:root {
    --it-navy: #041329;
    --it-lime: #DFFF00;
    --surface: #ffffff;
    --surface-container: #f8f9fa;
    --surface-variant: #e9ecef;
    --outline: #909378;
}

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

body {
    background: var(--surface);
    color: var(--it-navy);
    font-family: 'Inter', sans-serif;
    line-height: 1.5;
}

.container {
    max-width: 1440px;
    margin: 0 auto;
    padding: 0 32px;
}

h1,h2,h3,h4,h5,h6 {
    font-family: 'Space Grotesk', sans-serif;
}

.sharp-edges {
    border-radius: 0;
}

/* HERO */

.hero {
    height: 550px;
    background: var(--it-navy);
    position: relative;
    overflow: hidden;
    display: flex;
    align-items: center;
}

.hero-content {
    position: relative;
    z-index: 10;
    max-width: 700px;
    padding: 0 64px;
}

.hero-title {
    font-size: 64px;
    font-weight: 700;
    color: #fff;
    line-height: 1.1;
}

.hero-title span {
    color: var(--it-lime);
}

.hero-text {
    color: rgba(255,255,255,.65);
    font-size: 18px;
    margin-top: 24px;
}

.btn-primary {
    background: var(--it-lime);
    color: var(--it-navy);
    border: none;
    padding: 16px 40px;
    font-weight: 700;
    cursor: pointer;
    text-transform: uppercase;
}

.btn-primary:hover {
    background: white;
}

/* SECTIONS */

.section {
    margin-bottom: 80px;
}

.section-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    margin-bottom: 40px;
    border-bottom: 1px solid rgba(4,19,41,.1);
    padding-bottom: 16px;
}

.section-title {
    font-size: 36px;
    font-weight: 700;
    text-transform: uppercase;
    color: var(--it-navy);
}

/* PRODUCTS */

.products-grid {
    display: grid;
    grid-template-columns: repeat(4,1fr);
    gap: 24px;
}

.products-grid.large {
    grid-template-columns: repeat(3,1fr);
    gap: 32px;
}

.product-card {
    background: white;
    border: 1px solid rgba(4,19,41,.05);
    padding: 24px;
    transition: .3s;
}

.product-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 20px 40px rgba(0,0,0,.08);
}

.product-image {
    height: 220px;
    background: #f5f5f5;
    display: flex;
    justify-content: center;
    align-items: center;
    overflow: hidden;
}

.product-image img {
    max-width: 80%;
    max-height: 80%;
    transition: .5s;
}

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

.product-title {
    font-size: 18px;
    font-weight: 700;
    margin: 20px 0 10px;
}

.product-description {
    color: rgba(4,19,41,.6);
    font-size: 13px;
}

.product-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 24px;
}

.product-price {
    font-size: 24px;
    font-weight: 800;
}

.buy-btn {
    background: var(--it-lime);
    border: none;
    padding: 10px 16px;
    font-weight: 700;
    cursor: pointer;
}

/* NEWSLETTER */

.newsletter {
    background: var(--it-navy);
    color: white;
    padding: 80px;
}

.newsletter h2 {
    font-size: 42px;
    margin-bottom: 24px;
}

.newsletter h2 span {
    color: var(--it-lime);
}

.newsletter input {
    padding: 16px 24px;
    border: 1px solid rgba(255,255,255,.1);
    background: rgba(255,255,255,.05);
    color: white;
    width: 100%;
}

/* FOOTER */

footer {
    background: var(--it-navy);
    color: white;
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(4,1fr);
    gap: 48px;
    padding: 80px 48px;
}

.footer-title {
    color: var(--it-lime);
    text-transform: uppercase;
    font-size: 12px;
    margin-bottom: 20px;
}

.footer-links {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.footer-links a {
    color: rgba(255,255,255,.5);
    text-decoration: none;
}

.footer-links a:hover {
    color: var(--it-lime);
}

@media (max-width: 1024px) {
    .products-grid,
    .products-grid.large {
        grid-template-columns: repeat(2,1fr);
    }

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

@media (max-width: 768px) {
    .products-grid,
    .products-grid.large,
    .footer-grid {
        grid-template-columns: 1fr;
    }

    .hero-title {
        font-size: 42px;
    }
}