/* 
 * Premium Landing Page Styles
 * Design System: Modern, Dark/Deep Navy, Gold Accents
 */

:root {
    /* Colors */
    --color-bg-main: #0a0e17; /* Deep Navy/Black */
    --color-bg-secondary: #111625; /* Slightly lighter navy for cards */
    --color-accent: #d4af37; /* Metallic Gold */
    --color-accent-hover: #f3cf55;
    --color-text-main: #ffffff;
    --color-text-muted: #a0a8b8;
    --color-border: #1f293a;
    
    /* Typography */
    --font-main: 'Inter', sans-serif;
    --font-heading: 'Outfit', sans-serif;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 8rem;
    
    /* Effects */
    --shadow-card: 0 10px 30px -10px rgba(0, 0, 0, 0.5);
    --shadow-glow: 0 0 20px rgba(212, 175, 55, 0.15);
    --transition-fast: 0.2s ease;
    --transition-smooth: 0.4s cubic-bezier(0.165, 0.84, 0.44, 1);
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

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

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 700;
    line-height: 1.2;
    color: var(--color-text-main);
}

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

ul {
    list-style: none;
}

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

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

.section {
    padding: var(--spacing-xl) 0;
}

.text-gradient {
    background: linear-gradient(135deg, #fff 0%, var(--color-text-muted) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.accent-text {
    color: var(--color-accent);
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 1rem 2rem;
    border-radius: 4px;
    font-weight: 600;
    letter-spacing: 0.5px;
    text-transform: uppercase;
    font-size: 0.9rem;
    cursor: pointer;
    transition: var(--transition-fast);
    border: 1px solid transparent;
}

.btn-primary {
    background-color: var(--color-accent);
    color: var(--color-bg-main);
    box-shadow: var(--shadow-glow);
}

.btn-primary:hover {
    background-color: var(--color-accent-hover);
    transform: translateY(-2px);
}

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

.btn-outline:hover {
    background-color: rgba(212, 175, 55, 0.1);
    transform: translateY(-2px);
}

/* Navbar */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background-color: rgba(10, 14, 23, 0.85);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    padding: 1.25rem 0;
}

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

.logo {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 700;
    letter-spacing: 1px;
}

.nav-links {
    display: flex;
    gap: 2.5rem;
}

.nav-link {
    color: var(--color-text-muted);
    font-size: 0.95rem;
    position: relative;
}

.nav-link:hover, .nav-link.active {
    color: var(--color-accent);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0%;
    height: 2px;
    background-color: var(--color-accent);
    transition: var(--transition-fast);
}

.nav-link:hover::after {
    width: 100%;
}

.mobile-toggle {
    display: none;
    font-size: 1.5rem;
    cursor: pointer;
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    padding-top: 80px; /* Offset for fixed nav */
    background: radial-gradient(circle at 80% 20%, rgba(212, 175, 55, 0.08) 0%, transparent 40%);
}

.hero-content {
    max-width: 800px;
}

.hero-subtitle {
    color: var(--color-accent);
    font-size: 1rem;
    text-transform: uppercase;
    letter-spacing: 3px;
    margin-bottom: var(--spacing-sm);
    display: block;
    font-weight: 600;
}

.hero-title {
    font-size: 4rem;
    margin-bottom: var(--spacing-md);
    line-height: 1.1;
}

.hero-description {
    font-size: 1.25rem;
    color: var(--color-text-muted);
    margin-bottom: var(--spacing-lg);
    max-width: 600px;
}

.hero-actions {
    display: flex;
    gap: var(--spacing-sm);
}

/* Services */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
}

.service-card {
    background-color: var(--color-bg-secondary);
    padding: var(--spacing-md);
    border-radius: 8px;
    border: 1px solid var(--color-border);
    transition: var(--transition-smooth);
    position: relative;
    overflow: hidden;
}

.service-card:hover {
    transform: translateY(-10px);
    border-color: var(--color-accent);
    box-shadow: var(--shadow-card);
}

.service-icon {
    font-size: 2.5rem;
    color: var(--color-accent);
    margin-bottom: var(--spacing-sm);
}

.service-title {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-sm);
}

.service-desc {
    color: var(--color-text-muted);
}

/* About */
.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xl);
    align-items: center;
}

.about-stats {
    display: flex;
    gap: var(--spacing-lg);
    margin-top: var(--spacing-md);
}

.stat-number {
    display: block;
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--color-accent);
    font-family: var(--font-heading);
}

.stat-label {
    color: var(--color-text-muted);
    font-size: 0.9rem;
}

/* Contact */
.contact-container {
    max-width: 600px;
    margin: 0 auto;
    text-align: center;
}

.contact-form {
    margin-top: var(--spacing-lg);
    text-align: left;
    display: grid;
    gap: var(--spacing-sm);
}

.form-group {
    display: grid;
    gap: 0.5rem;
}

.form-input, .form-textarea {
    width: 100%;
    padding: 1rem;
    background-color: var(--color-bg-secondary);
    border: 1px solid var(--color-border);
    border-radius: 4px;
    color: var(--color-text-main);
    font-family: var(--font-main);
    transition: var(--transition-fast);
}

.form-input:focus, .form-textarea:focus {
    outline: none;
    border-color: var(--color-accent);
    box-shadow: 0 0 0 2px rgba(212, 175, 55, 0.1);
}

.form-textarea {
    min-height: 150px;
    resize: vertical;
}

/* Footer */
.footer {
    background-color: var(--color-bg-secondary);
    padding: var(--spacing-lg) 0;
    border-top: 1px solid var(--color-border);
    text-align: center;
    color: var(--color-text-muted);
}

/* Mobile Responsive */
@media (max-width: 768px) {
    :root {
        --spacing-xl: 4rem;
        --spacing-lg: 3rem;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .about-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }
    
    .mobile-toggle {
        display: block;
    }
    
    .nav-links {
        position: fixed;
        top: 70px;
        left: 0;
        width: 100%;
        background-color: var(--color-bg-secondary);
        flex-direction: column;
        padding: 2rem;
        gap: 1.5rem;
        border-bottom: 1px solid var(--color-border);
        transform: translateY(-150%);
        transition: var(--transition-smooth);
    }
    
    .nav-links.active {
        transform: translateY(0);
    }
}