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

:root {
    --bg-dark: #121212;
    --bg-light: #f9f9f9;
    --accent-blue: #2ea3f2;
    --text-white: #ffffff;
    --text-dark: #333333;
    --header-height: 80px;
    --transition: all 0.3s ease;
}

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

body {
    font-family: 'Inter', sans-serif;
    line-height: 1.6;
    color: var(--text-dark);
    background-color: var(--bg-light);
    overflow-x: hidden;
}

h1,
h2,
h3 {
    font-family: 'Montserrat', sans-serif;
    font-weight: 700;
}

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

ul {
    list-style: none;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* Header & Nav */
header {
    height: var(--header-height);
    background: rgba(18, 18, 18, 0.95);
    backdrop-filter: blur(10px);
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
    display: flex;
    align-items: center;
    color: var(--text-white);
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
}

.logo img {
    height: 50px;
}

.nav-links {
    display: flex;
    gap: 2rem;
}

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

/* Hero Section */
.hero {
    height: 100vh;
    background-color: var(--bg-dark);
    background: linear-gradient(rgba(0, 0, 0, 0.7), rgba(0, 0, 0, 0.7)), url('hero-bg.jpg') center/cover no-repeat, linear-gradient(135deg, #1a1a1a 0%, #000000 100%);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    color: var(--text-white);
    padding-top: var(--header-height);
}

/* Fallback for background image */
.hero:not([style*="background"]) {
    background-color: var(--bg-dark);
}

.hero h1 {
    font-size: 4rem;
    margin-bottom: 1rem;
    letter-spacing: -1px;
}

.hero p {
    font-size: 1.5rem;
    max-width: 800px;
    margin-bottom: 2rem;
    font-weight: 300;
}

.btn {
    padding: 1rem 2.5rem;
    border-radius: 50px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    border: none;
    cursor: pointer;
}

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

.btn-primary:hover {
    background-color: #1a88d6;
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(46, 163, 242, 0.3);
}

/* Sections */
section {
    padding: 5rem 0;
}

.section-title {
    text-align: center;
    margin-bottom: 4rem;
}

.section-title h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    position: relative;
    display: inline-block;
}

.section-title h2::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background-color: var(--accent-blue);
}

/* Services Grid */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.service-card {
    background: white;
    padding: 2.5rem;
    border-radius: 15px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    text-align: center;
    transition: var(--transition);
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
}

.service-card i {
    font-size: 3rem;
    color: var(--accent-blue);
    margin-bottom: 1.5rem;
    display: block;
}

/* Dark Section */
.bg-dark-section {
    background-color: var(--bg-dark);
    color: var(--text-white);
}

/* Footer */
footer {
    background-color: #0c0c0c;
    color: var(--text-white);
    padding: 4rem 0 2rem;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 3rem;
    margin-bottom: 3rem;
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    font-size: 0.9rem;
    color: #888;
}

/* Media Query */
@media (max-width: 768px) {
    .mobile-menu-btn {
        display: block !important;
        cursor: pointer;
        font-size: 1.5rem;
    }

    .nav-links {
        display: none;
        flex-direction: column;
        position: absolute;
        top: var(--header-height);
        left: 0;
        width: 100%;
        background: rgba(18, 18, 18, 0.98);
        padding: 2rem;
        gap: 1.5rem;
        text-align: center;
        border-top: 1px solid rgba(255, 255, 255, 0.1);
    }

    .nav-links.active {
        display: flex;
    }

    .hero h1 {
        font-size: 2.5rem;
    }
}