/* ===============================
   Global Styles
================================ */
:root {
    --primary-color: #2c3e50;
    --secondary-color: #3498db;
    --accent-color: #e74c3c;
    --light-bg: #f5f7fa;
    --dark-text: #2d3436;
    --light-text: #ffffff;
    --card-bg: #ffffff;
}

* {
    box-sizing: border-box;
}

body {
    font-family: 'Segoe UI', 'Roboto', Arial, sans-serif;
    margin: 0;
    padding: 0;
    background-color: var(--light-bg);
    color: var(--dark-text);
    line-height: 1.6;
}

/* ===============================
   Header
================================ */
header {
    background: linear-gradient(135deg, #2c3e50, #1a252f);
    color: var(--light-text);
    padding: 25px 15px;
    text-align: center;
}

header h1 {
    margin: 0;
    font-size: 2rem;
    letter-spacing: 0.5px;
}

/* ===============================
   Navigation
================================ */
nav {
    margin-top: 10px;
}

nav ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

nav ul li {
    display: inline-block;
    margin: 0 12px;
}

nav ul li a {
    color: var(--light-text);
    text-decoration: none;
    font-weight: 600;
    font-size: 0.95rem;
    padding: 6px 10px;
    transition: all 0.3s ease;
}

nav ul li a:hover {
    background-color: rgba(255, 255, 255, 0.15);
    border-radius: 4px;
}

/* ===============================
   Hero Section
================================ */
.hero {
    background: linear-gradient(
        rgba(44, 62, 80, 0.75),
        rgba(44, 62, 80, 0.75)
    ),
    url('images/back.jpg') no-repeat center center / cover;
    text-align: center;
    padding: 80px 20px;
    color: var(--light-text);
}

.hero h2 {
    font-size: 2.4rem;
    margin-bottom: 15px;
}

.hero p {
    font-size: 1.1rem;
    max-width: 700px;
    margin: 0 auto 25px;
}

.hero .cta-button {
    display: inline-block;
    background-color: var(--accent-color);
    color: var(--light-text);
    padding: 14px 28px;
    text-decoration: none;
    font-weight: 600;
    border-radius: 30px;
    transition: all 0.3s ease;
}

.hero .cta-button:hover {
    background-color: #c0392b;
    transform: translateY(-2px);
}

/* ===============================
   Services Section
================================ */
.services {
    text-align: center;
    padding: 70px 20px;
    background-color: var(--card-bg);
}

.services h2 {
    font-size: 2rem;
    margin-bottom: 40px;
}

.service-item {
    display: inline-block;
    width: 30%;
    min-width: 260px;
    margin: 15px;
    padding: 30px 20px;
    background-color: var(--card-bg);
    border-radius: 12px;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
    vertical-align: top;
}

.service-item:hover {
    transform: translateY(-6px);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.12);
}

.service-item i {
    font-size: 36px;
    color: var(--secondary-color);
    margin-bottom: 15px;
}

.service-item h3 {
    margin-bottom: 10px;
    font-size: 1.2rem;
}

/* ===============================
   Contact Section
================================ */
.contact {
    padding: 70px 20px;
    background-color: var(--light-bg);
}

.contact h2 {
    text-align: center;
    margin-bottom: 30px;
}

.contact form {
    max-width: 550px;
    margin: auto;
    background: var(--card-bg);
    padding: 35px;
    border-radius: 12px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.contact label {
    display: block;
    font-weight: 600;
    margin-top: 15px;
    margin-bottom: 5px;
}

.contact input,
.contact textarea {
    width: 100%;
    padding: 12px;
    border: 1px solid #dcdde1;
    border-radius: 6px;
    font-size: 0.95rem;
}

.contact input:focus,
.contact textarea:focus {
    outline: none;
    border-color: var(--secondary-color);
}

.contact button {
    margin-top: 20px;
    width: 100%;
    background: var(--secondary-color);
    color: var(--light-text);
    padding: 14px;
    border: none;
    border-radius: 30px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

.contact button:hover {
    background: #1f6fb2;
}

/* ===============================
   Footer
================================ */
footer {
    background-color: var(--primary-color);
    color: var(--light-text);
    text-align: center;
    padding: 18px 10px;
    font-size: 0.9rem;
    margin-top: 40px;
}

/* ===============================
   Responsive Design
================================ */
@media (max-width: 900px) {
    .service-item {
        width: 45%;
    }
}

@media (max-width: 600px) {
    header h1 {
        font-size: 1.6rem;
    }

    nav ul li {
        display: block;
        margin: 8px 0;
    }

    .service-item {
        width: 100%;
    }

    .hero h2 {
        font-size: 1.8rem;
    }
}