/* Bhasha Bari Custom Handcrafted CSS Stylesheet (Demo57) */
/* Visual Signature: Bold typographic wall banner with asymmetric call-to-action islands and documentary evidence grids. */
:root {
    --bg-dark: #21142a;
    --primary: #7d1fa3;
    --accent: #1fa39d;
    --light-bg: #f7f2fa;
    --card-bg: #ffffff;
    --text-color: #24182d;
    --font-main: 'Arial', 'SolaimanLipi', sans-serif;
}

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

body {
    font-family: var(--font-main);
    background-color: var(--light-bg);
    color: var(--text-color);
    line-height: 1.6;
}

.container {
    max-width: 1140px;
    margin: 0 auto;
    padding: 0 20px;
}

.demo-banner {
    background-color: var(--bg-dark);
    color: #ffffff;
    font-size: 0.85rem;
    padding: 8px 0;
    border-bottom: 2px solid var(--accent);
}

.demo-banner .badge {
    background-color: var(--accent);
    color: var(--bg-dark);
    font-weight: bold;
    padding: 2px 8px;
    border-radius: 4px;
    margin-right: 10px;
}

.site-header {
    background: var(--card-bg);
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
    position: sticky;
    top: 0;
    z-index: 100;
}

.header-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 20px;
}

.brand-logo {
    font-size: 1.4rem;
    font-weight: bold;
    color: var(--bg-dark);
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 8px;
}

.brand-logo .logo-mark {
    color: var(--primary);
}

.main-nav ul {
    display: flex;
    list-style: none;
    gap: 20px;
}

.main-nav a {
    text-decoration: none;
    color: var(--text-color);
    font-weight: 500;
    transition: color 0.2s ease;
}

.main-nav a:hover {
    color: var(--primary);
}

.hero-section {
    padding: 60px 0;
    background: linear-gradient(135deg, var(--bg-dark) 0%, #1a1a2e 100%);
    color: #ffffff;
    border-radius: 0 0 24px 24px;
}

.hero-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    align-items: center;
}

.hero-content h1 {
    font-size: 2.5rem;
    margin-bottom: 20px;
    line-height: 1.2;
    color: #ffffff;
}

.hero-content p {
    font-size: 1.1rem;
    margin-bottom: 25px;
    opacity: 0.9;
}

.hero-img {
    width: 100%;
    border-radius: 16px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.3);
    border: 3px solid var(--accent);
}

.section-padding {
    padding: 50px 0;
}

.section-title {
    font-size: 2rem;
    margin-bottom: 15px;
    color: var(--bg-dark);
    position: relative;
    padding-bottom: 10px;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 60px;
    height: 4px;
    background-color: var(--primary);
    border-radius: 2px;
}

.cards-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 25px;
    margin-top: 30px;
}

.card {
    background: var(--card-bg);
    border-radius: 12px;
    padding: 25px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.05);
    border-left: 4px solid var(--primary);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0,0,0,0.1);
}

.card-img {
    width: 100%;
    height: 180px;
    object-fit: cover;
    border-radius: 8px;
    margin-bottom: 15px;
}

.card h3 {
    margin-bottom: 10px;
    color: var(--bg-dark);
}

.btn {
    display: inline-block;
    background-color: var(--primary);
    color: #ffffff;
    padding: 12px 28px;
    border-radius: 6px;
    text-decoration: none;
    font-weight: bold;
    border: none;
    cursor: pointer;
    transition: background 0.2s ease;
}

.btn:hover {
    background-color: var(--bg-dark);
}

.form-group {
    margin-bottom: 18px;
}

.form-group label {
    display: block;
    margin-bottom: 6px;
    font-weight: 600;
}

.form-control {
    width: 100%;
    padding: 12px;
    border: 1px solid #ccc;
    border-radius: 6px;
    font-size: 1rem;
    font-family: inherit;
}

.form-control:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(30,163,142,0.2);
}

.alert {
    padding: 15px;
    border-radius: 6px;
    margin: 20px auto;
}

.alert-success {
    background-color: #d4edda;
    color: #155724;
    border: 1px solid #c3e6cb;
}

.alert-error {
    background-color: #f8d7da;
    color: #721c24;
    border: 1px solid #f5c6cb;
}

.site-footer {
    background-color: var(--bg-dark);
    color: #ffffff;
    padding: 50px 0 20px;
    margin-top: 60px;
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin-bottom: 30px;
}

.footer-col h3, .footer-col h4 {
    color: var(--accent);
    margin-bottom: 15px;
}

.footer-col ul {
    list-style: none;
}

.footer-col a {
    color: #ffffff;
    text-decoration: none;
    opacity: 0.8;
    line-height: 2;
}

.footer-col a:hover {
    opacity: 1;
    color: var(--accent);
}

.btn-whatsapp {
    display: inline-block;
    background-color: #25D366;
    color: #ffffff;
    padding: 10px 18px;
    border-radius: 6px;
    text-decoration: none;
    font-weight: bold;
    margin-top: 10px;
}

.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.1);
    padding-top: 20px;
    text-align: center;
    font-size: 0.9rem;
    opacity: 0.7;
}

@media (max-width: 768px) {
    .hero-grid {
        grid-template-columns: 1fr;
    }
    .header-inner {
        flex-direction: column;
        gap: 15px;
    }
}