/* ===================================
   CSS Variables - Brand Colors
   =================================== */
:root {
    --primary-blue: #1E5AA8;
    --dark-blue: #0A2C5C;
    --bright-yellow: #FDB913;
    --gold-yellow: #F4B41A;
    --white: #FFFFFF;
    --light-gray: #F5F5F5;
    --medium-gray: #666666;
    --text-dark: #333333;
    
    --nav-height: 80px;
    --transition: all 0.3s ease;
}

/* ===================================
   Reset & Base Styles
   =================================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: var(--text-dark);
    overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.2;
}

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

ul {
    list-style: none;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

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

/* ===================================
   Navigation Bar
   =================================== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: rgba(30, 90, 168, 0.95);
    backdrop-filter: blur(10px);
    height: var(--nav-height);
    z-index: 1000;
    box-shadow: 0 2px 20px rgba(0,0,0,0.1);
    transition: var(--transition);
}

.navbar.scrolled {
    background: var(--dark-blue);
    height: 70px;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 100%;
}

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

.logo-grid {
    display: grid;
    grid-template-columns: repeat(2, 12px);
    grid-template-rows: repeat(2, 12px);
    gap: 3px;
}

.logo-square {
    width: 12px;
    height: 12px;
    background: var(--bright-yellow);
    border-radius: 2px;
}

.logo-text {
    display: flex;
    flex-direction: column;
    line-height: 1;
}

.logo-main {
    font-size: 24px;
    font-weight: 800;
    color: var(--white);
    letter-spacing: 1px;
}

.logo-sub {
    font-size: 18px;
    font-weight: 700;
    color: var(--bright-yellow);
    letter-spacing: 1px;
}

.nav-menu {
    display: flex;
    gap: 40px;
    align-items: center;
}

.nav-link {
    color: var(--white);
    font-weight: 500;
    font-size: 16px;
    padding: 8px 0;
    position: relative;
    transition: var(--transition);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--bright-yellow);
    transition: width 0.3s ease;
}

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

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

.hamburger span {
    width: 25px;
    height: 3px;
    background: var(--white);
    transition: var(--transition);
    border-radius: 2px;
}

.hamburger.active span:nth-child(1) {
    transform: rotate(45deg) translate(7px, 7px);
}

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

.hamburger.active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -7px);
}

/* ===================================
   Modern Hero Section
   =================================== */
.hero {
    position: relative;
    height: 100vh;
    min-height: 700px;
    background: 
        linear-gradient(135deg, rgba(10, 44, 92, 0.9) 0%, rgba(30, 90, 168, 0.85) 50%, rgba(30, 90, 168, 0.7) 100%),
        url('images/iStock-505952531.jpg');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    overflow: hidden;
    margin-top: var(--nav-height);
    display: flex;
    align-items: center;
}

.hero-particles {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(circle at 20% 50%, rgba(253, 185, 19, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(30, 90, 168, 0.2) 0%, transparent 50%);
    animation: particleMove 20s ease-in-out infinite;
}

@keyframes particleMove {
    0%, 100% { transform: translate(0, 0); }
    50% { transform: translate(20px, 20px); }
}

.hero-content {
    position: relative;
    width: 100%;
    z-index: 2;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to bottom, transparent 0%, rgba(10, 44, 92, 0.3) 100%);
}

.hero-text {
    position: relative;
    z-index: 3;
    max-width: 800px;
}

.hero-badge {
    display: inline-block;
    background: rgba(253, 185, 19, 0.2);
    border: 2px solid var(--bright-yellow);
    color: var(--bright-yellow);
    padding: 10px 25px;
    border-radius: 30px;
    font-size: 14px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 25px;
    animation: fadeInDown 1s ease;
}

.hero-title {
    font-size: clamp(42px, 7vw, 72px);
    font-weight: 900;
    color: var(--white);
    line-height: 1.1;
    margin-bottom: 25px;
    animation: fadeInUp 1s ease 0.2s both;
}

.hero-title .highlight {
    color: var(--bright-yellow);
    display: block;
}

.hero-subtitle {
    font-size: clamp(16px, 2vw, 20px);
    color: rgba(255, 255, 255, 0.9);
    line-height: 1.7;
    margin-bottom: 40px;
    max-width: 600px;
    animation: fadeInUp 1s ease 0.4s both;
}

.hero-cta {
    display: flex;
    gap: 20px;
    margin-bottom: 60px;
    flex-wrap: wrap;
    animation: fadeInUp 1s ease 0.6s both;
}

.btn {
    display: inline-block;
    padding: 16px 40px;
    font-size: 16px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    border-radius: 50px;
    transition: var(--transition);
    cursor: pointer;
    border: 2px solid transparent;
}

.btn-primary {
    background: var(--bright-yellow);
    color: var(--dark-blue);
    box-shadow: 0 4px 15px rgba(253, 185, 19, 0.4);
}

.btn-primary:hover {
    background: var(--gold-yellow);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(253, 185, 19, 0.6);
}

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

.btn-secondary:hover {
    background: var(--white);
    color: var(--primary-blue);
    transform: translateY(-2px);
}

.hero-stats {
    display: flex;
    gap: 50px;
    flex-wrap: wrap;
    animation: fadeInUp 1s ease 0.8s both;
}

.stat-item {
    text-align: left;
}

.stat-number {
    font-size: 42px;
    font-weight: 900;
    color: var(--bright-yellow);
    line-height: 1;
    margin-bottom: 8px;
}

.stat-label {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.8);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.scroll-indicator {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    gap: 5px;
    animation: bounce 2s infinite;
}

.scroll-indicator span {
    width: 3px;
    height: 15px;
    background: var(--bright-yellow);
    border-radius: 2px;
}

@keyframes bounce {
    0%, 100% { transform: translateX(-50%) translateY(0); }
    50% { transform: translateX(-50%) translateY(10px); }
}

@keyframes fadeInDown {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ===================================
   Section Headers
   =================================== */
.section-header {
    position: relative;
    margin-bottom: 60px;
    padding-top: 80px;
}

.section-header.centered {
    text-align: center;
}

.section-header.centered .diagonal-accent {
    left: 50%;
    transform: translateX(-50%) skewX(-30deg);
}

.diagonal-accent {
    position: absolute;
    top: 60px;
    left: 0;
    width: 80px;
    height: 6px;
    background: linear-gradient(to right, var(--bright-yellow), var(--gold-yellow));
    transform: skewX(-30deg);
}

.section-header h2 {
    font-size: clamp(32px, 5vw, 48px);
    color: var(--primary-blue);
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 15px;
}

.section-subtitle {
    font-size: 18px;
    color: var(--medium-gray);
    font-weight: 400;
}

/* ===================================
   About Section
   =================================== */
.about {
    padding: 100px 20px;
    background: var(--white);
}

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

.about-content .lead {
    font-size: 20px;
    line-height: 1.8;
    color: var(--primary-blue);
    font-weight: 500;
    margin-bottom: 25px;
}

.about-content p {
    font-size: 17px;
    line-height: 1.8;
    color: var(--medium-gray);
    margin-bottom: 20px;
}

.about-features {
    display: flex;
    flex-direction: column;
    gap: 25px;
}

.feature-card {
    background: var(--light-gray);
    padding: 30px;
    border-radius: 12px;
    border-left: 4px solid var(--bright-yellow);
    transition: var(--transition);
}

.feature-card:hover {
    transform: translateX(10px);
    box-shadow: 0 5px 20px rgba(0,0,0,0.1);
}

.feature-icon {
    font-size: 36px;
    margin-bottom: 15px;
}

.feature-card h3 {
    font-size: 20px;
    color: var(--primary-blue);
    margin-bottom: 10px;
}

.feature-card p {
    font-size: 15px;
    color: var(--medium-gray);
    line-height: 1.6;
}

/* ===================================
   Products Section
   =================================== */
.products {
    padding: 100px 20px;
    background: var(--light-gray);
}

.featured-products {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
    margin-bottom: 80px;
}

.product-card {
    background: var(--white);
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 4px 15px rgba(0,0,0,0.08);
    transition: var(--transition);
}

.product-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 8px 30px rgba(0,0,0,0.15);
}

.product-card-image {
    position: relative;
    height: 250px;
    overflow: hidden;
}

.product-card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

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

.product-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to bottom, transparent 0%, rgba(0,0,0,0.7) 100%);
    display: flex;
    align-items: flex-start;
    justify-content: flex-end;
    padding: 15px;
}

.product-tag {
    background: var(--bright-yellow);
    color: var(--dark-blue);
    padding: 6px 16px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 700;
    text-transform: uppercase;
}

.product-card-content {
    padding: 25px;
}

.product-card-content h3 {
    font-size: 22px;
    color: var(--primary-blue);
    margin-bottom: 12px;
}

.product-card-content p {
    font-size: 15px;
    color: var(--medium-gray);
    line-height: 1.6;
    margin-bottom: 15px;
}

.quick-specs {
    list-style: none;
    padding: 0;
}

.quick-specs li {
    font-size: 14px;
    color: var(--text-dark);
    padding: 6px 0;
    padding-left: 20px;
    position: relative;
}

.quick-specs li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--bright-yellow);
    font-weight: 700;
}

/* Product Category Section */
.product-category {
    background: var(--white);
    padding: 50px;
    border-radius: 12px;
    margin-bottom: 50px;
}

.product-title {
    font-size: clamp(24px, 4vw, 32px);
    color: var(--primary-blue);
    font-weight: 700;
    margin-bottom: 25px;
    padding-bottom: 15px;
    border-bottom: 3px solid var(--bright-yellow);
}

.category-intro {
    margin-bottom: 40px;
}

.category-intro p {
    font-size: 17px;
    line-height: 1.8;
    color: var(--medium-gray);
}

.subsection-title {
    font-size: 20px;
    color: var(--dark-blue);
    font-weight: 600;
    margin: 30px 0 20px;
    text-transform: uppercase;
}

.iso-types {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
}

.iso-card {
    background: var(--light-gray);
    padding: 25px;
    border-radius: 8px;
    border-left: 4px solid var(--bright-yellow);
    transition: var(--transition);
}

.iso-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
}

.iso-card h5 {
    font-size: 18px;
    color: var(--primary-blue);
    margin-bottom: 8px;
    font-weight: 700;
}

.iso-card p {
    font-size: 14px;
    color: var(--medium-gray);
}

/* Additional Products */
.additional-section {
    background: var(--white);
    padding: 50px;
    border-radius: 12px;
}

.additional-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

.additional-item {
    background: var(--light-gray);
    padding: 30px;
    border-radius: 12px;
    text-align: center;
    transition: var(--transition);
}

.additional-item:hover {
    background: var(--white);
    box-shadow: 0 5px 20px rgba(0,0,0,0.1);
    transform: translateY(-5px);
}

.additional-icon {
    font-size: 48px;
    margin-bottom: 20px;
}

.additional-item h4 {
    font-size: 18px;
    color: var(--primary-blue);
    margin-bottom: 12px;
}

.additional-item p {
    font-size: 14px;
    color: var(--medium-gray);
    line-height: 1.6;
}

/* ===================================
   Contact Section
   =================================== */
.contact {
    background: var(--primary-blue);
    color: var(--white);
    padding: 100px 20px;
    position: relative;
    overflow: hidden;
}

.contact::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: url('images/Background_image_last_page.jpg');
    background-size: cover;
    background-position: center;
    opacity: 0.15;
    z-index: 0;
}

.contact-bg-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(10, 44, 92, 0.95) 0%, rgba(30, 90, 168, 0.9) 100%);
    z-index: 1;
}

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

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

.contact-logo {
    display: flex;
    align-items: center;
    gap: 20px;
    margin-bottom: 30px;
}

.logo-grid-large {
    display: grid;
    grid-template-columns: repeat(2, 20px);
    grid-template-rows: repeat(2, 20px);
    gap: 5px;
}

.logo-text-large {
    display: flex;
    flex-direction: column;
    line-height: 1;
}

.logo-text-large .logo-main {
    font-size: 42px;
    font-weight: 800;
    letter-spacing: 2px;
}

.logo-text-large .logo-sub {
    font-size: 32px;
    font-weight: 700;
    letter-spacing: 2px;
}

.contact-info h2 {
    font-size: clamp(28px, 5vw, 36px);
    margin-bottom: 10px;
    font-weight: 800;
}

.cin {
    font-size: 14px;
    margin-bottom: 40px;
    opacity: 0.9;
}

.contact-details {
    display: flex;
    flex-direction: column;
    gap: 25px;
    margin: 40px 0;
}

.contact-block {
    display: flex;
    gap: 20px;
    align-items: flex-start;
}

.contact-icon-large {
    font-size: 28px;
    flex-shrink: 0;
}

.contact-block h4 {
    font-size: 14px;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 5px;
    color: var(--bright-yellow);
}

.contact-block a {
    font-size: 18px;
    transition: var(--transition);
}

.contact-block a:hover {
    color: var(--bright-yellow);
}

.contact-block p {
    font-size: 16px;
    line-height: 1.6;
    margin: 0;
}

.countries-banner {
    margin-top: 50px;
    padding: 0;
}

.countries-hexagon {
    background: linear-gradient(135deg, rgba(253, 185, 19, 0.1) 0%, rgba(30, 90, 168, 0.2) 100%),
                repeating-linear-gradient(60deg, transparent 0px, transparent 24px, rgba(253, 185, 19, 0.1) 24px, rgba(253, 185, 19, 0.1) 26px),
                repeating-linear-gradient(120deg, transparent 0px, transparent 24px, rgba(253, 185, 19, 0.1) 24px, rgba(253, 185, 19, 0.1) 26px),
                repeating-linear-gradient(180deg, transparent 0px, transparent 24px, rgba(253, 185, 19, 0.1) 24px, rgba(253, 185, 19, 0.1) 26px);
    background-color: rgba(30, 90, 168, 0.3);
    border: 2px solid rgba(253, 185, 19, 0.3);
    border-radius: 8px;
    padding: 20px 30px;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.countries-hexagon::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        repeating-linear-gradient(60deg, transparent 0px, transparent 20px, rgba(255,255,255,0.02) 20px, rgba(255,255,255,0.02) 22px),
        repeating-linear-gradient(120deg, transparent 0px, transparent 20px, rgba(255,255,255,0.02) 20px, rgba(255,255,255,0.02) 22px),
        repeating-linear-gradient(180deg, transparent 0px, transparent 20px, rgba(255,255,255,0.02) 20px, rgba(255,255,255,0.02) 22px);
    z-index: 0;
}

.countries-hexagon p {
    font-size: 18px;
    font-weight: 700;
    letter-spacing: 3px;
    color: var(--bright-yellow);
    margin: 0;
    position: relative;
    z-index: 1;
    text-shadow: 0 2px 10px rgba(0,0,0,0.3);
}

/* Contact Form */
.contact-form-wrapper {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    padding: 40px;
    border-radius: 12px;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.contact-form-wrapper h3 {
    font-size: 24px;
    margin-bottom: 25px;
    color: var(--bright-yellow);
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 15px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-radius: 8px;
    background: rgba(255, 255, 255, 0.1);
    color: var(--white);
    font-size: 15px;
    transition: var(--transition);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: rgba(255, 255, 255, 0.6);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--bright-yellow);
    background: rgba(255, 255, 255, 0.15);
}

.form-group select {
    cursor: pointer;
}

.form-group select option {
    background: var(--dark-blue);
    color: var(--white);
}

.btn-full {
    width: 100%;
}

/* ===================================
   Footer
   =================================== */
.footer {
    background: var(--dark-blue);
    color: var(--white);
    text-align: center;
    padding: 25px;
    font-size: 14px;
}

/* ===================================
   Responsive Design - Tablet
   =================================== */
@media (max-width: 968px) {
    .nav-menu {
        position: fixed;
        top: var(--nav-height);
        right: -100%;
        width: 300px;
        height: calc(100vh - var(--nav-height));
        background: var(--dark-blue);
        flex-direction: column;
        padding: 40px 20px;
        gap: 20px;
        transition: right 0.3s ease;
        box-shadow: -5px 0 15px rgba(0,0,0,0.2);
    }
    
    .nav-menu.active {
        right: 0;
    }
    
    .hamburger {
        display: flex;
    }
    
    .about-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .contact-grid {
        grid-template-columns: 1fr;
    }
    
    .featured-products {
        grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    }
}

/* ===================================
   Responsive Design - Mobile
   =================================== */
@media (max-width: 640px) {
    :root {
        --nav-height: 70px;
    }
    
    .hero {
        min-height: 600px;
        background-attachment: scroll;
    }
    
    .hero-stats {
        gap: 30px;
    }
    
    .stat-number {
        font-size: 32px;
    }
    
    .hero-cta {
        flex-direction: column;
        width: 100%;
    }
    
    .btn {
        width: 100%;
        text-align: center;
    }
    
    .section-header {
        padding-top: 60px;
    }
    
    .about,
    .products,
    .contact {
        padding: 60px 20px;
    }
    
    .product-category,
    .additional-section {
        padding: 30px 20px;
    }
    
    .featured-products {
        grid-template-columns: 1fr;
    }
    
    .iso-types {
        grid-template-columns: 1fr;
    }
    
    .additional-grid {
        grid-template-columns: 1fr;
    }
    
    .contact-form-wrapper {
        padding: 25px;
    }
}