/* --- RESET & VARIABLES --- */
:root {
    --primary-color: #d4af37; /* Gold Premium */
    --dark-bg: #0f172a; /* Dark Slate */
    --darker-bg: #020617;
    --text-light: #f8fafc;
    --text-gray: #94a3b8;
    --transition: all 0.3s ease;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Poppins', sans-serif;
    line-height: 1.6;
    color: var(--text-light);
    background-color: var(--dark-bg);
}

a {
    text-decoration: none;
    color: inherit;
}

ul {
    list-style: none;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* --- HEADER --- */
header {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(15, 23, 42, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: 0 2px 10px rgba(0,0,0,0.3);
    z-index: 1000;
    padding: 15px 0;
}

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

.logo h1 {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--primary-color);
    letter-spacing: 1px;
    text-transform: uppercase;
}

.nav-links {
    display: flex;
    gap: 30px;
    align-items: center;
}

.nav-links a {
    font-weight: 500;
    font-size: 0.9rem;
    transition: var(--transition);
}

.nav-links a:hover {
    color: var(--primary-color);
}

.btn-nav {
    background-color: var(--primary-color);
    color: var(--darker-bg) !important;
    padding: 10px 25px;
    border-radius: 5px;
    font-weight: 600;
}

.btn-nav:hover {
    background-color: #b5952f;
}

.hamburger {
    display: none;
    cursor: pointer;
    font-size: 1.5rem;
}

/* --- HERO SECTION --- */
.hero {
    height: 100vh;
    background: url('../images/epoxy-flooring.jpg') no-repeat center center/cover;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(rgba(2, 6, 23, 0.8), rgba(2, 6, 23, 0.7));
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 800px;
    padding: 0 20px;
}

.hero-content h2 {
    font-size: 3.5rem;
    margin-bottom: 20px;
    line-height: 1.2;
}

.hero-content p {
    font-size: 1.2rem;
    color: #cbd5e1;
    margin-bottom: 40px;
}

.hero-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
}

.btn {
    padding: 15px 30px;
    border-radius: 5px;
    font-weight: 600;
    transition: var(--transition);
}

.btn-primary {
    background-color: var(--primary-color);
    color: var(--darker-bg);
}

.btn-primary:hover {
    background-color: #fff;
}

.btn-secondary {
    border: 2px solid var(--primary-color);
    color: var(--primary-color);
}

.btn-secondary:hover {
    background-color: var(--primary-color);
    color: var(--darker-bg);
}

/* --- SECTIONS GENERAL --- */
.section {
    padding: 80px 0;
}

.bg-dark {
    background-color: var(--darker-bg);
}

.section-title {
    text-align: center;
    margin-bottom: 60px;
}

.section-title h3 {
    font-size: 2.5rem;
    color: var(--text-light);
}

.section-title .line {
    width: 60px;
    height: 4px;
    background-color: var(--primary-color);
    margin: 15px auto;
}

.section-title p {
    color: var(--text-gray);
}

/* --- ABOUT --- */
.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: center;
}

.about-text h4 {
    font-size: 1.8rem;
    color: var(--primary-color);
    margin-bottom: 20px;
}

.about-text p {
    color: #cbd5e1;
    margin-bottom: 20px;
}

.features-list li {
    margin-bottom: 10px;
    color: #cbd5e1;
}

.features-list i {
    color: var(--primary-color);
    margin-right: 10px;
}

.about-image img {
    width: 100%;
    border-radius: 10px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.5);
}

/* --- SERVICES --- */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

.service-card {
    background-color: #1e293b;
    padding: 40px 30px;
    border-radius: 10px;
    text-align: center;
    transition: var(--transition);
    border: 1px solid transparent;
}

.service-card:hover {
    transform: translateY(-10px);
    border-color: var(--primary-color);
    box-shadow: 0 10px 30px rgba(212, 175, 55, 0.1);
}

.service-card i {
    font-size: 3rem;
    color: var(--primary-color);
    margin-bottom: 25px;
}

.service-card h3 {
    font-size: 1.3rem;
    margin-bottom: 15px;
}

.service-card p {
    color: var(--text-gray);
    font-size: 0.9rem;
}

/* --- CONTACT --- */
.contact-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    height: 500px;
}

.contact-info {
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 30px;
}

.info-item {
    display: flex;
    align-items: flex-start;
    gap: 20px;
}

.info-item i {
    font-size: 1.5rem;
    color: var(--primary-color);
    margin-top: 5px;
}

.info-item h4 {
    font-size: 1.2rem;
    margin-bottom: 5px;
}

.info-item p {
    color: var(--text-gray);
}

.contact-map {
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0,0,0,0.3);
}

/* --- FOOTER --- */
footer {
    background-color: #000;
    padding: 50px 0 20px;
    text-align: center;
    border-top: 1px solid #1e293b;
}

.footer-logo h2 {
    font-size: 1.5rem;
    color: var(--primary-color);
    margin-bottom: 10px;
}

.footer-bottom {
    margin-top: 40px;
    font-size: 0.8rem;
    color: #64748b;
}

/* --- WHATSAPP FLOAT --- */
.whatsapp-float {
    position: fixed;
    width: 60px;
    height: 60px;
    bottom: 40px;
    right: 40px;
    background-color: #25d366;
    color: #FFF;
    border-radius: 50px;
    text-align: center;
    font-size: 30px;
    box-shadow: 2px 2px 3px #999;
    z-index: 100;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

.whatsapp-float:hover {
    background-color: #1ebc57;
    transform: scale(1.1);
}

/* --- RESPONSIVE --- */
@media (max-width: 768px) {
    .nav-links {
        position: absolute;
        right: 0;
        top: 70px;
        background-color: var(--darker-bg);
        flex-direction: column;
        width: 100%;
        padding: 20px 0;
        transform: translateX(100%);
        transition: var(--transition);
    }

    .nav-links.active {
        transform: translateX(0);
    }

    .hamburger {
        display: block;
    }

    .hero-content h2 {
        font-size: 2.5rem;
    }

    .about-content, .contact-container {
        grid-template-columns: 1fr;
        height: auto;
    }
    
    .contact-map {
        height: 300px;
    }
}