:root {
    --primary-gradient: linear-gradient(135deg, #FF8C00 0%, #FFD700 100%);
    --secondary-color: #003366;
    --text-color: #333333;
    --light-bg: #F9FAFB;
    --white: #FFFFFF;
    --gray: #6B7280;
    --container-width: 1200px;
    --transition: all 0.3s ease;
}

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

body {
    font-family: 'Outfit', sans-serif;
    color: var(--text-color);
    line-height: 1.6;
    background-color: var(--white);
    overflow-x: hidden;
}

.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 20px;
}

.section-padding {
    padding: 100px 0;
}

.alternate-bg {
    background-color: var(--light-bg);
}

.gradient-text {
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    font-weight: 700;
}

.text-center {
    text-align: center;
}

.section-title {
    font-size: 2.5rem;
    margin-bottom: 50px;
    font-weight: 700;
    color: var(--secondary-color);
}

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

header.scrolled {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
    padding: 10px 0;
}

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

.logo img {
    height: 40px;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 30px;
}

.nav-links a {
    text-decoration: none;
    color: var(--secondary-color);
    font-weight: 500;
    transition: var(--transition);
}

.nav-links a:hover {
    color: #FF8C00;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 12px 30px;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition);
    cursor: pointer;
}

.btn-primary {
    background: var(--primary-gradient);
    color: var(--white);
    border: none;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(255, 140, 0, 0.3);
}

.btn-secondary {
    background: var(--secondary-color);
    color: var(--white);
    border: none;
    margin-left: 15px;
}

.btn-secondary:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(0, 51, 102, 0.3);
}

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

.btn-outline:hover {
    background: var(--secondary-color);
    color: var(--white);
}

/* Hero Section */
.hero {
    height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    color: var(--secondary-color);
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
}

.hero-bg img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0.6;
}

.hero-content {
    max-width: 700px;
}

.hero h1 {
    font-size: 4rem;
    line-height: 1.1;
    margin-bottom: 20px;
}

.hero p {
    font-size: 1.25rem;
    margin-bottom: 30px;
    color: var(--gray);
}

/* About Section */
.about-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 50px;
}

.about-text h2 {
    margin-bottom: 20px;
}

.about-features {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 30px;
    margin-top: 40px;
}

.feature-item {
    display: flex;
    gap: 15px;
}

.feature-item .icon {
    font-size: 2rem;
}

.feature-item h3 {
    font-size: 1.25rem;
    margin-bottom: 5px;
}

/* Category Grid */
.category-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 30px;
}

@media (min-width: 1200px) {
    .category-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

.category-card {
    background: var(--white);
    border-radius: 20px;
    overflow: hidden;
    transition: var(--transition);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
    height: 100%;
}

.category-card:hover {
    transform: translateY(-10px);
}

.category-img {
    height: 250px;
    overflow: hidden;
}

.category-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

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

.category-info {
    padding: 25px;
}

.category-info h3 {
    font-size: 1.5rem;
    margin-bottom: 10px;
}

.btn-text {
    display: inline-block;
    margin-top: 15px;
    color: #FF8C00;
    text-decoration: none;
    font-weight: 600;
}

/* Product Grid */
.product-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.product-card {
    background: var(--white);
    border-radius: 15px;
    padding: 20px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    position: relative;
    border: 1px solid #EEE;
}

.product-badge {
    position: absolute;
    top: 15px;
    left: 15px;
    background: #FF8C00;
    color: white;
    padding: 5px 12px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
    z-index: 1;
}

.product-img {
    height: 250px;
    overflow: hidden;
    border-radius: 10px;
    margin-bottom: 20px;
}

.product-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

.product-card:hover .product-img img {
    transform: scale(1.05);
}

.product-details h3 {
    margin-bottom: 10px;
}

.price {
    font-size: 1.5rem;
    font-weight: 700;
    color: #FF8C00;
    margin-bottom: 10px;
}

/* Contact Card */
.contact-card {
    display: grid;
    grid-template-columns: 1fr 1fr;
    background: var(--white);
    border-radius: 30px;
    overflow: hidden;
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.1);
}

.contact-info {
    padding: 50px;
    background: var(--secondary-color);
    color: var(--white);
}

.contact-info h2 {
    color: var(--white);
    margin-bottom: 20px;
}

.contact-item {
    display: flex;
    gap: 15px;
    margin-top: 20px;
}

.contact-form {
    padding: 50px;
}

.form-group {
    margin-bottom: 20px;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 15px;
    border: 1px solid #DDD;
    border-radius: 10px;
    font-family: inherit;
}

/* Footer */
.footer {
    background: #F4F4F4;
    padding: 70px 0 30px;
    color: var(--secondary-color);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 50px;
    margin-bottom: 50px;
}

.footer-brand img {
    height: 40px;
    margin-bottom: 20px;
}

.footer-links h4 {
    margin-bottom: 20px;
}

.footer-links ul {
    list-style: none;
}

.footer-links li {
    margin-bottom: 10px;
}

.footer-links a {
    text-decoration: none;
    color: var(--gray);
    transition: var(--transition);
}

.footer-links a:hover {
    color: #FF8C00;
}

.footer-bottom {
    border-top: 1px solid #DDD;
    padding-top: 30px;
    text-align: center;
    font-size: 0.9rem;
    color: var(--gray);
}

/* Animations */
.fade-in {
    opacity: 0;
    transform: translateY(20px);
    animation: fadeIn 0.8s forwards;
}

.delay-1 {
    animation-delay: 0.2s;
}

.delay-2 {
    animation-delay: 0.4s;
}

@keyframes fadeIn {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Mobile */
@media (max-width: 992px) {
    .hero h1 {
        font-size: 3rem;
    }

    .contact-card {
        grid-template-columns: 1fr;
    }

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

@media (max-width: 768px) {
    .nav-links {
        display: none;
    }

    .hero {
        height: auto;
        padding: 150px 0 100px;
    }

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

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