khy-website/style.css

/* --- Global Styles & Variables --- */
:root {
    --primary-color: #333333; /* Dark Charcoal */
    --secondary-color: #6c757d; /* Muted Grey */
    --background-light: #f4f4f4; /* Light Grey */
    --background-dark: #e9e8e6; /* From your doc, a warmer light grey */
    --text-light: #ffffff;
    --font-family: 'Poppins', sans-serif;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family);
    line-height: 1.6;
    color: var(--primary-color);
    background-color: var(--background-light);
}

.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 2rem;
}

h1, h2, h3, h4 {
    line-height: 1.2;
    margin-bottom: 1rem;
    font-weight: 700;
}

h2 {
    font-size: 2.5rem;
    text-align: center;
    margin-bottom: 2rem;
    text-transform: uppercase;
    letter-spacing: 2px;
}

p {
    margin-bottom: 1rem;
}

a {
    text-decoration: none;
    color: var(--primary-color);
}

.intro-text {
    max-width: 800px;
    margin: 0 auto 2rem auto;
    text-align: center;
    font-size: 1.1rem;
    color: var(--secondary-color);
}

/* --- Header & Navigation --- */
header {
    background-color: rgba(255, 255, 255, 0.9);
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
    backdrop-filter: blur(5px);
}

header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 1rem;
    padding-bottom: 1rem;
}

.logo {
    font-size: 1.8rem;
    font-weight: 300;
    letter-spacing: 2px;
}

header nav ul {
    list-style: none;
    display: flex;
    gap: 1.5rem;
}

header nav a {
    font-weight: 500;
    transition: color 0.3s ease;
}

header nav a:hover {
    color: var(--secondary-color);
}


/* --- Hero Section --- */
.hero {
    height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    text-align: center;
    color: var(--text-light);
    /* IMPORTANT: Replace with your hero image */
    background: linear-gradient(rgba(0,0,0,0.6), rgba(0,0,0,0.6)), url('images/hero-background.jpg') no-repeat center center/cover;
}

.hero-content {
    max-width: 800px;
}

.hero h1 {
    font-size: 3.5rem;
    font-weight: 700;
}

.hero p {
    font-size: 1.2rem;
    font-weight: 300;
    margin-bottom: 2rem;
}

.cta-button {
    display: inline-block;
    padding: 0.8rem 2rem;
    background-color: var(--text-light);
    color: var(--primary-color);
    border: 2px solid var(--text-light);
    border-radius: 5px;
    font-weight: 700;
    transition: all 0.3s ease;
}

.cta-button:hover {
    background-color: transparent;
    color: var(--text-light);
}

/* --- Content Sections --- */
.content-section {
    padding: 6rem 0;
}

.content-section-dark {
    padding: 6rem 0;
    background-color: var(--background-dark);
}

/* About Section Grids */
.about-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
    margin: 3rem 0;
}

.about-card {
    background: #fff;
    padding: 2rem;
    border-radius: 5px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.05);
}

.values-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
    margin-top: 2rem;
}

.value-item {
    font-size: 0.95rem;
    color: var(--secondary-color);
}
.value-item strong {
    color: var(--primary-color);
    font-weight: 700;
}


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

.product-card {
    background-color: #fff;
    border-radius: 5px;
    overflow: hidden;
    text-align: center;
    box-shadow: 0 5px 15px rgba(0,0,0,0.08);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.product-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 20px rgba(0,0,0,0.12);
}

.product-card img {
    width: 100%;
    height: 220px;
    object-fit: cover;
}

.product-card h4 {
    padding: 1.5rem;
    margin: 0;
    font-weight: 500;
}

/* --- Logo Grids (Partners & Clients) --- */
.logo-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 2rem;
    align-items: center;
    justify-items: center;
    margin-top: 3rem;
}

.logo-grid img {
    max-width: 150px;
    filter: grayscale(100%);
    opacity: 0.7;
    transition: all 0.3s ease;
}

.logo-grid img:hover {
    filter: grayscale(0%);
    opacity: 1;
}

/* --- Contact Section --- */
.contact-details {
    text-align: center;
    font-size: 1.2rem;
    margin-top: 2rem;
}
.contact-details a {
    font-weight: 700;
}
.contact-details a:hover {
    text-decoration: underline;
}

/* --- Footer --- */
footer {
    background-color: var(--primary-color);
    color: var(--background-dark);
    text-align: center;
    padding: 2rem 0;
}

footer p {
    margin: 0;
    font-size: 0.9rem;
}
footer p:first-child {
    margin-bottom: 0.5rem;
}

/* --- Responsive Design --- */
@media(max-width: 768px) {
    h2 {
        font-size: 2rem;
    }

    .hero h1 {
        font-size: 2.5rem;
    }

    header .container {
        flex-direction: column;
        gap: 0.5rem;
    }
    
    .about-grid, .values-grid {
        grid-template-columns: 1fr;
    }

    .content-section, .content-section-dark {
        padding: 4rem 0;
    }
}