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

html {
    scroll-behavior: smooth;
}

body {
    font-family: Arial, Helvetica, sans-serif;
    color: #102747;
    background-color: #ffffff;
}

/* Navigation Bar */
.site-header {
    min-height: 88px;
    padding: 0 7.5%;
    background-color: #1d3046;

    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
}

.logo {
    color: #ffffff;
    font-size: 42px;
    font-weight: 800;
    letter-spacing: -1.5px;
    text-decoration: none;
}

.logo span {
    color: #ffa51f;
}

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

.navigation a {
    color: #ffffff;
    font-size: 16px;
    font-weight: bold;
    text-decoration: none;
    padding: 12px 4px 10px;
    border-bottom: 3px solid transparent;
}

.navigation a:hover,
.navigation a.active {
    color: #ffa51f;
    border-bottom-color: #ffa51f;
}

/* Hero Section */
.hero {
    min-height: 397px;
    padding: 55px 7.5%;

    display: flex;
    align-items: center;

    background-color: #e8f0f8;

    background-image:
        linear-gradient(
            90deg,
            rgba(235, 243, 251, 0.98) 0%,
            rgba(235, 243, 251, 0.92) 38%,
            rgba(235, 243, 251, 0.05) 66%
        ),
        url("images/building-materials-hero.jpg");

    background-position: center;
    background-size: cover;
}

.hero-content {
    max-width: 620px;
}

.hero h1 {
    color: #102747;
    font-size: 44px;
    line-height: 1.28;
    letter-spacing: -1px;
    margin-bottom: 14px;
}

.hero p {
    color: #607b9a;
    font-size: 22px;
    line-height: 1.5;
    margin-bottom: 24px;
}

/* Explore Products Button */
.button {
    display: inline-flex;
    align-items: center;
    gap: 18px;

    padding: 15px 27px;

    color: #102747;
    background-color: #ffa51f;

    border-radius: 14px;
    text-decoration: none;
    font-size: 16px;
    font-weight: bold;
}

.button:hover {
    background-color: #f39308;
}

.button span {
    font-size: 25px;
}

/* Products Section */
.products-section {
    padding: 34px 7.5% 38px;
    text-align: center;
}

.products-section h2 {
    color: #102747;
    font-size: 40px;
    margin-bottom: 12px;
}

.title-underline {
    width: 62px;
    height: 4px;
    margin: 0 auto 32px;
    background-color: #ffa51f;
}

/* Product Cards Layout */
.product-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 24px;
}

.product-card {
    min-width: 0;
    padding: 19px 20px 22px;

    background-color: #f0f4fa;
    border-radius: 10px;

    text-align: center;
}

.product-card img {
    display: block;
    width: 100%;
    height: 155px;

    object-fit: cover;
    border-radius: 3px;
    margin-bottom: 15px;
}

.product-card h3 {
    color: #c67a08;
    font-size: 23px;
    margin-bottom: 8px;
}

.product-card p {
    color: #172b45;
    font-size: 16px;
    line-height: 1.55;
}

/* About Section */
.about-section {
    padding: 50px 7.5%;
    text-align: center;
    background-color: #f0f4fa;
}

.about-section h2 {
    font-size: 30px;
    margin-bottom: 15px;
}

.about-section p {
    max-width: 650px;
    margin: 0 auto;
    font-size: 17px;
    line-height: 1.7;
}

/* Footer */
footer {
    min-height: 72px;
    display: flex;
    align-items: center;
    justify-content: center;

    padding: 20px;

    color: #ffffff;
    background-color: #1d3046;

    text-align: center;
    font-size: 16px;
}

/* Tablet Screens */
@media (max-width: 900px) {

    .site-header {
        padding: 18px 5%;
        flex-wrap: wrap;
    }

    .navigation {
        gap: 20px;
        flex-wrap: wrap;
    }

    .hero {
        padding: 45px 5%;
        background-position: center;
    }

    .hero h1 {
        font-size: 36px;
    }

    .hero-content {
        max-width: 65%;
    }

    .product-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

/* Mobile Screens */
@media (max-width: 560px) {

    .site-header {
        justify-content: center;
        text-align: center;
    }

    .logo {
        font-size: 34px;
    }

    .navigation {
        justify-content: center;
        gap: 12px 20px;
    }

    .navigation a {
        font-size: 14px;
    }

    .hero {
        min-height: 380px;
        padding: 35px 5%;

        background-image:
            linear-gradient(
                rgba(235, 243, 251, 0.90),
                rgba(235, 243, 251, 0.90)
            ),
            url("images/building-materials-hero.jpg");
    }

    .hero-content {
        max-width: 100%;
    }

    .hero h1 {
        font-size: 31px;
    }

    .hero p {
        font-size: 17px;
    }

    .products-section {
        padding: 30px 5%;
    }

    .products-section h2 {
        font-size: 32px;
    }

    .product-grid {
        grid-template-columns: 1fr;
        gap: 18px;
    }

    .product-card img {
        height: 200px;
    }

    .product-card p {
        font-size: 15px;
    }
}




/* Contact Section */
.contact-section {
    padding: 50px 7.5%;
    text-align: center;
    background-color: #ffffff;
}

.contact-section h2 {
    font-size: 35px;
    color: #102747;
    margin-bottom: 15px;
}

.contact-section > p {
    font-size: 17px;
    color: #607b9a;
    margin-bottom: 30px;
}

.contact-details {
    display: flex;
    justify-content: center;
    gap: 30px;
    flex-wrap: wrap;
    margin-bottom: 30px;
}

.contact-item {
    background-color: #f0f4fa;
    padding: 25px;
    border-radius: 10px;
    width: 280px;
}

.contact-item h3 {
    color: #c67a08;
    margin-bottom: 12px;
}

.contact-item p {
    color: #102747;
    line-height: 1.6;
}

.contact-button {
    display: inline-block;
    padding: 14px 25px;
    background-color: #25D366;
    color: white;
    text-decoration: none;
    font-weight: bold;
    border-radius: 6px;
}

.contact-button:hover {
    background-color: #1da851;
}