:root {
    --primary-color: #ff6600;
    /* Vibrant Orange */
    --secondary-color: #1a1a1a;
    /* Dark Grey/Black */
    --accent-color: #ffffff;
    --text-color: #333333;
    --text-light: #f4f4f4;
    --bg-light: #ffffff;
    --bg-dark: #0f0f0f;
    --transition: all 0.3s ease;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    background-color: var(--bg-light);
    overflow-x: hidden;
}

h1,
h2,
h3,
h4 {
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
}

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

ul {
    list-style: none;
}

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

/* Header & Navigation */
header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    padding: 20px 0;
    transition: var(--transition);
}

header.scrolled {
    background: rgba(15, 15, 15, 0.9);
    backdrop-filter: blur(10px);
    padding: 10px 0;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.3);
}

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

.logo img {
    height: 50px;
    transition: var(--transition);
}

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

.nav-links a {
    color: var(--text-light);
    font-weight: 500;
    font-size: 0.9rem;
    position: relative;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary-color);
    transition: var(--transition);
}

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

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

.mobile-menu-icon {
    display: none;
    cursor: pointer;
    font-size: 1.5rem;
    color: var(--text-light);
    transition: var(--transition);
}

.mobile-menu-icon:hover {
    color: var(--primary-color);
}

/* Hero Section */
.hero {
    height: 100vh;
    background: linear-gradient(rgba(0, 0, 0, 0.6), rgba(0, 0, 0, 0.6)), url('bg-01.jpg') no-repeat center center/cover;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: var(--text-light);
}

.hero-content h1 {
    font-size: clamp(2.5rem, 8vw, 5rem);
    line-height: 1;
    margin-bottom: 20px;
}

.hero-content h1 span {
    color: var(--primary-color);
    display: block;
}

.hero-content p {
    font-size: 1.2rem;
    text-transform: uppercase;
    letter-spacing: 5px;
    margin-bottom: 30px;
}

.btn {
    display: inline-block;
    padding: 15px 40px;
    background: var(--primary-color);
    color: white;
    font-weight: 600;
    border-radius: 5px;
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: var(--transition);
}

.btn:hover {
    background: #e65c00;
    transform: translateY(-3px);
    box-shadow: 0 10px 20px rgba(255, 102, 0, 0.3);
}

/* Main Banner Section */
.main-banner {
    background: var(--primary-color);
    color: white;
    padding: 80px 0;
    text-align: center;
}

.main-banner h2 {
    font-size: 2.5rem;
    margin-bottom: 20px;
}

/* Section Common Styles */
section {
    padding: 100px 0;
}

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

.section-title h2 {
    font-size: 2.5rem;
    position: relative;
    padding-bottom: 20px;
    margin-bottom: 20px;
}

.section-title h2::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: var(--primary-color);
}

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

.product-card {
    background: white;
    padding: 40px;
    border-radius: 15px;
    text-align: center;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
    transition: var(--transition);
    border: 1px solid #eee;
}

.product-card:hover {
    transform: translateY(-10px);
    border-color: var(--primary-color);
}

.product-card i {
    font-size: 3rem;
    color: var(--primary-color);
    margin-bottom: 20px;
}

.product-card h3 {
    margin-bottom: 15px;
}

/* Why Section */
.why-section {
    background: var(--bg-dark);
    color: var(--text-light);
}

.why-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: center;
}

.why-features {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.feature-item {
    background: rgba(255, 255, 255, 0.05);
    padding: 20px;
    border-left: 4px solid var(--primary-color);
}

/* Specifications Table */
.spec-table-container {
    overflow-x: auto;
}

table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 30px;
}

th,
td {
    padding: 20px;
    border: 1px solid #ddd;
    text-align: left;
}

th {
    background: var(--secondary-color);
    color: white;
}

tr:nth-child(even) {
    background: #f9f9f9;
}

/* Footer */
footer {
    background: var(--bg-dark);
    color: #999;
    padding: 80px 0 20px;
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 50px;
    margin-bottom: 50px;
}

.footer-about img {
    height: 50px;
    margin-bottom: 20px;
}

.footer-links h4,
.footer-contact h4 {
    color: white;
    margin-bottom: 25px;
}

.footer-contact p {
    margin-bottom: 15px;
}

.footer-bottom {
    text-align: center;
    padding-top: 50px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

/* Mobile Responsive */
@media (max-width: 768px) {
    header {
        background: rgba(15, 15, 15, 0.95);
        padding: 15px 0;
    }

    .mobile-menu-icon {
        display: block;
    }

    .nav-links {
        display: flex;
        flex-direction: column;
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background: rgba(15, 15, 15, 0.98);
        padding: 40px 20px;
        gap: 20px;
        text-align: center;
        border-top: 1px solid rgba(255, 255, 255, 0.1);
        z-index: 999;
        transition: var(--transition);
        transform: translateY(-20px);
        opacity: 0;
        pointer-events: none;
    }

    .nav-links.active {
        transform: translateY(0);
        opacity: 1;
        pointer-events: all;
    }

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

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

    .section-title h2 {
        font-size: 2rem;
    }

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

    .why-features {
        grid-template-columns: 1fr;
    }

    .logo img {
        height: 40px;
    }
}

/* Animations */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: 1s all ease;
}

.reveal.active {
    opacity: 1;
    transform: translateY(0);
}