:root {
    --primary-color: #0F172A;
    /* Deep Blue */
    --secondary-color: #3B82F6;
    /* Electric Blue */
    --accent-color: #0EA5E9;
    /* Sky Blue */
    --text-color: #334155;
    /* Slate 700 */
    --text-light: #F8FAFC;
    /* Slate 50 */
    --background-color: #FFFFFF;
    --background-alt: #F1F5F9;
    /* Slate 100 */
    --border-color: #E2E8F0;
    --font-main: 'Inter', sans-serif;
    --transition: all 0.3s ease;
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
}

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

html {
    scroll-behavior: smooth;
}

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

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

ul {
    list-style: none;
}

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

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

.relative-container {
    position: relative;
    z-index: 2;
}

.btn {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    border-radius: 0.375rem;
    font-weight: 600;
    cursor: pointer;
    text-align: center;
    border: none;
    transition: var(--transition);
}

.btn-primary {
    background-color: var(--secondary-color);
    color: var(--text-light);
}

.btn-primary:hover {
    background-color: #2563EB;
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(59, 130, 246, 0.4);
}

.section-title {
    font-size: 2.25rem;
    font-weight: 700;
    color: var(--primary-color);
    text-align: center;
    margin-bottom: 1rem;
}

.section-subtitle {
    text-align: center;
    color: #64748B;
    max-width: 600px;
    margin: 0 auto 3rem;
    font-size: 1.1rem;
}

/* Header */
header {
    background-color: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 1000;
    padding: 1rem 0;
}

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

.logo {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--primary-color);
    letter-spacing: -0.025em;
    z-index: 1001;
}

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

.nav-links a {
    font-weight: 500;
    color: var(--text-color);
    position: relative;
}

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

.nav-links a::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    bottom: -4px;
    left: 0;
    background-color: var(--secondary-color);
    transition: width 0.3s ease;
}

.nav-links a:hover::after {
    width: 100%;
}

/* Mobile Nav Toggle */
.nav-toggle {
    display: none;
}

.nav-toggle-label {
    display: none;
    cursor: pointer;
    font-size: 1.5rem;
    color: var(--primary-color);
    z-index: 1001;
}

/* Hero Section */
.hero {
    position: relative;
    color: var(--text-light);
    padding: 10rem 0 8rem;
    text-align: center;
    overflow: hidden;
}

.hero-bg, .contact-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
}

.bg-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(15, 23, 42, 0.9) 0%, rgba(30, 41, 59, 0.8) 100%);
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 800px;
    margin: 0 auto;
}

.hero h1 {
    font-size: 3.5rem;
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 1.5rem;
    background: linear-gradient(to right, #60A5FA, #A78BFA);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    text-shadow: 0 4px 8px rgba(0,0,0,0.1);
}

.hero p {
    font-size: 1.25rem;
    color: #e2e8f0;
    margin-bottom: 2.5rem;
}

/* Services */
.services {
    padding: 6rem 0;
    background-color: var(--background-alt);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2.5rem;
}

.service-card {
    background: var(--background-color);
    border-radius: 1rem;
    box-shadow: var(--shadow-md);
    transition: var(--transition);
    border: 1px solid var(--border-color);
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

.service-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
}

.service-image {
    width: 100%;
    height: 200px;
    overflow: hidden;
    position: relative;
}

.service-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.service-card:hover .service-image img {
    transform: scale(1.05);
}

.service-content {
    padding: 2rem;
    flex: 1;
}

.service-icon {
    width: 48px;
    height: 48px;
    background-color: #EFF6FF;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
    color: var(--secondary-color);
    font-size: 1.25rem;
}

.service-card h3 {
    font-size: 1.5rem;
    margin-bottom: 0.75rem;
    color: var(--primary-color);
}

.service-card p {
    color: #64748B;
    font-size: 1rem;
}

/* Contact */
.contact {
    position: relative;
    padding: 8rem 0;
    color: var(--text-light);
    overflow: hidden;
}

.contact .overlay {
    background: rgba(15, 23, 42, 0.95);
}

.contact-container {
    display: flex;
    flex-wrap: wrap;
    gap: 4rem;
    justify-content: space-between;
    position: relative;
    z-index: 2;
}

.contact-info {
    flex: 1;
    min-width: 300px;
}

.contact-info h2 {
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
}

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: 1.25rem;
    margin-bottom: 2rem;
}

.contact-icon {
    color: var(--accent-color);
    margin-top: 5px;
    background: rgba(255,255,255,0.05);
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
}

.contact-form {
    flex: 1;
    min-width: 300px;
    background: rgba(255, 255, 255, 0.05);
    padding: 2.5rem;
    border-radius: 1.5rem;
    border: 1px solid rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(5px);
}

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

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-size: 0.95rem;
    color: #cbd5e1;
    font-weight: 500;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 0.875rem;
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 0.5rem;
    color: var(--text-light);
    font-family: inherit;
    font-size: 1rem;
    transition: var(--transition);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--secondary-color);
    background: rgba(255, 255, 255, 0.12);
}

/* Footer */
footer {
    background-color: #020617;
    color: #94A3B8;
    padding: 4rem 0 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

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

.footer-logo {
    color: var(--text-light);
    font-weight: 700;
    font-size: 1.25rem;
    margin-bottom: 1rem;
    display: block;
}

.footer-links h4 {
    color: var(--text-light);
    margin-bottom: 1.25rem;
    font-size: 1.1rem;
}

.footer-links ul li {
    margin-bottom: 0.75rem;
}

.footer-links a:hover {
    color: var(--secondary-color);
    padding-left: 5px;
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    font-size: 0.875rem;
}

/* Responsive */
@media (max-width: 991px) {
    .hero h1 {
        font-size: 3rem;
    }
}

@media (max-width: 768px) {
    .container {
        padding: 0 1.5rem;
    }

    /* Mobile Nav */
    .nav-toggle-label {
        display: block;
        padding: 0.5rem;
        cursor: pointer;
    }

    .nav-menu {
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background-color: #ffffff;
        border-top: 1px solid var(--border-color);
        border-bottom: 1px solid var(--border-color);
        transform: scaleY(0);
        transform-origin: top;
        transition: transform 0.3s ease-in-out;
        box-shadow: var(--shadow-lg);
    }
    
    .nav-links {
        flex-direction: column;
        gap: 0;
        padding: 1rem 0;
    }

    .nav-links li {
        width: 100%;
    }

    .nav-links a {
        display: block;
        padding: 0.75rem 2rem;
        width: 100%;
        color: var(--primary-color);
    }

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

    /* Toggle Logic */
    .nav-toggle:checked ~ .nav-menu {
        transform: scaleY(1);
    }

    /* Hero */
    .hero {
        padding: 8rem 0 5rem;
    }

    .hero h1 {
        font-size: 2.25rem;
    }

    .section-title {
        font-size: 1.75rem;
    }

    /* Contact */
    .contact-container {
        flex-direction: column;
        gap: 3rem;
    }
    
    .contact-form {
        padding: 1.5rem;
    }
}

@media (max-width: 480px) {
    .hero h1 {
        font-size: 1.75rem;
    }
    
    .services-grid {
        grid-template-columns: 1fr;
    }
}