/* Google Fonts Import */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Poppins:wght@300;400;500;600;700;800&display=swap');

:root {
    --bg-primary: #f5f6f7;
    --bg-secondary: #ffffff;
    --bg-card: #ffffff;

    --text-primary: #0f1724;
    --text-secondary: #777b83;
    /* Muted */
    --text-muted: #9ca3af;

    --accent-primary: #0f1724;
    --accent-hover: #2d3748;
    --accent-glow: rgba(15, 23, 36, 0.1);

    --accent-secondary: #8b5cf6;
    /* Keep violet for subtle accents if needed, or switch to a blue */

    --border-color: #e2e8f0;

    /* Typography */
    --font-heading: 'Poppins', sans-serif;
    --font-body: 'Inter', sans-serif;

    /* Spacing */
    --container-padding: 2rem;
    --max-width: 1200px;

    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-medium: 0.3s ease;

    /* Pattern */
    --dot-size: 4px;
    --dot-gap: 28px;
}

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

html {
    scroll-behavior: smooth;
}

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

    /* Dotted Background Pattern */
    background-image: radial-gradient(circle,
            rgba(0, 0, 0, 0.06) var(--dot-size),
            transparent var(--dot-size));
    background-size: var(--dot-gap) var(--dot-gap);
}

h1,
h2,
h3,
h4,
h5,
h6 {
    font-family: var(--font-heading);
    font-weight: 700;
    line-height: 1.2;
    color: var(--text-primary);
    letter-spacing: -0.02em;
    margin-bottom: 1rem;
}

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

ul {
    list-style: none;
}

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

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

.section {
    padding: 6rem 0;
}

.text-center {
    text-align: center;
}

.text-gradient {
    background: linear-gradient(to right, #0f1724, #4a5568);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

/* Buttons - Premium Light */
.btn {
    display: inline-block;
    padding: 0.8rem 1.8rem;
    border-radius: 50px;
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    transition: var(--transition-medium);
    border: 1px solid transparent;
}

.btn-primary {
    background-color: var(--text-primary);
    color: #ffffff;
    box-shadow: 0 4px 14px var(--accent-glow);
}

.btn-primary:hover {
    background-color: var(--accent-hover);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px var(--accent-glow);
}

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

.btn-outline:hover {
    border-color: var(--text-primary);
    background-color: rgba(15, 23, 36, 0.05);
}

/* Navbar - Glassmorphism Light */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background-color: rgba(245, 246, 247, 0.8);
    backdrop-filter: blur(12px);
    z-index: 1000;
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
    padding: 1.2rem 0;
}

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

.logo {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--text-primary);
    letter-spacing: -0.5px;
}

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

.nav-link {
    color: var(--text-secondary);
    font-size: 0.95rem;
    font-weight: 500;
}

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

.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    color: var(--text-primary);
    font-size: 1.5rem;
    cursor: pointer;
}

/* Hero Section */
.hero {
    padding: 12rem 0 8rem;
    min-height: auto;
    display: block;
    position: relative;
    overflow: hidden;
}

/* Subtle background glow for light mode */
.hero::before {
    content: '';
    position: absolute;
    top: -20%;
    left: 50%;
    transform: translateX(-50%);
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(139, 92, 246, 0.05) 0%, transparent 70%);
    z-index: -1;
    filter: blur(80px);
    pointer-events: none;
}

.hero-content {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.hero-subtitle {
    color: var(--accent-secondary);
    font-weight: 600;
    letter-spacing: 2px;
    text-transform: uppercase;
    font-size: 0.8rem;
    margin-bottom: 1.5rem;
    display: inline-block;
    border: 1px solid rgba(139, 92, 246, 0.2);
    padding: 0.4rem 1rem;
    border-radius: 20px;
    background: rgba(139, 92, 246, 0.05);
}

.hero-title {
    font-size: 4rem;
    margin-bottom: 1.5rem;
    color: var(--text-primary);
    line-height: 1.1;
    font-weight: 800;
    /* Extra bold for Poppins */
}

.hero-description {
    font-size: 1.2rem;
    color: var(--text-secondary);
    margin-bottom: 3rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.7;
}

.hero-cta {
    display: flex;
    gap: 1.5rem;
    justify-content: center;
}

/* Services Grid - Light Cards */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2rem;
    margin-top: 4rem;
}

.service-card {
    background-color: var(--bg-card);
    padding: 2.5rem;
    border-radius: 16px;
    border: 1px solid var(--border-color);
    transition: var(--transition-medium);
    position: relative;
    overflow: hidden;
    box-shadow: 0 6px 20px rgba(10, 12, 16, 0.06);
    /* Requested card shadow */
}

/* Hover Effect */
.service-card:hover {
    transform: translateY(-5px);
    border-color: var(--accent-secondary);
    box-shadow: 0 10px 30px rgba(10, 12, 16, 0.1);
}

.service-icon {
    font-size: 2rem;
    margin-bottom: 1.5rem;
    color: var(--text-primary);
    background: rgba(15, 23, 36, 0.03);
    width: 64px;
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 12px;
    border: 1px solid var(--border-color);
}

.service-title {
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

.service-desc {
    color: var(--text-secondary);
    font-size: 1rem;
    margin-bottom: 2rem;
}

.service-link {
    color: var(--text-primary);
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1rem;
}

.service-link:hover {
    gap: 0.8rem;
    color: var(--accent-secondary);
}

/* Footer */
.footer {
    background-color: #ffffff;
    padding: 5rem 0 2rem;
    margin-top: 6rem;
    border-top: 1px solid var(--border-color);
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 4rem;
    margin-bottom: 4rem;
}

.footer-col h4 {
    margin-bottom: 1.5rem;
    font-size: 1.1rem;
    color: var(--text-primary);
}

.footer-links li {
    margin-bottom: 1rem;
}

.footer-links a {
    color: var(--text-secondary);
    transition: color 0.2s;
}

.footer-links a:hover {
    color: var(--text-primary);
}

.copyright {
    text-align: center;
    color: var(--text-muted);
    padding-top: 2rem;
    border-top: 1px solid var(--border-color);
    font-size: 0.9rem;
}

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

    .nav-links {
        display: none;
    }

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

    .hero-cta {
        flex-direction: column;
    }

    .btn {
        width: 100%;
        text-align: center;
    }
}