/* ================================================
   দোকানের হিসাব - Dark Theme Styles
   ================================================ */

:root {
    --primary: #0d9488;
    --primary-dark: #0f766e;
    --secondary: #f59e0b;
    --dark: #0f172a;
    --light: #f8fafc;
}

html, body {
    overflow-x: hidden;
}

body {
    font-family: 'Hind Siliguri', sans-serif;
    background-color: var(--dark);
    color: #e2e8f0;
}

* {
    max-width: 100%;
}

.container {
    padding-left: 15px;
    padding-right: 15px;
}

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

/* ================================================
   Navbar
   ================================================ */
.navbar {
    background: rgba(15, 23, 42, 0.95) !important;
    backdrop-filter: blur(10px);
    padding: 1rem 0;
    transition: all 0.3s;
}

.navbar.scrolled {
    box-shadow: 0 4px 20px rgba(0,0,0,0.3);
}

.navbar-brand {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary) !important;
}

.navbar-brand img {
    height: 55px;
}

.nav-link {
    color: #cbd5e1 !important;
    font-weight: 500;
    padding: 0.5rem 1rem !important;
    transition: all 0.3s;
}

.nav-link:hover {
    color: var(--primary) !important;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    border: none;
    padding: 0.6rem 1.5rem;
    font-weight: 600;
    border-radius: 50px;
    transition: all 0.3s;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(13, 148, 136, 0.4);
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
}

.btn-outline-primary {
    color: var(--primary);
    border-color: var(--primary);
    border-radius: 50px;
    padding: 0.6rem 1.5rem;
    font-weight: 600;
}

.btn-outline-primary:hover {
    background: var(--primary);
    border-color: var(--primary);
}

/* ================================================
   Hero Section
   ================================================ */
.hero-section {
    min-height: 100vh;
    display: flex;
    align-items: center;
    background: linear-gradient(-45deg, #0f172a, #1e293b, #134e4a, #1e293b, #0f172a);
    background-size: 400% 400%;
    animation: heroGradient 15s ease infinite;
    position: relative;
    overflow: hidden;
    padding-top: 80px;
}

@keyframes heroGradient {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}

.hero-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 50%, rgba(13, 148, 136, 0.15) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(245, 158, 11, 0.1) 0%, transparent 40%),
        radial-gradient(circle at 60% 80%, rgba(13, 148, 136, 0.08) 0%, transparent 40%);
    pointer-events: none;
}

.hero-section::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.02'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
    pointer-events: none;
    opacity: 0.5;
}

.hero-badge {
    display: inline-block;
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: #ffffff;
    padding: 0.5rem 1.25rem;
    border-radius: 50px;
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
    border: none;
    box-shadow: 0 4px 15px rgba(13, 148, 136, 0.3);
}

.hero-title {
    font-size: 3rem;
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 1.5rem;
}

.hero-title span {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.2rem;
    color: #94a3b8;
    margin-bottom: 2rem;
}

.hero-image img {
    max-width: 100%;
    filter: drop-shadow(0 20px 40px rgba(0,0,0,0.4));
    animation: float 4s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-15px); }
}

/* ================================================
   Stats Section
   ================================================ */
.stats-section {
    background: linear-gradient(-45deg, #134e4a, #115e59, #0f766e, #134e4a, #0c4a46);
    background-size: 400% 400%;
    animation: gradientShift 8s ease infinite;
    padding: 4rem 0;
    position: relative;
    overflow: hidden;
}

.stats-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 50%, rgba(255, 255, 255, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(255, 255, 255, 0.08) 0%, transparent 40%);
    pointer-events: none;
}

.stats-section::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.05'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
    pointer-events: none;
    opacity: 0.5;
}

.stats-section .container {
    position: relative;
    z-index: 1;
}

.stat-item {
    text-align: center;
    padding: 2rem 1.5rem;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 16px;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.15);
    transition: all 0.3s ease;
    margin: 0.5rem 0;
}

.stat-item:hover {
    transform: translateY(-5px);
    background: rgba(255, 255, 255, 0.15);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

.stat-number {
    font-size: 2.8rem;
    font-weight: 700;
    color: #ffffff;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
}

.stat-label {
    color: rgba(255, 255, 255, 0.9);
    font-size: 1rem;
    font-weight: 500;
    margin-top: 0.5rem;
}

/* ================================================
   Features Section
   ================================================ */
.features-section {
    padding: 6rem 0;
    background: var(--dark);
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.section-subtitle {
    color: #94a3b8;
    font-size: 1.1rem;
    margin-bottom: 3rem;
}

.feature-card {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: 16px;
    padding: 2rem;
    height: 100%;
    transition: all 0.3s;
}

.feature-card:hover {
    transform: translateY(-5px);
    border-color: rgba(13, 148, 136, 0.3);
    background: rgba(255, 255, 255, 0.05);
}

.feature-icon {
    width: 60px;
    height: 60px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    margin-bottom: 1.25rem;
}

.feature-icon.teal { background: rgba(13, 148, 136, 0.15); color: var(--primary); }
.feature-icon.orange { background: rgba(245, 158, 11, 0.15); color: var(--secondary); }
.feature-icon.purple { background: rgba(139, 92, 246, 0.15); color: #8b5cf6; }
.feature-icon.red { background: rgba(239, 68, 68, 0.15); color: #ef4444; }
.feature-icon.green { background: rgba(34, 197, 94, 0.15); color: #22c55e; }
.feature-icon.pink { background: rgba(236, 72, 153, 0.15); color: #ec4899; }
.feature-icon.blue { background: rgba(59, 130, 246, 0.15); color: #3b82f6; }
.feature-icon.cyan { background: rgba(6, 182, 212, 0.15); color: #06b6d4; }

.feature-card h5 {
    font-weight: 600;
    margin-bottom: 0.75rem;
}

.feature-card p {
    color: #94a3b8;
    font-size: 0.95rem;
    margin-bottom: 0;
}

/* ================================================
   Benefits Section
   ================================================ */
.benefits-section {
    padding: 6rem 0;
    background: linear-gradient(180deg, #1e293b 0%, var(--dark) 100%);
}

.benefit-list {
    list-style: none;
    padding: 0;
}

.benefit-list li {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    margin-bottom: 1.25rem;
    font-size: 1.05rem;
}

.benefit-list li i {
    color: var(--primary);
    font-size: 1.25rem;
    margin-top: 2px;
}

.benefits-image img {
    max-width: 100%;
    border-radius: 16px;
    box-shadow: 0 25px 50px rgba(0,0,0,0.4);
}

/* ================================================
   Pricing Section
   ================================================ */
.pricing-section {
    padding: 6rem 0;
    background: var(--dark);
}

.pricing-card {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: 20px;
    padding: 2.5rem;
    height: 100%;
    transition: all 0.3s;
    position: relative;
}

.pricing-card.popular {
    border-color: var(--primary);
    background: rgba(13, 148, 136, 0.05);
    transform: scale(1.02);
}

.pricing-card:hover {
    border-color: rgba(13, 148, 136, 0.5);
}

.popular-badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: white;
    padding: 0.3rem 1.25rem;
    border-radius: 50px;
    font-size: 0.85rem;
    font-weight: 600;
}

.pricing-card h4 {
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.pricing-card .price {
    font-size: 2.75rem;
    font-weight: 700;
    color: var(--primary);
    margin: 1.5rem 0;
}

.pricing-card .price span {
    font-size: 1rem;
    color: #94a3b8;
    font-weight: 400;
}

.pricing-features {
    list-style: none;
    padding: 0;
    margin-bottom: 2rem;
}

.pricing-features li {
    padding: 0.6rem 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.pricing-features li i {
    color: var(--primary);
}

/* ================================================
   CTA Section - Premium
   ================================================ */
.cta-section {
    padding: 6rem 0;
    background: linear-gradient(-45deg, #134e4a, #115e59, #0f766e, #134e4a, #0c4a46);
    background-size: 400% 400%;
    animation: gradientShift 8s ease infinite;
    text-align: center;
    position: relative;
    overflow: hidden;
}

@keyframes gradientShift {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}

.cta-section::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255,255,255,0.1) 0%, transparent 50%);
    animation: pulse 4s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { transform: scale(1); opacity: 0.5; }
    50% { transform: scale(1.1); opacity: 0.8; }
}

.cta-section::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.05'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
    opacity: 0.5;
}

.cta-content {
    position: relative;
    z-index: 1;
}

.cta-section h2 {
    font-size: 2.75rem;
    font-weight: 700;
    margin-bottom: 1rem;
    text-shadow: 0 2px 10px rgba(0,0,0,0.2);
}

.cta-section p {
    font-size: 1.25rem;
    opacity: 0.95;
    margin-bottom: 2.5rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.cta-section .btn {
    background: white;
    color: var(--primary-dark);
    padding: 1rem 2.5rem;
    font-weight: 700;
    font-size: 1.1rem;
    border-radius: 50px;
    box-shadow: 0 10px 40px rgba(0,0,0,0.2);
    transition: all 0.3s;
}

.cta-section .btn:hover {
    background: white;
    transform: translateY(-3px) scale(1.05);
    box-shadow: 0 15px 50px rgba(0,0,0,0.3);
}

.cta-badge {
    display: inline-block;
    background: rgba(255,255,255,0.2);
    backdrop-filter: blur(10px);
    padding: 0.5rem 1.5rem;
    border-radius: 50px;
    font-size: 0.9rem;
    margin-bottom: 1.5rem;
    border: 1px solid rgba(255,255,255,0.3);
}

/* ================================================
   Footer
   ================================================ */
.footer {
    background: #0a0f1a;
    padding: 4rem 0 2rem;
}

.footer h5 {
    color: white;
    font-weight: 600;
    margin-bottom: 1.5rem;
}

.footer p, .footer a {
    color: #94a3b8;
}

.footer a {
    text-decoration: none;
    transition: color 0.3s;
    display: block;
    margin-bottom: 0.75rem;
}

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

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    margin-top: 3rem;
    padding-top: 2rem;
    text-align: center;
    color: #64748b;
}

.footer-bottom a {
    color: var(--primary);
    display: inline;
    margin-bottom: 0;
}

.social-links a {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.05);
    color: #94a3b8;
    margin-right: 0.5rem;
    transition: all 0.3s;
}

.social-links a:hover {
    background: var(--primary);
    color: white;
}

/* ================================================
   Responsive
   ================================================ */
@media (max-width: 991px) {
    .hero-title {
        font-size: 2.5rem;
    }

    .hero-image {
        margin-top: 3rem;
    }

    .pricing-card.popular {
        transform: scale(1);
    }

    .hero-section {
        padding-left: 1rem;
        padding-right: 1rem;
    }
}

@media (max-width: 767.98px) {
    .stats-section {
        padding: 3rem 0;
    }
    .stat-item {
        padding: 1.5rem 1rem;
    }
    .stat-number {
        font-size: 2rem;
    }
}

@media (max-width: 767px) {
    .hero-title {
        font-size: 1.75rem;
    }

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

    .section-title {
        font-size: 1.75rem;
    }

    .stat-item {
        padding: 0.75rem;
    }

    .stat-number {
        font-size: 1.75rem;
    }

    .stat-label {
        font-size: 0.85rem;
    }

    .hero-badge {
        font-size: 0.8rem;
        padding: 0.4rem 1rem;
    }

    .btn-lg {
        padding: 0.6rem 1.25rem;
        font-size: 0.95rem;
    }

    .feature-card {
        padding: 1.5rem;
    }

    .pricing-card {
        padding: 1.5rem;
    }

    .cta-section h2 {
        font-size: 1.75rem;
    }

    .cta-section p {
        font-size: 1rem;
    }

    .navbar-brand {
        font-size: 1.25rem;
    }
}

@media (max-width: 576px) {
    .hero-title {
        font-size: 1.5rem;
    }

    .section-title {
        font-size: 1.5rem;
    }

    .d-flex.gap-3 {
        flex-direction: column;
        gap: 0.75rem !important;
    }

    .d-flex.gap-3 .btn {
        width: 100%;
    }
}

/* ================================================
   Scrollbar
   ================================================ */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--dark);
}

::-webkit-scrollbar-thumb {
    background: var(--primary);
    border-radius: 4px;
}