.blog-layout {
    max-width: 700px;
    margin: 0 auto;
    padding: 0 1.25rem 3rem;
}

/* Hero */
.blog-placeholder {
    text-align: center;
    padding: 2.5rem 1rem 2rem;
}

.blog-hero-icon {
    width: 70px;
    height: 70px;
    background: linear-gradient(135deg, #2563eb, #6366f1);
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.9rem;
    color: #fff;
    margin: 0 auto 1.2rem;
    box-shadow: 0 8px 28px rgba(37, 99, 235, 0.22);
}

.blog-eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-family: 'Montserrat', sans-serif;
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--primary, #2563eb);
    border: 1px solid rgba(37, 99, 235, 0.3);
    padding: 0.3rem 0.9rem;
    border-radius: 20px;
    margin-bottom: 1.25rem;
}

.blink-dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--primary, #2563eb);
    animation: blink 1.4s ease-in-out infinite;
}

@keyframes blink {

    0%,
    100% {
        opacity: 1;
    }

    50% {
        opacity: 0.2;
    }
}

.blog-title {
    font-family: 'Montserrat', sans-serif;
    font-size: clamp(1.5rem, 4vw, 2rem);
    font-weight: 700;
    color: var(--text, #1e293b);
    margin-bottom: 0.55rem;
    line-height: 1.25;
}

.construction-bar {
    height: 3px;
    background: var(--border, #e2e8f0);
    border-radius: 2px;
    margin: 1.25rem auto;
    max-width: 280px;
    position: relative;
    overflow: hidden;
}

.construction-bar::after {
    content: '';
    position: absolute;
    top: 0;
    left: -40%;
    width: 40%;
    height: 100%;
    background: linear-gradient(90deg, transparent, var(--primary, #2563eb), transparent);
    animation: bar-sweep 2.2s ease-in-out infinite;
}

@keyframes bar-sweep {
    0% {
        left: -40%;
    }

    100% {
        left: 140%;
    }
}

.blog-desc {
    font-family: 'Montserrat', sans-serif;
    font-size: 0.95rem;
    color: var(--text-muted, #64748b);
    max-width: 480px;
    margin: 0 auto 2rem;
    line-height: 1.75;
}

.blog-desc strong {
    color: var(--text, #1e293b);
    font-weight: 600;
}

/* Subscription form */
.subscribe-form {
    display: flex;
    gap: 0;
    max-width: 440px;
    margin: 0 auto 0.75rem;
    border-radius: 10px;
    overflow: hidden;
    border: 1.5px solid var(--border, #e2e8f0);
    transition: border-color 0.18s, box-shadow 0.18s;
}

.subscribe-form:focus-within {
    border-color: var(--primary, #2563eb);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.subscribe-input {
    flex: 1;
    border: none;
    outline: none;
    background: var(--bg-input, #f8fafc);
    color: var(--text, #1e293b);
    font-family: 'Montserrat', sans-serif;
    font-size: 0.88rem;
    padding: 0.8rem 1rem;
}

.subscribe-input::placeholder {
    color: var(--text-muted, #94a3b8);
}

.subscribe-btn {
    border: none;
    background: var(--primary, #2563eb);
    color: #fff;
    font-family: 'Montserrat', sans-serif;
    font-size: 0.82rem;
    font-weight: 700;
    padding: 0.8rem 1.2rem;
    cursor: pointer;
    white-space: nowrap;
    transition: background 0.15s;
    letter-spacing: 0.03em;
}

.subscribe-btn:hover {
    background: #1d4ed8;
}

.subscribe-note {
    font-family: 'Montserrat', sans-serif;
    font-size: 0.72rem;
    color: var(--text-muted, #94a3b8);
    text-align: center;
    margin-bottom: 0;
}

.subscribe-thanks {
    display: none;
    font-family: 'Montserrat', sans-serif;
    font-size: 0.9rem;
    font-weight: 600;
    color: #16a34a;
    margin-bottom: 1rem;
    text-align: center;
}

.form-error {
    display: none;
    font-family: 'Montserrat', sans-serif;
    font-size: 0.85rem;
    font-weight: 600;
    color: #dc2626;
    background: rgba(220, 38, 38, 0.08);
    border: 1.5px solid rgba(220, 38, 38, 0.25);
    border-radius: 8px;
    padding: 0.65rem 0.9rem;
    max-width: 440px;
    margin: 0 auto 0.85rem;
    text-align: center;
}

/* Divider */
.about-divider {
    border: none;
    border-top: 1px solid var(--border, #e2e8f0);
    margin: 2rem 0;
}

/* Topics Sections */
.topics-section {
    padding: 0 1.25rem 3rem;
}

.topics-inner {
    max-width: 700px;
    margin: 0 auto;
}

.topics-label {
    font-family: 'Montserrat', sans-serif;
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--primary, #2563eb);
    margin-bottom: 0.4rem;
}

.topics-heading {
    font-family: 'Montserrat', sans-serif;
    font-size: clamp(1.2rem, 3vw, 1.5rem);
    font-weight: 700;
    color: var(--text, #1e293b);
    margin-bottom: 0.4rem;
    line-height: 1.25;
}

.topics-sub {
    font-family: 'Montserrat', sans-serif;
    font-size: 0.88rem;
    color: var(--text-muted, #64748b);
    margin-bottom: 1.5rem;
}

.topics-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 0.85rem;
}

.topic-card {
    display: flex;
    flex-direction: column;
    background: var(--bg-alt, #f8fafc);
    border: 1.5px solid var(--border, #e2e8f0);
    border-radius: 12px;
    padding: 1.1rem;
    transition: border-color 0.18s, box-shadow 0.18s, transform 0.18s;
    cursor: default;
}

.topic-card:hover {
    border-color: var(--primary, #2563eb);
    box-shadow: 0 4px 16px rgba(37, 99, 235, 0.1);
    transform: translateY(-2px);
}

.topic-icon {
    width: 38px;
    height: 38px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.95rem;
    margin-bottom: 0.7rem;
    background: linear-gradient(135deg, #2563eb, #6366f1);
    color: #fff;
    flex-shrink: 0;
}

.topic-name {
    font-family: 'Montserrat', sans-serif;
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--text, #1e293b);
    margin-bottom: 0.2rem;
}

.topic-desc {
    font-family: 'Montserrat', sans-serif;
    font-size: 0.74rem;
    color: var(--text-muted, #64748b);
    line-height: 1.55;
    flex: 1;
}

.topic-chip {
    display: inline-block;
    margin-top: 0.6rem;
    font-size: 0.65rem;
    font-weight: 700;
    font-family: 'Montserrat', sans-serif;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    padding: 0.15rem 0.5rem;
    border-radius: 8px;
    background: rgba(37, 99, 235, 0.1);
    color: var(--primary, #2563eb);
    align-self: flex-start;
}

/* Back link */
.back-strip {
    text-align: center;
    padding: 1rem 1.25rem 2rem;
}

.back-link {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    font-family: 'Montserrat', sans-serif;
    font-size: 0.82rem;
    font-weight: 700;
    color: var(--text-muted, #64748b);
    text-decoration: none;
    padding: 0.5rem 1rem;
    border: 1.5px solid var(--border, #e2e8f0);
    border-radius: 8px;
    transition: all 0.15s;
}

.back-link:hover {
    border-color: var(--primary, #2563eb);
    color: var(--primary, #2563eb);
    background: rgba(37, 99, 235, 0.04);
}

@media (max-width: 520px) {
    .subscribe-form {
        flex-direction: column;
    }

    .subscribe-btn {
        border-radius: 0 0 8px 8px;
    }

    .topics-grid {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 360px) {
    .topics-grid {
        grid-template-columns: 1fr;
    }
}