:root {
    --brand: #00a6b6;
    --brand-dark: #007a87;
    --brand-light: #e6f7f9;
    --ink: #0f1a1f;
    --ink-2: #3b4a52;
    --muted: #6b7a83;
    --bg: #ffffff;
    --bg-alt: #f4f9fa;
    --border: #dde6ea;
    --success: #1a8a3a;
    --error: #c62828;
    --radius: 12px;
    --shadow: 0 4px 20px rgba(0,50,60,.08);
    --shadow-lg: 0 8px 40px rgba(0,50,60,.12);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
    margin: 0; padding: 0;
    font-family: 'Poppins', -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
    color: var(--ink); background: var(--bg);
    line-height: 1.6; -webkit-font-smoothing: antialiased;
}
a { color: var(--brand); text-decoration: none; transition: .15s; }
a:hover { color: var(--brand-dark); }
img { max-width: 100%; height: auto; }
.container { max-width: 1160px; margin: 0 auto; padding: 0 20px; }
.muted { color: var(--muted); }

/* ── Header ── */
.site-header {
    background: rgba(255,255,255,.97);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border);
    position: sticky; top: 0; z-index: 100;
    box-shadow: 0 1px 8px rgba(0,0,0,.04);
}
.header-inner { display: flex; align-items: center; gap: 20px; padding: 10px 20px; }
.logo { display: flex; align-items: center; gap: 10px; }
.logo img { height: 42px; }
.logo-text { font-size: 18px; font-weight: 700; color: var(--ink); }
.logo-text span { color: var(--brand); }
.main-nav { flex: 1; }
.main-nav ul { list-style: none; display: flex; gap: 24px; margin: 0; padding: 0; justify-content: flex-end; }
.main-nav a { color: var(--ink-2); font-weight: 500; font-size: 15px; padding: 8px 0; border-bottom: 2px solid transparent; }
.main-nav a:hover, .main-nav a.active { color: var(--brand); border-bottom-color: var(--brand); text-decoration: none; }
.cta-phone {
    background: var(--brand); color: #fff !important; padding: 10px 18px;
    border-radius: 50px; font-weight: 600; font-size: 14px;
    white-space: nowrap; display: flex; align-items: center; gap: 6px;
}
.cta-phone:hover { background: var(--brand-dark); text-decoration: none; }

/* ── Buttons ── */
.btn {
    display: inline-block; padding: 10px 20px; border-radius: var(--radius);
    font-weight: 600; border: 2px solid transparent; cursor: pointer;
    transition: .2s; text-align: center; text-decoration: none !important;
    font-family: inherit; font-size: 15px;
}
.btn-primary { background: var(--brand); color: #fff; border-color: var(--brand); }
.btn-primary:hover { background: var(--brand-dark); border-color: var(--brand-dark); color: #fff; }
.btn-outline { border-color: var(--brand); color: var(--brand); background: transparent; }
.btn-outline:hover { background: var(--brand); color: #fff; }
.btn-sm { padding: 6px 14px; font-size: 13px; }
.btn-light { background: #fff; color: var(--brand); }

/* ── Grids ── */
.grid-3 { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 24px; }
.grid-4 { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 24px; }

/* ── Feature cards ── */
.feature-card {
    background: #fff; border-radius: var(--radius); padding: 32px 24px;
    text-align: center; box-shadow: var(--shadow); transition: .25s;
    border: 1px solid transparent;
}
.feature-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); border-color: var(--brand-light); }
.feature-icon { font-size: 40px; margin-bottom: 14px; }
.feature-card h3 { color: var(--brand); margin: 0 0 8px; font-size: 20px; }
.feature-card p { color: var(--muted); margin: 0; font-size: 14px; }

/* ── Service cards ── */
.service-card {
    background: #fff; border-radius: var(--radius); padding: 32px 24px;
    text-align: center; box-shadow: var(--shadow); border-left: 4px solid var(--brand);
}
.service-icon { font-size: 36px; margin-bottom: 12px; }
.service-card h3 { margin: 0 0 10px; font-size: 20px; }
.service-card p { color: var(--muted); margin: 0; font-size: 14px; }

/* ── Product cards ── */
.product-grid {
    display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 24px;
}
.product-card {
    background: #fff; border-radius: var(--radius); padding: 24px 20px;
    text-align: center; box-shadow: var(--shadow); transition: .25s;
    border: 1px solid var(--border);
}
.product-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.product-card img { max-height: 180px; object-fit: contain; margin-bottom: 14px; }
.product-card h4 { font-size: 16px; margin: 0 0 6px; }
.product-card p { font-size: 13px; color: var(--muted); margin: 0 0 12px; }

/* ── Video ── */
.video-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 24px; }
.video-wrap { position: relative; padding-bottom: 56.25%; height: 0; border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow); }
.video-wrap iframe {
    position: absolute; top: 0; left: 0; width: 100%; height: 100%;
    border: none;
}

/* ── Gallery ── */
.gallery-grid {
    display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: 12px;
}
.gallery-item {
    display: block; border-radius: 10px; overflow: hidden;
    box-shadow: 0 2px 8px rgba(0,0,0,.06); transition: .25s;
    aspect-ratio: 3/2;
}
.gallery-item:hover { transform: scale(1.03); box-shadow: var(--shadow-lg); }
.gallery-item img { width: 100%; height: 100%; object-fit: cover; }

/* ── Benefit list ── */
.benefit-list { list-style: none; padding: 0; margin: 16px 0 0; }
.benefit-list li {
    padding: 8px 0 8px 30px; position: relative;
    border-bottom: 1px solid var(--border); color: var(--ink-2);
}
.benefit-list li:before {
    content: '✓'; position: absolute; left: 0; top: 8px;
    color: var(--brand); font-weight: 700; font-size: 16px;
}

/* ── Quick form cards ── */
.quick-form-card {
    background: #fff; border-radius: var(--radius); padding: 28px 24px;
    box-shadow: var(--shadow); border-top: 4px solid var(--brand);
}
.quick-form-card h3 { text-align: center; margin: 0 0 18px; color: var(--brand); }
.quick-form-card input, .quick-form-card textarea {
    display: block; width: 100%; padding: 10px 14px; margin-bottom: 10px;
    border: 1px solid var(--border); border-radius: 8px; font: inherit; font-size: 14px;
}
.quick-form-card textarea { resize: vertical; }

/* ── Forms ── */
.form-stack { max-width: 640px; }
.form-stack label { display: block; font-weight: 500; margin-bottom: 14px; font-size: 15px; }
.form-stack input, .form-stack textarea, .form-stack select {
    display: block; width: 100%; padding: 10px 14px;
    border: 1px solid var(--border); border-radius: 8px; font: inherit;
    margin-top: 4px; font-size: 14px;
}
.form-stack textarea { min-height: 120px; resize: vertical; }
.honeypot { position: absolute !important; left: -9999px; width: 1px; height: 1px; }

/* ── Flash ── */
.flash { padding: 14px 18px; border-radius: 10px; margin-bottom: 16px; font-size: 14px; }
.flash-success { background: #e8f5e9; color: var(--success); border: 1px solid #c8e6c9; }
.flash-error { background: #ffebee; color: var(--error); border: 1px solid #ffcdd2; }
.flash-info { background: #e3f2fd; color: #0277bd; border: 1px solid #bbdefb; }

/* ── Footer ── */
.site-footer {
    background: var(--ink); color: #8a9aa3; padding: 50px 0 30px;
    margin-top: 0;
}
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 40px; margin-bottom: 30px; }
.footer-col h4 { color: #fff; margin: 0 0 14px; font-size: 16px; }
.footer-col p, .footer-col li { font-size: 14px; line-height: 1.8; }
.footer-col ul { list-style: none; padding: 0; margin: 0; }
.footer-col a { color: #8a9aa3; }
.footer-col a:hover { color: var(--brand); }
.footer-bottom { border-top: 1px solid rgba(255,255,255,.08); padding-top: 20px; text-align: center; font-size: 13px; }

/* ── Responsive ── */
@media (max-width: 768px) {
    .header-inner { flex-wrap: wrap; justify-content: center; }
    .main-nav ul { gap: 14px; font-size: 13px; flex-wrap: wrap; justify-content: center; }
    .hero h1 { font-size: 32px !important; }
    .grid-4, .product-grid { grid-template-columns: repeat(2, 1fr); }
    .gallery-grid { grid-template-columns: repeat(2, 1fr); }
    .footer-grid { grid-template-columns: 1fr; gap: 20px; }
    section > .container > div[style*="grid-template-columns:1fr 1fr"] {
        grid-template-columns: 1fr !important;
    }
}
@media (max-width: 480px) {
    .grid-4, .product-grid { grid-template-columns: 1fr; }
    .video-grid { grid-template-columns: 1fr; }
}