/* Theme B – Premium Editorial
   Advanced layout: stronger hierarchy, glass header, full-bleed sections */

:root {
    --primary: #0c2d6b;
    --primary-dark: #071a42;
    --primary-light: #1a4a9e;
    --accent: #2f6bff;
    --accent-hover: #1e54d9;
    --text: #0f172a;
    --text-muted: #475569;
    --bg: #fafbfc;
    --bg-alt: #eef2ff;
    --bg-dark: #0c2d6b;
    --border: #dbe3f0;
    --radius: 16px;
    --radius-lg: 28px;
    --shadow: 0 8px 30px rgba(12, 45, 107, 0.08);
    --shadow-lg: 0 20px 50px rgba(12, 45, 107, 0.12);
}

.site-header {
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(18px) saturate(1.2);
    border-bottom: 1px solid rgba(219, 227, 240, 0.7);
    box-shadow: 0 4px 24px rgba(12, 45, 107, 0.04);
}

.header-inner {
    height: 80px;
}

.logo {
    font-size: 1.35rem;
    letter-spacing: -0.03em;
}

.main-nav a {
    font-size: 0.9rem;
    font-weight: 500;
    letter-spacing: 0.01em;
    padding: 0.4rem 0.15rem;
}

.main-nav a.active {
    color: var(--accent);
}

.header-cta {
    padding: 0.65rem 1.35rem;
    box-shadow: 0 4px 14px rgba(47, 107, 255, 0.25);
}

/* Hero – larger, more dramatic */
.hero {
    padding: 4.5rem 0 5rem;
    background:
        radial-gradient(ellipse 80% 60% at 70% 20%, rgba(47, 107, 255, 0.12), transparent 55%),
        radial-gradient(ellipse 50% 40% at 10% 80%, rgba(12, 45, 107, 0.08), transparent 50%),
        linear-gradient(180deg, #eef2ff 0%, #fafbfc 100%);
}

.hero-text h1 {
    font-size: clamp(2.2rem, 4.5vw, 3.4rem);
    line-height: 1.12;
    letter-spacing: -0.035em;
    max-width: 14ch;
    color: #0a1f5c;
}

.hero-text .tagline {
    font-size: 1.15rem;
    font-weight: 600;
    color: var(--accent);
}

.hero-text p {
    font-size: 1.05rem;
    max-width: 36rem;
}

.hero-badge {
    border-radius: 14px;
    backdrop-filter: blur(8px);
}

/* Sections – more breathing room */
.section {
    padding: 5rem 0;
}

.section-header {
    margin-bottom: 3rem;
}

.section-header .eyebrow {
    font-size: 0.75rem;
    letter-spacing: 0.14em;
    color: var(--accent);
}

.section-header h2 {
    font-size: clamp(1.75rem, 3vw, 2.35rem);
    letter-spacing: -0.03em;
    margin-top: 0.4rem;
}

.section-header p {
    font-size: 1.05rem;
    max-width: 36rem;
    margin-left: auto;
    margin-right: auto;
}

/* Cards – elevated */
.feature-card {
    border-radius: var(--radius);
    border: 1px solid transparent;
    background: #fff;
    box-shadow: var(--shadow);
    padding: 1.75rem 1.5rem;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: rgba(47, 107, 255, 0.15);
}

.feature-icon {
    width: 52px;
    height: 52px;
    border-radius: 14px;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    color: #fff;
}

/* Product feature – more premium frame */
.product-feature {
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    border: none;
    overflow: hidden;
}

.product-feature-text {
    padding: 2.5rem;
}

.product-feature-text h3 {
    font-size: 1.65rem;
    letter-spacing: -0.02em;
}

.product-feature-text .tag {
    background: rgba(47, 107, 255, 0.1);
    color: var(--primary);
    border-radius: 6px;
    font-size: 0.72rem;
    letter-spacing: 0.06em;
}

/* Reviews */
.reviews-section {
    background: linear-gradient(180deg, #eef2ff 0%, #fafbfc 100%);
}

.review-slide {
    border-radius: var(--radius-lg);
}

/* CTA band */
.cta-banner {
    background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 50%, var(--accent) 100%);
    border-radius: var(--radius-lg);
    padding: 3.5rem 2rem;
    box-shadow: var(--shadow-lg);
}

/* Buttons */
.btn {
    border-radius: 12px;
    font-weight: 600;
    letter-spacing: 0.01em;
    padding: 0.8rem 1.5rem;
}

.btn-primary {
    background: linear-gradient(135deg, var(--accent), var(--primary-light));
    box-shadow: 0 4px 16px rgba(47, 107, 255, 0.3);
}

.btn-primary:hover {
    filter: brightness(1.05);
    box-shadow: 0 6px 20px rgba(47, 107, 255, 0.4);
}

.btn-dark {
    background: var(--primary-dark);
}

/* Footer */
.site-footer {
    background: var(--primary-dark);
    padding-top: 4rem;
}

.footer-brand {
    font-size: 1.2rem;
}

/* Promo modal */
.promo-modal {
    border-radius: var(--radius-lg);
}

@media (max-width: 800px) {
    .hero {
        padding: 3rem 0 3.5rem;
    }
    .section {
        padding: 3.5rem 0;
    }
    .product-feature-text {
        padding: 1.5rem;
    }
}

/* Hero text – Theme B Premium: all dark blue */
.hero-text h1,
.hero-text h1.hero-title {
    color: #0a1f5c !important;
}
.hero-text .tagline {
    color: #0a1f5c !important;
}
.hero-text p {
    color: #0a1f5c !important;
    opacity: 1;
}
.hero {
    color: #0a1f5c;
}

/* Certificate links – Theme B */
a[href*="blue-sapphire-food-safe-certificate"],
.cert-num a,
.cert-box a {
    color: #0c2d6b !important;
}
a[href*="blue-sapphire-food-safe-certificate"]:hover,
.cert-num a:hover,
.cert-box a:hover {
    color: #2f6bff !important;
}
.footer-cert .cert-num a {
    color: #93bbff !important;
}
.footer-cert .cert-num a:hover {
    color: #ffffff !important;
}

a.cert-link { color: #0c2d6b !important; }
a.cert-link:hover { color: #2f6bff !important; }
.site-footer a.cert-link, .footer-cert a.cert-link { color: #93bbff !important; }
.site-footer a.cert-link:hover { color: #fff !important; }