:root {
    /* Color Palette */
    --primary-color: #0B0E14;
    --accent-color: #E2D1A8; /* Champagne/Luxury Gold */
    --accent-light: #F7F3E9;
    --bg-light: #FFFFFF;
    --bg-soft: #F9FAFB;
    --bg-dark: #0B0E14;
    --bg-card-dark: #161B22;
    
    /* Text Colors */
    --text-main: #1A1D23;
    --text-muted: #667085;
    --text-on-dark: #FFFFFF;
    --text-muted-on-dark: #94A3B8;

    /* Typography */
    --font-main: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    --font-weight-bold: 700;
    --font-weight-medium: 500;
    --font-weight-regular: 400;

    /* Spacing & Layout */
    --section-padding: 100px;
    --container-width: 1280px;
    --gutter: 24px;
    --border-radius-lg: 32px;
    --border-radius-md: 16px;
    --border-radius-pill: 100px;

    /* Transitions */
    --transition-base: all 0.4s cubic-bezier(0.25, 1, 0.5, 1);
}

/* Global Reset & Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    -webkit-font-smoothing: antialiased;
}

html {
    scroll-behavior: smooth;
}

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

h1, h2, h3, h4 {
    color: var(--primary-color);
    font-weight: var(--font-weight-bold);
    line-height: 1.1;
    letter-spacing: -0.02em;
}

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

ul {
    list-style: none;
}

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

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

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

.text-accent { color: var(--accent-color); }
.bg-dark-section { background-color: var(--bg-dark); color: var(--text-on-dark); }
.text-center { text-align: center; }

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 14px 28px;
    border-radius: var(--border-radius-pill);
    font-weight: var(--font-weight-medium);
    cursor: pointer;
    transition: var(--transition-base);
    border: 1px solid transparent;
    gap: 8px;
}

.btn-primary {
    background-color: var(--primary-color);
    color: white;
}

.btn-primary:hover {
    background-color: #2D333D;
    transform: translateY(-2px);
}

.btn-ghost {
    background-color: transparent;
    border-color: rgba(0,0,0,0.1);
    color: var(--primary-color);
}

.btn-ghost:hover {
    border-color: var(--primary-color);
}

.btn-on-dark {
    background-color: var(--accent-color);
    color: var(--primary-color);
}

/* Header & Navigation */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(0,0,0,0.05);
}

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

.nav-links {
    display: flex;
    gap: 40px;
}

.nav-links a {
    font-weight: var(--font-weight-medium);
    font-size: 15px;
    color: var(--text-main);
}

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

/* Hero Section */
.hero {
    padding-top: 180px;
    padding-bottom: 80px;
}

.hero-grid {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 60px;
    align-items: end;
    margin-bottom: 60px;
}

.hero-title {
    font-size: clamp(48px, 6vw, 84px);
    margin-bottom: 24px;
}

.hero-stats {
    display: flex;
    gap: 40px;
}

.stat-item h3 {
    font-size: 32px;
}

.hero-images {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 24px;
    margin-top: 40px;
}

.hero-img-wrapper {
    position: relative;
    border-radius: var(--border-radius-lg);
    overflow: hidden;
}

.hero-img-wrapper img {
    width: 100%;
    height: 500px;
}

.floating-badge {
    position: absolute;
    bottom: 30px;
    left: 30px;
    background: white;
    padding: 12px 24px;
    border-radius: var(--border-radius-pill);
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
    font-weight: var(--font-weight-medium);
}

/* Cards & Service Grid */
.service-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 32px;
}

.service-card {
    padding: 40px;
    border-radius: var(--border-radius-md);
    background: var(--bg-soft);
    transition: var(--transition-base);
}

.service-card:hover {
    background: white;
    box-shadow: 0 20px 40px rgba(0,0,0,0.05);
}

/* Alternating Layout */
.split-section {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}

.split-section.reverse {
    direction: rtl;
}

.split-section.reverse .text-content {
    direction: ltr;
}

/* Pricing Section */
.pricing-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    margin-top: 50px;
}

.pricing-card {
    padding: 50px;
    border-radius: var(--border-radius-lg);
    border: 1px solid #E5E7EB;
    position: relative;
}

.pricing-card.featured {
    background: var(--bg-dark);
    color: white;
    transform: scale(1.05);
    z-index: 2;
}

.pricing-card.featured h3, 
.pricing-card.featured .price {
    color: white;
}

.badge-popular {
    position: absolute;
    top: 20px;
    right: 20px;
    background: var(--accent-color);
    color: var(--primary-color);
    padding: 4px 12px;
    font-size: 12px;
    border-radius: var(--border-radius-pill);
    text-transform: uppercase;
}

/* Footer Styles */
.footer {
    background: var(--bg-dark);
    color: var(--text-muted-on-dark);
    padding: 80px 0 40px;
}

.footer-top {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 60px;
    margin-bottom: 60px;
}

.footer-logo {
    color: white;
    font-size: 24px;
    margin-bottom: 24px;
    display: block;
}

.footer-column h4 {
    color: white;
    margin-bottom: 24px;
}

.footer-column ul li {
    margin-bottom: 12px;
}

.footer-column ul li a:hover {
    color: var(--accent-color);
}

.footer-bottom {
    padding-top: 40px;
    border-top: 1px solid rgba(255,255,255,0.1);
    display: flex;
    justify-content: space-between;
    font-size: 14px;
}

/* Responsive Design */

/* Tablet (max-width: 1024px) */
@media (max-width: 1024px) {
    :root {
        --section-padding: 80px;
    }

    .hero-grid {
        grid-template-columns: 1fr;
        gap: 30px;
    }

    .service-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .pricing-grid {
        grid-template-columns: 1fr;
        max-width: 500px;
        margin-left: auto;
        margin-right: auto;
    }

    .pricing-card.featured {
        transform: scale(1);
    }

    .split-section {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .footer-top {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* Mobile (max-width: 768px) */
@media (max-width: 768px) {
    :root {
        --section-padding: 60px;
    }

    .nav-links {
        display: none; /* In reality, implement hamburger menu here */
    }

    .hero-title {
        font-size: 40px;
    }

    .hero-images {
        grid-template-columns: 1fr;
    }

    .hero-img-wrapper img {
        height: 350px;
    }

    .service-grid {
        grid-template-columns: 1fr;
    }

    .footer-top {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .footer-bottom {
        flex-direction: column;
        gap: 20px;
        text-align: center;
    }
}

/* Animations */
[data-fade] {
    opacity: 0;
    transform: translateY(20px);
    transition: var(--transition-base);
}

[data-fade].visible {
    opacity: 1;
    transform: translateY(0);
}

.hover-lift:hover {
    transform: translateY(-8px);
}