/* ========================================
   Diamond City - Clean Desktop Design
   Matches the provided screenshot
======================================== */

:root {
    --primary: #1a1a4e;
    --primary-dark: #0d0d2b;
    --gold: #c9a227;
    --purple: #6B2D8B;
    --purple-dark: #4A1D6B;
    --blue-btn: #2b6cb0;
    --blue-btn-hover: #1e4e8c;
    --text-dark: #1a1a2e;
    --text-muted: #555;
    --bg-page: #f0f2f5;
    --white: #ffffff;
    --card-radius: 12px;
    --shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Poppins', 'Noto Sans Bengali', sans-serif;
    background: var(--bg-page);
    color: var(--text-dark);
    line-height: 1.6;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

a {
    text-decoration: none;
    transition: all 0.25s ease;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

/* ========== HEADER / LOGO ========== */
.site-header {
    background: var(--white);
    padding: 28px 0 20px;
    text-align: center;
}

.logo-wrap {
    display: flex;
    justify-content: center;
    align-items: center;
}

.main-logo {
    max-height: 110px;
    width: auto;
    max-width: 320px;
    object-fit: contain;
}

/* ========== BANNER ========== */
.banner-section {
    padding: 10px 0 20px;
    background: var(--white);
}

.banner-inner {
    max-width: 1100px;
    margin: 0 auto;
    border-radius: 14px;
    overflow: hidden;
    box-shadow: var(--shadow);
}

.banner-img {
    width: 100%;
    height: auto;
    display: block;
    object-fit: cover;
}

/* ========== SOCIAL BUTTONS ========== */
.social-btns-section {
    background: var(--bg-page);
    padding: 28px 15px 10px;
}

.social-btns-wrap {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 14px;
    max-width: 340px;
    margin: 0 auto;
}

.btn-facebook {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    width: 100%;
    min-height: 48px;
    background: var(--blue-btn);
    color: #fff !important;
    font-weight: 500;
    font-size: 1rem;
    border-radius: 50px;
    border: none;
    padding: 12px 28px;
    box-shadow: 0 4px 12px rgba(43, 108, 176, 0.3);
}

.btn-facebook:hover {
    background: var(--blue-btn-hover);
    color: #fff !important;
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(43, 108, 176, 0.4);
}

.btn-social-explore {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    width: 100%;
    min-height: 48px;
    background: var(--purple);
    color: #fff !important;
    font-weight: 500;
    font-size: 1rem;
    border-radius: 50px;
    border: none;
    padding: 12px 28px;
    box-shadow: 0 4px 12px rgba(107, 45, 139, 0.3);
}

.btn-social-explore:hover {
    background: var(--purple-dark);
    color: #fff !important;
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(107, 45, 139, 0.4);
}

/* ========== BRANCHES ========== */
.branches-section {
    background: var(--bg-page);
    padding: 30px 15px 50px;
    flex: 1;
}

.branch-card {
    background: var(--white);
    border-radius: var(--card-radius);
    padding: 28px 24px;
    box-shadow: var(--shadow);
    height: 100%;
    border-top: 4px solid var(--primary);
    transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.branch-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 28px rgba(0, 0, 0, 0.12);
}

.branch-title {
    font-family: 'Noto Sans Bengali', 'Poppins', sans-serif;
    font-size: 1.35rem;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 2px;
}

.branch-subtitle {
    font-size: 0.9rem;
    color: #777;
    margin-bottom: 12px;
}

.branch-card hr {
    border: none;
    border-top: 1px solid #e8e8e8;
    margin: 12px 0 18px;
}

.branch-info p {
    font-size: 0.95rem;
    color: var(--text-muted);
    margin-bottom: 14px;
    line-height: 1.55;
}

.branch-info strong {
    color: var(--text-dark);
    font-weight: 600;
}

.branch-info a {
    color: var(--blue-btn);
    font-weight: 500;
}

.branch-info a:hover {
    color: var(--primary);
    text-decoration: underline;
}

/* ========== FOOTER ========== */
.site-footer {
    background: var(--primary);
    color: #c5c5d5;
    text-align: center;
    padding: 18px 15px;
    font-size: 0.9rem;
}

/* ========== MOBILE BOTTOM BAR (hidden on desktop) ========== */
.mobile-bottom-bar {
    display: none;
}

/* ========== RESPONSIVE (Tablet) ========== */
@media (max-width: 991.98px) {
    .main-logo {
        max-height: 90px;
        max-width: 260px;
    }
}

@media (max-width: 767.98px) {
    .site-header {
        padding: 18px 0 12px;
    }

    .main-logo {
        max-height: 70px;
        max-width: 200px;
    }

    .banner-section {
        padding: 5px 10px 15px;
        background: var(--bg-page);
    }

    .banner-inner {
        border-radius: 10px;
    }

    .social-btns-section {
        padding: 18px 15px 5px;
    }

    .branches-section {
        padding: 20px 12px 80px; /* extra bottom for fixed bar */
    }

    .branch-card {
        padding: 20px 16px;
    }

    .branch-title {
        font-size: 1.2rem;
    }
}