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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.8;
    background-color: #f8f9fa;
    color: #333;
}

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

/* Header & Navigation */
header {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 40px 0;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    position: sticky;
    top: 0;
    z-index: 100;
}

header h1 {
    font-size: 32px;
    margin-bottom: 20px;
    font-weight: 700;
    letter-spacing: -0.5px;
}

nav {
    display: flex;
    justify-content: center;
    gap: 30px;
    flex-wrap: wrap;
}

nav a {
    color: white;
    text-decoration: none;
    font-weight: 500;
    font-size: 15px;
    transition: opacity 0.3s ease;
    position: relative;
}

nav a:hover {
    opacity: 0.8;
}

nav a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background-color: white;
    transition: width 0.3s ease;
}

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

/* Main Content */
main {
    padding: 60px 20px;
}

section {
    margin-bottom: 50px;
    background: white;
    padding: 50px 40px;
    border-radius: 12px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.08);
    animation: fadeIn 0.6s ease;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

section h2 {
    font-size: 28px;
    margin-bottom: 30px;
    color: #667eea;
    font-weight: 700;
}

/* Hero Section */
#hero {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    text-align: center;
    padding: 80px 40px;
}

#hero h2 {
    color: white;
    font-size: 36px;
    margin-bottom: 15px;
}

#hero p {
    font-size: 18px;
    margin-bottom: 30px;
    opacity: 0.95;
}

/* Services Section */
#services {
    text-align: center;
}

#services ul {
    list-style: none;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    margin-top: 30px;
}

#services li {
    padding: 20px;
    background: linear-gradient(135deg, #f5f7ff 0%, #f0f4ff 100%);
    border-radius: 8px;
    font-weight: 500;
    color: #667eea;
    transition: all 0.3s ease;
    cursor: pointer;
}

#services li:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 20px rgba(102, 126, 234, 0.2);
}

/* Projects Section */
#projects {
    text-align: center;
}

.cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.card {
    background: white;
    padding: 30px;
    border-radius: 12px;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
    text-align: center;
    border-top: 4px solid #667eea;
}

.card:hover {
    transform: translateY(-10px);
    box-shadow: 0 16px 40px rgba(102, 126, 234, 0.2);
}

.card h3 {
    color: #667eea;
    font-size: 20px;
    margin-bottom: 15px;
    font-weight: 700;
}

.card p {
    color: #666;
    font-size: 15px;
    margin-bottom: 25px;
    line-height: 1.6;
}

/* Contact Section */
#contact {
    text-align: center;
}

#contact form {
    max-width: 500px;
    margin: 30px auto 0;
    text-align: left;
}

label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    color: #333;
    font-size: 14px;
}

input[type="text"],
input[type="email"],
textarea {
    width: 100%;
    padding: 12px 15px;
    margin-bottom: 20px;
    border: 2px solid #e0e0e0;
    border-radius: 8px;
    font-family: inherit;
    font-size: 14px;
    transition: all 0.3s ease;
}

input[type="text"]:focus,
input[type="email"]:focus,
textarea:focus {
    outline: none;
    border-color: #667eea;
    box-shadow: 0 0 0 4px rgba(102, 126, 234, 0.1);
}

textarea {
    resize: vertical;
    min-height: 120px;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 12px 32px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    text-decoration: none;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    font-size: 15px;
    font-weight: 600;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(102, 126, 234, 0.3);
}

.btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(102, 126, 234, 0.4);
}

.btn:active {
    transform: translateY(0);
}

button.btn {
    width: 100%;
    padding: 14px;
    margin-top: 10px;
}

/* Footer */
footer {
    text-align: center;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 30px 20px;
    margin-top: 60px;
    font-size: 14px;
}