/* Handcrafted Unique CSS for Demo43 - Nirapod Nibash Pest */
:root {
    --color-ink: hsl(153, 34%, 14%);
    --color-surface: hsl(200, 38%, 96%);
    --color-card: #ffffff;
    --color-accent: hsl(153, 72%, 43%);
    --color-supporting: hsl(349, 58%, 52%);
    --color-border: hsl(153, 20%, 85%);
    --color-muted: hsl(153, 12%, 45%);
    --font-main: 'Anek Bangla', 'IBM Plex Sans', system-ui, sans-serif;
    --shadow-bento: 0 8px 24px rgba(23, 48, 36, 0.06);
}

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

body {
    background-color: var(--color-surface);
    color: var(--color-ink);
    font-family: var(--font-main);
    font-size: 16px;
    line-height: 1.65;
}

a {
    color: var(--color-accent);
    text-decoration: none;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Demo Notice */
.demo-banner {
    background: #e2f0d9;
    color: #2b542c;
    text-align: center;
    padding: 8px;
    font-size: 13px;
    border-bottom: 1px solid #d6e9c6;
}

/* Header */
.site-header {
    background: var(--color-card);
    border-bottom: 2px solid var(--color-border);
    position: sticky;
    top: 0;
    z-index: 100;
}

.header-flex {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 20px;
}

.brand {
    font-size: 22px;
    font-weight: 800;
    color: var(--color-ink);
}

.brand span {
    color: var(--color-accent);
}

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

.nav-links a {
    color: var(--color-ink);
    font-weight: 600;
}

/* Bento Grid System */
.bento-hero-section {
    padding: 50px 0;
}

.bento-grid {
    display: grid;
    grid-template-columns: repeat(12, 1fr);
    gap: 20px;
}

.bento-tile {
    background: var(--color-card);
    border-radius: 16px;
    padding: 30px;
    border: 1px solid var(--color-border);
    box-shadow: var(--shadow-bento);
}

.bento-tile-hero {
    grid-column: span 8;
    background: linear-gradient(135deg, #173024 0%, #11241b 100%);
    color: #ffffff;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.bento-tile-hero h1 {
    font-size: 38px;
    line-height: 1.25;
    margin-bottom: 16px;
}

.bento-tile-hero p {
    font-size: 18px;
    color: #c2e5d5;
    margin-bottom: 24px;
}

.bento-tile-stat {
    grid-column: span 4;
    background: var(--color-accent);
    color: #ffffff;
    display: flex;
    flex-direction: column;
    justify-content: center;
    text-align: center;
}

.stat-number {
    font-size: 48px;
    font-weight: 900;
    line-height: 1;
}

.bento-tile-medium {
    grid-column: span 4;
}

.bento-tile-large {
    grid-column: span 6;
}

.bento-tile h3 {
    font-size: 20px;
    margin-bottom: 10px;
    color: var(--color-ink);
}

.bento-tile p {
    font-size: 15px;
    color: var(--color-muted);
}

.btn-primary {
    display: inline-block;
    background: var(--color-accent);
    color: #ffffff;
    padding: 12px 24px;
    border-radius: 8px;
    font-weight: 700;
    border: none;
    cursor: pointer;
}

.btn-primary:hover {
    background: hsl(153, 72%, 35%);
}

.btn-secondary {
    background: var(--color-supporting);
    color: #ffffff;
    padding: 12px 24px;
    border-radius: 8px;
    font-weight: 700;
    display: inline-block;
}

/* Form Box */
.form-box {
    background: var(--color-card);
    padding: 40px;
    border-radius: 16px;
    border: 1px solid var(--color-border);
    box-shadow: var(--shadow-bento);
    max-width: 700px;
    margin: 40px auto;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    font-weight: 700;
    margin-bottom: 8px;
}

.form-control {
    width: 100%;
    padding: 12px;
    border: 1px solid var(--color-border);
    border-radius: 6px;
    font-family: inherit;
}

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

.alert-success {
    background: #d4edda;
    color: #155724;
}

.alert-error {
    background: #f8d7da;
    color: #721c24;
}

.btn-whatsapp-disabled {
    background: #555;
    color: #aaa;
    border: none;
    padding: 10px 16px;
    border-radius: 6px;
    cursor: not-allowed;
    width: 100%;
    margin-top: 10px;
}

/* Footer */
footer {
    background: var(--color-ink);
    color: #ffffff;
    padding: 50px 0 20px 0;
    margin-top: 60px;
}

@media (max-width: 900px) {
    .bento-tile-hero, .bento-tile-stat, .bento-tile-medium, .bento-tile-large {
        grid-column: span 12;
    }
}