/* =========================
   VALUE MANAGEMENT FOUNDATION
   Unified Blue-Gold Theme
   ========================= */

/* ROOT VARIABLES */
:root {
    --vmf-blue: #0b2c4a;
    --vmf-gold: #d4a017;
    --vmf-light: #f5f7fa;
    --vmf-dark: #111827;
    --vmf-text: #1f2933;
    --vmf-muted: #6b7280;
    --vmf-border: #e5e7eb;
    --vmf-radius: 6px;
}

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

body {
    font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    background-color: var(--vmf-light);
    color: var(--vmf-text);
    line-height: 1.6;
}

/* LINKS */
a {
    color: var(--vmf-blue);
    text-decoration: none;
}

a:hover {
    text-decoration: underline;
}

/* HEADER */
.header {
    background: var(--vmf-blue);
    color: #ffffff;
    padding: 1.5rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo h1 {
    font-size: 1.4rem;
    font-weight: 600;
}

.logo .tagline {
    font-size: 0.9rem;
    color: #e5e7eb;
}

/* NAVIGATION */
.nav ul {
    list-style: none;
    display: flex;
    gap: 1rem;
}

.nav a {
    color: #ffffff;
    font-size: 0.95rem;
    padding: 0.4rem 0.7rem;
    border-radius: var(--vmf-radius);
    transition: background 0.2s ease;
}

.nav a:hover {
    background: rgba(255, 255, 255, 0.12);
}

/* HERO */
.hero {
    background: linear-gradient(135deg, var(--vmf-blue), #12395f);
    color: #ffffff;
    padding: 3rem 2rem;
    text-align: center;
}

.hero-content h2 {
    font-size: 2rem;
    margin-bottom: 1rem;
}

.hero-content p {
    font-size: 1.05rem;
    margin-bottom: 1.5rem;
    max-width: 640px;
    margin-left: auto;
    margin-right: auto;
}

/* BUTTONS */
.cta-button {
    display: inline-block;
    background: var(--vmf-gold);
    color: #111827;
    padding: 0.7rem 1.4rem;
    border-radius: var(--vmf-radius);
    font-weight: 600;
    font-size: 0.95rem;
    text-decoration: none;
    transition: background 0.2s ease, transform 0.1s ease;
}

.cta-button:hover {
    background: #c08f10;
    transform: translateY(-1px);
}

.cta-link {
    display: inline-block;
    color: var(--vmf-blue);
    font-weight: 500;
    margin-top: 0.5rem;
}

/* SECTIONS */
.section {
    padding: 2.5rem 2rem;
    max-width: 960px;
    margin: 0 auto;
}

.section h2 {
    font-size: 1.6rem;
    margin-bottom: 1rem;
    color: var(--vmf-blue);
}

.section p {
    font-size: 0.98rem;
    color: var(--vmf-text);
}

/* PILLARS GRID */
.pillars .pillar-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 1rem;
    margin-top: 1.5rem;
}

.pillar {
    background: #ffffff;
    border-radius: var(--vmf-radius);
    border: 1px solid var(--vmf-border);
    padding: 1rem;
    box-shadow: 0 1px 2px rgba(15, 23, 42, 0.06);
}

.pillar h3 {
    font-size: 1.05rem;
    margin-bottom: 0.5rem;
    color: var(--vmf-blue);
}

.pillar p {
    font-size: 0.9rem;
    color: var(--vmf-muted);
}

/* THREADS / CERTIFICATION / GOVERNANCE SECTIONS */
.threads,
.certification,
.governance {
    background: #ffffff;
    border-top: 1px solid var(--vmf-border);
    border-bottom: 1px solid var(--vmf-border);
}

/* FOOTER */
.footer {
    background: var(--vmf-dark);
    color: #e5e7eb;
    text-align: center;
    padding: 1.5rem 1rem;
    font-size: 0.9rem;
    margin-top: 2rem;
}

.footer a {
    color: var(--vmf-gold);
}

/* RESPONSIVE */
@media (max-width: 768px) {
    .header {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.75rem;
    }

    .nav ul {
        flex-wrap: wrap;
        gap: 0.5rem;
    }

    .hero {
        padding: 2.5rem 1.5rem;
    }

    .section {
        padding: 2rem 1.5rem;
    }

    .pillars .pillar-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 480px) {
    .pillars .pillar-grid {
        grid-template-columns: 1fr;
    }
}