/* Light mode (default) */
:root {
    --background: #f8f9fa;       /* Soft off-white */
    --surface: #ffffff;          /* Pure white */
    --text: #212529;             /* Dark gray for readability */
    --text-secondary: #6c757d;   /* Muted gray */
    --primary: #ff4d4d;          /* Softer red (less harsh than #F30200) */
    --primary-dark: #e63946;     /* Darker red for depth */
    --secondary: #4361ee;        /* Modern electric blue */
    --accent: #ffb703;           /* Warmer mustard gold */
    --accent-dark: #fb8500;      /* Darker gold for contrast */
    --shadow: 0 4px 6px rgba(0, 0, 0, 0.05);  /* Lighter shadow */
    --transition: all 0.3s ease;
    --border-radius: 8px;        /* Rounded corners */
}

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

body {
    font-family: 'Inter', 'Segoe UI', system-ui, sans-serif;
    background-color: var(--background);
    color: var(--text);
    line-height: 1.6;
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1rem;
}

/* Header */
.header {
    position: sticky;
    top: 0;
    background-color: var(--surface);
    box-shadow: var(--shadow);
    z-index: 100;
    transition: var(--transition);
}

.header .container {
    display: flex;
    flex-direction: column; /* Stack logo and nav vertically on small screens */
    align-items: center;
    padding: 1rem;
}

.logo {
    margin-bottom: 0.5rem; /* Space between logo and nav */
}

.logo h1 {
    font-weight: 700;
    font-size: 1.5rem;
    background: linear-gradient(90deg, var(--primary), var(--secondary));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    text-align: center; /* Center the logo */
    width: 100%; /* Ensure full width for centering */
}

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

.nav {
    width: 100%; /* Full width for horizontal links */
    display: flex;
    justify-content: center; /* Center the nav links */
    gap: 1rem; /* Space between links */
}

.nav a {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition);
    position: relative;
    padding: 0.5rem 0;
    white-space: nowrap; /* Prevent text wrapping */
}

.nav a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--primary);
    transition: var(--transition);
}

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

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

/* Hero Section */
.hero {
    background: linear-gradient(135deg, rgba(230, 57, 70, 0.1), rgba(67, 97, 238, 0.1));
    color: var(--text);
    text-align: center;
    padding: 5rem 0;
}

.hero h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    color: var(--secondary);
}

.hero p {
    font-size: 1.2rem;
    max-width: 700px;
    margin: 0 auto 2rem;
    color: var(--text-secondary);
}

.btn {
    display: inline-block;
    background-color: var(--accent);
    color: var(--surface);
    padding: 0.75rem 1.5rem;
    border-radius: var(--border-radius);
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition);
    box-shadow: var(--shadow);
}

.btn:hover {
    background-color: var(--accent-dark);
    transform: translateY(-2px);
    box-shadow: 0 6px 12px rgba(0, 0, 0, 0.1);
}

section {
    scroll-margin-top: 200px;
}

/* Services Section */
.services {
    padding: 4rem 0;
    text-align: center;
}

.services h2 {
    margin-bottom: 2rem;
    color: var(--secondary);
    font-size: 2rem;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.service-card {
    background-color: var(--surface);
    border-radius: var(--border-radius);
    padding: 2rem;
    box-shadow: var(--shadow);
    transition: var(--transition);
    border: 1px solid rgba(0, 0, 0, 0.05);
}

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

.service-card .icon {
    font-size: 2.5rem;
    color: var(--primary);
    margin-bottom: 1rem;
}

.service-card h3 {
    margin-bottom: 1rem;
    color: var(--secondary);
}

/* About Section */
.about {
    padding: 4rem 0;
    background-color: var(--surface);
}

.about h2 {
    text-align: center;
    margin-bottom: 2rem;
    color: var(--secondary);
}

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

.about-text p {
    margin-bottom: 1rem;
    color: var(--text-secondary);
}

/* Contact Section */
.contact {
    padding: 4rem 0;
    text-align: center;
}

.contact h2 {
    margin-bottom: 1rem;
    color: var(--secondary);
}

.contact-info {
    display: flex;
    justify-content: center;
    gap: 2rem;
    margin-top: 2rem;
    flex-wrap: wrap;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    color: var(--text);
}

.contact-item i {
    color: var(--primary);
    font-size: 1.2rem;
}

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

.contact-item a:hover {
    color: var(--primary);
}

/* Footer */
.footer {
    background-color: var(--surface);
    text-align: center;
    padding: 2rem 0;
    margin-top: 2rem;
    border-top: 1px solid rgba(0, 0, 0, 0.05);
}

/* Responsive Design */
@media (max-width: 768px) {
    .hero h2 {
        font-size: 2rem;
    }

    .hero p {
        font-size: 1rem;
    }

    .contact-info {
        flex-direction: column;
        gap: 1rem;
    }
    .nav {
        flex-wrap: wrap; /* Allow wrapping if needed (unlikely due to `nowrap`) */
        justify-content: center; /* Keep centered */
    }
}