:root {
    --bg-color: #000000;
    --bg-secondary: #0a0a0a;
    --text-primary: #ffffff;
    --text-secondary: #a1a1a6;
    --accent: #ffffff;
    --accent-hover: #e5e5e5;
    --border-color: #333333;
    --font-main: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --nav-height: 60px;
    --container-width: 1200px;
    --spacing-xs: 8px;
    --spacing-sm: 16px;
    --spacing-md: 32px;
    --spacing-lg: 64px;
    --spacing-xl: 120px;
}

html {
    scroll-behavior: smooth;
}

body {
    background-color: var(--bg-color);
    color: var(--text-primary);
    font-family: var(--font-main);
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}

a {
    text-decoration: none;
    color: inherit;
    transition: opacity 0.2s ease;
}

ul {
    list-style: none;
}

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

/* Typography */
h1,
h2,
h3 {
    font-weight: 700;
    letter-spacing: -0.02em;
    line-height: 1.1;
}

h1 {
    font-size: clamp(3rem, 8vw, 6rem);
}

h2 {
    font-size: clamp(2rem, 5vw, 3.5rem);
    margin-bottom: var(--spacing-md);
}

h3 {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-xs);
}

.cta-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background-color: var(--accent);
    color: #000000;
    /* Black text on white button */
    padding: 16px 32px;
    /* Larger padding */
    border-radius: 9999px;
    font-weight: 700;
    /* Bolder text */
    font-size: 1.1rem;
    /* Larger font */
    transition: transform 0.2s ease, background-color 0.2s ease;
}

.cta-button:hover {
    background-color: var(--accent-hover);
    transform: scale(1.05);
}

.cta-button.large {
    padding: 20px 56px;
    /* Even larger for hero */
    font-size: 1.5rem;
}

/* Header */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: var(--nav-height);
    background-color: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    z-index: 1000;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    display: flex;
    align-items: center;
}

.header-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
}

.logo {
    font-size: 1.25rem;
    font-weight: 700;
    letter-spacing: -0.02em;
}

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

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

.nav-list a {
    font-size: 0.9rem;
    color: var(--text-secondary);
    font-weight: 500;
}

.nav-list a:hover {
    color: var(--text-primary);
}

.header-cta {
    padding: 8px 16px;
    font-size: 0.9rem;
}

.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    flex-direction: column;
    gap: 6px;
}

.mobile-menu-btn span {
    display: block;
    width: 24px;
    height: 2px;
    background-color: var(--text-primary);
}

/* Hero */
.hero {
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding-top: var(--nav-height);
    position: relative;
    overflow: hidden;
}

.hero-small {
    height: 60vh;
    min-height: 400px;
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at center, #222 0%, #000 70%);
    z-index: -1;
}

.hero-subtitle {
    margin-top: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.hero-actions {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-sm);
}

.availability {
    font-size: 0.875rem;
    color: #4ade80;
    /* Green for availability */
    font-weight: 500;
}

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

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

.card {
    background-color: var(--bg-secondary);
    padding: var(--spacing-md);
    border-radius: 24px;
    border: 1px solid var(--border-color);
    transition: transform 0.3s ease, border-color 0.3s ease;
}

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

/* Why Us */
.split-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
    align-items: center;
}

.feature-list li {
    display: flex;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
}

.service-image {
    width: 100%;
    height: auto;
    max-height: 350px;
    /* Reduced height */
    object-fit: cover;
    border-radius: 24px;
    border: 1px solid var(--border-color);
}

/* Footer */
.footer {
    padding: var(--spacing-lg) 0;
    border-top: 1px solid var(--border-color);
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: var(--spacing-lg);
}

.footer-links {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    text-align: right;
}

.footer-bottom {
    text-align: center;
    font-size: 0.875rem;
    color: var(--text-secondary);
}

/* Sticky Mobile CTA */
.sticky-mobile-cta {
    position: fixed;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    width: 90%;
    max-width: 400px;
    background-color: var(--accent);
    color: #000000;
    padding: 16px;
    border-radius: 9999px;
    text-align: center;
    font-weight: 700;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
    z-index: 999;
    display: none;
    /* Hidden by default on desktop */
}

/* Mobile Menu */
.mobile-menu {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    background-color: var(--bg-color);
    z-index: 999;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease;
}

.mobile-menu.active {
    opacity: 1;
    pointer-events: all;
}

.mobile-menu nav {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
    text-align: center;
}

.mobile-menu a {
    font-size: 2rem;
    font-weight: 700;
}

.mobile-cta {
    color: #4ade80 !important;
}

/* Animations */
.fade-in {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in-up {
    opacity: 0;
    transform: translateY(40px);
    animation: fadeInUp 0.8s ease forwards;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

.delay-1 {
    transition-delay: 0.1s;
    animation-delay: 0.1s;
}

.delay-2 {
    transition-delay: 0.2s;
    animation-delay: 0.2s;
}

@keyframes fadeInUp {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Responsive */
@media (max-width: 768px) {
    .section {
        padding: var(--spacing-lg) 0;
        /* More breathing room on mobile */
    }

    .nav {
        display: none;
    }

    .header-cta {
        display: none;
    }

    .mobile-menu-btn {
        display: flex;
    }

    .sticky-mobile-cta {
        display: block;
    }

    h1 {
        font-size: 3rem;
    }

    .split-layout {
        grid-template-columns: 1fr;
    }

    .footer-content {
        flex-direction: column;
        gap: var(--spacing-md);
    }

    .footer-links {
        text-align: left;
    }
}