/* Reset and base styles */
* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}
body {
    font-family: 'Segoe UI', Arial, sans-serif;
    background: #f4f6fa;
    color: #222;
    line-height: 1.6;
}
.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 24px;
}
header {
    background: #191a2a;
    color: #fff;
    padding: 0.5rem 0;
    position: sticky;
    top: 0;
    z-index: 100;
}
.logo {
    font-size: 1.7rem;
    font-weight: 700;
    letter-spacing: 1px;
}
.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}
nav ul {
    list-style: none;
    display: flex;
    gap: 2rem;
}
nav a {
    color: #fff;
    text-decoration: none;
    font-weight: 500;
    transition: color 0.2s;
}
nav a:hover {
    color: #4ce1b6;
}
#nav-toggle {
    display: none;
    background: none;
    border: none;
    color: #fff;
    font-size: 2rem;
    cursor: pointer;
}
.hero {
    background: linear-gradient(120deg, #191a2a 70%, #4ce1b6 100%);
    color: #fff;
    padding: 5rem 0 4rem 0;
    text-align: center;
}
.hero h1 {
    font-size: 2.8rem;
    margin-bottom: 1rem;
}
.hero p {
    font-size: 1.25rem;
    margin-bottom: 2rem;
}
.cta-btn {
    display: inline-block;
    background: #4ce1b6;
    color: #191a2a;
    padding: 0.75rem 2rem;
    border-radius: 30px;
    font-weight: bold;
    font-size: 1.1rem;
    text-decoration: none;
    transition: background 0.2s, color 0.2s;
    border: none;
    cursor: pointer;
}
.cta-btn:hover {
    background: #191a2a;
    color: #4ce1b6;
    border: 1px solid #4ce1b6;
}
section {
    padding: 4rem 0;
}
h2 {
    font-size: 2rem;
    margin-bottom: 1.5rem;
    color: #191a2a;
    text-align: center;
}
.about p {
    max-width: 650px;
    margin: 0 auto;
    text-align: center;
}

.service-grid {
    display: flex;
    gap: 2rem;
    flex-wrap: wrap;
    justify-content: center;
}
.service-card {
    background: #fff;
    border-radius: 12px;
    box-shadow: 0 2px 12px rgba(0,0,0,0.06);
    padding: 2rem;
    flex: 1 1 260px;
    max-width: 320px;
    min-width: 220px;
    text-align: center;
}
.service-card h3 {
    color: #4ce1b6;
    margin-bottom: 1rem;
}

form {
    max-width: 500px;
    margin: 0 auto;
    background: #fff;
    padding: 2rem;
    border-radius: 12px;
    box-shadow: 0 2px 12px rgba(0,0,0,0.06);
}
.form-group {
    margin-bottom: 1.2rem;
}
label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
}
input, textarea {
    width: 100%;
    padding: 0.7rem;
    border-radius: 5px;
    border: 1px solid #ccc;
}
input:focus, textarea:focus {
    outline: 2px solid #4ce1b6;
    border-color: #4ce1b6;
}
footer {
    background: #191a2a;
    color: #fff;
    text-align: center;
    padding: 1.3rem 0;
    font-size: 1rem;
    margin-top: 2rem;
}

/* Responsive styles */
@media (max-width: 900px) {
    .service-grid {
        flex-direction: column;
        gap: 1.5rem;
        align-items: center;
    }
}
@media (max-width: 700px) {
    .hero h1 {
        font-size: 2rem;
    }
    .container {
        padding: 0 12px;
    }
    section {
        padding: 2rem 0;
    }
}
@media (max-width: 600px) {
    .nav-container {
        flex-direction: column;
        align-items: flex-start;
    }
    nav ul {
        display: none;
        flex-direction: column;
        gap: 1rem;
        background: #191a2a;
        width: 100%;
        position: absolute;
        top: 60px;
        left: 0;
        padding: 1rem 0;
        z-index: 1000;
    }
    nav ul.active {
        display: flex;
    }
    #nav-toggle {
        display: block;
        margin-top: 6px;
    }
}