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

:root {
    --blue:    #1a56a0;
    --dark:    #0f1923;
    --light:   #f4f7fb;
    --grey:    #6b7a8d;
    --border:  #dce3ed;
    --white:   #ffffff;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    background: var(--white);
    color: var(--dark);
    line-height: 1.6;
    font-size: 16px;
}

/* NAV */
nav {
    border-bottom: 1px solid var(--border);
    padding: 0 2rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 60px;
    position: sticky;
    top: 0;
    background: var(--white);
    z-index: 100;
}
.logo {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--blue);
    text-decoration: none;
    letter-spacing: -0.3px;
}
.logo span { color: var(--dark); }
nav ul { list-style: none; display: flex; gap: 2rem; }
nav ul a {
    text-decoration: none;
    color: var(--grey);
    font-size: 0.9rem;
    font-weight: 500;
    transition: color 0.2s;
}
nav ul a:hover { color: var(--blue); }

/* HERO */
.hero {
    background: var(--dark);
    color: var(--white);
    padding: 5rem 2rem;
    text-align: center;
}
.hero h1 {
    font-size: 2.4rem;
    font-weight: 700;
    max-width: 700px;
    margin: 0 auto 1rem;
    line-height: 1.25;
}
.hero p {
    color: #8fa3bc;
    max-width: 560px;
    margin: 0 auto 2rem;
    font-size: 1.05rem;
}
.btn {
    display: inline-block;
    background: var(--blue);
    color: var(--white);
    padding: 0.7rem 1.8rem;
    border-radius: 4px;
    text-decoration: none;
    font-size: 0.95rem;
    font-weight: 500;
    transition: background 0.2s;
}
.btn:hover { background: #1447a0; }
.btn-outline {
    background: transparent;
    border: 1px solid #3a5a7a;
    color: #8fa3bc;
    margin-left: 0.75rem;
}
.btn-outline:hover { background: rgba(255,255,255,0.05); }

/* STATS BAR */
.stats {
    background: var(--light);
    border-bottom: 1px solid var(--border);
    display: flex;
    justify-content: center;
    gap: 4rem;
    padding: 1.5rem 2rem;
}
.stat { text-align: center; }
.stat .num {
    font-size: 1.6rem;
    font-weight: 700;
    color: var(--blue);
    display: block;
}
.stat .label {
    font-size: 0.8rem;
    color: var(--grey);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* SECTION */
section {
    max-width: 1000px;
    margin: 0 auto;
    padding: 4rem 2rem;
}
section h2 {
    font-size: 1.6rem;
    margin-bottom: 0.5rem;
    color: var(--dark);
}
.sub {
    color: var(--grey);
    margin-bottom: 2.5rem;
    font-size: 0.95rem;
}

/* CARDS */
.cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 1.5rem;
}
.card {
    border: 1px solid var(--border);
    border-radius: 6px;
    padding: 1.5rem;
    background: var(--white);
}
.card-icon {
    font-size: 1.5rem;
    margin-bottom: 0.75rem;
}
.card h3 {
    font-size: 1rem;
    margin-bottom: 0.4rem;
}
.card p {
    font-size: 0.88rem;
    color: var(--grey);
}

/* DIVIDER */
.divider {
    background: var(--light);
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
}

/* FOOTER */
footer {
    border-top: 1px solid var(--border);
    padding: 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.82rem;
    color: var(--grey);
}
footer a { color: var(--grey); text-decoration: none; }
footer a:hover { color: var(--blue); }
footer nav ul { gap: 1.5rem; }

/* PAGE HEADER */
.page-header {
    background: var(--light);
    border-bottom: 1px solid var(--border);
    padding: 3rem 2rem;
}
.page-header h1 { font-size: 2rem; margin-bottom: 0.4rem; }
.page-header p { color: var(--grey); }

/* ABOUT / CONTACT */
.prose {
    max-width: 680px;
}
.prose p { margin-bottom: 1rem; color: #444; }
.prose h3 { margin: 1.5rem 0 0.5rem; }

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    margin-top: 1.5rem;
}
.contact-item h4 { font-size: 0.85rem; text-transform: uppercase; letter-spacing: 0.05em; color: var(--grey); margin-bottom: 0.3rem; }
.contact-item p { color: var(--dark); font-size: 0.95rem; }

@media (max-width: 600px) {
    .stats { gap: 2rem; }
    .hero h1 { font-size: 1.7rem; }
    .contact-grid { grid-template-columns: 1fr; }
    footer { flex-direction: column; gap: 1rem; text-align: center; }
}