:root {
    --primary: #1d4ed8;
    --primary-dark: #1e40af;
    --primary-light: #eff6ff;
    --accent: #d97706;
    --dark: #0f172a;
    --dark-surface: #1e293b;
    --text-main: #1e293b;
    --text-muted: #64748b;
    --bg-page: #f8fafc;
    --bg-card: #ffffff;
    --border-color: #cbd5e1;
    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 14px;
    --shadow: 0 4px 18px rgba(15, 23, 42, 0.08);
    --shadow-hover: 0 8px 26px rgba(29, 78, 216, 0.16);
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    color: var(--text-main);
    background-color: var(--bg-page);
    line-height: 1.65;
    font-size: 16px;
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Top Banner */
.senior-top-banner {
    background: #0f172a;
    color: #e2e8f0;
    padding: 8px 0;
    font-size: 0.9rem;
    border-bottom: 2px solid var(--primary);
}
.senior-banner-flex {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 12px;
}
.helpline-tag a {
    color: #60a5fa;
    font-weight: 700;
    text-decoration: none;
    font-size: 1rem;
}
.helpline-tag a:hover {
    text-decoration: underline;
}

/* Header */
.site-header {
    background: #ffffff;
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: 0 2px 8px rgba(0,0,0,0.04);
}
.nav-wrapper {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 20px;
}
.brand-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
    color: inherit;
}
.logo-box {
    width: 48px;
    height: 48px;
    background: linear-gradient(135deg, var(--primary), #1e3a8a);
    color: #ffffff;
    font-weight: 900;
    font-size: 1.25rem;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-md);
    box-shadow: 0 4px 10px rgba(29, 78, 216, 0.3);
}
.main-title {
    font-size: 1.45rem;
    font-weight: 800;
    color: var(--dark);
    display: block;
    line-height: 1.15;
}
.sub-title {
    font-size: 0.75rem;
    color: var(--primary);
    font-weight: 600;
    letter-spacing: 0.5px;
    text-transform: uppercase;
}

.main-navigation ul {
    list-style: none;
    display: flex;
    gap: 20px;
    align-items: center;
}
.main-navigation a {
    text-decoration: none;
    color: var(--text-main);
    font-weight: 600;
    font-size: 0.95rem;
    transition: color 0.2s;
}
.main-navigation a:hover,
.main-navigation a.active {
    color: var(--primary);
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 12px;
}
.btn-helpline-header {
    background: #eff6ff;
    border: 1px solid #bfdbfe;
    color: var(--primary);
    padding: 8px 16px;
    border-radius: 20px;
    text-decoration: none;
    font-weight: 700;
    font-size: 0.85rem;
    transition: all 0.2s;
}
.btn-helpline-header:hover {
    background: #dbeafe;
}
.btn-cart-header {
    background: var(--primary);
    color: #ffffff;
    padding: 8px 16px;
    border-radius: 20px;
    text-decoration: none;
    font-weight: 700;
    font-size: 0.85rem;
    transition: background 0.2s;
}
.btn-cart-header:hover {
    background: var(--primary-dark);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 24px;
    border-radius: var(--radius-sm);
    font-weight: 700;
    font-size: 1rem;
    text-decoration: none;
    cursor: pointer;
    border: none;
    transition: all 0.2s ease;
}
.btn-primary {
    background: var(--primary);
    color: #ffffff;
}
.btn-primary:hover {
    background: var(--primary-dark);
    box-shadow: 0 4px 14px rgba(29, 78, 216, 0.35);
}
.btn-secondary {
    background: #e2e8f0;
    color: var(--dark);
}
.btn-secondary:hover {
    background: #cbd5e1;
}

/* Hero */
.hero-section {
    padding: 60px 0;
    background: linear-gradient(180deg, #eff6ff 0%, #f8fafc 100%);
    border-bottom: 1px solid var(--border-color);
}
.hero-grid {
    display: grid;
    grid-template-columns: 1.15fr 0.85fr;
    gap: 40px;
    align-items: center;
}
.hero-tag {
    display: inline-block;
    background: #dbeafe;
    color: #1e40af;
    padding: 6px 14px;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 700;
    margin-bottom: 16px;
}
.hero-title {
    font-size: 2.6rem;
    color: var(--dark);
    line-height: 1.2;
    margin-bottom: 18px;
}
.hero-desc {
    font-size: 1.15rem;
    color: var(--text-muted);
    margin-bottom: 24px;
}
.hero-points {
    list-style: none;
    margin-bottom: 30px;
}
.hero-points li {
    margin-bottom: 10px;
    font-size: 1rem;
    display: flex;
    align-items: center;
    gap: 10px;
}
.hero-img {
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow);
    border: 1px solid var(--border-color);
    background: #e2e8f0;
    min-height: 320px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #64748b;
    font-size: 0.9rem;
}
.hero-img img {
    width: 100%;
    height: auto;
    display: block;
}

/* Senior Callout */
.senior-callout {
    background: linear-gradient(135deg, #1e3a8a, #0f172a);
    color: #ffffff;
    padding: 30px;
    border-radius: var(--radius-lg);
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 30px;
    align-items: center;
    margin: 40px 0;
    box-shadow: var(--shadow);
}
.senior-callout h3 {
    font-size: 1.6rem;
    margin-bottom: 8px;
    color: #93c5fd;
}
.senior-callout p {
    color: #cbd5e1;
    font-size: 0.95rem;
}
.callout-phone-box {
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: var(--radius-md);
    padding: 20px;
    text-align: center;
}
.callout-phone-box a {
    color: #ffffff;
    font-size: 1.8rem;
    font-weight: 800;
    text-decoration: none;
    display: block;
    margin: 6px 0;
}
.callout-phone-box span {
    font-size: 0.85rem;
    color: #93c5fd;
}

/* Sections */
.section-py {
    padding: 60px 0;
}
.section-header {
    text-align: center;
    max-width: 760px;
    margin: 0 auto 45px auto;
}
.section-tag {
    color: var(--primary);
    text-transform: uppercase;
    font-size: 0.85rem;
    font-weight: 700;
    letter-spacing: 1px;
    margin-bottom: 8px;
    display: block;
}
.section-title {
    font-size: 2.1rem;
    color: var(--dark);
    margin-bottom: 14px;
}
.section-desc {
    color: var(--text-muted);
    font-size: 1.05rem;
}

/* Products Grid */
.products-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}
.product-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    box-shadow: var(--shadow);
    transition: transform 0.2s, box-shadow 0.2s;
}
.product-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-hover);
}
.product-img-wrap {
    height: 200px;
    overflow: hidden;
    background: #e2e8f0;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #64748b;
    font-size: 0.85rem;
}
.product-img-wrap img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}
.product-body {
    padding: 20px;
    flex-grow: 1;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}
.product-badge {
    display: inline-block;
    background: var(--primary-light);
    color: var(--primary);
    font-size: 0.75rem;
    font-weight: 700;
    padding: 3px 8px;
    border-radius: 4px;
    margin-bottom: 10px;
    align-self: flex-start;
}
.product-title {
    font-size: 1.1rem;
    color: var(--dark);
    margin-bottom: 8px;
    line-height: 1.3;
}
.product-title a {
    color: inherit;
    text-decoration: none;
}
.product-title a:hover {
    color: var(--primary);
}
.product-desc {
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-bottom: 16px;
    line-height: 1.5;
}
.product-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    border-top: 1px solid #f1f5f9;
    padding-top: 14px;
}
.price-box .old {
    font-size: 0.85rem;
    color: #94a3b8;
    text-decoration: line-through;
    display: block;
}
.price-box .price {
    font-size: 1.4rem;
    font-weight: 800;
    color: var(--primary);
}

/* Cart */
.cart-table {
    width: 100%;
    border-collapse: collapse;
    background: #ffffff;
    border-radius: var(--radius-md);
    overflow: hidden;
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow);
    margin-bottom: 30px;
}
.cart-table th {
    background: #f1f5f9;
    padding: 14px 20px;
    text-align: left;
    font-size: 0.9rem;
    color: var(--dark);
}
.cart-table td {
    padding: 18px 20px;
    border-top: 1px solid #f1f5f9;
    vertical-align: middle;
}
.cart-summary-box {
    background: #ffffff;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 24px;
    box-shadow: var(--shadow);
}
.form-input {
    width: 100%;
    padding: 12px 14px;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    font-size: 1rem;
    margin-top: 6px;
    background: #ffffff;
}
.form-input:focus {
    outline: none;
    border-color: var(--primary);
}

/* Footer */
.site-footer {
    background: #0f172a;
    color: #cbd5e1;
    padding: 60px 0 25px 0;
    margin-top: 60px;
}
.footer-grid {
    display: grid;
    grid-template-columns: 1.3fr 0.9fr 0.9fr 1.2fr;
    gap: 35px;
    margin-bottom: 40px;
}
.footer-col h3 {
    color: #ffffff;
    font-size: 1.3rem;
    margin-bottom: 14px;
}
.footer-col h4 {
    color: #93c5fd;
    font-size: 1rem;
    margin-bottom: 14px;
    letter-spacing: 0.5px;
}
.footer-desc {
    font-size: 0.85rem;
    line-height: 1.6;
    margin-bottom: 16px;
}
.senior-support-pill {
    background: rgba(29, 78, 216, 0.2);
    border: 1px solid #1d4ed8;
    border-radius: var(--radius-sm);
    padding: 10px 14px;
    font-size: 0.8rem;
    color: #bfdbfe;
}
.footer-col ul {
    list-style: none;
}
.footer-col li {
    margin-bottom: 8px;
}
.footer-col a {
    color: #94a3b8;
    text-decoration: none;
    font-size: 0.85rem;
    transition: color 0.2s;
}
.footer-col a:hover {
    color: #ffffff;
}
.company-row {
    font-size: 0.85rem;
    margin-bottom: 6px;
    color: #94a3b8;
}
.gis-warning-container {
    background: #1e293b;
    border: 1px solid #334155;
    border-radius: var(--radius-sm);
    padding: 16px 20px;
    font-size: 0.8rem;
    color: #e2e8f0;
    line-height: 1.6;
    margin-bottom: 25px;
}
.footer-copyright {
    text-align: center;
    border-top: 1px solid #1e293b;
    padding-top: 20px;
    font-size: 0.8rem;
    color: #64748b;
}

/* Placeholder image style */
.img-placeholder {
    background: linear-gradient(135deg, #dbeafe, #e0e7ff);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #1e40af;
    font-weight: 600;
    font-size: 0.9rem;
    text-align: center;
    padding: 20px;
}

@media (max-width: 992px) {
    .products-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .hero-grid,
    .senior-callout {
        grid-template-columns: 1fr;
    }
    .footer-grid {
        grid-template-columns: 1fr 1fr;
    }
    .main-navigation {
        display: none;
    }
}
@media (max-width: 600px) {
    .products-grid {
        grid-template-columns: 1fr;
    }
    .footer-grid {
        grid-template-columns: 1fr;
    }
    .hero-title {
        font-size: 1.9rem;
    }
}