/**
 * Author: RaKiBuL HaSaN - CEO & Founder, The One Stop BD (theonestopbd.com)
 * Developer Phone: +8801752986368
 * Developer Email: rhs.rakibul@gmail.com
 * 
 * Blue Theme Stylesheet for Blue Icon Cooperation Limited
 */

:root {
    --primary-blue: #0a2a44;      /* Deep navy - প্রধান নীল */
    --secondary-blue: #1e3f5e;     /* Royal blue - সেকেন্ডারি নীল */
    --accent-gold: #c9a03d;        /* সোনালী - হাইলাইটের জন্য */
    --light-blue: #e3f0ff;          /* হালকা নীল - ব্যাকগ্রাউন্ডের জন্য */
    --bg-light: #f5f9ff;            /* অল্টারনেট ব্যাকগ্রাউন্ড */
    --text-dark: #132b41;
    --text-light: #4a6b8a;
    --white: #ffffff;
    --shadow: 0 10px 30px rgba(10, 42, 68, 0.1);
    --shadow-hover: 0 20px 40px rgba(10, 42, 68, 0.15);
    --transition: all 0.3s ease;
}

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

body {
    font-family: 'Poppins', sans-serif;
    color: var(--text-dark);
    background: var(--white);
    line-height: 1.6;
}

.container {
    max-width: 1300px;
    margin: 0 auto;
    padding: 0 30px;
}

/* ===== HEADER & NAVIGATION ===== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: var(--white);
    box-shadow: var(--shadow);
    z-index: 1000;
    transition: var(--transition);
}

.header.scrolled {
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(10px);
}

.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 0;
}

.logo {
    display: flex;
    align-items: center;
    gap: 15px;
    text-decoration: none;
}

.logo-icon {
    width: 50px;
    height: 50px;
    background: var(--primary-blue);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent-gold);
    font-size: 1.8rem;
    transform: rotate(5deg);
    transition: var(--transition);
}

.logo:hover .logo-icon {
    transform: rotate(0deg);
    background: var(--accent-gold);
    color: var(--primary-blue);
}

.logo-text h1 {
    font-size: 1.8rem;
    font-weight: 800;
    color: var(--primary-blue);
    line-height: 1.2;
}

.logo-text span {
    font-size: 0.8rem;
    color: var(--text-light);
    letter-spacing: 2px;
}

.nav-menu {
    display: flex;
    gap: 35px;
    list-style: none;
}

.nav-menu a {
    text-decoration: none;
    color: var(--text-dark);
    font-weight: 500;
    font-size: 1rem;
    transition: var(--transition);
    position: relative;
}

.nav-menu a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--accent-gold);
    transition: var(--transition);
}

.nav-menu a:hover::after,
.nav-menu a.active::after {
    width: 100%;
}

.nav-menu a:hover,
.nav-menu a.active {
    color: var(--primary-blue);
}

.nav-toggle {
    display: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--primary-blue);
}

/* ===== HERO SECTION ===== */
.hero {
    padding: 150px 0 80px;
    background: linear-gradient(135deg, var(--light-blue) 0%, var(--white) 100%);
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -10%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(10, 42, 68, 0.03) 0%, transparent 70%);
    border-radius: 50%;
}

.hero .container {
    display: grid;
    grid-template-columns: 1.2fr 0.9fr;
    gap: 50px;
    align-items: center;
    position: relative;
    z-index: 1;
}

.hero-content h1 {
    font-size: 3.2rem;
    font-weight: 800;
    line-height: 1.2;
    color: var(--primary-blue);
}

.hero-content .highlight {
    color: var(--accent-gold);
    position: relative;
    display: inline-block;
}

.hero-content p {
    font-size: 1.1rem;
    color: var(--text-light);
    margin: 25px 0;
    max-width: 500px;
}

.hero-stats {
    display: flex;
    gap: 40px;
    margin: 35px 0;
}

.stat-item h3 {
    font-size: 2.2rem;
    font-weight: 800;
    color: var(--primary-blue);
}

.stat-item p {
    font-size: 0.9rem;
    margin: 5px 0 0;
    color: var(--text-light);
}

.hero-btns {
    display: flex;
    gap: 20px;
}

.btn-primary {
    display: inline-block;
    padding: 15px 40px;
    background: var(--primary-blue);
    color: var(--white);
    text-decoration: none;
    border-radius: 50px;
    font-weight: 600;
    transition: var(--transition);
    border: 2px solid var(--primary-blue);
}

.btn-primary:hover {
    background: var(--accent-gold);
    border-color: var(--accent-gold);
    color: var(--primary-blue);
    transform: translateY(-3px);
    box-shadow: var(--shadow);
}

.btn-secondary {
    display: inline-block;
    padding: 15px 40px;
    background: transparent;
    color: var(--primary-blue);
    text-decoration: none;
    border-radius: 50px;
    font-weight: 600;
    transition: var(--transition);
    border: 2px solid var(--primary-blue);
}

.btn-secondary:hover {
    background: var(--primary-blue);
    color: var(--white);
    transform: translateY(-3px);
    box-shadow: var(--shadow);
}

.hero-image {
    position: relative;
}

.hero-image img {
    width: 100%;
    border-radius: 30px;
    box-shadow: var(--shadow-hover);
    border: 5px solid var(--white);
}

.experience-badge {
    position: absolute;
    bottom: -20px;
    left: -20px;
    background: var(--accent-gold);
    color: var(--primary-blue);
    padding: 20px;
    border-radius: 50%;
    width: 120px;
    height: 120px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    font-weight: 700;
    box-shadow: var(--shadow);
}

.experience-badge span {
    font-size: 2rem;
    line-height: 1;
}

/* ===== SECTION HEADER ===== */
.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-subtitle {
    color: var(--accent-gold);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 3px;
    font-size: 0.9rem;
    margin-bottom: 10px;
    display: block;
}

.section-header h2 {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--primary-blue);
    margin-bottom: 20px;
    position: relative;
    display: inline-block;
}

.section-header h2::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 3px;
    background: var(--accent-gold);
}

.section-header p {
    color: var(--text-light);
    max-width: 600px;
    margin: 20px auto 0;
}

/* ===== ABOUT PREVIEW SECTION ===== */
.about-preview {
    padding: 80px 0;
    background: var(--white);
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.about-content h2 {
    font-size: 2.2rem;
    color: var(--primary-blue);
    margin-bottom: 25px;
}

.about-content p {
    color: var(--text-light);
    margin-bottom: 20px;
}

.about-features {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 25px;
    margin: 35px 0;
}

.feature-item {
    display: flex;
    align-items: center;
    gap: 15px;
}

.feature-item i {
    width: 40px;
    height: 40px;
    background: var(--light-blue);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent-gold);
    font-size: 1.1rem;
}

.feature-item span {
    font-weight: 600;
    color: var(--primary-blue);
}

.about-image img {
    width: 100%;
    border-radius: 30px;
    box-shadow: var(--shadow);
}

/* ===== SERVICES SECTION (AR-Apparels Style) ===== */
.services {
    padding: 80px 0;
    background: var(--bg-light);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.service-card {
    background: var(--white);
    border-radius: 20px;
    padding: 35px 25px;
    box-shadow: var(--shadow);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
    border: 1px solid rgba(10, 42, 68, 0.05);
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 5px;
    height: 100%;
    background: var(--accent-gold);
    opacity: 0;
    transition: var(--transition);
}

.service-card:hover::before {
    opacity: 1;
}

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

.service-icon {
    width: 70px;
    height: 70px;
    background: var(--light-blue);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 25px;
    color: var(--primary-blue);
    font-size: 2rem;
    transition: var(--transition);
}

.service-card:hover .service-icon {
    background: var(--primary-blue);
    color: var(--accent-gold);
}

.service-card h3 {
    font-size: 1.5rem;
    color: var(--primary-blue);
    margin-bottom: 15px;
}

.service-card p {
    color: var(--text-light);
    margin-bottom: 20px;
    font-size: 0.95rem;
}

.service-features-list {
    list-style: none;
    margin: 20px 0;
}

.service-features-list li {
    margin-bottom: 10px;
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 0.9rem;
    color: var(--text-light);
}

.service-features-list i {
    color: var(--accent-gold);
    font-size: 0.8rem;
}

.service-link {
    color: var(--primary-blue);
    text-decoration: none;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 10px;
    transition: var(--transition);
}

.service-link:hover {
    color: var(--accent-gold);
    gap: 15px;
}

/* ===== FACILITIES SECTION (In-House Capabilities) ===== */
.facilities {
    padding: 80px 0;
    background: var(--white);
}

.facilities-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 25px;
}

.facility-card {
    background: var(--bg-light);
    border-radius: 20px;
    padding: 30px 25px;
    text-align: center;
    transition: var(--transition);
    border: 1px solid rgba(10, 42, 68, 0.05);
}

.facility-card:hover {
    transform: translateY(-5px);
    background: var(--primary-blue);
}

.facility-icon {
    width: 70px;
    height: 70px;
    background: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    color: var(--primary-blue);
    font-size: 1.8rem;
    transition: var(--transition);
}

.facility-card:hover .facility-icon {
    background: var(--accent-gold);
    color: var(--primary-blue);
}

.facility-card h3 {
    font-size: 1.2rem;
    color: var(--primary-blue);
    margin-bottom: 15px;
    transition: var(--transition);
}

.facility-card:hover h3 {
    color: var(--white);
}

.facility-list {
    list-style: none;
    text-align: left;
}

.facility-list li {
    margin-bottom: 10px;
    color: var(--text-light);
    font-size: 0.9rem;
    display: flex;
    align-items: center;
    gap: 8px;
    transition: var(--transition);
}

.facility-card:hover .facility-list li {
    color: rgba(255, 255, 255, 0.9);
}

.facility-list i {
    color: var(--accent-gold);
    font-size: 0.7rem;
}

/* ===== MISSION VISION SECTION ===== */
.mission-vision {
    padding: 60px 0;
    background: linear-gradient(135deg, var(--primary-blue), var(--secondary-blue));
    color: var(--white);
}

.mv-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 40px;
}

.mv-card {
    padding: 40px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 30px;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.mv-icon {
    width: 70px;
    height: 70px;
    background: var(--accent-gold);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 25px;
    font-size: 2rem;
    color: var(--primary-blue);
}

.mv-card h3 {
    font-size: 2rem;
    margin-bottom: 20px;
    color: var(--white);
}

.mv-card p {
    color: rgba(255, 255, 255, 0.9);
    line-height: 1.8;
}

/* ===== TEAM SECTION ===== */
.team {
    padding: 80px 0;
    background: var(--bg-light);
}

.team-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
}

.team-card {
    background: var(--white);
    border-radius: 20px;
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

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

.team-image {
    width: 100%;
    height: 280px;
    overflow: hidden;
    position: relative;
}

.team-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

.team-card:hover .team-image img {
    transform: scale(1.1);
}

.team-info {
    padding: 25px;
    text-align: center;
}

.team-info h3 {
    font-size: 1.2rem;
    color: var(--primary-blue);
    margin-bottom: 5px;
}

.team-position {
    color: var(--accent-gold);
    font-weight: 600;
    font-size: 0.9rem;
    margin-bottom: 10px;
}

.team-detail {
    color: var(--text-light);
    font-size: 0.85rem;
    margin: 5px 0;
}

/* ===== GALLERY/CLIENTS SECTION ===== */
.gallery {
    padding: 80px 0;
    background: var(--white);
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 25px;
}

.gallery-item {
    position: relative;
    border-radius: 15px;
    overflow: hidden;
    height: 200px;
    cursor: pointer;
}

.gallery-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

.gallery-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to top, var(--primary-blue), transparent);
    display: flex;
    align-items: flex-end;
    padding: 20px;
    opacity: 0;
    transition: var(--transition);
}

.gallery-item:hover .gallery-overlay {
    opacity: 1;
}

.gallery-item:hover img {
    transform: scale(1.1);
}

.gallery-overlay h4 {
    color: var(--white);
    font-size: 1.1rem;
    margin-bottom: 5px;
}

.gallery-overlay p {
    color: var(--accent-gold);
    font-size: 0.85rem;
}

/* ===== CLIENT LOGOS ===== */
.client-logos {
    padding: 50px 0;
    background: var(--bg-light);
}

.logo-slider {
    display: flex;
    justify-content: space-around;
    align-items: center;
    flex-wrap: wrap;
    gap: 40px;
}

.client-logo-item {
    filter: grayscale(100%);
    opacity: 0.6;
    transition: var(--transition);
}

.client-logo-item:hover {
    filter: grayscale(0);
    opacity: 1;
}

/* ===== CTA SECTION ===== */
.cta-section {
    padding: 80px 0;
    background: linear-gradient(135deg, var(--primary-blue), var(--secondary-blue));
    color: var(--white);
    text-align: center;
}

.cta-content h2 {
    font-size: 2.5rem;
    margin-bottom: 20px;
}

.cta-content p {
    font-size: 1.1rem;
    margin-bottom: 30px;
    opacity: 0.9;
}

.cta-btn {
    display: inline-block;
    padding: 15px 50px;
    background: var(--accent-gold);
    color: var(--primary-blue);
    text-decoration: none;
    border-radius: 50px;
    font-weight: 600;
    font-size: 1.1rem;
    transition: var(--transition);
}

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

/* ===== FOOTER ===== */
.footer {
    background: var(--primary-blue);
    color: var(--white);
    padding: 70px 0 0;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    margin-bottom: 50px;
}

.footer-logo-text h2 {
    color: var(--white);
    font-size: 2rem;
    font-weight: 800;
    margin-bottom: 5px;
}

.footer-logo-text p {
    color: var(--accent-gold);
    font-size: 0.9rem;
    letter-spacing: 2px;
    margin-bottom: 20px;
}

.footer-widget h4 {
    color: var(--white);
    font-size: 1.2rem;
    margin-bottom: 25px;
    position: relative;
    padding-bottom: 10px;
}

.footer-widget h4::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 40px;
    height: 2px;
    background: var(--accent-gold);
}

.footer-links {
    list-style: none;
}

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

.footer-links a {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: 10px;
}

.footer-links a:hover {
    color: var(--accent-gold);
    padding-left: 5px;
}

.contact-info li {
    display: flex;
    gap: 15px;
    margin-bottom: 20px;
    color: rgba(255, 255, 255, 0.7);
}

.contact-info i {
    color: var(--accent-gold);
    font-size: 1.1rem;
    margin-top: 4px;
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding: 20px 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
}

.developer-credit a {
    color: var(--accent-gold);
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition);
}

.developer-credit a:hover {
    color: var(--white);
}

/* ===== BACK TO TOP ===== */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background: var(--primary-blue);
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    z-index: 999;
    border: 2px solid var(--accent-gold);
}

.back-to-top.show {
    opacity: 1;
    visibility: visible;
}

.back-to-top:hover {
    background: var(--accent-gold);
    color: var(--primary-blue);
    transform: translateY(-5px);
}

/* ===== RESPONSIVE DESIGN ===== */
@media (max-width: 1200px) {
    .services-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .facilities-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .team-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .gallery-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 992px) {
    .nav-toggle {
        display: block;
    }
    
    .nav-menu {
        position: fixed;
        top: 80px;
        left: -100%;
        width: 100%;
        background: var(--white);
        flex-direction: column;
        align-items: center;
        padding: 40px 0;
        box-shadow: var(--shadow);
        transition: var(--transition);
        z-index: 999;
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .hero .container {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .hero-content p {
        margin: 0 auto 30px;
    }
    
    .hero-stats {
        justify-content: center;
    }
    
    .hero-btns {
        justify-content: center;
    }
    
    .about-grid {
        grid-template-columns: 1fr;
    }
    
    .mv-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .services-grid {
        grid-template-columns: 1fr;
    }
    
    .facilities-grid {
        grid-template-columns: 1fr;
    }
    
    .team-grid {
        grid-template-columns: 1fr;
    }
    
    .gallery-grid {
        grid-template-columns: 1fr;
    }
    
    .hero-stats {
        flex-direction: column;
        gap: 20px;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
    }
    
    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }
}