:root {
    --primary-color: #0f172a;
    --secondary-color: #1e293b;
    --accent-color: #eab308;
    --text-light: #f8fafc;
    --text-dark: #334155;
    --transition: all 0.3s ease;
}

/* --- RESET & GLOBAL --- */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

body {
    line-height: 1.6;
    color: var(--text-dark);
    scroll-behavior: smooth;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

h1, h2, h3, h4 {
    font-weight: 700;
}

.section-title {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 1rem;
    color: var(--primary-color);
}

.section-subtitle {
    text-align: center;
    color: #64748b;
    margin-bottom: 3rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

/* --- HEADER --- */
header {
    background: var(--primary-color);
    color: var(--text-light);
    padding: 1rem 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 10px rgba(0,0,0,0.3);
}

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

.logo {
    font-size: 1.3rem;
    font-weight: bold;
    display: flex;
    align-items: center;
    gap: 10px;
}

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

/* NAV LINKS */
.nav-links {
    list-style: none;
    display: flex;
    gap: 2rem;
}

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

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

/* HAMBURGER MENU */
.menu-toggle {
    display: none;
    cursor: pointer;
    font-size: 1.8rem;
    color: var(--text-light);
}

/* --- CONTACT SECTION --- */
.contact {
    padding: 4rem 0;
    background: #f1f5f9;
}

.contact-wrapper {
    display: flex;
    flex-wrap: wrap;
    gap: 3rem;
    justify-content: space-between;
}

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

/* Contact Info Items */
.contact-info-item {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.contact-info-item i {
    background: var(--accent-color);
    color: var(--primary-color);
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 1.2rem;
}

.contact-info-item h4 {
    margin-bottom: 0.3rem;
    color: var(--primary-color);
}

/* Contact Form */
.form-box {
    background: white;
    padding: 2rem;
    border-radius: 8px;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
}

.form-group {
    margin-bottom: 1.2rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.4rem;
    font-weight: 600;
    color: var(--secondary-color);
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid #cbd5e1;
    border-radius: 4px;
    transition: var(--transition);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--accent-color);
    box-shadow: 0 0 5px rgba(234, 179, 8, 0.5);
}

.submit-btn {
    background: var(--primary-color);
    color: white;
    padding: 1rem;
    border-radius: 4px;
    cursor: pointer;
    width: 100%;
    border: none;
    font-size: 1rem;
    transition: var(--transition);
}

.submit-btn:hover {
    background: #2d3748;
}

/* --- FOOTER --- */
footer {
    background: var(--primary-color);
    color: #94a3b8;
    text-align: center;
    padding: 2rem 0;
    font-size: 0.9rem;
}

/* --- RESPONSIVE --- */
@media (max-width: 768px) {
    /* Stack contact wrapper */
    .contact-wrapper {
        flex-direction: column;
    }

    /* Shrink logo */
    .logo {
        font-size: 1rem;
    }

    /* Mobile nav menu */
    .nav-links {
        display: none;
        flex-direction: column;
        background: var(--primary-color);
        position: absolute;
        top: 70px;
        right: 20px;
        width: 200px;
        padding: 1rem;
        border-radius: 10px;
        box-shadow: 0 5px 15px rgba(0,0,0,0.25);
        gap: 1rem;
    }

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

    .nav-links li {
        text-align: center;
    }

    .nav-links a {
        display: block;
        font-size: 1rem;
        color: var(--text-light);
    }

    .menu-toggle {
        display: block;
    }
}