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

:root {
    --blog-primary: #2563eb;
    --blog-secondary: #1e40af;
    --blog-accent: #3b82f6;
    --blog-warm: #f59e0b;
    --blog-text: #111827;
    --blog-text-light: #6b7280;
    --blog-bg: #ffffff;
    --blog-bg-light: #f9fafb;
    --blog-bg-soft: #eef4ff;
    --blog-border: #e5e7eb;
    --blog-shadow-sm: 0 4px 14px rgba(15, 23, 42, 0.06);
    --blog-shadow-md: 0 12px 28px rgba(15, 23, 42, 0.1);
    --blog-radius: 16px;
}

html { scroll-behavior: smooth; }

body {
    font-family: 'Inter', sans-serif;
    color: var(--blog-text);
    background-color: var(--blog-bg);
    line-height: 1.65;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}

img { max-width: 100%; display: block; }

.skip-link {
    position: absolute;
    top: -40px;
    left: 12px;
    background: #fff;
    color: var(--blog-primary);
    padding: 8px 12px;
    border-radius: 8px;
    z-index: 9999;
    font-weight: 600;
}
.skip-link:focus { top: 12px; }

/* ---------------- Header ---------------- */
.blog-header {
    background: linear-gradient(135deg, var(--blog-primary) 0%, var(--blog-secondary) 100%);
    padding: 1.1rem 0;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    position: sticky;
    top: 0;
    z-index: 100;
}

.blog-nav {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
}

.nav-brand a {
    font-family: 'Playfair Display', serif;
    font-size: 1.5rem;
    font-weight: 700;
    color: white;
    text-decoration: none;
    transition: opacity 0.3s;
}
.nav-brand a:hover { opacity: 0.85; }

.nav-links {
    display: flex;
    gap: 2rem;
    align-items: center;
}

.nav-links a {
    color: white;
    text-decoration: none;
    font-weight: 500;
    transition: opacity 0.3s, transform 0.2s;
    position: relative;
}
.nav-links a::after {
    content: '';
    position: absolute;
    left: 0; bottom: -6px;
    width: 0; height: 2px;
    background: rgba(255,255,255,0.85);
    transition: width 0.25s;
}
.nav-links a:hover { opacity: 0.95; }
.nav-links a:hover::after { width: 100%; }

.blog-nav-toggle {
    display: none;
    width: 42px;
    height: 42px;
    background: rgba(255,255,255,0.18);
    border: 1px solid rgba(255,255,255,0.4);
    border-radius: 10px;
    cursor: pointer;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 5px;
    padding: 0;
}
.blog-nav-toggle span {
    display: block;
    width: 20px;
    height: 2px;
    background: #fff;
    transition: transform 0.25s, opacity 0.25s;
}
.blog-nav-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.blog-nav-toggle.open span:nth-child(2) { opacity: 0; }
.blog-nav-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ---------------- Hero ---------------- */
.blog-hero {
    background: linear-gradient(135deg, var(--blog-primary) 0%, var(--blog-secondary) 100%);
    color: white;
    padding: 5rem 2rem 6rem;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.blog-hero-inner { position: relative; z-index: 2; }

.blog-eyebrow {
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 4px;
    color: rgba(255,255,255,0.8);
    font-weight: 600;
    margin-bottom: 1rem;
}

.blog-title {
    font-family: 'Playfair Display', serif;
    font-size: clamp(2.5rem, 6vw, 3.8rem);
    font-weight: 700;
    margin-bottom: 1rem;
    animation: fadeInUp 0.8s ease-out;
    letter-spacing: -1px;
}

.blog-subtitle {
    font-size: clamp(1rem, 2vw, 1.25rem);
    opacity: 0.92;
    animation: fadeInUp 0.8s ease-out 0.2s both;
    max-width: 60ch;
    margin: 0 auto;
}

.blog-hero-deco {
    position: absolute;
    inset: 0;
    pointer-events: none;
    overflow: hidden;
}
.blog-hero-deco span {
    position: absolute;
    border-radius: 50%;
    background: rgba(255,255,255,0.08);
    filter: blur(2px);
    animation: float 9s ease-in-out infinite;
}
.blog-hero-deco span:nth-child(1) {
    width: 220px; height: 220px;
    top: -60px; left: -60px;
}
.blog-hero-deco span:nth-child(2) {
    width: 140px; height: 140px;
    bottom: -40px; right: 10%;
    animation-delay: 1.5s;
}
.blog-hero-deco span:nth-child(3) {
    width: 90px; height: 90px;
    top: 30%; right: -20px;
    animation-delay: 3s;
}

@keyframes float {
    0%, 100% { transform: translateY(0) scale(1); }
    50% { transform: translateY(-20px) scale(1.05); }
}

/* ---------------- Container & Toolbar ---------------- */
.blog-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 3rem 2rem;
}

.blog-toolbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    margin-bottom: 2.5rem;
    flex-wrap: wrap;
}

.blog-search {
    position: relative;
    flex: 1;
    max-width: 360px;
    min-width: 220px;
}
.blog-search input {
    width: 100%;
    padding: 0.8rem 1rem 0.8rem 2.6rem;
    border: 2px solid var(--blog-border);
    border-radius: 999px;
    font-family: inherit;
    font-size: 0.95rem;
    background: var(--blog-bg);
    color: var(--blog-text);
    transition: border-color 0.25s, box-shadow 0.25s;
}
.blog-search input:focus {
    outline: none;
    border-color: var(--blog-primary);
    box-shadow: 0 0 0 4px rgba(37, 99, 235, 0.15);
}
.search-icon {
    position: absolute;
    left: 0.9rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--blog-text-light);
}

.blog-filters {
    display: flex;
    gap: 0.6rem;
    flex-wrap: wrap;
}

.filter-btn {
    padding: 0.6rem 1.2rem;
    border: 2px solid var(--blog-border);
    background: white;
    color: var(--blog-text);
    border-radius: 50px;
    cursor: pointer;
    font-weight: 500;
    transition: all 0.25s ease;
    font-family: 'Inter', sans-serif;
    font-size: 0.9rem;
}
.filter-btn:hover {
    border-color: var(--blog-primary);
    color: var(--blog-primary);
    transform: translateY(-1px);
}
.filter-btn.active {
    background: var(--blog-primary);
    color: white;
    border-color: var(--blog-primary);
    box-shadow: 0 6px 16px rgba(37, 99, 235, 0.25);
}

/* ---------------- Posts Grid ---------------- */
.blog-posts {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 1.6rem;
}

.blog-post {
    background: white;
    border-radius: var(--blog-radius);
    overflow: hidden;
    box-shadow: var(--blog-shadow-sm);
    transition: all 0.3s ease;
    opacity: 0;
    transform: translateY(20px);
    animation: fadeInUp 0.6s ease-out forwards;
    border: 1px solid var(--blog-border);
    display: flex;
    flex-direction: column;
}

.blog-post:nth-child(1) { animation-delay: 0.05s; }
.blog-post:nth-child(2) { animation-delay: 0.12s; }
.blog-post:nth-child(3) { animation-delay: 0.18s; }
.blog-post:nth-child(4) { animation-delay: 0.24s; }
.blog-post:nth-child(5) { animation-delay: 0.3s; }

.blog-post:hover {
    transform: translateY(-6px);
    box-shadow: var(--blog-shadow-md);
    border-color: rgba(37, 99, 235, 0.25);
}

.post-image {
    width: 100%;
    height: 180px;
    background: linear-gradient(135deg, var(--blog-accent) 0%, var(--blog-primary) 100%);
    position: relative;
    overflow: hidden;
}
.blog-post:nth-child(2n) .post-image { background: linear-gradient(135deg, #06d6a0 0%, #0e9f6e 100%); }
.blog-post:nth-child(3n) .post-image { background: linear-gradient(135deg, var(--blog-warm) 0%, #ef4444 100%); }
.blog-post:nth-child(4n) .post-image { background: linear-gradient(135deg, #8b5cf6 0%, #6366f1 100%); }

.post-image-placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 3rem;
    transition: transform 0.4s ease;
    background:
        radial-gradient(circle at 30% 30%, rgba(255,255,255,0.18), transparent 50%),
        radial-gradient(circle at 70% 70%, rgba(255,255,255,0.1), transparent 50%);
}
.blog-post:hover .post-image-placeholder { transform: scale(1.1); }

.post-content {
    padding: 1.4rem 1.5rem 1.6rem;
    display: flex;
    flex-direction: column;
    flex: 1;
}

.post-meta {
    display: flex;
    gap: 0.75rem;
    margin-bottom: 0.9rem;
    font-size: 0.85rem;
    flex-wrap: wrap;
    align-items: center;
}

.post-category {
    background: var(--blog-bg-soft);
    color: var(--blog-primary);
    padding: 0.25rem 0.75rem;
    border-radius: 20px;
    font-weight: 600;
    font-size: 0.7rem;
    letter-spacing: 0.5px;
    text-transform: uppercase;
}

.post-date, .post-read { color: var(--blog-text-light); font-size: 0.8rem; }
.post-read::before { content: '· '; }

.post-title {
    font-family: 'Playfair Display', serif;
    font-size: 1.4rem;
    font-weight: 700;
    margin-bottom: 0.7rem;
    color: var(--blog-text);
    line-height: 1.3;
}

.post-excerpt {
    color: var(--blog-text-light);
    margin-bottom: 1.1rem;
    line-height: 1.6;
    font-size: 0.95rem;
    flex: 1;
}

.read-more {
    color: var(--blog-primary);
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    display: inline-block;
    align-self: flex-start;
    font-size: 0.95rem;
}

.read-more:hover {
    transform: translateX(4px);
    color: var(--blog-secondary);
}

.blog-empty {
    grid-column: 1 / -1;
    text-align: center;
    padding: 3rem 1rem;
    color: var(--blog-text-light);
    font-size: 1.05rem;
}

/* ---------------- Newsletter ---------------- */
.blog-newsletter { padding: 1rem 0 4rem; }
.newsletter-card {
    background: linear-gradient(135deg, var(--blog-primary), var(--blog-secondary));
    color: #fff;
    padding: 3rem;
    border-radius: 22px;
    box-shadow: 0 20px 40px rgba(37, 99, 235, 0.18);
    text-align: center;
}
.newsletter-card h2 {
    font-family: 'Playfair Display', serif;
    font-size: clamp(1.4rem, 3vw, 2rem);
    margin-bottom: 0.5rem;
}
.newsletter-card p {
    color: rgba(255, 255, 255, 0.85);
    margin-bottom: 1.6rem;
    max-width: 50ch;
    margin-left: auto;
    margin-right: auto;
}
.newsletter-form {
    display: flex;
    gap: 0.6rem;
    max-width: 460px;
    margin: 0 auto;
    flex-wrap: wrap;
    justify-content: center;
}
.newsletter-form input {
    flex: 1;
    min-width: 200px;
    padding: 0.85rem 1.1rem;
    border-radius: 999px;
    border: none;
    font-family: inherit;
    font-size: 0.95rem;
}
.newsletter-form input:focus { outline: 2px solid var(--blog-warm); }
.newsletter-form button {
    padding: 0.85rem 1.6rem;
    border-radius: 999px;
    background: var(--blog-warm);
    color: #fff;
    font-weight: 700;
    border: none;
    cursor: pointer;
    transition: transform 0.2s, background 0.2s;
}
.newsletter-form button:hover { transform: translateY(-2px); background: #d97706; }

/* ---------------- Footer ---------------- */
.blog-footer {
    background: var(--blog-bg-light);
    padding: 2rem;
    text-align: center;
    color: var(--blog-text-light);
    margin-top: 0;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    border-top: 1px solid var(--blog-border);
}
.blog-footer p { font-size: 0.9rem; }
.footer-links { display: flex; gap: 1.2rem; flex-wrap: wrap; }
.footer-links a {
    color: var(--blog-primary);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.9rem;
}
.footer-links a:hover { color: var(--blog-secondary); }

.blog-post.hidden { display: none; }

@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

@media (prefers-reduced-motion: reduce) {
    * { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
    .blog-hero-deco { display: none; }
}

/* ---------------- Responsive ---------------- */
@media (max-width: 768px) {
    .blog-nav { padding: 0 1.2rem; }
    .blog-nav-toggle { display: inline-flex; }
    .nav-links {
        position: absolute;
        top: 100%;
        left: 0; right: 0;
        background: var(--blog-secondary);
        flex-direction: column;
        align-items: stretch;
        gap: 0;
        max-height: 0;
        overflow: hidden;
        transition: max-height 0.3s ease;
    }
    .nav-links.open { max-height: 600px; }
    .nav-links a {
        padding: 1rem 1.4rem;
        border-bottom: 1px solid rgba(255,255,255,0.15);
    }
    .nav-links a::after { display: none; }

    .blog-hero { padding: 3.5rem 1.4rem 4rem; }
    .blog-toolbar { flex-direction: column; align-items: stretch; }
    .blog-search { max-width: none; }
    .blog-filters { justify-content: flex-start; }

    .blog-posts { grid-template-columns: 1fr; }
    .newsletter-card { padding: 2rem 1.4rem; }
}

@media (max-width: 420px) {
    .blog-container { padding: 2rem 1.1rem; }
    .post-content { padding: 1.2rem; }
}