/* =========================================
   Premium Light Mode Variables & Reset
   ========================================= */
:root {
    --bg-base: #f8fafc; /* Light Slate */
    --bg-glass: rgba(255, 255, 255, 0.75);
    --bg-glass-hover: rgba(255, 255, 255, 0.95);
    
    --primary: #0ea5e9; /* Light Blue */
    --primary-glow: rgba(14, 165, 233, 0.25);
    
    --accent: #6366f1; /* Indigo */
    --accent-glow: rgba(99, 102, 241, 0.15);
    
    --text-main: #0f172a; /* Slate 900 */
    --text-muted: #475569; /* Slate 600 */
    
    --border-glass: rgba(255, 255, 255, 1);
    --border-darker: rgba(15, 23, 42, 0.08);
    
    --shadow-glass: 0 10px 30px -10px rgba(0, 0, 0, 0.1);
    
    --transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Outfit', sans-serif;
    color: var(--text-main);
    background-color: var(--bg-base);
    /* Professional Pattern: Subtle Dot Matrix */
    background-image: radial-gradient(#cbd5e1 1.5px, transparent 1.5px);
    background-size: 28px 28px;
    line-height: 1.6;
    overflow-x: hidden;
    position: relative;
}

.bangla-text {
    font-family: 'Noto Sans Bengali', sans-serif;
}

a {
    text-decoration: none;
    color: inherit;
}

/* =========================================
   Ambient Background Glows (Neuromarketing visual anchor)
   ========================================= */
.ambient-glow {
    position: absolute;
    border-radius: 50%;
    filter: blur(120px);
    z-index: -1;
    opacity: 0.7;
    pointer-events: none;
}

.glow-1 {
    top: -5%;
    left: -10%;
    width: 50vw;
    height: 50vw;
    background: var(--accent-glow);
}

.glow-2 {
    top: 30%;
    right: -10%;
    width: 40vw;
    height: 40vw;
    background: var(--primary-glow);
}

.container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
}

/* =========================================
   Typography & Buttons
   ========================================= */
h1, h2, h3, h4 {
    color: var(--text-main);
    font-weight: 700;
    line-height: 1.2;
}

.gradient-text {
    background: linear-gradient(135deg, #0284c7 0%, #4f46e5 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 14px 32px;
    border-radius: 50px;
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    transition: var(--transition);
    border: none;
    text-transform: capitalize;
    letter-spacing: 0.5px;
}

.btn-primary {
    background: linear-gradient(135deg, #0ea5e9 0%, #2563eb 100%);
    color: white;
    box-shadow: 0 10px 25px -5px var(--primary-glow);
}

.btn-primary:hover {
    transform: translateY(-3px) scale(1.02);
    box-shadow: 0 15px 35px -5px var(--primary-glow);
}

/* Pulsing effect to draw attention */
.btn-pulse {
    animation: pulseGlow 2s infinite;
}

@keyframes pulseGlow {
    0% { box-shadow: 0 0 0 0 rgba(14, 165, 233, 0.4); }
    70% { box-shadow: 0 0 0 15px rgba(14, 165, 233, 0); }
    100% { box-shadow: 0 0 0 0 rgba(14, 165, 233, 0); }
}

.btn-glass {
    background: rgba(255, 255, 255, 0.8);
    border: 1px solid var(--border-darker);
    backdrop-filter: blur(10px);
    color: var(--text-main);
}

.btn-glass:hover {
    background: white;
    transform: translateY(-3px);
    box-shadow: var(--shadow-glass);
}

.btn-glow {
    background: rgba(37, 211, 102, 0.1); 
    color: #1b9c4b;
    border: 1px solid rgba(37, 211, 102, 0.3);
}

.btn-glow:hover {
    background: #25D366;
    color: white;
    box-shadow: 0 10px 20px -5px rgba(37, 211, 102, 0.4);
}

.btn-whatsapp {
    background: #25D366;
    color: white;
}
.btn-whatsapp:hover { background: #1ebe57; transform: translateY(-3px); box-shadow: 0 10px 20px rgba(37,211,102,0.3); }

.btn-facebook {
    background: #1877F2;
    color: white;
}
.btn-facebook:hover { background: #166fe5; transform: translateY(-3px); box-shadow: 0 10px 20px rgba(24,119,242,0.3); }

/* Glassmorphism Panels - Light Mode */
.glass-panel {
    background: var(--bg-glass);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--border-glass);
    border-radius: 24px;
    box-shadow: var(--shadow-glass);
}

/* Animations */
@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(30px); }
    to { opacity: 1; transform: translateY(0); }
}
.animate-up { animation: fadeInUp 0.8s ease forwards; opacity: 0; }
.delay-1 { animation-delay: 0.15s; }
.delay-2 { animation-delay: 0.3s; }
.delay-3 { animation-delay: 0.45s; }
.delay-4 { animation-delay: 0.6s; }

@keyframes float {
    0% { transform: translateY(0px); }
    50% { transform: translateY(-15px); }
    100% { transform: translateY(0px); }
}
.animate-float { animation: float 6s ease-in-out infinite; }

/* =========================================
   Navigation
   ========================================= */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    z-index: 1000;
    border-bottom: 1px solid rgba(0,0,0,0.05);
    padding: 15px 0;
    box-shadow: 0 4px 20px -10px rgba(0,0,0,0.05);
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
}

.logo-img { height: 45px; border-radius: 8px; }
.logo h1 { font-size: 1.5rem; font-weight: 800; color: #0f172a; }
.logo h1 span { color: var(--primary); font-weight: 500; }

/* =========================================
   Hero Section
   ========================================= */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: 100px;
    padding-bottom: 50px;
}

.hero-container {
    display: flex;
    align-items: center;
    gap: 50px;
}

.hero-content {
    flex: 1;
}

.badge {
    display: inline-block;
    padding: 6px 14px;
    background: rgba(245, 158, 11, 0.15);
    color: #d97706;
    border: 1px solid rgba(245, 158, 11, 0.3);
    border-radius: 50px;
    font-size: 0.85rem;
    font-weight: 700;
    margin-bottom: 25px;
}

.hero-content h2 {
    font-size: 4rem;
    margin-bottom: 10px;
    letter-spacing: -1px;
}

.hero-content h3 {
    font-size: 1.8rem;
    color: #0284c7;
    margin-bottom: 15px;
}

.hero-content p {
    font-size: 1.25rem;
    color: var(--text-muted);
    margin-bottom: 40px;
    max-width: 90%;
}

.hero-buttons {
    display: flex;
    gap: 15px;
    margin-bottom: 40px;
}

.trust-indicators {
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
    border-top: 1px solid var(--border-darker);
    padding-top: 25px;
}

.indicator {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.9rem;
    color: var(--text-muted);
    font-weight: 600;
}
.indicator i { color: #059669; /* darker green for contrast */ }

.hero-image-wrapper {
    flex: 1;
    position: relative;
}

.glass-image-card {
    padding: 12px;
    background: rgba(255, 255, 255, 0.6);
    border: 1px solid var(--border-glass);
    border-radius: 28px;
    position: relative;
    z-index: 1;
    box-shadow: 0 20px 40px -15px rgba(0,0,0,0.1);
}

.glass-image-card img {
    width: 100%;
    border-radius: 16px;
    display: block;
}

.card-glow {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 100%;
    height: 100%;
    background: radial-gradient(circle, var(--primary-glow) 0%, transparent 70%);
    z-index: -1;
    filter: blur(40px);
}

/* =========================================
   Problem-Solution Section (Loss Aversion)
   ========================================= */
.problem-solution {
    padding: 100px 0;
    position: relative;
}

.ps-container {
    display: flex;
    align-items: center;
    gap: 60px;
    flex-direction: row-reverse;
}

.ps-text { flex: 1; }
.ps-text h2 { font-size: 2.8rem; margin-bottom: 25px; }
.ps-text p { font-size: 1.1rem; color: var(--text-muted); margin-bottom: 35px; }

.ps-image { flex: 1; }

.proprietor-card {
    display: flex;
    align-items: flex-start;
    gap: 20px;
    padding: 25px;
    border-left: 4px solid var(--primary);
    background: white; /* ensure high contrast */
}

.proprietor-card .avatar {
    width: 60px;
    height: 60px;
    background: var(--primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
    color: white;
    flex-shrink: 0;
}

.proprietor-card h4 { font-size: 1.2rem; margin-bottom: 5px; }
.proprietor-card span { color: var(--text-muted); font-size: 0.9rem; display: block; margin-bottom: 10px;}
.signature-text { color: #0284c7; font-style: italic; font-weight: 700; font-size: 1.1rem;}

/* =========================================
   Products / Emotional Benefit Section
   ========================================= */
.products {
    padding: 100px 0;
}

.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-header h2 { font-size: 3rem; margin-bottom: 15px; }
.section-header p { color: var(--text-muted); font-size: 1.2rem; }

.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 30px;
}

.product-card {
    padding: 40px 30px;
    text-align: left;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
    background: white; /* Solid for better contrast over pattern */
}

.product-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px -10px rgba(0,0,0,0.1);
    border-color: var(--primary);
}

.icon-box {
    width: 60px;
    height: 60px;
    background: rgba(14, 165, 233, 0.1);
    color: var(--primary);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
    margin-bottom: 25px;
    transition: var(--transition);
}

.product-card:hover .icon-box {
    background: var(--primary);
    color: white;
    transform: scale(1.1) rotate(5deg);
}

.product-card h3 { font-size: 1.5rem; margin-bottom: 15px; }
.product-card p { color: var(--text-muted); margin-bottom: 25px; }

.bangla-tag {
    display: inline-block;
    padding: 6px 12px;
    background: rgba(99, 102, 241, 0.1);
    border-radius: 6px;
    font-size: 0.9rem;
    color: #4f46e5;
    font-weight: 600;
}

/* =========================================
   Contact Section / Frictionless Action
   ========================================= */
.contact-section {
    padding: 100px 0;
}

.cta-box {
    padding: 60px;
    text-align: center;
    background: white;
    border: 1px solid var(--border-glass);
    position: relative;
    overflow: hidden;
    box-shadow: 0 25px 50px -12px rgba(0,0,0,0.1);
}

.cta-box::before {
    content: '';
    position: absolute;
    top: 0; left: 50%;
    transform: translateX(-50%);
    width: 60%;
    height: 3px;
    background: linear-gradient(90deg, transparent, var(--primary), transparent);
}

.cta-content {
    position: relative;
    z-index: 1;
    max-width: 800px;
    margin: 0 auto;
}

.cta-content h2 { font-size: 3rem; margin-bottom: 10px; }
.cta-content h3 { font-size: 2rem; color: var(--primary); margin-bottom: 20px; }
.cta-content p { font-size: 1.1rem; color: var(--text-muted); margin-bottom: 40px; }

.contact-details {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    margin-bottom: 40px;
    text-align: left;
}

.detail-item {
    display: flex;
    align-items: flex-start;
    gap: 15px;
    padding: 20px;
    background: var(--bg-base);
    border-radius: 16px;
    border: 1px solid var(--border-darker);
}

.detail-item i {
    font-size: 1.5rem;
    color: var(--primary);
    margin-top: 5px;
}

.detail-item strong { display: block; margin-bottom: 5px; color: var(--text-main);}
.detail-item span { color: var(--text-muted); font-size: 0.9rem; }

.action-buttons {
    display: flex;
    justify-content: center;
    gap: 20px;
    flex-wrap: wrap;
}

/* =========================================
   Footer
   ========================================= */
footer {
    border-top: 1px solid var(--border-darker);
    padding: 30px 0;
    margin-top: 50px;
    background: white;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    color: var(--text-muted);
    font-size: 0.9rem;
}

/* =========================================
   Responsive
   ========================================= */
@media (max-width: 1024px) {
    .hero-container, .ps-container { flex-direction: column; text-align: center; }
    .hero-buttons { justify-content: center; }
    .trust-indicators { justify-content: center; }
    .proprietor-card { text-align: left; margin: 0 auto; display: inline-flex; }
    .hero-content h2 { font-size: 3.2rem; }
    .contact-details { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
    .hero-content h2 { font-size: 2.5rem; }
    .hero-content h3 { font-size: 1.4rem; }
    .cta-box { padding: 40px 20px; }
    .cta-content h2 { font-size: 2.2rem; }
    .cta-content h3 { font-size: 1.5rem; }
    .nav-contact .btn { padding: 8px 16px; font-size: 0.9rem; }
}