:root {
    --primary-color: #0ea5e9;
    /* Sky 500 - Bright Blue/Cyan */
    --primary-dark: #0284c7;
    /* Sky 600 */
    --secondary-color: #f8fafc;
    /* Slate 50 - Light text for headings */
    --accent-color: #38bdf8;
    /* Sky 400 */
    --background-color: #0f172a;
    /* Slate 900 - Dark background */
    --surface-color: #1e293b;
    /* Slate 800 - Card background */
    --text-color: #e2e8f0;
    /* Slate 200 - Main text */
    --text-light: #94a3b8;
    /* Slate 400 - Muted text */
    --white: #ffffff;
    --success: #10b981;
    --error: #ef4444;
    --font-family: 'Outfit', sans-serif;
    --transition: all 0.3s ease;
    --shadow: 0 4px 6px -1px rgb(0 0 0 / 0.5), 0 2px 4px -2px rgb(0 0 0 / 0.3);
    --shadow-hover: 0 10px 15px -3px rgb(0 0 0 / 0.5), 0 4px 6px -4px rgb(0 0 0 / 0.3);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family);
    background-color: var(--background-color);
    color: var(--text-color);
    line-height: 1.6;
}

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

/* Header */
.header {
    background-color: rgba(15, 23, 42, 0.9);
    /* Dark background with opacity */
    backdrop-filter: blur(10px);
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    box-shadow: 0 1px 3px 0 rgb(0 0 0 / 0.3);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

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

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--white);
    text-decoration: none;
    letter-spacing: -0.025em;
}

.logo span {
    color: var(--primary-color);
}

.nav-list {
    display: flex;
    gap: 2rem;
    list-style: none;
    align-items: center;
}

.nav-list a {
    text-decoration: none;
    color: var(--text-color);
    font-weight: 500;
    transition: var(--transition);
}

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

/* Buttons */
.btn-primary {
    background-color: var(--primary-color);
    color: var(--white);
    padding: 0.75rem 1.5rem;
    border-radius: 0.5rem;
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition);
    border: none;
    cursor: pointer;
    display: inline-block;
}

.btn-primary:hover {
    background-color: var(--primary-dark);
    transform: translateY(-1px);
    box-shadow: 0 0 15px rgba(14, 165, 233, 0.4);
}

.btn-secondary {
    background-color: transparent;
    color: var(--primary-color);
    padding: 0.75rem 1.5rem;
    border-radius: 0.5rem;
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition);
    border: 1px solid var(--primary-color);
    display: inline-block;
}


.btn-submit:hover {
    background-color: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 0 20px rgba(14, 165, 233, 0.3);
}

/* Hero Section */
.hero {
    padding: 160px 0 100px;
    background: radial-gradient(circle at top right, #1e293b 0%, #0f172a 100%);
    text-align: center;
    position: relative;
    overflow: hidden;
}

/* Subtle glow effect in hero */
.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -20%;
    width: 80%;
    height: 200%;
    background: radial-gradient(circle, rgba(14, 165, 233, 0.1) 0%, transparent 60%);
    z-index: 0;
    pointer-events: none;
}

.hero-content {
    position: relative;
    z-index: 1;
}

.hero h1 {
    font-size: 3.5rem;
    line-height: 1.2;
    margin-bottom: 1.5rem;
    color: var(--white);
    font-weight: 700;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
}

.hero p {
    font-size: 1.25rem;
    color: var(--text-light);
    max-width: 700px;
    margin: 0 auto 2.5rem;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
}

/* Services Section */
.services {
    padding: 100px 0;
    background-color: #0b1120;
    /* Slightly darker than main bg */
}

.section-title {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 4rem;
    color: var(--white);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.service-card {
    background-color: var(--surface-color);
    padding: 2.5rem;
    border-radius: 1rem;
    box-shadow: var(--shadow);
    transition: var(--transition);
    border: 1px solid rgba(255, 255, 255, 0.05);
}

.service-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-hover);
    border-color: var(--primary-color);
    background-color: #263346;
}

.service-card .icon {
    font-size: 3rem;
    margin-bottom: 1.5rem;
}

.service-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--white);
}

.service-card p {
    color: var(--text-light);
}

/* Contact Section */
.contact {
    padding: 100px 0;
    background-color: var(--background-color);
}

.contact-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: start;
}

.contact-info h3 {
    font-size: 1.75rem;
    margin-bottom: 1.5rem;
    color: var(--white);
}

.contact-info p {
    margin-bottom: 1rem;
    color: var(--text-light);
    font-size: 1.1rem;
}

.contact-form {
    background-color: var(--surface-color);
    padding: 2.5rem;
    border-radius: 1rem;
    box-shadow: var(--shadow);
    border: 1px solid rgba(255, 255, 255, 0.05);
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
    color: var(--text-color);
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 0.75rem 1rem;
    background-color: #0f172a;
    border: 1px solid #334155;
    border-radius: 0.5rem;
    font-family: var(--font-family);
    font-size: 1rem;
    color: var(--white);
    transition: var(--transition);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(14, 165, 233, 0.2);
}

font-weight: 500;
}

.alert.success {
    background-color: rgba(16, 185, 129, 0.2);
    color: #34d399;
    border: 1px solid rgba(16, 185, 129, 0.3);
}

.alert.error {
    background-color: rgba(239, 68, 68, 0.2);
    color: #f87171;
    border: 1px solid rgba(239, 68, 68, 0.3);
}

/* Footer */
.footer {
    background-color: #020617;
    /* Very dark footer */
    color: var(--text-light);
    padding: 2rem 0;
    text-align: center;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

/* Responsive */
@media (max-width: 768px) {
    .hero h1 {
        font-size: 2.5rem;
    }

    .contact-wrapper {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .nav-list {
        display: none;
        /* Simple mobile menu handling for now */
    }
}