:root {
    --bg: #ffffff;
    --bg-soft: #f6f7f9;
    --card-bg: #ffffff;
    --text: #1a1a2e;
    --text-soft: #5a5a72;
    --border: #e4e5ea;
    --accent: #4f46e5;
    --radius: 12px;
    --nav-h: 68px;
}

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

body {
    font-family: 'Inter', system-ui, -apple-system, sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.6;
}

a {
    text-decoration: none;
    color: inherit;
}

img {
    max-width: 100%;
}

/* ===== NAVBAR ===== */
header.navbar {
    position: sticky;
    top: 0;
    z-index: 100;
    background: var(--bg);
    border-bottom: 1px solid var(--border);
}

.nav-inner {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 24px;
    height: var(--nav-h);
}

.logo {
    font-size: 21px;
    font-weight: 800;
    color: var(--accent);
}

nav.nav-links {
    display: flex;
    gap: 26px;
    align-items: center;
}

nav.nav-links a {
    font-size: 15px;
    font-weight: 500;
    color: var(--text-soft);
}

nav.nav-links a:hover,
nav.nav-links a.active {
    color: var(--accent);
}

.nav-right {
    display: flex;
    align-items: center;
    gap: 16px;
}

.badge-pill {
    font-size: 12px;
    font-weight: 600;
    color: var(--accent);
    background: #eef0fd;
    padding: 6px 14px;
    border-radius: 999px;
    white-space: nowrap;
}

.menu-btn {
    display: none;
    font-size: 24px;
    background: none;
    border: none;
    color: var(--text);
    cursor: pointer;
}

@media(max-width:860px) {
    nav.nav-links {
        position: fixed;
        top: var(--nav-h);
        left: 0;
        right: 0;
        background: var(--bg);
        flex-direction: column;
        padding: 20px 24px;
        border-bottom: 1px solid var(--border);
        display: none;
        gap: 16px;
    }

    nav.nav-links.show {
        display: flex;
    }

    .menu-btn {
        display: block;
    }

    .badge-pill {
        display: none;
    }
}

/* ===== HERO ===== */
.blog-hero {
    text-align: center;
    padding: 60px 20px 44px;
    background: var(--bg-soft);
    border-bottom: 1px solid var(--border);
}

.hero-tag {
    display: inline-block;
    font-size: 13px;
    font-weight: 600;
    color: var(--accent);
    background: #eef0fd;
    padding: 6px 16px;
    border-radius: 999px;
    margin-bottom: 18px;
}

.blog-hero h1 {
    font-size: clamp(26px, 4.5vw, 40px);
    font-weight: 800;
    margin-bottom: 14px;
}

.blog-hero p {
    max-width: 600px;
    margin: 0 auto;
    color: var(--text-soft);
    font-size: 16px;
}

/* ===== BLOG GRID ===== */
.blog-section {
    max-width: 1200px;
    margin: 0 auto;
    padding: 36px 24px 80px;
}

.blog-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

@media(max-width:980px) {
    .blog-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media(max-width:640px) {
    .blog-grid {
        grid-template-columns: 1fr;
    }
}

.blog-card {
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

.blog-card:hover {
    border-color: var(--accent);
}

.card-banner {
    height: 120px;
    background: var(--bg-soft);
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 38px;
}

.card-body {
    padding: 20px;
    display: flex;
    flex-direction: column;
    flex: 1;
}

.card-cat {
    font-size: 11.5px;
    font-weight: 700;
    color: var(--accent);
    text-transform: uppercase;
    letter-spacing: .04em;
    margin-bottom: 10px;
}

.card-body h3 {
    font-size: 17px;
    font-weight: 700;
    margin-bottom: 10px;
    line-height: 1.35;
}

.card-body p {
    font-size: 14px;
    color: var(--text-soft);
    flex: 1;
    margin-bottom: 16px;
}

.card-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 12.5px;
    color: var(--text-soft);
    border-top: 1px solid var(--border);
    padding-top: 14px;
    margin-top: auto;
}

.read-more {
    font-size: 14px;
    font-weight: 700;
    color: var(--accent);
}

/* ===== CTA ===== */
.blog-cta {
    background: var(--bg-soft);
    border-top: 1px solid var(--border);
    text-align: center;
    padding: 54px 24px;
}

.blog-cta h2 {
    font-size: 24px;
    font-weight: 800;
    margin-bottom: 10px;
}

.blog-cta p {
    color: var(--text-soft);
    margin-bottom: 22px;
}

.cta-btn {
    display: inline-block;
    background: var(--accent);
    color: #fff;
    font-weight: 700;
    font-size: 15px;
    padding: 13px 30px;
    border-radius: 8px;
}

/* ===== FOOTER ===== */
footer {
    background: var(--bg);
    border-top: 1px solid var(--border);
    padding: 46px 24px 24px;
}

.footer-inner {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    gap: 30px;
    margin-bottom: 30px;
}

.footer-brand h3 {
    font-size: 19px;
    font-weight: 800;
    margin-bottom: 6px;
    color: var(--accent);
}

.footer-brand p {
    color: var(--text-soft);
    font-size: 14px;
}

.footer-links {
    display: flex;
    gap: 40px;
    flex-wrap: wrap;
}

.footer-col a {
    display: block;
    color: var(--text-soft);
    font-size: 14px;
    margin-bottom: 10px;
}

.footer-col a:hover {
    color: var(--accent);
}

.footer-bottom {
    max-width: 1200px;
    margin: 0 auto;
    border-top: 1px solid var(--border);
    padding-top: 20px;
    font-size: 13px;
    color: var(--text-soft);
    text-align: center;
}