:root {
    --primary: #87CEFA;
    --primary-dark: #5db7f0;
    --dark: #1f2937;
    --light: #f8fbff;
}

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

html {
    scroll-behavior: smooth;
}

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

/* Header */
header {
    position: fixed;
    top: 0;
    width: 100%;
    background: #ffffff;
    box-shadow: 0 2px 10px rgba(0,0,0,0.08);
    z-index: 1000;
}
.navbar {
    max-width: 1200px;
    margin: auto;
    padding: 15px 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.logo {
    font-size: 28px;
    font-weight: 700;
    color: var(--primary-dark);
}
nav ul {
    list-style: none;
    display: flex;
    gap: 30px;
}
nav a {
    text-decoration: none;
    color: var(--dark);
    font-weight: 600;
    transition: 0.3s;
}
nav a:hover {
    color: var(--primary-dark);
}

/* Hero */
.hero {
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    text-align: center;
    padding: 120px 20px 40px;
    background: linear-gradient(
        rgba(0, 0, 0, 0.45),
        rgba(0, 0, 0, 0.45)
    ), url("../images/background.webp");
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
}
.hero-content {
    max-width: 800px;
    color: white;
}
.hero h1 {
    font-size: 60px;
    margin-bottom: 20px;
    text-shadow: 0 3px 10px rgba(0,0,0,0.5);
}
.hero p {
    font-size: 22px;
    margin-bottom: 35px;
    text-shadow: 0 2px 8px rgba(0,0,0,0.5);
}
.btn {
    display: inline-block;
    padding: 15px 35px;
    background: #fff;
    color: var(--primary-dark);
    text-decoration: none;
    border-radius: 50px;
    font-weight: 700;
    transition: 0.3s;
}
.btn:hover {
    transform: translateY(-3px);
}

/* Sections */
section {
    padding: 90px 20px;
}
.container {
    max-width: 1200px;
    margin: auto;
}
.section-title {
    text-align: center;
    font-size: 42px;
    margin-bottom: 50px;
}

/* Product Cards */
.products {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
}
.card {
    background: #fff;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 4px 20px rgba(0,0,0,0.08);
    transition: 0.3s;
}
.card:hover {
    transform: translateY(-8px);
}
.card img {
    width: 100%;
    height: 240px;
    object-fit: cover;
}
.card-content {
    padding: 25px;
}
.card h3 {
    margin-bottom: 10px;
}
.price {
    margin-top: 15px;
    font-size: 24px;
    font-weight: 700;
    color: var(--primary-dark);
}

/* Features */
.features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 25px;
}
.feature {
    background: #fff;
    padding: 35px;
    border-radius: 16px;
    text-align: center;
    box-shadow: 0 4px 20px rgba(0,0,0,0.08);
}
.feature h3 {
    color: var(--primary-dark);
    margin-bottom: 15px;
}

/* Contact */
.contact {
    text-align: center;
}
.contact p {
    margin: 12px 0;
    font-size: 18px;
}

/* Footer */
footer {
    background: var(--dark);
    color: #ffffff;
    text-align: center;
    padding: 40px 20px 20px;
}
.footer-container {
    max-width: 1200px;
    margin: auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 30px;
    flex-wrap: wrap;
}
.footer-logo {
    font-size: 28px;
    font-weight: 700;
    color: var(--primary);
}
.footer-nav {
    display: flex;
    align-items: center;
    gap: 12px;
}
.footer-nav a {
    color: #fff;
    text-decoration: none;
    transition: 0.3s;
}
.footer-nav a:hover {
    color: var(--primary);
}
.footer-social {
    display: flex;
    align-items: center;
    gap: 20px;
}
.footer-social a {
    display: flex;
    align-items: center;
    gap: 8px;
    color: #fff;
    text-decoration: none;
    transition: 0.3s;
}
.footer-social a:hover {
    color: var(--primary);
}
.footer-social svg {
    width: 18px;
    height: 18px;
}
copyright {
    margin-top: 25px;
    color: #9ca3af;
    font-size: 14px;
}

/* Responsive */
@media (max-width: 768px) {
    .navbar {
        flex-direction: column;
        gap: 15px;
    }
    nav ul {
        flex-wrap: wrap;
        justify-content: center;
        gap: 15px;
    }
    .hero h1 {
        font-size: 42px;
    }
    .hero p {
        font-size: 18px;
    }
    .section-title {
        font-size: 32px;
    }
}

@media (max-width: 768px) {
    .footer-social {
        display: flex;
        flex-wrap: wrap;
        justify-content: center;
        gap: 10px;
    }

    .footer-social a {
        flex: 0 0 calc(50% - 10px);
        justify-content: center;
        box-sizing: border-box;
    }
}