:root {
    --bg-primary: #0f172a; /* Slate 900 */
    --bg-secondary: #1e293b; /* Slate 800 */
    --text-primary: #f8fafc; /* Slate 50 */
    --text-secondary: #94a3b8; /* Slate 400 */
    --accent-primary: #14b8a6; /* Teal 500 */
    --accent-hover: #0d9488; /* Teal 600 */
    --accent-glow: rgba(20, 184, 166, 0.2);
    --border-color: #334155; /* Slate 700 */
    --container-width: 1200px;
    --header-height: 80px;
    --transition: all 0.3s ease;
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

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

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

ul {
    list-style: none;
}

.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 1.5rem;
}

/* Header */
header {
    height: var(--header-height);
    background-color: rgba(15, 23, 42, 0.8);
    backdrop-filter: blur(10px);
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    border-bottom: 1px solid var(--border-color);
}

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

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    letter-spacing: -0.02em;
}

.dot {
    color: var(--accent-primary);
}

nav ul {
    display: flex;
    gap: 2rem;
    align-items: center;
}

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

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

.btn-primary {
    display: inline-block;
    background-color: var(--accent-primary);
    color: var(--bg-primary);
    padding: 0.75rem 1.5rem;
    border-radius: 6px;
    font-weight: 600;
    border: none;
    cursor: pointer;
    transition: var(--transition);
}

.btn-primary:hover {
    background-color: var(--accent-hover);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px var(--accent-glow);
}

/* Hero Section */
#hero {
    padding: 160px 0 100px;
    min-height: 80vh;
    display: flex;
    align-items: center;
    position: relative;
    background: radial-gradient(circle at top right, rgba(20, 184, 166, 0.1), transparent 40%);
}

.hero-content {
    max-width: 800px;
}

h1 {
    font-size: 3.5rem;
    line-height: 1.1;
    font-weight: 800;
    margin-bottom: 1.5rem;
    background: linear-gradient(to right, #fff, #94a3b8);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.subtitle {
    font-size: 1.25rem;
    color: var(--text-secondary);
    margin-bottom: 2.5rem;
    max-width: 600px;
}

.cta-group {
    display: flex;
    gap: 1rem;
}

.btn-secondary {
    display: inline-block;
    background-color: transparent;
    color: var(--text-primary);
    padding: 0.75rem 1.5rem;
    border-radius: 6px;
    font-weight: 600;
    border: 1px solid var(--border-color);
    cursor: pointer;
}

.btn-secondary:hover {
    border-color: var(--text-secondary);
    background-color: rgba(255, 255, 255, 0.05);
}

/* Services Section */
#services {
    padding: 100px 0;
    background-color: var(--bg-primary);
}

.section-header {
    margin-bottom: 4rem;
}

h2 {
    font-size: 2.25rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.section-header p {
    color: var(--text-secondary);
    font-size: 1.1rem;
}

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

.card {
    background-color: var(--bg-secondary);
    padding: 2.5rem;
    border-radius: 12px;
    border: 1px solid var(--border-color);
    transition: var(--transition);
}

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

.icon {
    width: 48px;
    height: 48px;
    margin-bottom: 1.5rem;
    color: var(--accent-primary);
}

.card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    font-weight: 600;
}

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

/* About Section */
#about {
    padding: 100px 0;
    background-color: var(--bg-secondary);
    border-top: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
}

.about-content {
    max-width: 800px;
}

/* Contact Section */
#contact {
    padding: 100px 0;
}

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

.contact-info h2 {
    margin-bottom: 1rem;
}

.contact-info p {
    color: var(--text-secondary);
    margin-bottom: 3rem;
}

.contact-details {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.detail-item strong {
    display: block;
    margin-bottom: 0.25rem;
    color: var(--text-primary);
}

.detail-item span {
    color: var(--text-secondary);
}

.contact-form {
    background-color: var(--bg-secondary);
    padding: 2.5rem;
    border-radius: 12px;
    border: 1px solid var(--border-color);
}

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

label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
    font-size: 0.9rem;
}

input, textarea {
    width: 100%;
    padding: 0.75rem 1rem;
    background-color: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    color: var(--text-primary);
    font-family: inherit;
    font-size: 1rem;
    transition: var(--transition);
}

input:focus, textarea:focus {
    outline: none;
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 2px var(--accent-glow);
}

.w-full {
    width: 100%;
}

/* Footer */
footer {
    padding: 4rem 0;
    border-top: 1px solid var(--border-color);
    background-color: var(--bg-primary);
}

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

.footer-logo {
    font-weight: 700;
    font-size: 1.25rem;
    display: block;
    margin-bottom: 0.5rem;
}

.brand p {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.social-links {
    display: flex;
    gap: 1.5rem;
}

.social-links a {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.social-links a:hover {
    color: var(--accent-primary);
}

/* Responsive */
@media (max-width: 768px) {
    h1 {
        font-size: 2.5rem;
    }
    
    .contact-wrapper {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .footer-content {
        flex-direction: column;
        gap: 2rem;
        text-align: center;
    }
    
    nav ul {
        display: none; /* Mobile menu not implemented for this simplified demo */
    }
    
    /* Add a simple hamburger placeholder or just hide links on mobile for now */
}

/* WhatsApp Float */
.whatsapp-float {
    position: fixed;
    bottom: 40px;
    right: 40px;
    background-color: #25d366;
    color: white;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 12px rgba(0,0,0,0.3);
    z-index: 1001;
    transition: all 0.3s ease;
}

.whatsapp-float:hover {
    transform: translateY(-5px);
    box-shadow: 0 6px 16px rgba(37, 211, 102, 0.4);
}