/* Design System & Variables */
:root {
    /* Color Palette */
    --color-midnight: #0B1026; /* Deep Navy/Charcoal */
    --color-snow: #F8FAFC;     /* Crisp White */
    --color-glacier: #E2E8F0;  /* Light Grey/Blueish */
    --color-pine: #2C3E50;     /* Muted Earth Tone */
    --color-mylar: #D4AF37;    /* Metallic Gold Accent (Subtle) */
    --color-text-main: #1A202C;
    --color-text-light: #F8FAFC;
    
    /* Typography */
    --font-heading: 'Outfit', sans-serif;
    --font-body: 'Inter', sans-serif;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 8rem;
    
    /* Transitions */
    --transition-smooth: all 0.3s ease-in-out;
}

/* Reset & Base */
* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: var(--font-body);
    background-color: var(--color-snow);
    color: var(--color-text-main);
    line-height: 1.6;
    overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 600;
    line-height: 1.2;
    margin-bottom: var(--spacing-sm);
}

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

img {
    max-width: 100%;
    display: block;
}

/* Utility Classes */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-sm);
}

.btn {
    display: inline-block;
    padding: 1rem 2rem;
    background-color: var(--color-midnight);
    color: var(--color-snow);
    text-transform: uppercase;
    letter-spacing: 1px;
    font-weight: 500;
    border: 1px solid var(--color-midnight);
    cursor: pointer;
}

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

.btn-outline {
    background-color: transparent;
    border: 1px solid var(--color-snow);
    color: var(--color-snow);
}

.btn-outline:hover {
    background-color: var(--color-snow);
    color: var(--color-midnight);
}

/* Header */
header {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 100;
    padding: var(--spacing-md) 0;
    color: var(--color-snow); /* Assuming hero image is dark */
}

/* Header on non-home pages */
body:not(.home) header {
    position: relative;
    background-color: var(--color-midnight);
    color: var(--color-snow);
}

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

.logo {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 700;
    letter-spacing: 2px;
    text-transform: uppercase;
}

.nav-links {
    display: flex;
    gap: var(--spacing-md);
    list-style: none;
}

.nav-links a {
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    opacity: 0.8;
    color: var(--color-snow);
}

.nav-links a:hover {
    opacity: 1;
}

/* Hamburger Menu */
.hamburger {
    display: none;
    flex-direction: column;
    justify-content: space-between;
    width: 28px;
    height: 20px;
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 0;
    z-index: 110;
}

.hamburger-line {
    display: block;
    width: 100%;
    height: 2px;
    background-color: var(--color-snow);
    transition: var(--transition-smooth);
}

.hamburger-open .hamburger-line:nth-child(1) {
    transform: translateY(9px) rotate(45deg);
}

.hamburger-open .hamburger-line:nth-child(2) {
    opacity: 0;
}

.hamburger-open .hamburger-line:nth-child(3) {
    transform: translateY(-9px) rotate(-45deg);
}

/* Mobile Navigation */
@media (max-width: 768px) {
    .hamburger {
        display: flex;
    }

    .nav-links {
        position: fixed;
        top: 0;
        right: -100%;
        width: 70%;
        max-width: 300px;
        height: 100vh;
        background: var(--color-midnight);
        flex-direction: column;
        justify-content: center;
        align-items: center;
        gap: var(--spacing-lg);
        transition: right 0.3s ease-in-out;
        z-index: 105;
    }

    .nav-links.nav-open {
        right: 0;
    }

    .nav-links a {
        font-size: 1.2rem;
        opacity: 1;
    }

    .cart-icon {
        z-index: 110;
    }
}

/* Footer */
footer {
    background-color: var(--color-midnight);
    color: var(--color-snow);
    padding: var(--spacing-lg) 0;
    text-align: center;
}

.footer-links {
    display: flex;
    justify-content: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
    list-style: none;
}

.copyright {
    font-size: 0.8rem;
    opacity: 0.6;
}

/* Page Header (non-home pages) */
.page-header {
    background-color: var(--color-midnight);
    color: var(--color-snow);
    padding: 8rem 0 4rem;
    text-align: center;
}

.page-header h1 {
    margin-bottom: 0.5rem;
}

.page-header p {
    opacity: 0.8;
    max-width: 600px;
    margin: 0 auto;
}

/* Content Section */
.content-section {
    padding: 4rem 0;
}

.content-body {
    max-width: 800px;
    margin: 0 auto;
}

.content-body p {
    margin-bottom: 1.5rem;
}

.content-body h2 {
    margin-top: 2rem;
}

.content-body ul,
.content-body ol {
    margin-bottom: 1.5rem;
    padding-left: 1.5rem;
}

.content-body li {
    margin-bottom: 0.5rem;
}

/* Content Grid (About page style) */
.content-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.text-block h2 {
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
}

.text-block p {
    margin-bottom: 1.5rem;
    font-size: 1.1rem;
    color: #4a5568;
}

.image-block {
    background-color: #f0f0f0;
    height: 400px;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.image-block img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* Products/Services Grid */
.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 2rem;
    padding: 2rem 0;
}

.product-card {
    background: white;
    transition: transform 0.3s ease;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.product-card:hover {
    transform: translateY(-5px);
}

.product-card a {
    display: block;
    text-decoration: none;
    color: inherit;
}

.card-image {
    background-color: #f0f0f0;
    height: 250px;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.card-info {
    padding: 1.5rem;
}

.product-name {
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.product-price,
.product-description {
    color: var(--color-pine);
    font-weight: 500;
}

/* Service/Device Hero */
.service-hero,
.device-hero {
    position: relative;
    height: 50vh;
    min-height: 400px;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: var(--color-snow);
    background-size: cover;
    background-position: center;
}

.service-hero::before,
.device-hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(rgba(0, 0, 0, 0.5), rgba(0, 0, 0, 0.5));
}

.service-hero .container,
.device-hero .container {
    position: relative;
    z-index: 1;
}

/* Contact Section */
.contact-section {
    padding: 4rem 0;
    background-color: var(--color-glacier);
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: start;
}

.contact-info {
    background: white;
    padding: 3rem;
    border-radius: 8px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
}

.info-item {
    margin-bottom: 2rem;
}

.info-item:last-child {
    margin-bottom: 0;
}

.info-item h3 {
    margin-bottom: 0.5rem;
    color: var(--color-midnight);
}

.form-container {
    background: white;
    padding: 3rem;
    border-radius: 8px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
}

.form-group {
    margin-bottom: 1.5rem;
}

label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
}

input,
textarea,
select {
    width: 100%;
    padding: 0.8rem;
    border: 1px solid #e2e8f0;
    border-radius: 4px;
    font-family: var(--font-body);
}

textarea {
    height: 150px;
    resize: vertical;
}

/* Features Grid */
.features {
    padding: var(--spacing-xl) 0;
    background-color: var(--color-snow);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
    text-align: center;
}

.feature-item {
    padding: 2rem;
}

.feature-icon {
    font-size: 2rem;
    margin-bottom: var(--spacing-sm);
    color: var(--color-midnight);
}

/* Featured Product Section */
.featured-product {
    padding: var(--spacing-xl) 0;
    background-color: var(--color-glacier);
}

.product-showcase {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
}

.product-image {
    flex: 1;
}

.product-image img {
    max-width: 100%;
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.product-details {
    flex: 1;
}

/* CTA Section */
.cta-section {
    background-color: var(--color-midnight);
    color: var(--color-snow);
    padding: 4rem 0;
    text-align: center;
}

.cta-section h2 {
    margin-bottom: 1rem;
}

.cta-section p {
    margin-bottom: 2rem;
    opacity: 0.8;
}

/* Related Items */
.related-section {
    padding: 4rem 0;
    background-color: var(--color-glacier);
}

.related-section h2 {
    text-align: center;
    margin-bottom: 2rem;
}

/* Form message styles */
.form-message {
    padding: 1rem;
    border-radius: 4px;
    margin-bottom: 1.5rem;
    font-weight: 500;
}

.form-message.success {
    color: #155724;
    background-color: #d4edda;
    border: 1px solid #c3e6cb;
}

.form-message.error {
    color: #721c24;
    background-color: #f8d7da;
    border: 1px solid #f5c6cb;
}

.form-message.info {
    color: #004085;
    background-color: #cce5ff;
    border: 1px solid #b8daff;
}

.form-hint {
    font-size: 0.85em;
    color: #666;
    margin-top: 0.25rem;
}

/* Responsive */
@media (max-width: 768px) {
    .content-grid,
    .contact-grid {
        grid-template-columns: 1fr;
    }

    .image-block {
        order: -1;
    }

    .product-showcase {
        flex-direction: column;
    }

    .page-header {
        padding: 6rem 0 3rem;
    }
}