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

body {
    margin: 0;
    font-family: system-ui, -apple-system, BlinkMacSystemFont, "Inter", sans-serif;
    background: #F8FAFC;
    color: #0E3A5E;
}

/* Containers */
.container {
    max-width: 1150px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Header */
.header {
    background: #ffffff;
    border-bottom: 1px solid #E3ECF4;
    position: sticky;
    top: 0;
    z-index: 1000;
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 10px 0;
}

.logo {
    height: 44px;
}

.nav-links {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
    list-style: none;
    margin: 0;
    padding: 0;
}

.nav-links a {
    text-decoration: none;
    color: #0E3A5E;
    font-weight: 500;
    font-size: 0.92rem;
}

.nav-links a:hover {
    text-decoration: underline;
}

/* Hero */
.hero {
    position: relative;
    height: 380px;
    border-radius: 0 0 18px 18px;
    overflow: hidden;
}

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

.hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(0,0,0,0.55), rgba(0,0,0,0.1));
}

.hero-content {
    position: absolute;
    left: 50%;
    bottom: 40px;
    transform: translateX(-50%);
    color: #ffffff;
    text-align: left;
}

.hero h1 {
    font-size: 2.4rem;
    margin: 0 0 4px;
}

.tagline {
    font-size: 1.1rem;
    margin: 0 0 6px;
}

.subtext {
    margin: 0 0 12px;
    max-width: 420px;
}

.btn {
    display: inline-block;
    background: #75E6DA;
    color: #0E3A5E;
    padding: 10px 18px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    font-size: 0.95rem;
}

/* Sections */
section {
    padding: 32px 0;
}

h2 {
    margin: 0 0 8px;
    font-size: 1.5rem;
}

.section-intro {
    margin: 0 0 18px;
    color: #4A6680;
    font-size: 0.95rem;
}

/* Cards */
.cards {
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
    margin-top: 10px;
}

.card {
    flex: 1 1 260px;
    background: #ffffff;
    padding: 18px;
    border-radius: 14px;
    text-align: left;
    box-shadow: 0 4px 10px rgba(0,0,0,0.04);
}

.card img {
    height: 50px;
    margin-bottom: 10px;
}

.card h3 {
    margin: 0 0 6px;
    font-size: 1.05rem;
}

.card p {
    margin: 0;
    font-size: 0.9rem;
    color: #4A6680;
}

/* Grids */
.grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
    gap: 16px;
    margin-top: 16px;
}

.guide-card {
    background: #ffffff;
    padding: 14px 16px;
    border-radius: 12px;
    box-shadow: 0 3px 8px rgba(0,0,0,0.04);
    font-size: 0.95rem;
}

/* Category icons */
.category-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 18px;
    margin-top: 14px;
}

.cat {
    background: #ffffff;
    padding: 18px;
    border-radius: 14px;
    text-align: center;
    text-decoration: none;
    color: #0E3A5E;
    box-shadow: 0 4px 10px rgba(0,0,0,0.04);
}

.cat img {
    height: 48px;
    margin-bottom: 8px;
}

.cat p {
    margin: 0;
    font-weight: 500;
}

/* Newsletter */
.newsletter {
    background: #3AA9FF;
    color: #ffffff;
}

.newsletter-inner {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 18px;
}

.newsletter h2 {
    margin-bottom: 4px;
}

.newsletter p {
    margin: 0;
    max-width: 420px;
}

.newsletter-form {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.newsletter input {
    padding: 10px 12px;
    border-radius: 8px;
    border: none;
    min-width: 230px;
    font-size: 0.95rem;
}

.newsletter button {
    padding: 10px 18px;
    border-radius: 8px;
    border: none;
    background: #0E3A5E;
    color: #ffffff;
    font-weight: 600;
    cursor: pointer;
}

/* Footer */
.footer {
    background: #0E3A5E;
    color: #ffffff;
    padding: 22px 0;
    margin-top: 20px;
}

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

.footer-logo {
    height: 32px;
    display: block;
    margin-bottom: 6px;
}

.footer-left p {
    margin: 0;
    font-size: 0.85rem;
}

.footer-links {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}

.footer-links a {
    color: #ffffff;
    text-decoration: none;
    font-size: 0.9rem;
}

.footer-links a:hover {
    text-decoration: underline;
}

/* Responsive tweaks */
@media (max-width: 768px) {
    .hero {
        height: 320px;
    }

    .hero-content {
        left: 20px;
        right: 20px;
        transform: none;
    }

    .hero h1 {
        font-size: 2rem;
    }

    .header-inner {
        flex-direction: column;
        align-items: flex-start;
    }

    .nav-links {
        margin-top: 8px;
        gap: 10px;
        font-size: 0.88rem;
    }
}
/* === Article page layout === */

.article-hero {
    background: linear-gradient(120deg, #3AA9FF, #75E6DA);
    color: #ffffff;
    padding: 40px 0 30px;
}

.article-hero-inner {
    display: flex;
    gap: 20px;
    align-items: stretch;
    flex-wrap: wrap;
}

.article-hero-text {
    flex: 2 1 280px;
}

.article-tag {
    text-transform: uppercase;
    letter-spacing: 0.08em;
    font-size: 0.75rem;
    opacity: 0.85;
    margin: 0 0 6px;
}

.article-hero-sub {
    margin: 6px 0 12px;
    max-width: 520px;
}

.article-hero-card {
    flex: 1 1 220px;
    background: rgba(255,255,255,0.12);
    border-radius: 14px;
    padding: 16px 18px;
    backdrop-filter: blur(4px);
}

.article-hero-card h2 {
    font-size: 1.05rem;
    margin-top: 0;
}

.article-hero-card ul {
    list-style: none;
    padding: 0;
    margin: 8px 0 0;
    font-size: 0.9rem;
}

.article-hero-card li {
    margin-bottom: 4px;
}

/* Main article content */

.article {
    padding-top: 26px;
    padding-bottom: 40px;
}

.article-layout {
    display: flex;
    gap: 26px;
    flex-wrap: wrap;
}

.article-main {
    flex: 2 1 360px;
}

.article-section {
    margin-bottom: 22px;
}

.article-section h2 {
    font-size: 1.35rem;
    margin-bottom: 6px;
}

.article-section p {
    font-size: 0.96rem;
    line-height: 1.55;
}

.article-section ul,
.article-section ol {
    font-size: 0.95rem;
    line-height: 1.5;
}

.article-note,
.article-warning {
    padding: 10px 12px;
    border-radius: 10px;
    font-size: 0.9rem;
    margin-top: 10px;
}

.article-note {
    background: #E8F6FF;
    color: #0E3A5E;
}

.article-warning {
    background: #FDF2F2;
    color: #991B1B;
}

.article-ending ul {
    margin-top: 8px;
}

/* Sidebar */

.article-sidebar {
    flex: 1 1 260px;
}

.sidebar-card {
    background: #ffffff;
    border-radius: 14px;
    padding: 16px 18px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.04);
    margin-bottom: 16px;
}

.sidebar-card h3 {
    margin: 0 0 6px;
    font-size: 1rem;
}

.sidebar-small {
    font-size: 0.85rem;
    color: #4A6680;
    margin: 0 0 8px;
}

.sidebar-list {
    list-style: none;
    padding: 0;
    margin: 0;
    font-size: 0.9rem;
}

.sidebar-list li {
    margin-bottom: 6px;
}

/* Responsive tweaks for article page */

@media (max-width: 768px) {
    .article-hero-inner {
        flex-direction: column;
    }
}
.card-link {
    text-decoration: none;
    color: inherit;
    display: block;
}
/* === Top Picks Table === */

.top-picks-table {
    width: 100%;
    margin: 12px 0 20px;
    border-radius: 12px;
    overflow: hidden;
    border: 1px solid #dce7f1;
}

.tp-row {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    padding: 10px 12px;
    font-size: 0.95rem;
    border-bottom: 1px solid #edf2f7;
}

.tp-head {
    background: #F0F8FF;
    font-weight: bold;
}

.tp-row:last-child {
    border-bottom: none;
}

/* Product link box */

.product-link-box {
    background: #EAF7FF;
    padding: 10px 12px;
    border-radius: 10px;
    margin: 10px 0;
    font-size: 0.92rem;
    border: 1px solid #d0eaff;
}

/* Active nav link highlight */
.nav-links .active {
    color: #008CEB;
    font-weight: 600;
}