@import url('https://fonts.googleapis.com/css2?family=Noto+Sans+Bengali:wght@100..900&display=swap');
@import url('https://fonts.googleapis.com/css2?family=Roboto:ital,wght@0,100..900;1,100..900&display=swap');

:root {
    --primary: #1a5d8f;
    --secondary: #f8b400;
    --dark: #2c3e50;
    --light: #f8f9fa;
    --accent: #e74c3c;
    --success: #27ae60;
}

.bn {
    font-family: "Noto Sans Bengali", sans-serif;
    font-optical-sizing: auto;
    font-style: normal;
    font-variation-settings:
        "wdth" 100;
}

.en {
    font-family: "Roboto", sans-serif;
    font-optical-sizing: auto;
    font-style: normal;
    font-variation-settings:
        "wdth" 100;
}

/* Shared style */

.text-dark {
    color: var(--dark);
}

.bg-dark {
    background-color: var(--dark);
}

.bg-secodary {
    background-color: var(--secondary);
}

.section-title h2::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 5rem;
    height: 0.25rem;
    background-color: var(--secondary);
}

/* Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(1.875rem);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.animate-on-scroll {
    opacity: 0;
    transform: translateY(11.25px);
    transition: all 0.8s ease;
}

.animate-on-scroll.animated {
    opacity: 1;
    transform: translateY(0);
}

/* nav custom styles */

.nav-link {
    position: relative;
    transition: color 0.3s;
}

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

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 3px;
    background-color: var(--secondary);
    transition: width 0.3s ease;
}

.nav-link:hover::after {
    width: 100%;
}

.custom-size {
    width: 150px;
}

/* @media (max-width: 640px) {
    .nav-link:hover::after {
        width: 20%;
    }
}

@media (min-width: 640px) and (max-width: 1024px) {
    .nav-link:hover::after {
        width: 12%;
    }
} */

/* Hero Section */
.hero {
    background: linear-gradient(rgba(0, 0, 0, 0.7), rgba(0, 0, 0, 0.7)), url("../images/image1.png");
    background-size: cover;
    background-position: center;
    min-height: 70vh;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(26, 93, 143, 0.6) 0%, rgba(248, 180, 0, 0.4) 100%);
    z-index: 0;
}

.hero h1 {
    animation: fadeInUp 1s ease;
}

.hero p {
    animation: fadeInUp 1s ease 0.2s;
    animation-fill-mode: both;
}

.hero-btns {
    animation: fadeInUp 1s ease 0.4s;
    animation-fill-mode: both;
}

/* Feature style */

.feature-icon {
    color: var(--primary);
    transition: transform 0.3s ease;
}

.feature-card {
    background: white;
    border-radius: 10px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.05);
    transition: all 0.4s ease;
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 5px;
    height: 0;
    background-color: var(--primary);
    transition: height 0.4s ease;
}

.feature-card:hover::before {
    height: 100%;
}

.feature-card:hover {
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
}

.feature-card:hover .feature-icon {
    transform: scale(1.01);
    color: var(--secondary);
}

/* Pricing Section Styles */
.pricing-card {
    background: white;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
    transition: all 0.4s ease;
    position: relative;
    overflow: hidden;
    border: 2px solid transparent;
}

.pricing-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 6px;
    background: linear-gradient(90deg, var(--primary), var(--secondary));
    transform: translateY(-6px);
    transition: transform 0.4s ease;
}

.pricing-card:hover::before {
    transform: translateY(0);
}

.pricing-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.12);
}

.pricing-card.featured {
    border-color: var(--secondary);
    transform: scale(1.05);
}

.pricing-card.featured::before {
    transform: translateY(0);
}

.pricing-badge {
    background: linear-gradient(45deg, var(--secondary), #ffca28);
    color: white;
    padding: 8px 20px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: bold;
    position: absolute;
    top: -12px;
    right: 20px;
    box-shadow: 0 4px 12px rgba(248, 180, 0, 0.3);
}

.price-amount {
    color: var(--primary);
    line-height: 1;
}

.price-currency {
    vertical-align: super;
}

.price-period {
    color: #666;
    margin-left: 8px;
}

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

.feature-list li {
    padding: 12px 0;
    border-bottom: 1px solid #f0f0f0;
    position: relative;
    padding-left: 30px;
}

.feature-list li:last-child {
    border-bottom: none;
}

.feature-list li::before {
    content: '✓';
    position: absolute;
    left: 0;
    top: 12px;
    color: var(--success);
    font-weight: bold;
}

.feature-list li.unavailable {
    color: #999;
    text-decoration: line-through;
}

.feature-list li.unavailable::before {
    content: '✗';
    color: #999;
}

.pricing-btn {
    width: 100%;
    padding: 15px;
    border-radius: 50px;
    font-weight: bold;
    letter-spacing: 1px;
    transition: all 0.3s ease;
    border: 2px solid var(--primary);
    background: transparent;
    color: var(--primary);
}

.pricing-btn:hover {
    background: var(--primary);
    color: white;
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(26, 93, 143, 0.3);
}

.pricing-btn.featured {
    background: linear-gradient(45deg, var(--primary), #2980b9);
    color: white;
    border-color: transparent;
}

.pricing-btn.featured:hover {
    background: linear-gradient(45deg, #144A75, var(--primary));
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(26, 93, 143, 0.4);
}

/* About Section Style */

.about-content {
    border-radius: 10px;
    box-shadow: 0 5px 30px rgba(0, 0, 0, 0.08);
    position: relative;
    overflow: hidden;
}

.about-content::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 5px;
    height: 100%;
    background: linear-gradient(to bottom, var(--primary), var(--secondary));
}

/* Core value section style */
.value-card {
    border-radius: 10px;
    box-shadow: 0 5px 9px rgba(0, 0, 0, 0.158);
    transition: all 0.4s ease;
    border-top: 4px solid var(--primary);
    z-index: 1;
}

.value-card:hover {
    transform: translateY(-0.625rem);
    box-shadow: 0 0.9375rem 1.875rem rgba(0, 0, 0, 0.1);
}

.value-icon {
    transition: all 0.3s ease;
}

.value-card:hover .value-icon {
    transform: scale(1.1);
}

.integrity .value-icon {
    background: linear-gradient(135deg, #1a5d8f 0%, #27ae60 100%);
}

.innovation .value-icon {
    background: linear-gradient(135deg, #f8b400 0%, #e74c3c 100%);
}

.excellence .value-icon {
    background: linear-gradient(135deg, #2c3e50 0%, #9b59b6 100%);
}

.value-card h3::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 3.125rem;
    height: 0.1875rem;
    background-color: var(--secondary);
}

.value-card p {
    color: #555;
    line-height: 1.8;
}

/* Contract section style */
.contract {
    background: linear-gradient(135deg, var(--primary) 0%, #144a75 100%);
}

.contract-btn:hover {
    background-color: var(--dark);
}

/* Go to Top Button Styles */
.go-to-top {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: 1000;
    box-shadow: 0 8px 25px rgba(26, 93, 143, 0.3);
}

.go-to-top.show {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.go-to-top:hover {
    transform: translateY(-5px);
    box-shadow: 0 12px 35px rgba(26, 93, 143, 0.4);
}

.go-to-top:active {
    transform: translateY(-2px);
}

/* Footer style */
.footer-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 50px;
    height: 3px;
    background-color: var(--secondary);
}

.footer-links a {
    transition: all 0.3s ease;
}

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

.footer-links a::before {
    font-weight: 900;
    position: absolute;
    left: -15px;
    top: 50%;
    transform: translateY(-50%);
    opacity: 0;
    transition: all 0.3s ease;
}

.footer-links a:hover::before {
    opacity: 1;
    left: -10px;
}

.social-links a {
    transition: all 0.3s ease;
}

.social-links a:hover {
    background-color: var(--secondary);
    transform: translateY(-5px);
}

.footer-bottom {
    text-align: center;
}