/* Handcrafted Unique CSS for Demo41 - DakJatra Courier */
:root {
    --color-ink: hsl(238, 34%, 14%);
    --color-surface: hsl(285, 38%, 96%);
    --color-surface-card: #ffffff;
    --color-accent: hsl(238, 72%, 43%);
    --color-supporting: hsl(74, 58%, 52%);
    --color-text-muted: hsl(238, 15%, 45%);
    --color-border: hsl(238, 20%, 88%);
    --font-heading: 'Noto Serif Bengali', 'TI Tiro Bangla', Georgia, serif;
    --font-body: 'Hind Siliguri', 'Inter', system-ui, -apple-system, sans-serif;
    --radius-stamp: 8px;
    --shadow-soft: 0 10px 30px rgba(23, 26, 48, 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-body);
    font-size: 16px;
    line-height: 1.65;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    line-height: 1.3;
    color: var(--color-ink);
}

a {
    color: var(--color-accent);
    text-decoration: none;
    transition: color 0.2s ease;
}

a:hover {
    color: hsl(238, 72%, 35%);
}

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

/* Demo Banner */
.demo-banner {
    background-color: #fff3cd;
    color: #856404;
    text-align: center;
    padding: 8px 15px;
    font-size: 14px;
    border-bottom: 1px solid #ffeeba;
    font-weight: 500;
}

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

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

.brand-logo {
    display: flex;
    align-items: center;
    gap: 10px;
}

.stamp-icon {
    font-size: 28px;
    background: var(--color-surface);
    padding: 4px 8px;
    border-radius: var(--radius-stamp);
    border: 1px dashed var(--color-accent);
}

.brand-name {
    font-family: var(--font-heading);
    font-size: 24px;
    font-weight: 700;
    color: var(--color-ink);
}

.brand-name small {
    font-size: 14px;
    color: var(--color-accent);
    font-family: var(--font-body);
    display: block;
    font-weight: 600;
}

.site-nav ul {
    display: flex;
    list-style: none;
    gap: 24px;
    align-items: center;
}

.site-nav a {
    font-weight: 600;
    color: var(--color-ink);
    padding: 8px 12px;
    border-radius: 6px;
}

.site-nav a.active, .site-nav a:hover {
    color: var(--color-accent);
    background: rgba(31, 44, 203, 0.05);
}

.btn-nav-cta {
    background: var(--color-accent) !important;
    color: #ffffff !important;
}

.btn-nav-cta:hover {
    background: hsl(238, 72%, 35%) !important;
}

/* Assymmetric Editorial Split Hero */
.editorial-hero {
    padding: 60px 0;
    background: linear-gradient(135deg, var(--color-surface) 0%, #f0ebf7 100%);
}

.hero-grid {
    display: grid;
    grid-template-columns: 1.4fr 0.8fr;
    gap: 40px;
    align-items: start;
}

.hero-content {
    background: var(--color-surface-card);
    padding: 40px;
    border-radius: 12px;
    box-shadow: var(--shadow-soft);
    border-left: 6px solid var(--color-accent);
    position: relative;
}

.stamp-badge {
    display: inline-block;
    background: var(--color-supporting);
    color: var(--color-ink);
    padding: 4px 12px;
    font-size: 13px;
    font-weight: 700;
    border-radius: 4px;
    margin-bottom: 16px;
    letter-spacing: 0.5px;
}

.hero-title {
    font-size: 38px;
    margin-bottom: 16px;
}

.hero-subtitle {
    font-size: 18px;
    color: var(--color-text-muted);
    margin-bottom: 24px;
}

.hero-cta-group {
    display: flex;
    gap: 16px;
    margin-top: 24px;
}

.btn-primary {
    background: var(--color-accent);
    color: #ffffff;
    padding: 12px 24px;
    border-radius: 6px;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    border: none;
    cursor: pointer;
}

.btn-secondary {
    background: transparent;
    color: var(--color-accent);
    border: 2px solid var(--color-accent);
    padding: 10px 22px;
    border-radius: 6px;
    font-weight: 600;
}

/* Right Proof Rail */
.proof-rail {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.proof-card {
    background: var(--color-surface-card);
    padding: 20px;
    border-radius: 10px;
    border: 1px solid var(--color-border);
    box-shadow: var(--shadow-soft);
}

.proof-number {
    font-size: 32px;
    font-weight: 800;
    color: var(--color-accent);
    font-family: var(--font-heading);
}

.proof-label {
    font-size: 14px;
    color: var(--color-text-muted);
    font-weight: 600;
}

/* Staggered Story Blocks */
.staggered-section {
    padding: 70px 0;
}

.section-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 50px auto;
}

.section-header h2 {
    font-size: 32px;
    margin-bottom: 12px;
}

.story-grid {
    display: flex;
    flex-direction: column;
    gap: 50px;
}

.story-block {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    align-items: center;
    background: var(--color-surface-card);
    padding: 30px;
    border-radius: 12px;
    border: 1px solid var(--color-border);
}

.story-block.reverse {
    direction: rtl;
}

.story-block.reverse .story-text {
    direction: ltr;
}

.story-img img {
    width: 100%;
    height: auto;
    border-radius: 8px;
    display: block;
    object-fit: cover;
}

.story-text h3 {
    font-size: 24px;
    margin-bottom: 14px;
    color: var(--color-accent);
}

/* Cards Grid */
.cards-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
}

.feature-card {
    background: var(--color-surface-card);
    padding: 30px;
    border-radius: 10px;
    border: 1px solid var(--color-border);
    box-shadow: var(--shadow-soft);
}

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

/* Form Styles */
.form-box {
    background: var(--color-surface-card);
    padding: 40px;
    border-radius: 12px;
    border: 1px solid var(--color-border);
    box-shadow: var(--shadow-soft);
    max-width: 750px;
    margin: 0 auto;
}

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

.form-group label {
    display: block;
    font-weight: 600;
    margin-bottom: 8px;
}

.form-control {
    width: 100%;
    padding: 12px 16px;
    border: 1px solid var(--color-border);
    border-radius: 6px;
    font-size: 15px;
    font-family: inherit;
}

.form-control:focus {
    outline: none;
    border-color: var(--color-accent);
    box-shadow: 0 0 0 3px rgba(31, 44, 203, 0.15);
}

.alert {
    padding: 14px 20px;
    border-radius: 6px;
    margin-bottom: 24px;
}

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

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

/* Footer */
.site-footer {
    background: var(--color-ink);
    color: #ffffff;
    padding: 60px 0 0 0;
    margin-top: 80px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1.2fr;
    gap: 40px;
    padding-bottom: 50px;
}

.footer-col h3, .footer-col h4 {
    color: var(--color-supporting);
    margin-bottom: 16px;
}

.footer-col p {
    color: #cccccc;
    font-size: 14px;
    margin-bottom: 10px;
}

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

.footer-col ul li {
    margin-bottom: 8px;
}

.footer-col ul a {
    color: #dddddd;
}

.footer-col ul a:hover {
    color: var(--color-supporting);
}

.btn-whatsapp.disabled {
    background: #444;
    color: #888;
    border: 1px solid #555;
    padding: 10px 16px;
    border-radius: 6px;
    cursor: not-allowed;
    width: 100%;
    text-align: center;
    font-size: 14px;
    margin-bottom: 6px;
}

.footer-bottom {
    background: rgba(0, 0, 0, 0.3);
    padding: 20px 0;
    text-align: center;
    font-size: 14px;
    color: #aaa;
}

/* Responsive */
@media (max-width: 850px) {
    .hero-grid, .story-block {
        grid-template-columns: 1fr;
    }
    .header-inner {
        flex-direction: column;
        gap: 16px;
    }
    .site-nav ul {
        flex-wrap: wrap;
        justify-content: center;
    }
    .footer-grid {
        grid-template-columns: 1fr;
    }
}