margin-top: 4px; }

/* ===== FAQ ===== */
.faq-item {
    border-bottom: 1px solid var(--border);
    padding: 22px 0;
}

.faq-question {
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
    font-weight: 700;
    font-size: 16px;
    gap: 16px;
}

.faq-question .icon { flex-shrink: 0; transition: transform 0.25s ease; color: var(--accent); }
.faq-item.open .faq-question .icon { transform: rotate(45deg); }

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
    color: var(--text-muted);
    font-size: 14.5px;
    line-height: 1.6;
}

.faq-item.open .faq-answer { max-height: 200px; margin-top: 14px; }

/* ===== Order / checkout ===== */
.checkout-box {
    background: linear-gradient(135deg, rgba(255,90,54,0.05) 0%, rgba(18,24,36,0.8) 100%);
    border: 1px solid rgba(255, 90, 54, 0.2);
    border-radius: 32px;
    padding: 60px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.checkout-price { font-size: 32px; font-weight: 800; margin-bottom: 24px; }
.checkout-price .old { font-size: 18px; color: var(--text-muted); text-decoration: line-through; font-weight: 400; margin-left: 10px; }

.input-group { margin-bottom: 16px; }

.input-group input {
    width: 100%;
    padding: 18px 20px;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid var(--border);
    border-radius: 12px;
    color: #FFF;
    font-size: 15px;
    outline: none;
    transition: border-color 0.3s;
}

.input-group input:focus { border-color: var(--accent); }
.input-group input.error { border-color: #F87171; }
.field-error { color: #F87171; font-size: 12.5px; margin-top: 6px; min-height: 16px; }
.form-status { font-size: 13.5px; margin-top: 10px; min-height: 18px; }
.form-status.ok { color: var(--green); }
.form-status.fail { color: #F87171; }

.consent-note { font-size: 12px; color: var(--text-muted); margin-top: 14px; line-height: 1.5; }

/* ===== Footer ===== */
footer {
    border-top: 1px solid var(--border);
    padding: 40px 0;
    color: var(--text-muted);
    font-size: 13.5px;
}

.footer-grid { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 16px; }
.footer-links { display: flex; gap: 20px; }
.footer-links a { color: var(--text-muted); text-decoration: none; }
.footer-links a:hover { color: var(--text-main); }

/* ===== Sticky mobile CTA ===== */
.sticky-cta {
    position: fixed;
    bottom: 0; left: 0; right: 0;
    background: rgba(10,13,18,0.95);
    border-top: 1px solid var(--border);
    padding: 12px 16px;
    display: none;
    z-index: 60;
    backdrop-filter: blur(10px);
}

/* ===== Responsive ===== */
@media (max-width: 1024px) {
    .hero-grid { grid-template-columns: 1fr; }
    .bento-grid { grid-template-columns: 1fr; }
    .bento-item.large { grid-column: span 1; }
    .items-grid { grid-template-columns: repeat(2, 1fr); }
    .gallery-grid { grid-template-columns: repeat(2, 1fr); }
    .trust-grid { grid-template-columns: repeat(2, 1fr); }
    .two-col { grid-template-columns: 1fr; }
    .testimonials-grid { grid-template-columns: 1fr; }
    .checkout-box { grid-template-columns: 1fr; padding: 32px; }
    .hero-title { font-size: 38px; }
    .specs-box { padding: 10px 24px; }
}

@media (max-width: 640px) {
    .items-grid { grid-template-columns: 1fr; }
    .gallery-grid { grid-template-columns: 1fr; }
    .section { padding: 60px 0; }
    .header-phone { display: none !important; }
    .sticky-cta { display: block; }
    body { padding-bottom: 76px; }
    .specs-row { flex-direction: column; gap: 4px; }
    .specs-row .v { text-align: left; }
}