/* Color Palette — derived from logo */
:root {
    --color-light: #EAF4FB;
    --color-light-blue: #29ABE2;
    --color-medium-blue: #1B3A6B;
    --color-dark-blue: #132952;
    --color-very-dark: #0C1E3E;
    --color-silver: #A0A8B0;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
}

/* 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(--color-dark-blue);
    background-color: #ffffff;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

/* Header & Navigation */
.header {
    background-color: var(--color-very-dark);
    color: var(--color-light);
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
}

.navbar {
    padding: var(--spacing-lg) 0;
}

.nav-wrapper {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo-img {
    height: 52px;
    width: auto;
    display: block;
}

.logo a {
    text-decoration: none;
    display: flex;
    align-items: center;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: var(--spacing-2xl);
}

.nav-link {
    color: var(--color-light);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s ease;
    position: relative;
}

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

.nav-link::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    bottom: -5px;
    left: 0;
    background-color: var(--color-light-blue);
    transition: width 0.3s ease;
}

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

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

.hamburger span {
    width: 25px;
    height: 3px;
    background-color: var(--color-light);
    margin: 5px 0;
    transition: 0.3s;
}

/* Hero Section */
.hero {
    background:
        linear-gradient(135deg, rgb(0 0 0) 0%, rgb(27 58 107 / 91%) 100%), url(../images/cold-warehouse.webp) center / cover no-repeat;
    color: var(--color-light);
    padding: 5rem var(--spacing-lg);
    text-align: center;
    min-height: 600px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.hero-content {
    max-width: 800px;
    animation: fadeInUp 0.8s ease-out;
}

.hero h2 {
    font-size: 3rem;
    margin-bottom: var(--spacing-lg);
    line-height: 1.2;
}

.hero p {
    font-size: 1.3rem;
    margin-bottom: var(--spacing-2xl);
    color: var(--color-light-blue);
}

.btn {
    display: inline-block;
    padding: var(--spacing-md) var(--spacing-2xl);
    background-color: var(--color-medium-blue);
    color: var(--color-light);
    text-decoration: none;
    border-radius: 5px;
    font-weight: 600;
    transition: all 0.3s ease;
    border: 2px solid var(--color-medium-blue);
    cursor: pointer;
    font-size: 1rem;
}

.btn:hover {
    background-color: var(--color-light-blue);
    border-color: var(--color-light-blue);
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(41, 171, 226, 0.35);
}

.btn-secondary {
    background-color: transparent;
    color: var(--color-medium-blue);
    border-color: var(--color-medium-blue);
}

.btn-secondary:hover {
    background-color: var(--color-medium-blue);
    color: var(--color-light);
}

/* Sections */
section {
    padding: 4rem var(--spacing-lg);
}

.section-title {
    font-size: 2.5rem;
    color: var(--color-very-dark);
    margin-bottom: 2rem;
    text-align: center;
    position: relative;
    display: inline-block;
    width: 100%;
}

.section-title::after {
    content: '';
    width: 60px;
    height: 4px;
    background-color: var(--color-medium-blue);
    position: absolute;
    bottom: -15px;
    left: 50%;
    transform: translateX(-50%);
}

.intro-section {
    background-color: var(--color-light);
    padding: 3rem var(--spacing-lg);
}

.intro-section p {
    font-size: 1.1rem;
    line-height: 1.8;
    margin-bottom: 1.5rem;
    color: var(--color-dark-blue);
}

.intro-section p:first-of-type {
    font-weight: 600;
    color: var(--color-medium-blue);
    font-size: 1.2rem;
}

/* Card Grid */
.card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.card {
    background-color: #fff;
    border-left: 5px solid var(--color-medium-blue);
    padding: 2rem;
    border-radius: 5px;
    box-shadow: 0 2px 10px rgba(13, 27, 42, 0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 5px 20px rgba(13, 27, 42, 0.15);
}

.card h3 {
    color: var(--color-very-dark);
    margin-bottom: 1rem;
    font-size: 1.3rem;
}

.card p {
    color: var(--color-dark-blue);
    line-height: 1.7;
}

.card ul {
    margin-left: 1.5rem;
    margin-top: 1rem;
}

.card li {
    margin-bottom: 0.5rem;
    color: var(--color-dark-blue);
}

/* Offer Card with Image */
.offer-card {
    padding: 0;
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

.offer-card .card-img {
    width: 100%;
    height: 180px;
    object-fit: cover;
    display: block;
}

.offer-card .card-body {
    padding: 1.5rem 2rem 2rem;
    flex: 1;
}

.offer-card .card-body h3 {
    color: var(--color-very-dark);
    margin-bottom: 0.75rem;
    font-size: 1.3rem;
}

.offer-card .card-body p {
    color: var(--color-dark-blue);
    line-height: 1.7;
}

/* Sector Card Styling */
.sector-card {
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.icon-container {
    width: 140px;
    height: 140px;
    margin: 0 auto 2rem;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--color-light-blue) 0%, var(--color-medium-blue) 100%);
    border-radius: 20px;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(41, 171, 226, 0.25);
}

.sector-card:hover .icon-container {
    transform: scale(1.15) rotate(-5deg);
    box-shadow: 0 8px 25px rgba(41, 171, 226, 0.4);
}

.sector-icon {
    width: 80px;
    height: 80px;
    color: var(--color-light);
    stroke-linecap: round;
    stroke-linejoin: round;
}

/* Two Column Layout */
.two-column {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: center;
    margin: 3rem 0;
}

.two-column img {
    width: 100%;
    height: auto;
    border-radius: 5px;
}

/* Form Styles */
.form-group {
    margin-bottom: 1.5rem;
}

label {
    display: block;
    margin-bottom: 0.5rem;
    color: var(--color-very-dark);
    font-weight: 600;
}

input[type="text"],
input[type="email"],
input[type="tel"],
select,
textarea {
    width: 100%;
    padding: 0.75rem;
    border: 2px solid var(--color-light-blue);
    border-radius: 5px;
    font-family: inherit;
    font-size: 1rem;
    transition: border-color 0.3s ease;
}

input[type="text"]:focus,
input[type="email"]:focus,
input[type="tel"]:focus,
select:focus,
textarea:focus {
    outline: none;
    border-color: var(--color-medium-blue);
    box-shadow: 0 0 5px rgba(65, 90, 119, 0.3);
}

textarea {
    resize: vertical;
    min-height: 120px;
}

.required {
    color: #e74c3c;
}

/* Footer */
.footer-logo {
    height: 44px;
    width: auto;
    display: block;
    margin-bottom: 1rem;
    filter: brightness(0) invert(1);
}

.footer {
    background-color: var(--color-very-dark);
    color: var(--color-light);
    padding: 3rem var(--spacing-lg) 1rem;
    margin-top: 3rem;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-section h3,
.footer-section h4 {
    color: var(--color-light-blue);
    margin-bottom: 1rem;
}

.footer-section p {
    line-height: 1.8;
    margin-bottom: 0.5rem;
}

.footer-section a {
    color: var(--color-light);
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-section a:hover {
    color: var(--color-light-blue);
}

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

.footer-section ul li {
    margin-bottom: 0.5rem;
}

.footer-bottom {
    text-align: center;
    padding-top: 1.5rem;
    border-top: 1px solid var(--color-dark-blue);
    color: var(--color-light-blue);
}

/* About Section Specific */
.about-intro {
    background-color: var(--color-light);
    padding: 3rem var(--spacing-lg);
}

.capabilities-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin: 3rem 0;
}

.capability-item {
    padding: 2rem;
    background-color: #fff;
    border-radius: 5px;
    border-top: 4px solid var(--color-medium-blue);
    box-shadow: 0 2px 10px rgba(13, 27, 42, 0.1);
}

.capability-item h3 {
    color: var(--color-very-dark);
    margin-bottom: 1rem;
}

/* Product Page Specific */
.product-item {
    background-color: var(--color-light);
    padding: 2.5rem;
    margin-bottom: 2rem;
    border-left: 5px solid var(--color-medium-blue);
    border-radius: 5px;
}

.product-item.product-with-image {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2.5rem;
    align-items: center;
}

.product-image {
    flex-shrink: 0;
}

.product-image img {
    width: 100%;
    height: auto;
    border-radius: 5px;
    box-shadow: 0 4px 12px rgba(13, 27, 42, 0.15);
    display: block;
}

.product-content {
    flex: 1;
}

.product-item h3 {
    color: var(--color-very-dark);
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

.product-item p {
    color: var(--color-dark-blue);
    margin-bottom: 1rem;
    line-height: 1.8;
}

.product-item ul {
    margin-left: 1.5rem;
    color: var(--color-dark-blue);
}

.product-item li {
    margin-bottom: 0.5rem;
}

/* Contact Form */
.contact-form {
    max-width: 700px;
    margin: 3rem auto;
    background-color: var(--color-light);
    padding: 2.5rem;
    border-radius: 5px;
    box-shadow: 0 2px 10px rgba(13, 27, 42, 0.1);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
}

.form-row.full {
    grid-template-columns: 1fr;
}

/* FAQ Section */
.faq-section {
    max-width: 800px;
    margin: 3rem auto;
}

.faq-item {
    margin-bottom: 2rem;
    padding: 1.5rem;
    background-color: var(--color-light);
    border-radius: 5px;
    border-left: 4px solid var(--color-medium-blue);
}

.faq-question {
    font-weight: 600;
    color: var(--color-very-dark);
    font-size: 1.1rem;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.faq-question::after {
    content: '▼';
    font-size: 0.8rem;
    transition: transform 0.3s ease;
}

.faq-item.active .faq-question::after {
    transform: rotate(180deg);
}

.faq-answer {
    display: none;
    margin-top: 1rem;
    color: var(--color-dark-blue);
    line-height: 1.8;
}

.faq-item.active .faq-answer {
    display: block;
}

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

/* Responsive Design */
@media (max-width: 768px) {
    .hamburger {
        display: flex;
    }

    .nav-menu {
        position: absolute;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background-color: var(--color-very-dark);
        width: 100%;
        text-align: center;
        transition: 0.3s;
        box-shadow: 0 10px 27px rgba(0, 0, 0, 0.05);
        padding: 2rem 0;
        gap: 0;
    }

    .nav-menu.active {
        left: 0;
    }

    .nav-link {
        display: block;
        padding: 1rem 0;
    }

    .hero h2 {
        font-size: 2rem;
    }

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

    section {
        padding: 2.5rem var(--spacing-lg);
    }

    .two-column {
        grid-template-columns: 1fr;
    }

    .form-row {
        grid-template-columns: 1fr;
    }

    .product-item.product-with-image {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

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

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

    .section-title {
        font-size: 2rem;
    }

    .hero {
        min-height: 400px;
        padding: 3rem var(--spacing-lg);
    }
}

@media (max-width: 480px) {
    .logo h1 {
        font-size: 1.3rem;
    }

    .hero h2 {
        font-size: 1.5rem;
    }

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

    .btn {
        display: block;
        margin-bottom: var(--spacing-md);
    }

    section {
        padding: 1.5rem var(--spacing-md);
    }

    .container {
        padding: 0 var(--spacing-md);
    }

    .hero {
        min-height: 300px;
        padding: 2rem var(--spacing-md);
    }
}