:root {
    --primary-dark: #0F1A2B;
    --primary-blue: #1A365D;
    --accent-blue: #2D74DA;
    --accent-orange: #EA580C;
    --accent-teal: #0CA5B0;
    --light-bg: #F8FAFC;
    --white: #FFFFFF;
    --gray-100: #F1F5F9;
    --gray-200: #E2E8F0;
    --gray-600: #475569;
    --gray-800: #1E293B;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Inter', sans-serif;
}

body {
    color: var(--gray-800);
    line-height: 1.7;
    background: var(--white);
    font-weight: 400;
    overflow-x: hidden;
}

.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 16px;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 24px;
    background: var(--accent-blue);
    color: var(--white);
    text-decoration: none;
    border-radius: 8px;
    font-weight: 600;
    font-size: 0.95rem;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    border: none;
    cursor: pointer;
    text-align: center;
    justify-content: center;
}

.btn:hover {
    background: #1e60c4;
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(45, 116, 218, 0.25);
}

.btn-warning {
    background: var(--accent-orange);
}

.btn-warning:hover {
    background: #C2410C;
    box-shadow: 0 8px 25px rgba(234, 88, 12, 0.25);
}

/* Modern Header - Mobile First */
header {
    background: rgba(15, 26, 43, 0.95);
    backdrop-filter: blur(20px);
    color: var(--white);
    padding: 16px 0;
    position: fixed;
    width: 100%;
    z-index: 1000;
    border-bottom: 1px solid rgba(255,255,255,0.1);
}

.header-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
}

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: 8px;
    z-index: 1001;
}

.logo-icon {
    width: 32px;
    height: 32px;
    background: var(--accent-blue);
    border-radius: 6px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.logo span {
    color: var(--accent-blue);
}

/* Mobile Menu */
.menu-toggle {
    display: none;
    flex-direction: column;
    justify-content: space-between;
    width: 24px;
    height: 18px;
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 0;
    z-index: 1001;
}

.menu-toggle span {
    display: block;
    height: 2px;
    width: 100%;
    background-color: var(--white);
    transition: all 0.3s ease;
}

nav ul {
    display: flex;
    list-style: none;
    gap: 24px;
}

nav a {
    color: var(--white);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.9rem;
    transition: color 0.3s;
    position: relative;
    white-space: nowrap;
}

nav a:hover {
    color: var(--accent-blue);
}

nav a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--accent-blue);
    transition: width 0.3s;
}

nav a:hover::after {
    width: 100%;
}

/* Main Hero Section */
.main-hero {
    position: relative;
    background: url(../images/bgmain4.jpg) center center / cover no-repeat;
    color: #fff;
}

.main-hero::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    z-index: 0;
}

.main-hero > * {
    position: relative;
    z-index: 1;
}

.main-hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    max-width: 900px;
    margin: 0 auto;
}

.main-hero h1 {
    font-size: 2.5rem;
    margin-bottom: 20px;
    font-weight: 700;
    line-height: 1.2;
}

.main-hero p {
    font-size: 1.2rem;
    margin-bottom: 32px;
    color: rgba(255,255,255,0.9);
    font-weight: 400;
    line-height: 1.6;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(234, 88, 12, 0.15);
    color: var(--white);
    padding: 8px 20px;
    border-radius: 20px;
    font-weight: 500;
    margin-bottom: 20px;
    border: 1px solid rgba(234, 88, 12, 0.3);
    font-size: 0.9rem;
}

.hero-stats {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
    margin-top: 40px;
}

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

.stat-value {
    font-size: 2rem;
    font-weight: 700;
    color: var(--accent-orange);
    margin-bottom: 8px;
}

.stat-label {
    font-size: 0.9rem;
    color: rgba(255,255,255,0.8);
}

/* Trust Badges */
.trust-badges {
    background: var(--white);
    padding: 40px 0;
    border-bottom: 1px solid var(--gray-200);
}

.badges-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
    align-items: center;
}

.badge-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 15px;
    background: var(--light-bg);
    border-radius: 8px;
    border: 1px solid var(--gray-200);
}

.badge-icon {
    width: 40px;
    height: 40px;
    background: var(--accent-orange);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    color: white;
    font-size: 1.2rem;
}

.badge-text {
    font-weight: 500;
    color: var(--gray-800);
}

/* Cargo Categories Section */
.cargo-categories {
    padding: 80px 0;
    background: var(--light-bg);
}

.section-header {
    margin-bottom: 40px;
    text-align: center;
}

.section-header h2 {
    font-size: 2rem;
    margin-bottom: 16px;
    color: var(--primary-dark);
    font-weight: 700;
    line-height: 1.2;
}

.section-header p {
    font-size: 1rem;
    color: var(--gray-600);
    line-height: 1.6;
    max-width: 700px;
    margin: 0 auto;
}

.categories-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 20px;
}

.category-card {
    background: var(--white);
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 4px 15px rgba(0,0,0,0.06);
    border: 1px solid var(--gray-200);
    transition: all 0.3s ease;
}

.category-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 30px rgba(0,0,0,0.1);
}

.category-header {
    padding: 20px;
    background: var(--primary-blue);
    color: var(--white);
    display: flex;
    align-items: center;
    gap: 12px;
}

.category-icon {
    width: 40px;
    height: 40px;
    background: var(--accent-orange);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    font-size: 1.2rem;
}

.category-header h3 {
    font-size: 1.3rem;
    font-weight: 600;
}

.category-content {
    padding: 20px;
}

.cargo-list {
    display: grid;
    grid-template-columns: 1fr;
    gap: 8px;
}

.cargo-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px 0;
    border-bottom: 1px solid var(--gray-200);
}

.cargo-item:last-child {
    border-bottom: none;
}

.cargo-icon {
    width: 20px;
    height: 20px;
    background: var(--accent-blue);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    font-size: 0.7rem;
    color: white;
}

/* Features Section */
.features {
    padding: 80px 0;
    background: var(--white);
}

.features-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 30px;
}

.feature-card {
    text-align: center;
    padding: 30px 20px;
    border-radius: 12px;
    background: var(--light-bg);
    transition: all 0.3s ease;
    border: 1px solid var(--gray-200);
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0,0,0,0.08);
}

.feature-icon {
    width: 70px;
    height: 70px;
    background: linear-gradient(135deg, var(--accent-blue), var(--accent-teal));
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    color: white;
    font-size: 1.8rem;
}

.feature-card h3 {
    color: var(--primary-dark);
    margin-bottom: 12px;
    font-size: 1.3rem;
    font-weight: 600;
}

.feature-card p {
    color: var(--gray-600);
    line-height: 1.6;
}

/* Process Section */
.process {
    padding: 80px 0;
    background: var(--light-bg);
}

.process-steps {
    display: grid;
    grid-template-columns: 1fr;
    gap: 30px;
    counter-reset: step-counter;
}

.process-step {
    background: var(--white);
    border-radius: 12px;
    padding: 30px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.06);
    position: relative;
    border: 1px solid var(--gray-200);
}

.process-step::before {
    counter-increment: step-counter;
    content: counter(step-counter);
    position: absolute;
    top: -15px;
    left: 30px;
    width: 40px;
    height: 40px;
    background: var(--accent-orange);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1.2rem;
}

.process-step h3 {
    color: var(--primary-dark);
    margin-bottom: 12px;
    font-size: 1.3rem;
    font-weight: 600;
}

.process-step p {
    color: var(--gray-600);
    line-height: 1.6;
}

/* Geography Section */
.geography {
    padding: 80px 0;
    background: var(--white);
}

.map-container {
    background: var(--light-bg);
    border-radius: 12px;
    padding: 30px;
    text-align: center;
    border: 1px solid var(--gray-200);
}

.map-placeholder {
    width: 100%;
    background: linear-gradient(135deg, var(--accent-blue), var(--accent-teal));
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.2rem;
    margin-bottom: 20px;
}

.regions-list {
    display: grid;
    grid-template-columns: 1fr;
    gap: 15px;
    margin-top: 20px;
}

.region-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px;
    background: var(--white);
    border-radius: 8px;
    border: 1px solid var(--gray-200);
}

/* Experience Section */
.experience {
    padding: 80px 0;
    background: var(--light-bg);
}

.timeline {
    display: grid;
    grid-template-columns: 1fr;
    gap: 30px;
}

.timeline-item {
    background: var(--white);
    border-radius: 12px;
    padding: 30px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.06);
    border: 1px solid var(--gray-200);
    text-align: center;
}

.timeline-year {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--accent-orange);
    margin-bottom: 10px;
}

.timeline-event {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--primary-dark);
    margin-bottom: 10px;
}

.timeline-description {
    color: var(--gray-600);
}

/* CTA Section */
.main-cta {
    background: linear-gradient(135deg, var(--primary-blue) 0%, var(--primary-dark) 100%);
    color: var(--white);
    text-align: center;
    padding: 80px 0;
    position: relative;
    overflow: hidden;
}

.main-cta::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1000 1000" opacity="0.03"><circle fill="white" cx="200" cy="200" r="200"/><circle fill="white" cx="700" cy="700" r="300"/></svg>');
}

.main-cta-content {
    position: relative;
    z-index: 2;
    max-width: 700px;
    margin: 0 auto;
}

.main-cta h2 {
    color: var(--white);
    margin-bottom: 16px;
    font-size: 2.2rem;
    line-height: 1.2;
}

.main-cta p {
    font-size: 1.1rem;
    margin-bottom: 24px;
    color: rgba(255,255,255,0.9);
    line-height: 1.5;
}

.cta-buttons {
    display: flex;
    flex-direction: column;
    gap: 12px;
    align-items: center;
}

/* FAQ Section */
.faq {
    padding: 80px 0;
    background: var(--white);
}

.faq-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 16px;
}

.faq-item {
    background: var(--light-bg);
    border-radius: 8px;
    padding: 20px;
    border: 1px solid var(--gray-200);
}

.faq-question {
    font-weight: 600;
    color: var(--primary-dark);
    margin-bottom: 8px;
    font-size: 1.1rem;
}

.faq-answer {
    color: var(--gray-600);
}

/* Footer */
footer {
    background: var(--primary-dark);
    color: var(--white);
    padding: 60px 0 30px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 32px;
    margin-bottom: 40px;
}

.footer-column h3 {
    margin-bottom: 16px;
    color: var(--accent-blue);
    font-size: 1.1rem;
    font-weight: 600;
}

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

.footer-column li {
    margin-bottom: 10px;
}

.footer-column a {
    color: rgba(255,255,255,0.8);
    text-decoration: none;
    transition: color 0.3s;
    font-weight: 400;
    font-size: 0.9rem;
}

.footer-column a:hover {
    color: var(--accent-blue);
}

/* контакт в футере */
footer .contact-item {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 12px;
    color: rgba(255,255,255,0.8);
    font-size: 0.9rem;
}

.copyright {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid rgba(255,255,255,0.1);
    color: rgba(255,255,255,0.6);
    font-size: 0.85rem;
}

/* Tablet Styles */
@media (min-width: 768px) {
    .container {
        padding: 0 24px;
    }

    .main-hero {
        padding: 160px 0 100px;
    }

    .main-hero h1 {
        font-size: 3.2rem;
    }

    .hero-stats {
        grid-template-columns: repeat(4, 1fr);
    }

    .badges-grid {
        grid-template-columns: repeat(4, 1fr);
    }

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

    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .process-steps {
        grid-template-columns: repeat(2, 1fr);
    }

    .regions-list {
        grid-template-columns: repeat(2, 1fr);
    }

    .timeline {
        grid-template-columns: repeat(2, 1fr);
    }

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

    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .cta-buttons {
        flex-direction: row;
        justify-content: center;
    }
}

/* Desktop Styles */
@media (min-width: 1024px) {
    .container {
        padding: 0 32px;
    }

    .menu-toggle {
        display: none;
    }

    nav ul {
        display: flex !important;
    }

    .categories-grid {
        grid-template-columns: repeat(3, 1fr);
    }

    .features-grid {
        grid-template-columns: repeat(4, 1fr);
    }

    .process-steps {
        grid-template-columns: repeat(4, 1fr);
    }

    .regions-list {
        grid-template-columns: repeat(3, 1fr);
    }

    .timeline {
        grid-template-columns: repeat(4, 1fr);
    }

    .footer-grid {
        grid-template-columns: repeat(4, 1fr);
    }

    .main-hero h1 {
        font-size: 3.5rem;
    }
}

/* Mobile Menu Styles */
@media (max-width: 1023px) {
    .menu-toggle {
        display: flex;
    }

    nav ul {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--primary-dark);
        flex-direction: column;
        padding: 20px;
        gap: 16px;
        border-top: 1px solid rgba(255,255,255,0.1);
    }

    nav ul.active {
        display: flex;
    }

    .menu-toggle.active span:nth-child(1) {
        transform: rotate(45deg) translate(6px, 6px);
    }

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

    .menu-toggle.active span:nth-child(3) {
        transform: rotate(-45deg) translate(6px, -6px);
    }
}

/* Extra Small Devices */
@media (max-width: 360px) {
    .container {
        padding: 0 12px;
    }

    .main-hero h1 {
        font-size: 2rem;
    }

    .main-hero p {
        font-size: 1rem;
    }

    .section-header h2 {
        font-size: 1.7rem;
    }

    .category-card,
    .feature-card,
    .process-step,
    .timeline-item,
    .faq-item {
        padding: 20px 16px;
    }

    .btn {
        padding: 12px 20px;
        font-size: 0.9rem;
        width: 100%;
    }

    .hero-stats {
        grid-template-columns: 1fr;
        gap: 16px;
    }

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

/* Floating contacts */
.floating-contacts {
    position: fixed;
    bottom: 30px;
    right: 30px;
    z-index: 1000;
}

.contacts-toggle {
    width: 60px;
    height: 60px;
    background: #25d366;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    box-shadow: 0 4px 20px rgba(0,0,0,0.3);
    animation: pulse 2s infinite;
    transition: transform 0.3s;
}

.contacts-toggle:hover {
    transform: scale(1.1);
}

.contacts-toggle i {
    color: white;
    font-size: 28px;
}

.contacts-list {
    position: absolute;
    bottom: 70px;
    right: 0;
    background: white;
    border-radius: 12px;
    padding: 15px;
    box-shadow: 0 5px 25px rgba(0,0,0,0.15);
    min-width: 250px;
    opacity: 0;
    transform: translateY(10px);
    pointer-events: none;
    transition: all 0.3s;
}

.contacts-list.active {
    opacity: 1;
    transform: translateY(0);
    pointer-events: all;
}

/* контакты во всплывающем блоке */
.floating-contacts .contact-item {
    display: flex;
    align-items: center;
    padding: 12px 15px;
    margin: 5px 0;
    border-radius: 8px;
    cursor: pointer;
    transition: background 0.2s;
    text-decoration: none;
    color: inherit;
}

.floating-contacts .contact-item:hover {
    background: #f5f5f5;
}

.floating-contacts .contact-item i {
    width: 30px;
    font-size: 20px;
    margin-right: 12px;
}

.phone { color: #2c5aa0; }
.telegram { color: #0088cc; }
.whatsapp { color: #25d366; }
.viber { color: #7360f2; }
.request { color: #ff6b00; }

.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.5);
    z-index: 2000;
    align-items: center;
    justify-content: center;
}

.modal.active {
    display: flex;
}

.modal-content {
    background: white;
    padding: 30px;
    border-radius: 12px;
    min-width: 400px;
    max-width: 90%;
}

.form-group {
    margin-bottom: 20px;
}

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

.form-group input {
    width: 100%;
    padding: 12px;
    border: 1px solid #ddd;
    border-radius: 6px;
    box-sizing: border-box;
}

.checkbox {
    display: flex;
    align-items: center;
    font-size: 14px;
}

.checkbox input {
    margin-right: 10px;
}

.submit-btn {
    background: #ff6b00;
    color: white;
    border: none;
    padding: 15px 30px;
    border-radius: 6px;
    cursor: pointer;
    width: 100%;
    font-size: 16px;
}

@keyframes pulse {
    0% { box-shadow: 0 0 0 0 rgba(37, 211, 102, 0.7); }
    70% { box-shadow: 0 0 0 15px rgba(37, 211, 102, 0); }
    100% { box-shadow: 0 0 0 0 rgba(37, 211, 102, 0); }
}

/* Additional Hero Style */
.hero2 {
    background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary-blue) 100%);
    color: var(--white);
    padding: 40px 0 60px;
    position: relative;
    overflow: hidden;
}

.hero2::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1000 1000" opacity="0.03"><polygon fill="white" points="0,1000 1000,0 1000,1000"/></svg>');
}

.hero2-content {
    position: relative;
    z-index: 2;
}

.hero2 h1 {
    font-size: 2.2rem;
    margin-bottom: 16px;
    font-weight: 700;
    line-height: 1.2;
}

.hero2 p {
    font-size: 1.1rem;
    margin-bottom: 32px;
    color: rgba(255,255,255,0.9);
    font-weight: 400;
    line-height: 1.6;
}

.hero2-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(234, 88, 12, 0.15);
    color: var(--white);
    padding: 8px 16px;
    border-radius: 20px;
    font-weight: 500;
    margin-bottom: 20px;
    border: 1px solid rgba(234, 88, 12, 0.3);
    font-size: 0.9rem;
}

.hero2-features {
    display: grid;
    grid-template-columns: 1fr;
    gap: 16px;
    margin-bottom: 32px;
}

.hero2-feature {
    display: flex;
    align-items: center;
    gap: 12px;
    color: rgba(255,255,255,0.9);
    font-size: 0.95rem;
}

.hero2-feature-icon {
    width: 24px;
    height: 24px;
    background: var(--accent-orange);
    border-radius: 6px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    font-size: 0.8rem;
}

/* Additional Sections */
.safety-features {
    background: var(--light-bg);
    padding: 60px 0;
}

.certifications {
    background: var(--white);
    padding: 60px 0;
}

.cert-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 24px;
}

.cert-card {
    background: var(--light-bg);
    border-radius: 12px;
    padding: 24px;
    border: 1px solid var(--gray-200);
    text-align: center;
}

.cert-icon {
    font-size: 3rem;
    margin-bottom: 16px;
    color: var(--accent-orange);
}

.cert-card h3 {
    color: var(--primary-dark);
    margin-bottom: 12px;
    font-size: 1.3rem;
    font-weight: 600;
}

.cert-card p {
    color: var(--gray-600);
    line-height: 1.6;
}

/* Responsive adjustments for new sections */
@media (min-width: 768px) {
    .hero2 {
        padding: 60px 0 80px;
    }

    .hero2 h1 {
        font-size: 2.8rem;
    }

    .hero2-features {
        grid-template-columns: repeat(2, 1fr);
    }

    .cert-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1024px) {
    .hero2 h1 {
        font-size: 3rem;
    }

    .cert-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

@media (max-width: 360px) {
    .hero2 h1 {
        font-size: 1.8rem;
    }

    .hero2 p {
        font-size: 1rem;
    }

    .cert-card {
        padding: 20px 16px;
    }
}

/* Product pages */

/* Breadcrumbs */
.breadcrumbs {
    background: var(--light-bg);
    padding: 100px 0 16px;
    margin-bottom: 0;
}

.breadcrumbs-content {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--gray-600);
    font-size: 0.85rem;
    flex-wrap: wrap;
}

.breadcrumbs a {
    color: var(--accent-blue);
    text-decoration: none;
    transition: color 0.3s;
}

.breadcrumbs a:hover {
    color: var(--primary-blue);
}

.breadcrumbs span {
    color: var(--gray-600);
}

/* Content Sections for Product Pages */
.content-section {
    padding: 60px 0;
}

/* Product Overview */
.product-overview {
    background: var(--white);
}

.overview-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 32px;
}

.overview-content {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.overview-text {
    color: var(--gray-600);
    line-height: 1.7;
}

.overview-features {
    display: grid;
    grid-template-columns: 1fr;
    gap: 16px;
}

.overview-feature {
    display: flex;
    align-items: flex-start;
    gap: 12px;
}

.overview-feature-icon {
    width: 20px;
    height: 20px;
    background: var(--accent-orange);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    margin-top: 2px;
    font-size: 0.7rem;
    color: white;
}

.overview-image {
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 10px 25px rgba(0,0,0,0.1);
}

.overview-image img {
    width: 100%;
  
    object-fit: cover;
}

/* Technical Specifications */
.technical-specs {
    background: var(--light-bg);
}

.specs-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 24px;
}

.specs-card {
    background: var(--white);
    border-radius: 12px;
    padding: 24px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.06);
    border: 1px solid var(--gray-200);
}

.specs-card h3 {
    color: var(--primary-dark);
    margin-bottom: 20px;
    font-size: 1.3rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 10px;
}

.specs-icon {
    width: 32px;
    height: 32px;
    background: var(--accent-orange);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 0.9rem;
}

.specs-list {
    list-style: none;
}

.specs-list li {
    padding: 12px 0;
    border-bottom: 1px solid var(--gray-200);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

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

.spec-name {
    color: var(--gray-800);
    font-weight: 500;
}

.spec-value {
    color: var(--accent-orange);
    font-weight: 600;
}

/* Transportation Requirements */
.requirements-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 24px;
}

.requirement-card {
    background: var(--light-bg);
    border-radius: 12px;
    padding: 24px;
    border: 1px solid var(--gray-200);
    transition: all 0.3s ease;
}

.requirement-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0,0,0,0.08);
}

.requirement-icon {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--accent-orange), #F59E0B);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 16px;
    color: white;
    font-size: 1.3rem;
}

.requirement-card h3 {
    color: var(--primary-dark);
    margin-bottom: 12px;
    font-size: 1.2rem;
    font-weight: 600;
}

.requirement-card ul {
    list-style: none;
    color: var(--gray-600);
}

.requirement-card li {
    padding: 6px 0;
    border-bottom: 1px solid var(--gray-200);
    font-size: 0.95rem;
}

.requirement-card li:last-child {
    border-bottom: none;
}

/* Suitable Tanks */
.suitable-tanks {
    background: var(--light-bg);
}

.tanks-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 24px;
}

.tank-card {
    background: var(--white);
    border-radius: 12px;
    overflow: hidden;
    border: 1px solid var(--gray-200);
    transition: all 0.3s ease;
}

.tank-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 30px rgba(0,0,0,0.1);
}

.tank-image {
    width: 100%;
    height: 200px;
    object-fit: cover;
}

.tank-content {
    padding: 20px;
}

.tank-content h3 {
    color: var(--primary-dark);
    margin-bottom: 10px;
    font-size: 1.2rem;
    font-weight: 600;
}

.tank-content p {
    color: var(--gray-600);
    margin-bottom: 16px;
    font-size: 0.95rem;
    line-height: 1.5;
}

.tank-specs {
    display: flex;
    flex-direction: column;
    gap: 8px;
    margin-top: 16px;
}

.spec {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--gray-600);
    font-size: 0.85rem;
}

/* Applications */
.applications {
    background: var(--white);
}

.applications-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 20px;
}

.application-card {
    background: var(--light-bg);
    border-radius: 10px;
    padding: 20px;
    text-align: center;
    transition: all 0.3s ease;
    border: 1px solid var(--gray-200);
}

.application-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0,0,0,0.1);
}

.application-icon {
    font-size: 2rem;
    margin-bottom: 12px;
    color: var(--accent-orange);
}

.application-card h3 {
    color: var(--primary-dark);
    margin-bottom: 8px;
    font-size: 1.1rem;
    font-weight: 600;
}

.application-card p {
    color: var(--gray-600);
    font-size: 0.9rem;
    line-height: 1.5;
}

/* Page CTA */
.page-cta {
    background: linear-gradient(135deg, var(--primary-blue) 0%, var(--primary-dark) 100%);
    color: var(--white);
    text-align: center;
    padding: 60px 0;
    position: relative;
    overflow: hidden;
}

.page-cta::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1000 1000" opacity="0.03"><circle fill="white" cx="200" cy="200" r="200"/><circle fill="white" cx="700" cy="700" r="300"/></svg>');
}

.page-cta-content {
    position: relative;
    z-index: 2;
    max-width: 700px;
    margin: 0 auto;
}

.page-cta h2 {
    color: var(--white);
    margin-bottom: 16px;
    font-size: 1.8rem;
    line-height: 1.2;
}

.page-cta p {
    font-size: 1.1rem;
    margin-bottom: 24px;
    color: rgba(255,255,255,0.9);
    line-height: 1.5;
}

.page-cta .cta-buttons {
    display: flex;
    flex-direction: column;
    gap: 12px;
    align-items: center;
}

/* Responsive Styles for Product Pages */
@media (min-width: 768px) {
    .content-section {
        padding: 80px 0;
    }

    .section-header h2 {
        font-size: 2.5rem;
    }

    .overview-grid {
        grid-template-columns: 1fr 1fr;
        align-items: center;
    }

    .specs-grid,
    .requirements-grid,
    .applications-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .tanks-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .page-cta .cta-buttons {
        flex-direction: row;
        justify-content: center;
    }
}

@media (min-width: 1024px) {
    .specs-grid,
    .requirements-grid {
        grid-template-columns: repeat(3, 1fr);
    }

    .applications-grid {
        grid-template-columns: repeat(4, 1fr);
    }

    .tanks-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 360px) {
    .section-header h2 {
        font-size: 1.7rem;
    }

    .specs-card,
    .requirement-card,
    .tank-card,
    .application-card {
        padding: 20px 16px;
    }

    .btn {
        padding: 12px 20px;
        font-size: 0.9rem;
        width: 100%;
    }
}