html {
    font-size: 18px;
}

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

:root {
    --navy: #1B2B4B;
    --navy-light: #243760;
    --gold: #C8892A;
    --bg: #F4F5F7;
    --white: #FFFFFF;
    --text: #2C2C2C;
    --text-muted: #5A6476;
    --border: #DDE1E9;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;
    color: var(--text);
    background: var(--bg);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* ── Header ── */
header {
    background: #FFFFFF;
    padding: 2rem 2rem 1.5rem;
}

.header-inner {
    max-width: 960px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
}

.logo {
    max-height: 200px;
    width: auto;
    display: block;
    margin-bottom: 0.6rem;
}

.tagline {
    color: var(--text-muted);
    font-size: 0.95rem;
    font-style: italic;
    letter-spacing: 0.02em;
}

/* ── Tab Nav ── */
.tab-nav {
    background: var(--navy-light);
    display: flex;
    justify-content: center;
    border-bottom: 3px solid var(--gold);
}

.tab-btn {
    background: none;
    border: none;
    border-bottom: 3px solid transparent;
    margin-bottom: -3px;
    color: rgba(255, 255, 255, 0.65);
    padding: 0.9rem 1.75rem;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    transition: background 0.15s, color 0.15s;
}

.tab-btn:hover {
    background: rgba(255, 255, 255, 0.08);
    color: white;
}

.tab-btn.active {
    color: white;
    border-bottom-color: var(--gold);
    background: rgba(255, 255, 255, 0.1);
}

/* ── Main ── */
main {
    flex: 1;
    max-width: 960px;
    width: 100%;
    margin: 0 auto;
    padding: 2.5rem 1.5rem;
}

.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
}

/* ── Hero Banner ── */
.hero-banner {
    margin: -2.5rem -1.5rem 2.5rem;
    height: 400px;
    background: url('assets/argo_hero-02_light.png') center / cover no-repeat;
    display: flex;
    align-items: flex-end;
}

.hero-overlay {
    width: 100%;
    padding: 2rem 2.5rem;
    background: linear-gradient(to top, rgba(0,0,0,0.78) 0%, rgba(0,0,0,0.25) 65%, transparent 100%);
}


.section-banner {
    margin: -2.5rem -1.5rem 2.5rem;
    height: 220px;
    background: url('assets/argo_hero-02_light.png') center / cover no-repeat;
}

/* ── Home ── */
.sub-hero {
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--gold);
    line-height: 1.6;
    margin: 1.75rem auto;
    max-width: 720px;
    text-align: center;
}

.about {
    background: var(--white);
    border-left: 4px solid var(--gold);
    padding: 1.75rem 2rem;
    border-radius: 0 6px 6px 0;
    line-height: 1.85;
    margin-bottom: 2rem;
}

.about p + p {
    margin-top: 1rem;
}

.wali-note {
    font-style: italic;
    color: var(--text-muted);
}

.cta-btn {
    display: inline-block;
    background: var(--navy);
    color: white;
    padding: 0.85rem 2rem;
    border-radius: 4px;
    text-decoration: none;
    font-weight: 600;
    font-size: 0.95rem;
    letter-spacing: 0.02em;
    transition: background 0.2s;
}

.cta-btn:hover {
    background: var(--navy-light);
}

/* ── Services ── */
.services-intro {
    font-size: 1rem;
    line-height: 1.75;
    color: var(--text-muted);
    margin-bottom: 1.75rem;
    font-style: italic;
}

.services-intro a {
    color: var(--navy);
    font-weight: 600;
    font-style: normal;
}

.service-card {
    background: var(--white);
    border-radius: 6px;
    margin-bottom: 1.25rem;
    border-left: 4px solid var(--gold);
    box-shadow: 0 1px 4px rgba(0, 0, 0, 0.06);
    display: grid;
    grid-template-columns: 160px 1fr;
    gap: 0 1.75rem;
    align-items: center;
    overflow: hidden;
}

.svc-img {
    width: 160px;
    height: 160px;
    object-fit: cover;
    display: block;
    flex-shrink: 0;
}

.svc-text {
    padding: 1.5rem 1.75rem 1.5rem 0;
}

.lead-question {
    font-size: 1rem;
    font-weight: 600;
    color: var(--navy);
    font-style: italic;
    margin-bottom: 0.6rem;
}

.service-card h3 {
    font-size: 1.15rem;
    color: var(--navy);
    margin-bottom: 0.6rem;
    font-weight: 700;
}

.service-card p {
    line-height: 1.8;
}

/* ── FAQ ── */
.faq-item {
    background: var(--white);
    border-radius: 6px;
    margin-bottom: 1rem;
    box-shadow: 0 1px 4px rgba(0, 0, 0, 0.06);
    overflow: hidden;
}

.faq-question {
    width: 100%;
    background: none;
    border: none;
    text-align: left;
    padding: 1.15rem 1.5rem;
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--navy);
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
    transition: background 0.15s;
    line-height: 1.4;
}

.faq-question:hover {
    background: #F0F2F6;
}

.chevron {
    font-size: 0.7rem;
    color: var(--gold);
    flex-shrink: 0;
    transition: transform 0.25s;
}

.faq-question.open .chevron {
    transform: rotate(180deg);
}

.faq-answer {
    display: none;
    padding: 0 1.5rem 1.25rem;
    font-size: 1rem;
    line-height: 1.8;
    border-top: 1px solid var(--border);
}

.faq-answer.open {
    display: block;
}

.faq-answer p + p {
    margin-top: 0.85rem;
}

.faq-answer a {
    color: var(--navy);
    font-weight: 600;
}

.faq-disclaimer {
    margin-top: 2rem;
    padding: 1.1rem 1.5rem;
    background: var(--navy);
    color: rgba(255, 255, 255, 0.82);
    border-radius: 6px;
    font-style: italic;
    font-size: 1rem;
    text-align: center;
    line-height: 1.6;
}

/* ── Contact ── */
.contact-intro {
    font-size: 1.05rem;
    line-height: 1.75;
    margin-bottom: 0.75rem;
}

.response-note {
    color: var(--text-muted);
    font-style: italic;
    font-size: 0.9rem;
    margin-bottom: 2rem;
}

.contact-card {
    background: var(--white);
    border-radius: 6px;
    padding: 0.5rem 1.5rem;
    box-shadow: 0 1px 4px rgba(0, 0, 0, 0.06);
    margin-bottom: 2rem;
    max-width: 460px;
}

.contact-row {
    display: flex;
    align-items: baseline;
    gap: 1.25rem;
    padding: 0.85rem 0;
    border-bottom: 1px solid var(--border);
}

.contact-row:last-child {
    border-bottom: none;
}

.contact-label {
    font-weight: 700;
    color: var(--navy);
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    min-width: 70px;
}

.contact-value a {
    color: var(--text);
    text-decoration: none;
}

.contact-value a:hover {
    color: var(--navy);
    text-decoration: underline;
}

/* ── Footer ── */
footer {
    background: var(--navy);
    color: rgba(255, 255, 255, 0.55);
    text-align: center;
    padding: 1.25rem 1rem;
    font-size: 0.82rem;
    letter-spacing: 0.02em;
}

/* ── Responsive ── */
@media (max-width: 600px) {
    header {
        padding: 1.25rem 1rem 1rem;
    }

    .logo {
        max-height: 120px;
    }

    .tab-btn {
        padding: 0.75rem 0.9rem;
        font-size: 0.72rem;
        letter-spacing: 0.04em;
    }

    main {
        padding: 1.5rem 1rem;
    }

    .hero-banner {
        margin: -1.5rem -1rem 1.5rem;
        height: 280px;
    }

    .hero-overlay {
        padding: 1.5rem 1.25rem;
    }

    .section-banner {
        margin: -1.5rem -1rem 1.5rem;
        height: 160px;
    }

    .sub-hero {
        font-size: 1rem;
    }

    .about {
        padding: 1.25rem;
    }

    .service-card {
        grid-template-columns: 1fr;
    }

    .svc-img {
        width: 100%;
        height: 160px;
    }

    .svc-text {
        padding: 1.25rem;
    }

    .contact-card {
        max-width: 100%;
    }
}