/* ========================================
   KATHA GROUP - PREMIUM LIGHT THEME CSS
   Modern, Energetic, No Dark Mode
   ======================================== */

:root {
    --primary: #F4C430;
    --secondary: #00A8E8;
    --accent: #FF6B35;
    --text-dark: #1A1A2E;
    --text-light: #FFFFFF;
    --bg-light: #FFFFFF;
    --bg-soft: #F8F9FA;
    --shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
    --transition: all 0.4s cubic-bezier(0.25, 0.1, 0.25, 1);
}

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

body {
    font-family: 'Inter', system_ui, sans-serif;
    color: var(--text-dark);
    background: var(--bg-light);
    line-height: 1.7;
    overflow-x: hidden;
}

.container {
    max-width: 1320px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Top Bar - Clean & Professional */
.top-bar {
    background: #0F172A;
    color: #CBD5E1;
    padding: 9px 0;
    font-size: 0.9rem;
    border-bottom: 1px solid rgba(244, 196, 48, 0.1);
}

.top-bar-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.contact-info a {
    color: #94A3B8;
    text-decoration: none;
    margin-right: 22px;
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
    gap: 7px;
}

.contact-info a:hover {
    color: #F4C430;
}

.social-top {
    display: flex;
    gap: 8px;
}

.social-top a {
    width: 32px;
    height: 32px;
    background: rgba(255,255,255,0.06);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #CBD5E1;
    text-decoration: none;
    transition: all 0.3s ease;
    font-size: 0.9rem;
}

.social-top a:hover {
    background: #F4C430;
    color: #0F172A;
    transform: translateY(-1px);
}

/* Navbar */
.navbar {
    background: white;
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.06);
    position: sticky;
    top: 0;
    z-index: 1000;
    padding: 15px 0;
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
}

.logo-img {
    height: 52px;
    width: auto;
}

.logo-text {
    display: flex;
    flex-direction: column;
}

.logo-main {
    font-family: 'Poppins', sans-serif;
    font-size: 1.65rem;
    font-weight: 700;
    color: var(--text-dark);
    line-height: 1;
}

.logo-sub {
    font-size: 0.72rem;
    font-weight: 500;
    color: #666;
    letter-spacing: 1.5px;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 8px;
    align-items: center;
}

.nav-link {
    padding: 12px 22px;
    color: var(--text-dark);
    text-decoration: none;
    font-weight: 500;
    border-radius: 50px;
    transition: var(--transition);
    position: relative;
}

.nav-link:hover {
    color: var(--primary);
    background: rgba(244, 196, 48, 0.08);
}

.dropdown {
    position: relative;
}

.dropdown-menu {
    position: absolute;
    top: 100%;
    left: 0;
    background: white;
    min-width: 240px;
    box-shadow: var(--shadow);
    border-radius: 16px;
    padding: 12px 0;
    opacity: 0;
    visibility: hidden;
    transform: translateY(15px);
    transition: var(--transition);
    list-style: none;
    z-index: 100;
}

.dropdown:hover .dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.dropdown-menu li a {
    display: block;
    padding: 12px 24px;
    color: var(--text-dark);
    text-decoration: none;
    transition: var(--transition);
}

.dropdown-menu li a:hover {
    background: #f8f9fa;
    color: var(--primary);
    padding-left: 32px;
}

.mobile-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 1.5rem;
    color: var(--text-dark);
    cursor: pointer;
}

.mobile-menu-header {
    display: none;
}

```

.nav-cta {
    padding: 12px 32px !important;
    font-weight: 600;
    border-radius: 50px;
    text-decoration: none;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 14px 32px;
    border-radius: 50px;
    font-weight: 600;
    text-decoration: none;
    transition: var(--transition);
    border: none;
    cursor: pointer;
    font-size: 1rem;
    position: relative;
    overflow: hidden;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary), #E6A800);
    color: white;
    box-shadow: 0 8px 25px rgba(244, 196, 48, 0.35);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 35px rgba(244, 196, 48, 0.45);
}

.btn-secondary {
    background: white;
    color: var(--text-dark);
    border: 2px solid var(--primary);
}

.btn-secondary:hover {
    background: var(--primary);
    color: white;
}

/* 3D Button Effect */
.btn-3d {
    transition: transform 0.3s, box-shadow 0.3s;
    box-shadow: 0 6px 0 #D4A017, 0 10px 20px rgba(0,0,0,0.2);
}

.btn-3d:active {
    transform: translateY(4px);
    box-shadow: 0 2px 0 #D4A017;
}

/* Floating Buttons */
.floating-buttons {
    position: fixed;
    bottom: 30px;
    right: 30px;
    z-index: 999;
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.fab {
    width: 62px;
    height: 62px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.6rem;
    box-shadow: 0 8px 25px rgba(0,0,0,0.25);
    text-decoration: none;
    transition: var(--transition);
    position: relative;
}

.fab.whatsapp { background: #25D366; }
.fab.call { background: #00A8E8; }
.fab.chat { background: #FF6B35; border: none; cursor: pointer; }

.fab:hover {
    transform: scale(1.15) rotate(8deg);
    box-shadow: 0 15px 35px rgba(0,0,0,0.3);
}

.fab-label {
    position: absolute;
    right: 75px;
    background: #1A1A2E;
    color: white;
    padding: 6px 16px;
    border-radius: 30px;
    font-size: 0.85rem;
    white-space: nowrap;
    opacity: 0;
    transform: translateX(20px);
    transition: var(--transition);
    pointer-events: none;
}

.fab:hover .fab-label {
    opacity: 1;
    transform: translateX(0);
}

/* Hero Section - Bright, Energetic & Premium (Solar + Sky Blue) */
.hero {
    position: relative;
    height: 100vh;
    min-height: 720px;
    display: flex;
    align-items: center;
    overflow: hidden;
    background: linear-gradient(135deg, #0F172A 0%, #1E3A8A 100%);
}

.hero-video {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    z-index: 1;
    opacity: 0.55;
    filter: brightness(1.1);
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(
        135deg,
        rgba(15, 23, 42, 0.55) 0%,
        rgba(30, 58, 138, 0.35) 45%,
        rgba(244, 196, 48, 0.18) 100%
    );
    z-index: 2;
}

.hero-content {
    position: relative;
    z-index: 3;
    max-width: 780px;
    color: white;
    padding: 0 20px;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(255,255,255,0.15);
    backdrop-filter: blur(12px);
    padding: 8px 22px;
    border-radius: 50px;
    font-size: 0.95rem;
    margin-bottom: 24px;
    border: 1px solid rgba(255,255,255,0.2);
}

.hero h1 {
    font-size: 4.4rem;
    font-weight: 800;
    line-height: 1.05;
    margin-bottom: 24px;
    color: #FFFFFF;
    text-shadow: 0 4px 25px rgba(0, 0, 0, 0.35);
}

.hero p {
    font-size: 1.3rem;
    margin-bottom: 40px;
    opacity: 0.95;
    max-width: 680px;
    color: #E0F2FE;
}

.hero-cta {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}

.pulse {
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { box-shadow: 0 0 0 0 rgba(244, 196, 48, 0.6); }
    70% { box-shadow: 0 0 0 20px rgba(244, 196, 48, 0); }
}

/* Services Section */
.section {
    padding: 100px 0;
}

.section-header {
    text-align: center;
    max-width: 720px;
    margin: 0 auto 70px;
}

.section-header h2 {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 16px;
    color: var(--text-dark);
}

.section-header p {
    font-size: 1.2rem;
    color: #555;
}

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

.service-card {
    background: white;
    border-radius: 24px;
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition);
    position: relative;
}

.service-card:hover {
    transform: translateY(-15px);
    box-shadow: 0 25px 60px rgba(0, 0, 0, 0.12);
}

.service-card .card-image {
    height: 240px;
    background-size: cover;
    background-position: center;
    position: relative;
}

.service-card .card-image::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 60%;
    background: linear-gradient(transparent, rgba(26,26,46,0.75));
}

.service-card .icon {
    position: absolute;
    top: 25px;
    right: 25px;
    width: 68px;
    height: 68px;
    background: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    color: var(--primary);
    box-shadow: 0 8px 25px rgba(0,0,0,0.15);
    z-index: 2;
}

.service-card-content {
    padding: 32px;
}

.service-card h3 {
    font-size: 1.55rem;
    margin-bottom: 14px;
    color: var(--text-dark);
}

.service-card p {
    color: #555;
    margin-bottom: 24px;
    line-height: 1.65;
}

.service-card .btn {
    width: 100%;
    justify-content: center;
}

/* 3D Package Cards */
.package-card {
    background: white;
    border-radius: 24px;
    padding: 40px 32px;
    box-shadow: var(--shadow);
    transition: transform 0.5s cubic-bezier(0.23, 1, 0.32, 1), 
                box-shadow 0.5s cubic-bezier(0.23, 1, 0.32, 1);
    position: relative;
    overflow: hidden;
    border: 1px solid #eee;
}

.package-card.popular {
    border: 3px solid var(--primary);
    transform: scale(1.03);
}

.package-card:hover {
    transform: perspective(1000px) rotateX(8deg) rotateY(8deg) translateY(-12px);
    box-shadow: 0 40px 80px rgba(0, 0, 0, 0.15);
}

.package-card .badge {
    position: absolute;
    top: -1px;
    right: -1px;
    background: var(--accent);
    color: white;
    padding: 6px 22px;
    font-size: 0.8rem;
    font-weight: 700;
    border-radius: 0 24px 0 24px;
}

.package-price {
    font-size: 3.2rem;
    font-weight: 800;
    color: var(--text-dark);
    margin: 16px 0;
}

.package-price span {
    font-size: 1.1rem;
    font-weight: 500;
    color: #666;
}

.package-features {
    list-style: none;
    margin: 28px 0;
}

.package-features li {
    padding: 10px 0;
    border-bottom: 1px solid #f0f0f0;
    display: flex;
    align-items: center;
    gap: 12px;
}

.package-features li i {
    color: var(--primary);
    font-size: 1.1rem;
}

/* Contact Page Styles */
.contact-hero {
    background: linear-gradient(135deg, #1A1A2E, #16213E);
    color: white;
    padding: 120px 0 80px;
    text-align: center;
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    margin-top: 60px;
}

.contact-form {
    background: white;
    padding: 40px;
    border-radius: 24px;
    box-shadow: 0 20px 50px rgba(0,0,0,0.1);
    border: 1px solid #f0f0f0;
}

@media (max-width: 768px) {
    .contact-form {
        padding: 25px 20px;
    }
    
    .contact-grid {
        grid-template-columns: 1fr !important;
        gap: 30px;
    }
    
    .contact-form .form-group {
        margin-bottom: 18px;
    }
    
    .contact-form input,
    .contact-form textarea,
    .contact-form select {
        padding: 14px 16px !important;
        font-size: 0.95rem !important;
    }
    
    .contact-form button {
        padding: 16px !important;
        font-size: 1rem !important;
    }
}

.form-group {
    margin-bottom: 24px;
    position: relative;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    color: #333;
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 16px 20px;
    border: 2px solid #e5e5e5;
    border-radius: 14px;
    font-size: 1rem;
    transition: var(--transition);
    background: #fafafa;
}

.form-group input:focus,
.form-group textarea:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 4px rgba(244, 196, 48, 0.15);
    background: white;
    outline: none;
}

.form-group textarea {
    min-height: 160px;
    resize: vertical;
}

/* Animated Inputs */
.form-group input:focus + label,
.form-group textarea:focus + label {
    color: var(--primary);
}

/* Map */
.map-container {
    border-radius: 24px;
    overflow: hidden;
    box-shadow: var(--shadow);
    height: 450px;
    position: relative;
}

.map-container iframe {
    width: 100%;
    height: 100%;
    border: 0;
}

@media (max-width: 768px) {
    .map-container {
        height: 280px;
        margin-bottom: 20px;
    }
}

/* Careers */
.job-card {
    background: white;
    border-radius: 20px;
    padding: 32px;
    margin-bottom: 24px;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.job-card:hover {
    transform: translateX(12px);
    box-shadow: 0 15px 40px rgba(0,0,0,0.1);
}

.job-card h3 {
    color: var(--primary);
    margin-bottom: 12px;
}

/* Reviews */
.review-card {
    background: white;
    border-radius: 20px;
    padding: 32px;
    box-shadow: var(--shadow);
}

.stars {
    color: #FFB800;
    font-size: 1.3rem;
    margin-bottom: 12px;
}

/* Theme Switcher (Admin Only - can be hidden) */
.theme-switcher {
    position: fixed;
    bottom: 120px;
    right: 30px;
    background: white;
    padding: 12px;
    border-radius: 50px;
    box-shadow: var(--shadow);
    z-index: 998;
}

.theme-switcher select {
    border: none;
    background: transparent;
    font-weight: 600;
    cursor: pointer;
}

/* Responsive */
@media (max-width: 992px) {
    .nav-menu {
        position: fixed;
        top: 0;
        left: -100%;
        width: 100%;
        height: 100vh;
        background: linear-gradient(135deg, #1A1A2E 0%, #0F3460 100%);
        flex-direction: column;
        padding: 0;
        transition: left 0.5s cubic-bezier(0.23, 1, 0.32, 1);
        z-index: 999;
        box-shadow: -15px 0 40px rgba(0, 0, 0, 0.4);
        overflow-y: auto;
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    /* Mobile Menu Header (Logo + Close) */
    .mobile-menu-header {
        display: flex;
        justify-content: space-between;
        align-items: center;
        padding: 20px 25px;
        border-bottom: 1px solid rgba(244, 196, 48, 0.15);
        background: rgba(255,255,255,0.03);
    }
    
    .mobile-menu-header .logo-img {
        height: 42px;
        filter: brightness(0) invert(1);
    }
    
    .mobile-close {
        background: rgba(255,255,255,0.1);
        border: none;
        color: white;
        width: 48px;
        height: 48px;
        border-radius: 50%;
        font-size: 1.5rem;
        cursor: pointer;
        display: flex;
        align-items: center;
        justify-content: center;
        transition: all 0.3s ease;
    }
    
    .mobile-close:hover {
        background: #F4C430;
        color: #1A1A2E;
        transform: rotate(90deg);
    }
    
    /* Menu Items */
    .nav-menu > li {
        border-bottom: 1px solid rgba(255,255,255,0.08);
    }
    
    .nav-menu > li:last-child {
        border-bottom: none;
    }
    
    .nav-menu a {
        color: white;
        font-size: 1.25rem;
        font-weight: 500;
        padding: 18px 30px;
        display: block;
        transition: all 0.3s ease;
    }
    
    .nav-menu a:hover {
        color: #F4C430;
        background: rgba(244, 196, 48, 0.08);
        padding-left: 40px;
    }
    
    .nav-menu .dropdown-menu {
        background: rgba(0,0,0,0.2);
        padding: 10px 0;
        margin: 0;
        border-radius: 0;
        box-shadow: none;
        position: static;
        opacity: 1;
        visibility: visible;
        transform: none;
        display: none;
    }
    
    .nav-menu .dropdown:hover .dropdown-menu,
    .nav-menu .dropdown.active .dropdown-menu {
        display: block;
    }
    
    .nav-menu .dropdown-menu li a {
        font-size: 1.05rem;
        padding: 12px 50px;
        color: #E0F2FE;
    }
    
    .nav-menu .dropdown-menu li a:hover {
        color: #F4C430;
        padding-left: 60px;
    }
    
    .mobile-toggle {
        display: block;
        z-index: 1000;
        position: relative;
    }
}

@media (max-width: 576px) {
    .hero h1 {
        font-size: 2.4rem;
    }
    
    .section {
        padding: 70px 0;
    }
}

/* Footer Styles - Clean & Professional */
.footer {
    background: #0F172A;
    color: #CBD5E1;
    padding: 70px 0 30px;
    margin-top: 60px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
    gap: 50px;
    margin-bottom: 50px;
}

.footer-col h4 {
    color: #F4C430;
    font-size: 1.1rem;
    margin-bottom: 20px;
    position: relative;
    padding-bottom: 10px;
}

.footer-col h4::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 40px;
    height: 2px;
    background: #F4C430;
}

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

.footer-col ul li {
    margin-bottom: 12px;
}

.footer-col ul li a {
    color: #94A3B8;
    text-decoration: none;
    transition: 0.3s;
}

.footer-col ul li a:hover {
    color: #F4C430;
    padding-left: 5px;
}

.footer-contact .contact-item {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    margin-bottom: 16px;
}

.footer-contact .contact-item i {
    color: #F4C430;
    margin-top: 4px;
}

.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.1);
    padding-top: 25px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 15px;
}

.footer-bottom a {
    color: #64748B;
    text-decoration: none;
    margin-left: 20px;
}

.footer-bottom a:hover {
    color: #F4C430;
}

@media (max-width: 992px) {
    .footer-grid {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 576px) {
    .footer-grid {
        grid-template-columns: 1fr;
    }
}

/* ========================================
   MOBILE RESPONSIVE FIX - HEADER
   ======================================== */
@media (max-width: 768px) {
    .nav-wrapper {
        flex-wrap: wrap;
        gap: 10px;
    }
    
    .logo {
        order: 1;
        flex: 1;
    }
    
    .mobile-toggle {
        order: 2;
        display: block !important;
    }
    
    .nav-cta {
        order: 3;
        padding: 8px 16px !important;
        font-size: 0.85rem !important;
    }
    
    /* Hero Section Mobile Fix */
    .hero {
        min-height: 600px;
        padding-top: 60px;
    }
    
    .hero h1 {
        font-size: 2.2rem !important;
        line-height: 1.1 !important;
    }
    
    .hero p {
        font-size: 1rem !important;
        max-width: 100% !important;
    }
    
    .hero-cta {
        flex-direction: column;
        gap: 12px;
    }
    
    .hero-cta .btn {
        width: 100%;
        justify-content: center;
    }
}
.footer-logo-img {
    height: 55px !important;
    filter: brightness(0) invert(1);
}

.footer-social {
    display: flex;
    gap: 12px;
    margin-top: 20px;
}

.footer-social a {
    width: 42px;
    height: 42px;
    background: rgba(255,255,255,0.15);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.2rem;
    transition: 0.3s;
}

.footer-social a:hover {
    background: #F4C430;
    color: #0F172A;
    transform: translateY(-4px);
}

.whatsapp-item i {
    color: #25D366 !important;
}
/* Footer Contact Links Color Fix */
.footer-contact a {
    color: #E2E8F0 !important;     /* হালকা সাদা রঙ */
    text-decoration: none !important;
    font-weight: 500;
}

.footer-contact a:hover {
    color: #F4C430 !important;     /* হোভারে হলুদ */
    text-decoration: underline;
}

/* WhatsApp Special Color */
.footer-contact a[href*="wa.me"] {
    color: #25D366 !important;
}

.footer-contact a[href*="wa.me"]:hover {
    color: #22C55E !important;
}
/* Footer Contact Items Perfect Alignment */
.footer-contact .contact-item {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    margin-bottom: 16px;
}

.footer-contact .contact-item i {
    color: #F4C430;
    margin-top: 3px;
    width: 20px;
    flex-shrink: 0;
}

/* WhatsApp Special Alignment */
.footer-contact .contact-item:last-child i {
    color: #25D366;
    margin-top: 4px;
}

/* Extra Safety for Mobile */
@media (max-width: 576px) {
    .footer-contact .contact-item {
        align-items: center;
    }
}
/* Perfect Vertical Alignment for Footer Contact */
.footer-contact .contact-item {
    display: flex;
    align-items: center;           /* সবাইকে মাঝখানে অ্যালাইন করবে */
    gap: 12px;
    margin-bottom: 18px;
}

.footer-contact .contact-item i {
    font-size: 1.15rem;
    width: 22px;
    flex-shrink: 0;
    margin-top: 0;                 /* আইকনের উপরের গ্যাপ মুছে দিলাম */
}

/* WhatsApp Special Fix */
.footer-contact .contact-item:last-child i {
    color: #25D366;
    font-size: 1.25rem;
}

/* Extra fine tuning */
.footer-contact .contact-item span,
.footer-contact .contact-item a {
    line-height: 1.4;
}