/* ============================================================================
   EXECUTIVE BRIEFING ENGINE - FINAL CENTERING & IMPACT FIX 
   ============================================================================ */
* { margin: 0; padding: 0; box-sizing: border-box; }

:root {
    --navy: #0f172a;
    --primary: #2563eb;
    --slate: #475569;
    --border: #e2e8f0;
    --max-width: 1000px; 
}

body {
    font-family: 'Inter', -apple-system, system-ui, sans-serif;
    line-height: 1.6;
    color: var(--navy);
    background: #e2e8f0; /* The 'Desk' background */
}

/* THE MASTER CONTAINER - Forces everything to the center */
.page-container {
    max-width: var(--max-width);
    margin: 0 auto; 
    background: white;
    box-shadow: 0 0 60px rgba(0,0,0,0.1);
    min-height: 100vh;
}

/* NAVIGATION */
nav {
    border-bottom: 1px solid var(--border);
    padding: 1.25rem 2.5rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: white;
}

/* DARK HEADER BLOCK */
.dark-header-block {
    background: var(--navy);
    color: white;
    width: 100%;
}

/* HERO SECTION WITH IMAGE OVERLAY */
.hero-impact {
    position: relative;
    height: 450px; 
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    background: var(--navy);
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0.4;
}

.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    padding: 0 2rem;
}

.hero-content h1 {
    font-size: clamp(2.2rem, 5vw, 3.8rem);
    font-weight: 900;
    line-height: 1.1;
    letter-spacing: -0.05em;
}

.hero-content p {
    text-shadow: 0 0 15px rgba(59, 130, 246, 0.5);
    letter-spacing: 0.1em;
}

/* BENTO GRID */
.bento-row {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    background: rgba(255,255,255,0.1);
    gap: 1px;
}

.bento-item {
    background: var(--navy);
    padding: 3rem 2.5rem;
}

.bento-item h3 {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    color: var(--primary);
    margin-bottom: 0.5rem;
}

.bento-item .value {
    font-size: clamp(2.2rem, 4vw, 3rem);
    font-weight: 900;
    line-height: 1;
    margin-bottom: 1rem;
    letter-spacing: -0.04em;
}

/* AUTHOR CARD */
.author-card {
    display: flex;
    align-items: center;
    gap: 2.5rem;
    background: #f8fafc;
    padding: 2rem;
    border-radius: 12px;
    margin-bottom: 3rem;
    border: 1px solid var(--border);
}

.author-image {
    width: 120px;
    height: 120px;
    border-radius: 50%;
    object-fit: cover;
    border: 4px solid white;
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
    flex-shrink: 0;
}

main { 
    padding: 4rem 2.5rem; 
    width: 100%;
}

.intro-text {
    max-width: 800px;
    margin: 0 auto;
}

footer {
    padding: 4rem 2.5rem;
    border-top: 1px solid var(--border);
    text-align: center;
    font-size: 0.85rem;
    color: var(--slate);
    background: white;
}

@media (max-width: 768px) {
    .bento-row { grid-template-columns: 1fr; }
    .author-card { flex-direction: column; text-align: center; }
}