/* Design System & Reset */
:root {
    /* Color Palette */
    --color-bg: #050505;
    --color-surface: #0a0a0a;
    --color-text-main: #ffffff;
    --color-text-muted: #888888;
    --color-accent: #ffffff;
    /* Stark white accent for high contrast */
    --color-border: #222222;

    /* Typography */
    --font-main: 'Inter', system-ui, -apple-system, sans-serif;
    --font-mono: 'JetBrains Mono', monospace;

    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 8rem;
}

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

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

a {
    color: inherit;
    text-decoration: none;
    transition: color 0.3s ease;
}

ul {
    list-style: none;
}

/* Utilities */
.container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-sm);
}

.btn {
    display: inline-block;
    padding: 12px 24px;
    border: 1px solid var(--color-accent);
    background: transparent;
    color: var(--color-accent);
    font-family: var(--font-mono);
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    cursor: pointer;
    transition: all 0.3s ease;
}

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

.section-title {
    font-size: 2.5rem;
    font-weight: 300;
    margin-bottom: var(--spacing-lg);
    border-left: 2px solid var(--color-accent);
    padding-left: var(--spacing-sm);
    letter-spacing: -0.05em;
}

/* Header */
header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background: rgba(5, 5, 5, 0.8);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--color-border);
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 80px;
}

.logo {
    font-family: var(--font-mono);
    font-size: 1.5rem;
    font-weight: bold;
    letter-spacing: 2px;
}

.nav-links {
    display: flex;
    gap: var(--spacing-md);
}

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

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

.user-icon {
    display: flex;
    align-items: center;
    color: var(--color-text-muted);
    transition: color 0.3s ease;
}

.user-icon:hover {
    color: var(--color-accent);
}

.user-icon svg {
    width: 24px;
    height: 24px;
}

/* Admin Pages Layout */
.admin-page {
    padding-top: 120px;
    /* Space for fixed header */
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    /* Center horizontally */
    justify-content: center;
    /* Center vertically */
}

.admin-card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    padding: var(--spacing-lg);
    max-width: 500px;
    margin: 0 auto;
    width: 100%;
    margin-bottom: var(--spacing-xl);
}

.error-message {
    color: #ff4444;
    margin-bottom: 1rem;
    display: none;
    text-align: center;
}

.error-message.visible {
    display: block;
}

/* Hero Section */
.hero {
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    position: relative;
    overflow: hidden;
}

/* Background Grid Effect */
.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background:
        linear-gradient(rgba(5, 5, 5, 0.9), rgba(5, 5, 5, 0.9)),
        linear-gradient(90deg, var(--color-border) 1px, transparent 1px),
        linear-gradient(var(--color-border) 1px, transparent 1px);
    background-size: 100% 100%, 40px 40px, 40px 40px;
    z-index: -1;
    perspective: 500px;
}

.hero-content h1 {
    font-size: 5rem;
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: var(--spacing-md);
    letter-spacing: -0.05em;
    background: linear-gradient(to right, #fff, #666);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-content p {
    font-size: 1.2rem;
    color: var(--color-text-muted);
    margin-bottom: var(--spacing-lg);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

/* Services Section */
.services {
    padding: var(--spacing-xl) 0;
    border-bottom: 1px solid var(--color-border);
}

.service-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-md);
}

.service-card {
    background: var(--color-surface);
    padding: var(--spacing-md);
    border: 1px solid var(--color-border);
    transition: transform 0.3s ease;
}

.service-card:hover {
    transform: translateY(-5px);
    border-color: var(--color-accent);
}

.service-card h3 {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-sm);
    font-weight: 400;
}

.service-card p {
    color: var(--color-text-muted);
    font-size: 0.95rem;
}

/* Pricing Section */
.pricing {
    padding: var(--spacing-xl) 0;
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-md);
}

.pricing-card {
    border: 1px solid var(--color-border);
    padding: var(--spacing-lg) var(--spacing-md);
    text-align: center;
    position: relative;
    overflow: hidden;
}

.pricing-card.featured {
    border-color: var(--color-accent);
    background: rgba(255, 255, 255, 0.03);
}

.pricing-card h3 {
    font-family: var(--font-mono);
    font-size: 1.2rem;
    color: var(--color-text-muted);
    margin-bottom: var(--spacing-sm);
}

.price {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: var(--spacing-md);
    display: block;
}

.features-list li {
    margin-bottom: var(--spacing-xs);
    color: var(--color-text-muted);
}

/* Contact Section */
.contact {
    padding: var(--spacing-xl) 0;
    background: var(--color-surface);
    border-top: 1px solid var(--color-border);
}

.contact-content {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-lg);
}

.contact-info,
.contact-form {
    flex: 1;
    min-width: 300px;
}

.contact-item {
    margin-bottom: var(--spacing-md);
}

.contact-item h4 {
    font-family: var(--font-mono);
    color: var(--color-text-muted);
    margin-bottom: var(--spacing-xs);
}

.form-group {
    margin-bottom: var(--spacing-md);
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 15px;
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    color: var(--color-text-main);
    font-family: var(--font-main);
    font-size: 1rem;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-accent);
}

/* Footer */
footer {
    padding: var(--spacing-md) 0;
    border-top: 1px solid var(--color-border);
    text-align: center;
    color: var(--color-text-muted);
    font-size: 0.9rem;
}

/* Mobile Responsive */
@media (max-width: 768px) {
    .hero-content h1 {
        font-size: 3rem;
    }

    .nav-links {
        display: none;
        /* Simple hiding for now, JS can toggle */
    }
}