/* ================= ROOT VARIABLES ================= */
:root {
    --primary: #007bff;
    --secondary: #6ec1ff;
    --text-dark: #0f172a;
    --text-muted: #64748b;
    --bg-light: #f4faff;
    --card-bg: #ffffff;
    --radius: 18px;
}

/* ================= GLOBAL ================= */
body {
    background: var(--bg-light);
    font-family: 'Poppins', system-ui, -apple-system, sans-serif;
    color: var(--text-dark);
    line-height: 1.6;
    margin: 0;
}

/* ================= HERO ================= */
.blog-hero {
    width: 100vw;
    margin-left: calc(-50vw + 50%);
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    padding: clamp(60px, 8vw, 100px) 20px;
    text-align: center;
    color: #fff;
}

.blog-hero h1 {
    font-size: clamp(2.2rem, 5vw, 3rem);
    font-weight: 700;
    margin-bottom: 16px;
}

.blog-hero p {
    font-size: clamp(1rem, 2vw, 1.125rem);
    max-width: 680px;
    margin: 0 auto;
    opacity: 0.95;
}

/* ================= SECTION ================= */
.blog-section {
    padding: 70px 0;
}

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

/* ================= GRID ================= */
.blog-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 32px;
}

/* ================= BLOG CARD ================= */
.blog-card {
    background: var(--card-bg);
    border-radius: var(--radius);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    box-shadow: 0 10px 30px rgba(0,0,0,.08);
    transition: transform 0.25s ease, box-shadow 0.25s ease;
    will-change: transform;
}

.blog-card:focus-within,
.blog-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 18px 45px rgba(0,0,0,.12);
}

/* ================= IMAGE ================= */
.blog-card img {
    width: 100%;
    max-height: 200px; /* limits image height for better balance */
    object-fit: cover;
    display: block;
    border-top-left-radius: var(--radius);
    border-top-right-radius: var(--radius);
    transition: transform 0.4s ease, filter 0.4s ease;
}

/* subtle zoom + brightness on hover for eye-catching effect */
.blog-card:hover img {
    transform: scale(1.05);
    filter: brightness(1.1);
}

/* responsive adjustments */
@media (max-width: 768px) {
    .blog-card img {
        max-height: 180px; /* slightly smaller on mobile */
    }
}

/* ================= CONTENT ================= */
.blog-content {
    padding: 26px;
    display: flex;
    flex-direction: column;
    flex-grow: 1;
}

/* DATE */
.blog-content .date {
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.04em;
    color: var(--primary);
    text-transform: uppercase;
    margin-bottom: 10px;
}

/* TITLE */
.blog-content h2 {
    font-size: 1.35rem;
    font-weight: 600;
    margin-bottom: 14px;
    line-height: 1.4;
}

.blog-content h2 a {
    color: var(--text-dark);
    text-decoration: none;
}

.blog-content h2 a:hover,
.blog-content h2 a:focus {
    color: var(--primary);
    outline: none;
}

/* EXCERPT */
.blog-content p {
    font-size: 0.95rem;
    color: var(--text-muted);
    margin-bottom: 22px;
    flex-grow: 1;
}

/* READ MORE */
.read-more {
    align-self: flex-start;
    color: var(--primary);
    font-weight: 600;
    font-size: 0.9rem;
    text-decoration: none;
    position: relative;
}

.read-more::after {
    content: "→";
    margin-left: 6px;
    transition: transform 0.3s ease;
}

.read-more:hover::after {
    transform: translateX(4px);
}

/* ================= ACCESSIBILITY ================= */
.blog-card a:focus {
    outline: 3px solid rgba(0,123,255,.35);
    outline-offset: 4px;
}

.blog-card a img {
    display: block;
}

/* ================= RESPONSIVE ================= */
@media (max-width: 768px) {
    .blog-section {
        padding: 50px 0;
    }

    .blog-content {
        padding: 20px;
    }
}