@import url('https://fonts.googleapis.com/css2?family=Rajdhani:wght@400;500;600;700&family=Tiro+Bangla:ital@0;1&display=swap');

:root {
    --primary-color: #003361;
    --secondary-color: #03b4e0;
    --accent-color: #00c853;
    --gold-color: #ffd700;
    --dark-bg: #1a1a2e;
    --light-bg: #f8f9fa;
    --text-dark: #2d3436;
    --text-light: #636e72;
    --white: #ffffff;
    --shadow-sm: 0 2px 10px rgba(0,0,0,0.08);
    --shadow-md: 0 5px 25px rgba(0,0,0,0.12);
    --shadow-lg: 0 10px 40px rgba(0,0,0,0.16);
    --shadow-xl: 0 20px 60px rgba(0,0,0,0.2);
}

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

body {
    font-family: 'Tiro Bangla', serif;
    background: var(--light-bg);
    overflow-x: hidden;
    line-height: 1.7;
}

/* Scrollbar */
::-webkit-scrollbar {
    width: 10px;
}

::-webkit-scrollbar-track {
    background: #f1f1f1;
}

::-webkit-scrollbar-thumb {
    background: linear-gradient(180deg, var(--primary-color), var(--secondary-color));
    border-radius: 10px;
}

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

/* Header */
.modern-header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: rgba(0, 51, 97, 0.95);
    backdrop-filter: blur(10px);
    padding: 15px 0;
    z-index: 1000;
    transition: all 0.3s ease;
    box-shadow: var(--shadow-sm);
}

.modern-header.scrolled {
    padding: 10px 0;
    box-shadow: var(--shadow-md);
}

.header-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 5%;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo-section {
    display: flex;
    align-items: center;
    gap: 15px;
}

.logo-img {
    width: 100px;
    height: 60px;
    transition: transform 0.3s ease;
}

.logo-img:hover {
    transform: rotate(360deg);
}

.logo-text h1 {
    font-size: 1.5rem;
    color: var(--secondary-color);
    margin-bottom: 5px;
}

.logo-text span {
    font-size: 0.9rem;
    color: #bdbdbd;
}

/* Navigation */
.main-nav {
    position: relative;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 10px;
}

.nav-links li a {
    color: white;
    text-decoration: none;
    padding: 10px 20px;
    border-radius: 8px;
    display: flex;
    align-items: center;
    gap: 8px;
    transition: all 0.3s ease;
    font-size: 1rem;
}

.nav-links li a:hover,
.nav-links li a.active {
    background: var(--secondary-color);
    transform: translateY(-2px);
}

.nav-links li a i {
    font-size: 0.9rem;
}

/* Hamburger Menu */
.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 5px;
}

.hamburger span {
    width: 30px;
    height: 3px;
    background: white;
    border-radius: 3px;
    transition: all 0.3s ease;
}

.hamburger.active span:nth-child(1) {
    transform: rotate(45deg) translate(8px, 8px);
}

.hamburger.active span:nth-child(2) {
    opacity: 0;
}

.hamburger.active span:nth-child(3) {
    transform: rotate(-45deg) translate(8px, -8px);
}

/* Notice Bar */
.notice-bar {
    margin-top: 90px;
    background: linear-gradient(135deg, var(--primary-color), #00509e);
    padding: 15px 20px;
    box-shadow: var(--shadow-sm);
}

.notice-content {
    display: flex;
    align-items: center;
    gap: 15px;
    color: white;
    font-size: 1.1rem;
}

.notice-content i {
    font-size: 1.5rem;
    color: var(--gold-color);
    animation: bellRing 2s ease-in-out infinite;
}

@keyframes bellRing {
    0%, 100% { transform: rotate(0deg); }
    10%, 30% { transform: rotate(-15deg); }
    20%, 40% { transform: rotate(15deg); }
    50% { transform: rotate(0deg); }
}

/* Hero Section */
.hero-section {
    position: relative;
    background: linear-gradient(135deg, var(--primary-color), #00509e);
    padding: 80px 20px;
    text-align: center;
    overflow: hidden;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at center, rgba(3, 180, 224, 0.2), transparent);
    animation: pulseGlow 3s ease-in-out infinite;
}

@keyframes pulseGlow {
    0%, 100% { opacity: 0.3; }
    50% { opacity: 0.6; }
}

.hero-content {
    position: relative;
    z-index: 2;
}

.hero-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 100px;
    height: 100px;
    background: rgba(255, 255, 255, 0.15);
    border-radius: 50%;
    margin-bottom: 30px;
    animation: floatIcon 3s ease-in-out infinite;
}

@keyframes floatIcon {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-20px); }
}

.hero-icon i {
    font-size: 3rem;
    color: var(--gold-color);
}

.hero-title {
    font-size: 3rem;
    color: white;
    margin-bottom: 15px;
    text-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
}

.hero-subtitle {
    font-size: 1.5rem;
    color: #e0e0e0;
    margin-bottom: 40px;
}

.hero-image img {
    max-width: 400px;
    width: 100%;
    filter: drop-shadow(0 10px 30px rgba(0, 0, 0, 0.3));
}

/* Animations */
.fade-in {
    animation: fadeInUp 1s ease-out;
}

.fade-in-delay {
    animation: fadeInUp 1s ease-out 0.3s backwards;
}

.fade-in-delay-2 {
    animation: fadeInUp 1s ease-out 0.6s backwards;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Main Content */
.main-content {
    padding: 60px 0;
}

/* Section Header */
.section-header {
    text-align: center;
    margin-bottom: 50px;
}

.section-header h2 {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 15px;
    display: inline-flex;
    align-items: center;
    gap: 15px;
}

.section-header h2 i {
    color: var(--secondary-color);
}

.header-line {
    width: 100px;
    height: 4px;
    background: linear-gradient(90deg, var(--secondary-color), var(--accent-color));
    margin: 0 auto 15px;
    border-radius: 2px;
}

.section-header p {
    font-size: 1.1rem;
    color: var(--text-light);
}

/* Content Card */
.content-card {
    background: white;
    border-radius: 20px;
    padding: 50px;
    box-shadow: var(--shadow-lg);
    position: relative;
    overflow: hidden;
}

.content-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 5px;
    background: linear-gradient(90deg, var(--secondary-color), var(--accent-color));
}

.card-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--secondary-color), var(--accent-color));
    border-radius: 50%;
    margin-bottom: 30px;
    box-shadow: var(--shadow-md);
}

.card-icon i {
    font-size: 2.5rem;
    color: white;
}

.content-card p {
    font-size: 1.2rem;
    color: var(--text-dark);
    line-height: 1.8;
    margin-bottom: 30px;
}

.highlight-text {
    background: linear-gradient(135deg, #e3f2fd, #e1f5fe);
    border-left: 5px solid var(--secondary-color);
    padding: 30px;
    border-radius: 12px;
    margin: 30px 0;
    display: flex;
    gap: 20px;
}

.highlight-text i {
    font-size: 2rem;
    color: var(--accent-color);
    flex-shrink: 0;
}

.highlight-text p {
    margin: 0;
    font-size: 1.1rem;
}

.cta-box {
    background: linear-gradient(135deg, var(--accent-color), #1de9b6);
    color: white;
    padding: 35px;
    border-radius: 15px;
    display: flex;
    gap: 25px;
    align-items: center;
    box-shadow: var(--shadow-lg);
    margin-top: 30px;
}

.cta-box i {
    font-size: 3rem;
    flex-shrink: 0;
}

.cta-box h3 {
    font-size: 1.5rem;
    margin-bottom: 10px;
}

.cta-box p {
    margin: 0;
    font-size: 1.2rem;
}

/* Accounts Section */
.accounts-section {
    padding: 80px 0;
    background: linear-gradient(135deg, #f8f9fa, #e9ecef);
}

.accounts-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
}

.account-card {
    background: white;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: all 0.4s ease;
}

.account-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-xl);
}

.bank-logo {
    background: linear-gradient(135deg, var(--primary-color), #00509e);
    padding: 40px;
    display: flex;
    justify-content: center;
    align-items: center;
}

.bank-logo img {
    max-width: 150px;
    height: 80px;
    object-fit: contain;
    filter: brightness(0) invert(1);
}

.bank-details {
    padding: 30px;
}

.bank-details h3 {
    font-size: 1.5rem;
    color: var(--primary-color);
    margin-bottom: 8px;
}

.branch {
    color: var(--text-light);
    font-size: 1rem;
    margin-bottom: 25px;
}

.account-info {
    display: flex;
    flex-direction: column;
    gap: 20px;
    margin-bottom: 25px;
}

.info-item {
    display: flex;
    gap: 15px;
    align-items: flex-start;
    padding: 15px;
    background: var(--light-bg);
    border-radius: 10px;
}

.info-item i {
    color: var(--secondary-color);
    font-size: 1.3rem;
    margin-top: 3px;
}

.info-item span {
    display: block;
    color: var(--text-light);
    font-size: 0.9rem;
    margin-bottom: 5px;
}

.info-item strong {
    color: var(--text-dark);
    font-size: 1.1rem;
    font-family: 'Rajdhani', sans-serif;
}

.copy-btn {
    width: 100%;
    background: linear-gradient(135deg, var(--secondary-color), var(--accent-color));
    color: white;
    border: none;
    padding: 12px 25px;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: var(--shadow-sm);
}

.copy-btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

/* Mobile Banking Section */
.mobile-banking-section {
    padding: 80px 0;
}

.mobile-banking-card {
    background: white;
    border-radius: 20px;
    padding: 50px;
    box-shadow: var(--shadow-lg);
    max-width: 700px;
    margin: 0 auto;
}

.banking-logos {
    display: flex;
    justify-content: center;
    gap: 40px;
    margin-bottom: 40px;
}

.banking-logo {
    width: 120px;
    height: 120px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--light-bg);
    border-radius: 50%;
    padding: 20px;
    transition: all 0.3s ease;
}

.banking-logo:hover {
    transform: scale(1.1);
    box-shadow: var(--shadow-md);
}

.banking-logo img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.banking-number {
    text-align: center;
}

.banking-number h3 {
    font-size: 2rem;
    color: var(--primary-color);
    margin-bottom: 20px;
}

.number-display {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 15px;
    background: linear-gradient(135deg, #e3f2fd, #e1f5fe);
    padding: 20px 30px;
    border-radius: 12px;
    margin-bottom: 15px;
    flex-wrap: wrap;
}

.number-display i {
    font-size: 1.8rem;
    color: var(--secondary-color);
}

.number-display span {
    font-family: 'Rajdhani', sans-serif;
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary-color);
}

.copy-btn-small {
    background: var(--secondary-color);
    color: white;
    border: none;
    padding: 8px 15px;
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.copy-btn-small:hover {
    background: var(--accent-color);
    transform: scale(1.05);
}

.note {
    color: var(--text-light);
    font-size: 1rem;
}

.dua-box {
    background: linear-gradient(135deg, var(--primary-color), #00509e);
    color: white;
    padding: 40px;
    border-radius: 15px;
    text-align: center;
    margin-top: 50px;
    box-shadow: var(--shadow-lg);
}

.dua-box i {
    font-size: 3rem;
    margin-bottom: 20px;
    color: var(--gold-color);
}

.dua-box h3 {
    font-size: 1.8rem;
    line-height: 1.6;
}

/* Quick Links Section */
.quick-links-section {
    padding: 80px 0;
    background: linear-gradient(135deg, #f8f9fa, #e9ecef);
}

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

.link-card {
    background: white;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: all 0.4s ease;
}

.link-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-xl);
}

.link-image {
    height: 250px;
    overflow: hidden;
}

.link-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s ease;
}

.link-card:hover .link-image img {
    transform: scale(1.15);
}

.link-content {
    padding: 30px;
}

.link-content h3 {
    font-size: 1.8rem;
    color: var(--primary-color);
    margin-bottom: 15px;
}

.link-content p {
    color: var(--text-light);
    font-size: 1.1rem;
    line-height: 1.8;
    margin-bottom: 20px;
}

.link-btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    background: linear-gradient(135deg, var(--secondary-color), var(--accent-color));
    color: white;
    text-decoration: none;
    padding: 12px 25px;
    border-radius: 8px;
    font-weight: 600;
    transition: all 0.3s ease;
    box-shadow: var(--shadow-sm);
}

.link-btn:hover {
    transform: translateX(5px);
    box-shadow: var(--shadow-md);
}

/* Social Media Section */
.social-media-section {
    padding: 80px 0;
}

.video-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.video-item {
    position: relative;
    padding-bottom: 56.25%;
    height: 0;
    overflow: hidden;
    border-radius: 15px;
    box-shadow: var(--shadow-md);
    transition: all 0.3s ease;
}

.video-item:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.video-item iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border-radius: 15px;
}

/* Map Section */
.map-section {
    padding: 80px 0;
    background: linear-gradient(135deg, #f8f9fa, #e9ecef);
}

.map-container {
    border-radius: 20px;
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    height: 500px;
}

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

/* Footer */
.modern-footer {
    background: linear-gradient(135deg, #1a1a2e, #16213e);
    color: white;
    padding: 60px 0 0;
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px 40px;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
}

.footer-col img {
    width: 80px;
    margin-bottom: 20px;
}

.footer-col p {
    color: #bdbdbd;
    line-height: 1.8;
}

.footer-col h4 {
    font-size: 1.3rem;
    color: var(--secondary-color);
    margin-bottom: 25px;
    position: relative;
    padding-bottom: 15px;
}

.footer-col h4::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: 0;
    width: 50px;
    height: 3px;
    background: linear-gradient(90deg, var(--secondary-color), var(--accent-color));
    border-radius: 2px;
}

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

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

.footer-col ul li a {
    color: #bdbdbd;
    text-decoration: none;
    transition: all 0.3s ease;
    display: inline-block;
}

.footer-col ul li a:hover {
    color: var(--secondary-color);
    padding-left: 8px;
}

.social-links {
    display: flex;
    gap: 15px;
    flex-wrap: wrap;
}

.social-links a {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 45px;
    height: 45px;
    background: linear-gradient(135deg, var(--secondary-color), var(--accent-color));
    border-radius: 50%;
    color: white;
    transition: all 0.3s ease;
    box-shadow: var(--shadow-sm);
}

.social-links a:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(3, 180, 224, 0.4);
}

.footer-bottom {
    background: #0a0e27;
    padding: 20px;
    text-align: center;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-bottom p {
    color: #bdbdbd;
    font-size: 0.95rem;
}

/* Scroll Reveal */
.scroll-reveal {
    opacity: 0;
    transform: translateY(60px);
    transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.scroll-reveal.active {
    opacity: 1;
    transform: translateY(0);
}

/* Responsive Design */
@media (max-width: 1024px) {
    .accounts-grid {
        grid-template-columns: 1fr;
        max-width: 600px;
        margin: 0 auto;
    }
}

@media (max-width: 900px) {
    /* Header */
    .logo-text h1 {
        font-size: 1.2rem;
    }

    .logo-img {
        width: 50px;
        height: 50px;
    }

    /* Navigation */
    .hamburger {
        display: flex;
    }

    .nav-links {
        position: fixed;
        top: 80px;
        right: -100%;
        width: 280px;
        height: calc(100vh - 80px);
        background: rgba(0, 51, 97, 0.98);
        backdrop-filter: blur(10px);
        flex-direction: column;
        padding: 30px 20px;
        gap: 5px;
        transition: right 0.4s ease;
        box-shadow: var(--shadow-xl);
    }

    .nav-links.active {
        right: 0;
    }

    .nav-links li a {
        padding: 15px 20px;
        border-radius: 10px;
        width: 100%;
    }

    /* Hero */
    .hero-title {
        font-size: 2rem;
    }

    .hero-subtitle {
        font-size: 1.2rem;
    }

    .hero-image img {
        max-width: 300px;
    }

    /* Content */
    .section-header h2 {
        font-size: 2rem;
        flex-direction: column;
    }

    .content-card {
        padding: 30px;
    }

    .mobile-banking-card {
        padding: 30px;
    }

    .banking-logos {
        gap: 20px;
    }

    .banking-logo {
        width: 100px;
        height: 100px;
    }

    .number-display span {
        font-size: 1.5rem;
    }

    .cta-box {
        flex-direction: column;
        text-align: center;
    }

    .video-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 600px) {
    .notice-bar {
        margin-top: 75px;
        padding: 10px 15px;
    }

    .notice-content {
        font-size: 0.95rem;
    }

    .hero-section {
        padding: 50px 15px;
    }

    .hero-icon {
        width: 80px;
        height: 80px;
    }

    .hero-icon i {
        font-size: 2rem;
    }

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

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

    .hero-image img {
        max-width: 250px;
    }

    .section-header h2 {
        font-size: 1.5rem;
    }

    .content-card {
        padding: 25px;
    }

    .content-card p,
    .highlight-text p {
        font-size: 1rem;
    }

    .bank-details {
        padding: 20px;
    }

    .bank-details h3 {
        font-size: 1.2rem;
    }

    .mobile-banking-card {
        padding: 25px;
    }

    .banking-logos {
        flex-direction: column;
        align-items: center;
    }

    .number-display {
        padding: 15px 20px;
    }

    .link-content {
        padding: 20px;
    }

    .link-content h3 {
        font-size: 1.4rem;
    }

    .map-container {
        height: 350px;
    }

    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .footer-col h4::after {
        left: 50%;
        transform: translateX(-50%);
    }

    .social-links {
        justify-content: center;
    }
}

@media (max-width: 400px) {
    .logo-text h1 {
        font-size: 1rem;
    }

    .hero-title {
        font-size: 1.3rem;
    }

    .section-header h2 {
        font-size: 1.3rem;
    }

    .info-item {
        padding: 12px;
    }

    .number-display span {
        font-size: 1.3rem;
    }
}