/* Reset & Base */
* {
    box-sizing: border-box;
}

body {
    font-family: 'Segoe UI', Arial, sans-serif;
    margin: 0;
    color: #2b2b2b;
    line-height: 1.6;
    background: #ffffff;
}

/* Layout */
.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Header */
.site-header {
    background: #2b2b2b;
    color: white;
    position: sticky;
    top: 0;
    z-index: 1000;
}

.site-header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 20px;
}

.logo {
    font-weight: bold;
    font-size: 18px;
}

.site-header nav a {
    color: white;
    margin-left: 20px;
    text-decoration: none;
    font-size: 14px;
    transition: opacity 0.3s ease;
}

.site-header nav a:hover {
    opacity: 0.7;
}

/* Hero */
.hero {
    background: linear-gradient(135deg, #4da6ff, #1e88e5);
    color: white;
    padding: 120px 20px;
    text-align: center;
}

.hero h1 {
    font-size: 44px;
    margin-bottom: 20px;
    font-weight: 600;
}

.hero p {
    font-size: 18px;
    margin-bottom: 35px;
    opacity: 0.95;
}

/* Buttons */
.btn {
    background: white;
    color: #1e88e5;
    padding: 14px 30px;
    text-decoration: none;
    border-radius: 6px;
    font-weight: bold;
    display: inline-block;
    transition: all 0.3s ease;
}

.btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(0,0,0,0.15);
}

/* Sections */
section {
    padding: 80px 20px;
}

h2 {
    text-align: center;
    margin-bottom: 20px;
    font-size: 28px;
}

/* Services Grid */
.service-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 25px;
    margin-top: 40px;
}

/* Cards */
.card {
    background: white;
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 8px 25px rgba(0,0,0,0.08);
    transition: all 0.3s ease;
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 35px rgba(0,0,0,0.12);
}

.card h3 {
    margin-top: 0;
    margin-bottom: 10px;
}

/* CTA */
.cta {
    background: #f5f7fa;
    text-align: center;
}

/* Contact Form */
.contact-form {
    max-width: 500px;
    margin: 30px auto 0;
    display: flex;
    flex-direction: column;
}

.contact-form input,
.contact-form textarea {
    margin-bottom: 15px;
    padding: 14px;
    border: 1px solid #ddd;
    border-radius: 6px;
    font-size: 14px;
    transition: border 0.2s ease;
}

.contact-form input:focus,
.contact-form textarea:focus {
    border-color: #1e88e5;
    outline: none;
}

.contact-form button {
    background: #1e88e5;
    color: white;
    padding: 14px;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    font-weight: bold;
    transition: all 0.3s ease;
}

.contact-form button:hover {
    background: #1669c1;
    transform: translateY(-1px);
}

/* Footer */
footer {
    background: #2b2b2b;
    color: white;
    text-align: center;
    padding: 25px;
    font-size: 14px;
}