/* ============================================================
   QUICKSEAL — Main Stylesheet
   ============================================================ */

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
    --c-blue-950: #060f1e;
    --c-blue-900: #0a1e3d;
    --c-blue-800: #0f2f5e;
    --c-blue-700: #1b4d9b;
    --c-blue-600: #2563c0;
    --c-blue-500: #3b7dd8;
    --c-blue-100: #dbeafe;
    --c-blue-50:  #eff6ff;
    --c-white:    #ffffff;
    --c-gray-50:  #f9fafb;
    --c-gray-100: #f3f4f6;
    --c-gray-200: #e5e7eb;
    --c-gray-400: #9ca3af;
    --c-gray-500: #6b7280;
    --c-gray-700: #374151;
    --c-gray-900: #111827;
    --c-green:    #16a34a;

    --font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    --container-w: 1160px;
    --nav-h: 68px;
    --radius:    6px;
    --radius-lg: 10px;
    --shadow-sm: 0 1px 4px rgba(0,0,0,0.08);
    --shadow-md: 0 4px 20px rgba(0,0,0,0.10);
    --shadow-lg: 0 8px 40px rgba(0,0,0,0.14);
}

html { font-size: 16px; scroll-behavior: smooth; }
body {
    font-family: var(--font);
    color: var(--c-gray-900);
    background: var(--c-white);
    line-height: 1.65;
    -webkit-font-smoothing: antialiased;
}
h1,h2,h3,h4,h5,h6 { font-weight: 700; line-height: 1.25; color: var(--c-blue-900); }
p   { color: var(--c-gray-700); }
a   { color: var(--c-blue-700); text-decoration: none; }
a:hover { color: var(--c-blue-600); }
ul  { list-style: none; }
img { max-width: 100%; display: block; }

/* ---- Layout ---- */
.container {
    max-width: var(--container-w);
    margin-inline: auto;
    padding-inline: 24px;
}
.section    { padding-block: 80px; }
.section-sm { padding-block: 56px; }
.bg-gray    { background: var(--c-gray-50); }

.section-eyebrow {
    display: block;
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--c-blue-600);
    margin-bottom: 10px;
}
.section-title {
    font-size: clamp(1.6rem, 3.5vw, 2.25rem);
    color: var(--c-blue-900);
    margin-bottom: 14px;
}
.section-desc {
    font-size: 1.05rem;
    color: var(--c-gray-500);
    max-width: 520px;
    line-height: 1.7;
}
.section-header { margin-bottom: 52px; }
.section-header.center { text-align: center; }
.section-header.center .section-desc { margin-inline: auto; }
.accent-bar {
    width: 44px; height: 3px;
    background: var(--c-blue-700);
    border-radius: 2px;
    margin-bottom: 16px;
}
.section-header.center .accent-bar { margin-inline: auto; }

/* ---- Buttons ---- */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 13px 28px;
    border-radius: var(--radius);
    font-weight: 600;
    font-size: 0.925rem;
    letter-spacing: 0.01em;
    border: 2px solid transparent;
    cursor: pointer;
    transition: all 0.18s ease;
    text-align: center;
    white-space: nowrap;
    text-decoration: none;
    line-height: 1.4;
    font-family: var(--font);
}
.btn-primary {
    background: var(--c-blue-700); color: var(--c-white); border-color: var(--c-blue-700);
}
.btn-primary:hover {
    background: var(--c-blue-600); border-color: var(--c-blue-600); color: var(--c-white);
    transform: translateY(-1px); box-shadow: 0 4px 14px rgba(27,77,155,0.35);
}
.btn-white {
    background: var(--c-white); color: var(--c-blue-700); border-color: var(--c-white);
}
.btn-white:hover {
    background: rgba(255,255,255,0.92); color: var(--c-blue-800);
    transform: translateY(-1px); box-shadow: 0 4px 14px rgba(0,0,0,0.15);
}
.btn-outline-white {
    background: transparent; color: var(--c-white); border-color: rgba(255,255,255,0.55);
}
.btn-outline-white:hover {
    background: rgba(255,255,255,0.12); border-color: var(--c-white); color: var(--c-white);
}
.btn-outline {
    background: transparent; color: var(--c-blue-700); border-color: var(--c-blue-700);
}
.btn-outline:hover { background: var(--c-blue-700); color: var(--c-white); }
.btn-sm { padding: 9px 20px; font-size: 0.875rem; }

/* ============================================================
   NAVIGATION
   ============================================================ */
.site-header {
    height: var(--nav-h);
    background: var(--c-white);
    border-bottom: 1px solid var(--c-gray-200);
    position: sticky; top: 0; z-index: 200;
    box-shadow: var(--shadow-sm);
}
.nav-container {
    height: 100%; display: flex; align-items: center;
}
.nav-toggle { display: none; }
.nav-inner {
    display: flex; align-items: center;
    justify-content: space-between; width: 100%; height: 100%;
}
.nav-logo {
    display: flex; align-items: center; gap: 10px;
    color: var(--c-blue-900); font-weight: 800;
    font-size: 1.9rem; letter-spacing: -0.03em; text-decoration: none;
}
@media (max-width: 480px) {
    .nav-logo { font-size: 1.55rem; }
}
.nav-logo:hover { color: var(--c-blue-700); }
.logo-icon {
    width: 34px; height: 34px;
    background: var(--c-blue-700);
    border-radius: var(--radius);
    display: flex; align-items: center; justify-content: center;
    flex-shrink: 0;
}
.logo-icon svg { width: 18px; height: 18px; fill: white; }
.nav-links { display: flex; align-items: center; gap: 4px; }
.nav-links li a {
    color: var(--c-gray-500); font-size: 0.9rem; font-weight: 500;
    padding: 6px 14px; border-radius: var(--radius);
    transition: all 0.15s; text-decoration: none; display: block;
}
.nav-links li a:hover,
.nav-links li a.active {
    color: var(--c-blue-700); background: var(--c-blue-50);
}
.nav-burger {
    display: none; flex-direction: column; gap: 5px;
    cursor: pointer; padding: 6px; border-radius: var(--radius);
    transition: background 0.15s; background: none; border: none;
}
.nav-burger:hover { background: var(--c-gray-100); }
.nav-burger span {
    display: block; width: 22px; height: 2px;
    background: var(--c-blue-900); border-radius: 2px;
    transition: all 0.25s ease; transform-origin: center;
}
@media (max-width: 768px) {
    .nav-burger { display: flex; }
    .nav-links {
        display: none;
        position: absolute; top: var(--nav-h); left: 0; right: 0;
        background: var(--c-white); flex-direction: column; align-items: stretch;
        padding: 10px 24px 20px; border-bottom: 1px solid var(--c-gray-200);
        box-shadow: var(--shadow-md); gap: 2px;
    }
    .nav-links li a { padding: 11px 12px; font-size: 0.975rem; border-bottom: 1px solid var(--c-gray-100); }
    .nav-links li:last-child a { border-bottom: none; }
    .nav-toggle:checked + .nav-inner .nav-links { display: flex; }
    .nav-toggle:checked + .nav-inner .nav-burger span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
    .nav-toggle:checked + .nav-inner .nav-burger span:nth-child(2) { opacity: 0; transform: scaleX(0); }
    .nav-toggle:checked + .nav-inner .nav-burger span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
}

/* ============================================================
   FOOTER
   ============================================================ */
.site-footer {
    background: var(--c-blue-900);
    padding-block: 52px 32px;
}
.footer-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr;
    gap: 40px;
    margin-bottom: 40px;
}
.footer-logo {
    display: inline-flex; align-items: center; gap: 10px;
    color: var(--c-white); font-weight: 800;
    font-size: 1.35rem; letter-spacing: -0.03em;
    text-decoration: none; margin-bottom: 12px;
}
.footer-logo:hover { color: rgba(255,255,255,0.85); }
.footer-brand p {
    color: rgba(255,255,255,0.55); font-size: 0.875rem; max-width: 230px; line-height: 1.65;
}
.footer-heading {
    font-size: 0.72rem; font-weight: 700; letter-spacing: 0.12em;
    text-transform: uppercase; color: rgba(255,255,255,0.35);
    margin-bottom: 14px;
}
.footer-links li + li { margin-top: 9px; }
.footer-links a {
    color: rgba(255,255,255,0.6); font-size: 0.9rem; transition: color 0.15s;
}
.footer-links a:hover { color: var(--c-white); }
.footer-contact-info p {
    color: rgba(255,255,255,0.6); font-size: 0.9rem; margin-bottom: 6px; line-height: 1.5;
}
.footer-contact-info a {
    color: rgba(255,255,255,0.85); transition: color 0.15s;
}
.footer-contact-info a:hover { color: var(--c-white); }
.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.1); padding-top: 24px;
    display: flex; justify-content: space-between; align-items: center;
    font-size: 0.82rem; color: rgba(255,255,255,0.35); flex-wrap: wrap; gap: 8px;
}
.footer-bottom a { color: rgba(255,255,255,0.35); transition: color 0.15s; }
.footer-bottom a:hover { color: rgba(255,255,255,0.65); }
@media (max-width: 768px) {
    .footer-grid { grid-template-columns: 1fr; gap: 28px; }
    .footer-bottom { flex-direction: column; align-items: flex-start; }
}

/* ============================================================
   HERO (Homepage)
   ============================================================ */
.hero {
    background: linear-gradient(140deg, var(--c-blue-950) 0%, var(--c-blue-800) 55%, var(--c-blue-700) 100%);
    position: relative; overflow: hidden;
    padding-block: 100px 90px;
}
.hero::before {
    content: ''; position: absolute; inset: 0;
    background-image: repeating-linear-gradient(
        45deg,
        rgba(255,255,255,0.018) 0px, rgba(255,255,255,0.018) 1px,
        transparent 1px, transparent 32px
    );
    pointer-events: none;
}
.hero::after {
    content: ''; position: absolute;
    right: -80px; top: -100px;
    width: 580px; height: 580px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(255,255,255,0.05) 0%, transparent 65%);
    pointer-events: none;
}
.hero-inner {
    position: relative; z-index: 1;
    display: grid;
    grid-template-columns: 1.15fr 1fr;
    gap: 56px;
    align-items: center;
}
.hero-badge {
    display: inline-flex; align-items: center; gap: 8px;
    background: rgba(255,255,255,0.08); border: 1px solid rgba(255,255,255,0.18);
    color: rgba(255,255,255,0.88); font-size: 0.77rem; font-weight: 700;
    letter-spacing: 0.09em; text-transform: uppercase;
    padding: 5px 14px; border-radius: 20px; margin-bottom: 24px;
}
.badge-dot {
    width: 7px; height: 7px; background: #4ade80; border-radius: 50%; flex-shrink: 0;
}
.hero h1 {
    font-size: clamp(2.1rem, 5vw, 3.4rem);
    font-weight: 800; color: var(--c-white);
    line-height: 1.14; margin-bottom: 20px; letter-spacing: -0.025em;
}
.hero h1 em { font-style: normal; color: #93c5fd; }
.hero-sub {
    font-size: 1.08rem; color: rgba(255,255,255,0.72);
    max-width: 510px; line-height: 1.72; margin-bottom: 36px;
}
.hero-ctas { display: flex; gap: 14px; flex-wrap: wrap; margin-bottom: 40px; }
.hero-trust { display: flex; gap: 24px; flex-wrap: wrap; }
.trust-item {
    display: flex; align-items: center; gap: 8px;
    color: rgba(255,255,255,0.65); font-size: 0.85rem;
}
.trust-check {
    width: 18px; height: 18px; flex-shrink: 0;
    border: 1.5px solid #4ade80; border-radius: 50%;
    background: rgba(74,222,128,0.15);
    display: flex; align-items: center; justify-content: center;
}
.trust-check svg { width: 9px; height: 9px; stroke: #4ade80; fill: none; stroke-width: 2.5; stroke-linecap: round; }
/* --- Hero product image column --- */
.hero-visual {
    display: flex;
    flex-direction: column;
}

.hero-img-wrap {
    width: 100%; height: 500px;
    border-radius: var(--radius-lg) var(--radius-lg) 0 0;
    overflow: hidden;
    box-shadow: 0 24px 64px rgba(0,0,0,0.5), 0 0 0 1px rgba(255,255,255,0.07);
}

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

/* --- Clearance price card below product image --- */
.hero-price-card {
    background: linear-gradient(135deg, #d97706 0%, #fbbf24 60%, #fde68a 100%);
    padding: 18px 22px 20px;
    border-radius: 0 0 var(--radius-lg) var(--radius-lg);
    box-shadow: 0 12px 32px rgba(0,0,0,0.35);
}

.hpc-eyebrow {
    font-size: 0.6rem; font-weight: 800; letter-spacing: 0.14em;
    text-transform: uppercase; color: #78350f; margin-bottom: 6px;
}

.hpc-price-row {
    display: flex; align-items: center; gap: 14px; flex-wrap: wrap;
    margin-bottom: 6px;
}

.hpc-price-now {
    font-size: 3.4rem; font-weight: 800;
    color: #111827; line-height: 1;
    letter-spacing: -0.035em;
}

.hpc-price-meta {
    display: flex; flex-direction: column; gap: 5px;
}

.hpc-price-was {
    font-size: 0.95rem; font-weight: 600;
    color: rgba(0,0,0,0.42); text-decoration: line-through;
}

.hpc-save-badge {
    display: inline-block;
    background: #111827; color: #fbbf24;
    font-size: 0.65rem; font-weight: 800; letter-spacing: 0.1em;
    padding: 4px 10px; border-radius: 20px;
}

.hpc-note {
    font-size: 0.8rem; color: #78350f; font-weight: 600; margin: 0;
}

/* --- Hero responsive stacking --- */
@media (max-width: 900px) {
    .hero-inner {
        grid-template-columns: 1fr;
        gap: 32px;
    }
    .hero-visual { order: -1; }
    .hero-img-wrap { height: 280px; }
    .hpc-price-now { font-size: 2.6rem; }
    .hero-price-card { padding: 14px 18px 16px; }
}

@media (max-width: 600px) {
    .hero { padding-block: 52px 44px; }
    .hero-ctas { flex-direction: column; }
    .hero-ctas .btn { justify-content: center; }
    .hero-trust { gap: 14px; }
    .hero-img-wrap { height: 240px; }
    .hpc-price-now { font-size: 2.2rem; }
    .hpc-price-card { padding: 12px 16px 14px; }
}

/* ---- Feature Cards ---- */
.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}
.feature-card {
    background: var(--c-white); border: 1px solid var(--c-gray-200);
    border-radius: var(--radius-lg); padding: 34px 28px;
    transition: all 0.2s ease; position: relative; overflow: hidden;
}
.feature-card::after {
    content: ''; position: absolute; top: 0; left: 0; right: 0; height: 3px;
    background: var(--c-blue-700); transform: scaleX(0); transform-origin: left;
    transition: transform 0.25s ease;
}
.feature-card:hover { box-shadow: var(--shadow-md); border-color: transparent; transform: translateY(-3px); }
.feature-card:hover::after { transform: scaleX(1); }
.feature-icon {
    width: 50px; height: 50px; background: var(--c-blue-50);
    border-radius: var(--radius); display: flex; align-items: center;
    justify-content: center; margin-bottom: 20px;
}
.feature-icon svg {
    width: 24px; height: 24px; fill: none;
    stroke: var(--c-blue-700); stroke-width: 1.75; stroke-linecap: round; stroke-linejoin: round;
}
.feature-card h3 { font-size: 1.05rem; margin-bottom: 10px; color: var(--c-blue-900); }
.feature-card p  { font-size: 0.9rem; color: var(--c-gray-500); line-height: 1.65; }
@media (max-width: 480px) { .features-grid { grid-template-columns: 1fr; } }
@media (min-width: 481px) and (max-width: 768px) { .features-grid { grid-template-columns: repeat(2, 1fr); } }

/* ---- Product Spotlight (Homepage) ---- */
.product-spotlight {
    display: grid; grid-template-columns: 1fr 1.1fr;
    gap: 60px; align-items: center;
}
.product-visual {
    background: linear-gradient(135deg, var(--c-blue-50) 0%, var(--c-blue-100) 100%);
    border-radius: var(--radius-lg); aspect-ratio: 5/6;
    display: flex; align-items: center; justify-content: center;
    position: relative; overflow: hidden; border: 1px solid var(--c-blue-100);
}
/* CSS tube mockup */
.tube-mockup {
    width: 88px; height: 216px;
    background: linear-gradient(160deg, #fff 0%, #e0ecfc 50%, #c2d9f5 100%);
    border-radius: 44px 44px 8px 8px;
    position: relative; z-index: 1;
    box-shadow: 10px 10px 28px rgba(27,77,155,0.22), -4px -4px 14px rgba(255,255,255,0.9);
}
.tube-mockup::before {
    content: ''; position: absolute; top: -1px; left: 50%;
    transform: translateX(-50%); width: 28px; height: 38px;
    background: var(--c-blue-700);
    border-radius: 50% 50% 0 0 / 60% 60% 0 0;
}
.tube-label {
    position: absolute; top: 50%; left: 50%;
    transform: translate(-50%, -50%) rotate(90deg);
    white-space: nowrap; font-size: 0.7rem; font-weight: 800;
    letter-spacing: 0.12em; color: var(--c-blue-700);
    text-transform: uppercase;
}
.visual-badge {
    position: absolute; bottom: 22px; left: 20px; right: 20px;
    background: rgba(255,255,255,0.92); border: 1px solid var(--c-blue-100);
    border-radius: var(--radius); padding: 12px 14px;
    box-shadow: var(--shadow-sm);
}
.visual-badge-label {
    font-size: 0.7rem; font-weight: 700; letter-spacing: 0.1em;
    text-transform: uppercase; color: var(--c-blue-500); display: block; margin-bottom: 3px;
}
.visual-badge-name {
    font-size: 0.9rem; font-weight: 700; color: var(--c-blue-900); display: block;
}
.cert-float {
    position: absolute; top: 20px; right: 18px;
    background: var(--c-white); border: 1.5px solid var(--c-gray-200);
    border-radius: 8px; padding: 7px 12px;
    display: flex; align-items: center; gap: 7px; box-shadow: var(--shadow-sm);
}
.cert-float-icon {
    width: 24px; height: 24px; background: var(--c-green);
    border-radius: 50%; display: flex; align-items: center; justify-content: center;
    flex-shrink: 0;
}
.cert-float-icon svg { width: 12px; height: 12px; stroke: white; fill: none; stroke-width: 2.5; stroke-linecap: round; }
.cert-float span { font-size: 0.72rem; font-weight: 700; color: var(--c-gray-700); line-height: 1.3; }
.product-spotlight-photo {
    position: absolute; inset: 0;
    width: 100%; height: 100%; object-fit: cover;
}
.product-info .section-eyebrow { margin-bottom: 6px; }
.product-info h2 { font-size: clamp(1.45rem, 2.8vw, 1.9rem); margin-bottom: 14px; }
.product-info > p { color: var(--c-gray-500); margin-bottom: 26px; line-height: 1.72; }
.spec-pills { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 28px; }
.pill {
    background: var(--c-blue-50); color: var(--c-blue-700);
    border: 1px solid var(--c-blue-100); border-radius: 20px;
    font-size: 0.78rem; font-weight: 600; padding: 4px 12px; letter-spacing: 0.02em;
}
.pill.green { background: #dcfce7; color: var(--c-green); border-color: #bbf7d0; }
@media (max-width: 768px) {
    .product-spotlight { grid-template-columns: 1fr; gap: 32px; }
    .product-visual { aspect-ratio: 16/9; }
}

/* ---- CTA Banner ---- */
.cta-banner {
    background: linear-gradient(135deg, var(--c-blue-900) 0%, var(--c-blue-700) 100%);
    padding-block: 72px; text-align: center;
    position: relative; overflow: hidden;
}
.cta-banner::before {
    content: ''; position: absolute; inset: 0;
    background-image: repeating-linear-gradient(
        -45deg, rgba(255,255,255,0.012) 0px, rgba(255,255,255,0.012) 1px,
        transparent 1px, transparent 30px
    );
}
.cta-banner .container { position: relative; z-index: 1; }
.cta-banner h2 { font-size: clamp(1.5rem, 3.5vw, 2.2rem); color: var(--c-white); margin-bottom: 12px; }
.cta-banner p  { color: rgba(255,255,255,0.7); font-size: 1.05rem; margin-bottom: 32px; max-width: 460px; margin-inline: auto; }
.cta-btn-group { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }

/* ============================================================
   PAGE HERO (inner pages)
   ============================================================ */
.page-hero {
    background: linear-gradient(140deg, var(--c-blue-950) 0%, var(--c-blue-800) 100%);
    padding-block: 60px 52px; position: relative; overflow: hidden;
}
.page-hero::before {
    content: ''; position: absolute; inset: 0;
    background-image: repeating-linear-gradient(
        45deg, rgba(255,255,255,0.015) 0px, rgba(255,255,255,0.015) 1px,
        transparent 1px, transparent 30px
    );
}
.page-hero .container { position: relative; z-index: 1; }
.page-eyebrow {
    display: block; font-size: 0.72rem; font-weight: 700;
    letter-spacing: 0.12em; text-transform: uppercase; color: #93c5fd; margin-bottom: 10px;
}
.page-hero h1 { font-size: clamp(1.7rem, 4vw, 2.6rem); color: var(--c-white); font-weight: 800; margin-bottom: 12px; }
.page-hero p  { color: rgba(255,255,255,0.68); font-size: 1.02rem; max-width: 480px; line-height: 1.68; }

/* ============================================================
   PRODUCTS PAGE
   ============================================================ */
.product-card {
    background: var(--c-white); border: 1px solid var(--c-gray-200);
    border-radius: var(--radius-lg); overflow: hidden;
    box-shadow: var(--shadow-sm);
}
.product-card-header {
    background: linear-gradient(135deg, var(--c-blue-50), #d8e9fc);
    padding: 36px 40px;
    display: flex; gap: 32px; align-items: flex-start;
    border-bottom: 1px solid var(--c-blue-100);
}
.product-code-badge {
    display: inline-block; background: var(--c-blue-700); color: white;
    font-size: 0.72rem; font-weight: 700; letter-spacing: 0.09em;
    text-transform: uppercase; padding: 4px 12px; border-radius: 20px; margin-bottom: 10px;
}
.product-card-header h2 { font-size: 1.5rem; color: var(--c-blue-900); margin-bottom: 8px; }
.product-card-header > div > p { color: var(--c-gray-500); font-size: 0.95rem; max-width: 400px; line-height: 1.65; }
.product-photo-main {
    width: 190px; flex-shrink: 0;
    border-radius: var(--radius); overflow: hidden;
    border: 1px solid var(--c-blue-100);
    box-shadow: 6px 6px 18px rgba(27,77,155,0.18);
    align-self: flex-start;
}
.product-photo-main img {
    width: 100%; height: 230px; object-fit: cover; display: block;
}
.product-images-row {
    grid-column: 1 / -1;
    display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px;
    margin-top: 8px;
}
.product-img-item {
    border-radius: var(--radius); overflow: hidden;
    border: 1px solid var(--c-gray-200); box-shadow: var(--shadow-sm);
}
.product-img-item img {
    width: 100%; height: 220px; object-fit: cover; display: block;
}
.product-img-item figcaption {
    padding: 9px 14px; font-size: 0.8rem;
    color: var(--c-gray-500); background: var(--c-gray-50);
    border-top: 1px solid var(--c-gray-200); font-style: italic;
}
@media (max-width: 720px) {
    .product-images-row { grid-template-columns: 1fr; }
}
@media (max-width: 600px) {
    .product-photo-main { width: 100%; }
    .product-photo-main img { height: 260px; }
    .product-img-item img { height: 200px; }
}
.product-card-body {
    padding: 36px 40px;
    display: grid; grid-template-columns: 1fr 1fr; gap: 40px;
}
.subsection-title {
    font-size: 0.75rem; font-weight: 700; letter-spacing: 0.1em;
    text-transform: uppercase; color: var(--c-gray-400); margin-bottom: 18px;
}
.specs-table { width: 100%; border-collapse: collapse; }
.specs-table td {
    padding: 11px 0; border-bottom: 1px solid var(--c-gray-100);
    font-size: 0.895rem; vertical-align: top;
}
.specs-table tr:last-child td { border-bottom: none; }
.specs-table td:first-child {
    color: var(--c-gray-400); font-weight: 500; width: 44%; padding-right: 16px;
}
.specs-table td:last-child { color: var(--c-gray-900); font-weight: 500; }
.tag-wrap { display: flex; flex-wrap: wrap; gap: 6px; }
.tag {
    background: var(--c-blue-50); color: var(--c-blue-700); border: 1px solid var(--c-blue-100);
    font-size: 0.775rem; font-weight: 600; padding: 3px 11px; border-radius: 20px;
}
.tag-green { background: #dcfce7; color: var(--c-green); border-color: #bbf7d0; }
.clearance-notice {
    grid-column: 1 / -1; margin-top: 4px;
    background: #fffbeb; border: 1.5px solid #fbbf24;
    border-radius: var(--radius); padding: 18px 22px;
    display: flex; gap: 14px; align-items: flex-start;
}
.notice-icon {
    width: 32px; height: 32px; background: #fcd34d; border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    font-size: 1rem; flex-shrink: 0;
}
.clearance-notice h4 { font-size: 0.9rem; color: #92400e; margin-bottom: 4px; }
.clearance-notice p  { font-size: 0.85rem; color: #b45309; line-height: 1.5; margin: 0; }
@media (max-width: 768px) {
    .product-card-header { flex-direction: column; padding: 24px; }
    .product-card-body { grid-template-columns: 1fr; padding: 24px; gap: 28px; }
    .clearance-notice { grid-column: 1; }
}

/* Applications grid */
.app-grid {
    display: grid; grid-template-columns: repeat(auto-fit, minmax(170px, 1fr)); gap: 16px;
}
.app-item {
    background: var(--c-white); border: 1px solid var(--c-gray-200);
    border-radius: var(--radius); padding: 20px 16px; text-align: center;
    transition: all 0.18s;
}
.app-item:hover {
    border-color: var(--c-blue-600); transform: translateY(-2px);
    box-shadow: 0 2px 14px rgba(27,77,155,0.1);
}
.app-icon-box {
    width: 44px; height: 44px; background: var(--c-blue-50);
    border-radius: var(--radius); margin: 0 auto 12px;
    display: flex; align-items: center; justify-content: center;
}
.app-icon-box svg {
    width: 22px; height: 22px; fill: none;
    stroke: var(--c-blue-700); stroke-width: 1.75; stroke-linecap: round; stroke-linejoin: round;
}
.app-item span { font-size: 0.85rem; font-weight: 600; color: var(--c-gray-700); }

/* ============================================================
   ABOUT PAGE
   ============================================================ */
.about-intro {
    display: grid; grid-template-columns: 1fr 1fr;
    gap: 64px; align-items: center;
}
.about-visual {
    background: linear-gradient(145deg, var(--c-blue-50), var(--c-blue-100));
    border-radius: var(--radius-lg); padding: 40px 36px;
    display: flex; flex-direction: column; gap: 16px;
    border: 1px solid var(--c-blue-100);
}
.stat-block {
    background: var(--c-white); border-radius: var(--radius);
    padding: 18px 22px; box-shadow: var(--shadow-sm);
    border: 1px solid var(--c-gray-100);
}
.stat-num {
    font-size: 2rem; font-weight: 800; color: var(--c-blue-700);
    line-height: 1.1; display: block;
}
.stat-label {
    font-size: 0.82rem; color: var(--c-gray-500);
    font-weight: 500; display: block; margin-top: 2px;
}
.about-content > p { color: var(--c-gray-500); margin-bottom: 20px; line-height: 1.75; }
.value-list { margin-top: 4px; }
.value-list li { display: flex; gap: 14px; padding: 13px 0; border-bottom: 1px solid var(--c-gray-100); }
.value-list li:last-child { border-bottom: none; }
.v-check {
    width: 22px; height: 22px; background: var(--c-blue-700);
    border-radius: 50%; display: flex; align-items: center;
    justify-content: center; flex-shrink: 0; margin-top: 1px;
}
.v-check svg { width: 11px; height: 11px; fill: none; stroke: white; stroke-width: 2.5; stroke-linecap: round; }
.value-list li strong { display: block; font-size: 0.9rem; color: var(--c-gray-900); margin-bottom: 2px; }
.value-list li p { font-size: 0.845rem; color: var(--c-gray-500); line-height: 1.5; margin: 0; }
@media (max-width: 768px) { .about-intro { grid-template-columns: 1fr; gap: 32px; } }

.cert-grid {
    display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 22px;
}
.cert-card {
    background: var(--c-white); border: 1px solid var(--c-gray-200);
    border-radius: var(--radius-lg); padding: 26px 22px; transition: all 0.18s;
}
.cert-card:hover { box-shadow: var(--shadow-md); border-color: var(--c-blue-100); transform: translateY(-2px); }
.cert-icon-box {
    width: 50px; height: 50px; background: var(--c-blue-50); border-radius: var(--radius);
    display: flex; align-items: center; justify-content: center; margin-bottom: 16px;
}
.cert-icon-box svg {
    width: 24px; height: 24px; fill: none;
    stroke: var(--c-blue-700); stroke-width: 1.75; stroke-linecap: round; stroke-linejoin: round;
}
.cert-card h3 { font-size: 0.975rem; margin-bottom: 7px; }
.cert-card p  { font-size: 0.865rem; color: var(--c-gray-500); line-height: 1.6; margin: 0; }

/* ============================================================
   CONTACT PAGE
   ============================================================ */
.contact-layout {
    display: grid; grid-template-columns: 1fr 1.6fr;
    gap: 52px; align-items: start;
}
.contact-panel {
    background: var(--c-blue-50); border: 1px solid var(--c-blue-100);
    border-radius: var(--radius-lg); padding: 34px 30px;
}
.contact-panel h3 { font-size: 1.15rem; color: var(--c-blue-900); margin-bottom: 24px; }
.contact-detail { display: flex; gap: 14px; margin-bottom: 22px; align-items: flex-start; }
.contact-detail:last-of-type { margin-bottom: 0; }
.c-icon {
    width: 40px; height: 40px; background: var(--c-white);
    border-radius: var(--radius); display: flex; align-items: center;
    justify-content: center; flex-shrink: 0;
    border: 1px solid var(--c-blue-100); box-shadow: var(--shadow-sm);
}
.c-icon svg {
    width: 18px; height: 18px; fill: none;
    stroke: var(--c-blue-700); stroke-width: 1.75; stroke-linecap: round; stroke-linejoin: round;
}
.c-detail-label {
    display: block; font-size: 0.72rem; font-weight: 700;
    letter-spacing: 0.1em; text-transform: uppercase; color: var(--c-gray-400); margin-bottom: 3px;
}
.c-detail-value { font-size: 0.95rem; color: var(--c-gray-900); font-weight: 500; }
.c-detail-value a { color: var(--c-blue-700); }
.c-detail-value a:hover { color: var(--c-blue-600); }
.c-divider { height: 1px; background: var(--c-blue-100); margin: 20px 0; }
.contact-form-card {
    background: var(--c-white); border: 1px solid var(--c-gray-200);
    border-radius: var(--radius-lg); padding: 38px 36px; box-shadow: var(--shadow-sm);
}
.contact-form-card h3 { font-size: 1.2rem; margin-bottom: 6px; }
.contact-form-card > p { color: var(--c-gray-500); font-size: 0.9rem; margin-bottom: 28px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-group { margin-bottom: 18px; }
.form-group label {
    display: block; font-size: 0.835rem; font-weight: 600;
    color: var(--c-gray-700); margin-bottom: 6px;
}
.req { color: var(--c-blue-600); margin-left: 2px; }
.form-control {
    width: 100%; padding: 10px 13px;
    border: 1.5px solid var(--c-gray-200); border-radius: var(--radius);
    font-size: 0.945rem; font-family: var(--font); color: var(--c-gray-900);
    background: var(--c-white); transition: border-color 0.18s, box-shadow 0.18s;
    outline: none; -webkit-appearance: none;
}
.form-control:focus {
    border-color: var(--c-blue-600); box-shadow: 0 0 0 3px rgba(37,99,192,0.1);
}
.form-control::placeholder { color: var(--c-gray-400); }
textarea.form-control { min-height: 128px; resize: vertical; }
.form-note {
    font-size: 0.8rem; color: var(--c-gray-400); margin-top: 14px; line-height: 1.5;
}
@media (max-width: 768px) {
    .contact-layout { grid-template-columns: 1fr; gap: 24px; }
    .contact-form-card { padding: 24px 20px; }
    .form-row { grid-template-columns: 1fr; }
}

/* ============================================================
   UNSUBSCRIBE PAGE
   ============================================================ */
.unsub-wrap {
    max-width: 520px; margin-inline: auto;
    text-align: center; padding-block: 80px;
}
.unsub-icon {
    width: 68px; height: 68px; background: var(--c-gray-100);
    border-radius: 50%; display: flex; align-items: center;
    justify-content: center; margin: 0 auto 22px;
}
.unsub-icon svg {
    width: 30px; height: 30px; fill: none;
    stroke: var(--c-gray-400); stroke-width: 1.5; stroke-linecap: round; stroke-linejoin: round;
}
.unsub-wrap h1 { font-size: 1.75rem; color: var(--c-blue-900); margin-bottom: 12px; }
.unsub-wrap > p { color: var(--c-gray-500); margin-bottom: 32px; line-height: 1.7; }
.unsub-options {
    background: var(--c-gray-50); border: 1px solid var(--c-gray-200);
    border-radius: var(--radius-lg); padding: 24px 28px;
    text-align: left; margin-bottom: 24px;
}
.unsub-option {
    display: flex; gap: 14px; align-items: flex-start;
    padding: 14px 0; border-bottom: 1px solid var(--c-gray-200);
}
.unsub-option:last-child { border-bottom: none; padding-bottom: 0; }
.unsub-option:first-child { padding-top: 0; }
.unsub-num {
    width: 26px; height: 26px; background: var(--c-blue-700); color: white;
    border-radius: 50%; display: flex; align-items: center;
    justify-content: center; font-size: 0.78rem; font-weight: 700; flex-shrink: 0;
}
.unsub-option strong { display: block; font-size: 0.875rem; color: var(--c-gray-900); margin-bottom: 3px; }
.unsub-option p { font-size: 0.83rem; color: var(--c-gray-500); line-height: 1.55; margin: 0; }
.unsub-form-card {
    background: var(--c-white); border: 1px solid var(--c-gray-200);
    border-radius: var(--radius-lg); padding: 26px 28px;
    text-align: left; margin-bottom: 24px;
}
.unsub-form-card h3 { font-size: 0.975rem; margin-bottom: 16px; }
.privacy-note {
    background: var(--c-blue-50); border: 1px solid var(--c-blue-100);
    border-radius: var(--radius); padding: 14px 18px;
    font-size: 0.815rem; color: var(--c-gray-500); line-height: 1.6; text-align: left;
}
.privacy-note strong { color: var(--c-gray-700); }

/* ============================================================
   CLEARANCE PRICE BOX (Products page)
   ============================================================ */
.price-box {
    grid-column: 1 / -1;
    background: linear-gradient(135deg, #06111f 0%, var(--c-blue-900) 100%);
    border: 2px solid var(--c-blue-600);
    border-radius: var(--radius-lg);
    padding: 28px 32px;
}
.price-box-eyebrow {
    font-size: 0.7rem; font-weight: 700; letter-spacing: 0.14em; text-transform: uppercase;
    color: #93c5fd; margin-bottom: 10px;
    display: flex; align-items: center; gap: 12px;
}
.price-box-eyebrow::after {
    content: ''; flex: 1; height: 1px; background: rgba(147,197,253,0.2);
}
.price-box h3 { font-size: 1.2rem; color: var(--c-white); font-weight: 700; margin-bottom: 16px; }
.price-row {
    display: flex; align-items: baseline; gap: 16px; flex-wrap: wrap; margin-bottom: 20px;
}
.price-was {
    font-size: 1.1rem; color: rgba(255,255,255,0.4);
    text-decoration: line-through; font-weight: 500;
}
.price-now {
    font-size: 2.6rem; font-weight: 800; color: #fbbf24;
    line-height: 1; letter-spacing: -0.02em;
}
.price-now sub { font-size: 1rem; font-weight: 600; color: #fcd34d; vertical-align: baseline; }
.price-save {
    background: #fbbf24; color: #111827;
    font-size: 0.72rem; font-weight: 800; letter-spacing: 0.06em; text-transform: uppercase;
    padding: 5px 13px; border-radius: 20px; align-self: center;
}
.price-notes { display: flex; flex-direction: column; gap: 9px; margin-bottom: 24px; }
.pn-item {
    display: flex; gap: 10px; align-items: flex-start;
    font-size: 0.875rem; color: rgba(255,255,255,0.75); line-height: 1.5;
}
.pn-dot {
    width: 6px; height: 6px; border-radius: 50%; background: var(--c-blue-500);
    flex-shrink: 0; margin-top: 7px;
}
.pn-item.pn-urgent { color: #fde68a; font-weight: 600; }
.pn-item.pn-urgent .pn-dot { background: #fbbf24; }
.price-cta {
    background: #fbbf24; border-color: #fbbf24; color: #111827; font-weight: 700;
}
.price-cta:hover {
    background: #f59e0b; border-color: #f59e0b; color: #111827;
    transform: translateY(-1px); box-shadow: 0 4px 14px rgba(251,191,36,0.4);
}
.price-disclosure {
    font-size: 0.775rem; color: rgba(255,255,255,0.38); line-height: 1.55;
    border-top: 1px solid rgba(255,255,255,0.08); padding-top: 14px; margin-top: 20px;
}
@media (max-width: 600px) {
    .price-box { padding: 20px 18px; }
    .price-now { font-size: 2rem; }
}
.price-per-unit {
    font-size: 1rem; font-weight: 600; color: #93c5fd;
    margin: -10px 0 20px;
}
.bulk-deal-band {
    background: linear-gradient(90deg, #0f2744 0%, #1b4d9b 100%);
    border: 1px solid #fbbf24;
    border-radius: 6px;
    padding: 10px 16px;
    text-align: center;
    font-size: 0.78rem; font-weight: 800; letter-spacing: 0.09em; text-transform: uppercase;
    color: #fbbf24;
    margin-bottom: 20px;
}
.hpc-bulk-deal {
    margin-top: 8px;
    background: #111827; color: #fbbf24;
    font-size: 0.62rem; font-weight: 800; letter-spacing: 0.1em; text-transform: uppercase;
    padding: 5px 10px; border-radius: 4px; text-align: center;
}

/* ============================================================
   HERO CLEARANCE TAG (Homepage)
   ============================================================ */
.hero-clearance-tag {
    display: flex; align-items: center; gap: 12px; flex-wrap: wrap;
    background: rgba(251,191,36,0.1); border: 1px solid rgba(251,191,36,0.28);
    border-radius: var(--radius); padding: 10px 16px; margin-bottom: 28px;
    font-size: 0.92rem; color: rgba(255,255,255,0.88); line-height: 1.5;
}
.clearance-flash {
    background: #fbbf24; color: #111827; font-size: 0.67rem; font-weight: 800;
    letter-spacing: 0.11em; text-transform: uppercase;
    padding: 3px 9px; border-radius: 3px; flex-shrink: 0;
}

/* ============================================================
   CONTACT EMAIL BUTTON
   ============================================================ */
.c-email-btn {
    display: inline-flex; align-items: center; gap: 8px;
    background: var(--c-blue-700); color: var(--c-white);
    padding: 9px 18px; border-radius: var(--radius);
    font-size: 0.875rem; font-weight: 600; text-decoration: none;
    transition: background 0.15s, transform 0.15s;
    margin-top: 12px;
}
.c-email-btn:hover {
    background: var(--c-blue-600); color: var(--c-white); transform: translateY(-1px);
}
.c-email-btn svg {
    width: 15px; height: 15px; fill: none; stroke: currentColor;
    stroke-width: 1.75; stroke-linecap: round; stroke-linejoin: round; flex-shrink: 0;
}