@import url('https://fonts.googleapis.com/css2?family=Exo+2:wght@600&family=Lato:wght@400;700&display=swap');

:root {
    --bg-color: #1a2a3a;
    --surface-color: #2a3a4a;
    --accent-color: #00aeff;
    --text-color: #e1e1e1;
    --heading-color: #ffffff;
    --border-color: #3a4a5a;
    --container-width: 1100px;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Lato', sans-serif;
    background-color: var(--bg-color);
    color: var(--text-color);
    line-height: 1.7;
    font-size: 16px;
}

h1, h2, h3 {
    font-family: 'Exo 2', sans-serif;
    color: var(--heading-color);
    font-weight: 600;
    line-height: 1.3;
}

h1 { font-size: 2.8rem; margin-bottom: 1rem; }
h2 { font-size: 2.2rem; margin-bottom: 2rem; border-bottom: 3px solid var(--accent-color); display: inline-block; padding-bottom: 0.5rem; }
h3 { font-size: 1.5rem; margin-bottom: 1rem; color: var(--accent-color); }

p { margin-bottom: 1.5rem; }
a { color: var(--accent-color); text-decoration: none; }
a:hover { text-decoration: underline; }

.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 2rem;
}

header {
    background-color: rgba(26, 42, 58, 0.8);
    backdrop-filter: blur(10px);
    padding: 1.2rem 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    border-bottom: 1px solid var(--border-color);
}

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

.logo {
    font-family: 'Exo 2', sans-serif;
    font-size: 2rem;
    font-weight: 600;
}

nav ul {
    list-style: none;
    display: flex;
    gap: 2rem;
}

nav a { font-size: 1rem; font-weight: 700; }

section { padding: 5rem 0; }

#hero {
    text-align: center;
    padding: 6rem 0;
    background: linear-gradient(rgba(26, 42, 58, 0.9), rgba(26, 42, 58, 0.9)), url(placeholder.jpg); /* Add a background image for better effect */
    background-size: cover;
}

.btn {
    display: inline-block;
    margin-top: 1rem;
    padding: 0.8rem 2rem;
    font-family: 'Exo 2', sans-serif;
    font-size: 1rem;
    font-weight: 600;
    color: var(--heading-color);
    background-color: var(--accent-color);
    border: 2px solid var(--accent-color);
    border-radius: 5px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.btn:hover {
    background-color: transparent;
    color: var(--accent-color);
}

#products .product-line {
    background-color: var(--surface-color);
    padding: 2rem;
    border-radius: 8px;
    margin-bottom: 2rem;
    border-left: 5px solid var(--accent-color);
}

#reviews .reviews-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.review-card {
    background-color: var(--surface-color);
    padding: 2rem;
    border-radius: 8px;
    border-top: 4px solid var(--border-color);
    transition: border-color 0.3s ease;
}
.review-card:hover { border-top-color: var(--accent-color); }
.review-card p { font-style: italic; }
.review-card footer { font-size: 0.9rem; font-weight: 700; color: var(--accent-color); margin-top: 1rem; }

#faq details {
    background-color: var(--surface-color);
    border: 1px solid var(--border-color);
    border-radius: 5px;
    margin-bottom: 1rem;
}
#faq summary {
    font-size: 1.2rem;
    font-weight: 700;
    padding: 1rem;
    cursor: pointer;
    list-style: none;
}
#faq details[open] summary { color: var(--accent-color); }
#faq details p { padding: 0 1rem 1rem 1rem; margin: 0; }

#feedback form {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

#feedback .form-group {
    display: flex;
    gap: 1rem;
}

#feedback input, #feedback textarea {
    width: 100%;
    padding: 0.8rem;
    background-color: var(--surface-color);
    border: 1px solid var(--border-color);
    border-radius: 5px;
    color: var(--text-color);
    font-family: 'Lato', sans-serif;
    font-size: 1rem;
}
#feedback input:focus, #feedback textarea:focus {
    outline: none;
    border-color: var(--accent-color);
}

#contacts .contacts-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
}
.contact-item {
    background-color: var(--surface-color);
    padding: 2rem;
    border-radius: 8px;
}

footer {
    text-align: center;
    padding: 2rem 0;
    background-color: var(--surface-color);
    border-top: 1px solid var(--border-color);
    font-size: 0.9rem;
}