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

body {
    font-family: 'Open Sans', sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #f9f9f9;
}

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

h1, h2, h3, h4, h5, h6 {
    font-family: 'Montserrat', sans-serif;
    font-weight: 600;
    margin-bottom: 20px;
    color: #2c3e50;
}

h1 {
    font-size: 2.8rem;
    line-height: 1.2;
}

h2 {
    font-size: 2.2rem;
    position: relative;
    padding-bottom: 15px;
    margin-bottom: 40px;
}

h2:after {
    content: '';
    position: absolute;
    left: 0;
    bottom: 0;
    width: 60px;
    height: 3px;
    background-color: #3498db;
}

section {
    padding: 80px 0;
}

p {
    margin-bottom: 20px;
    font-size: 1.05rem;
}

a {
    text-decoration: none;
    color: #3498db;
    transition: color 0.3s ease;
}

a:hover {
    color: #2980b9;
}

ul {
    list-style: none;
}

.btn {
    display: inline-block;
    background-color: #3498db;
    color: white;
    padding: 12px 28px;
    border-radius: 4px;
    font-weight: 500;
    transition: background-color 0.3s ease;
    cursor: pointer;
    border: none;
    font-family: 'Montserrat', sans-serif;
}

.btn:hover {
    background-color: #2980b9;
}

/* Header */
header {
    background-color: white;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 100;
    padding: 20px 0;
}

header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-family: 'Montserrat', sans-serif;
    font-weight: 700;
    font-size: 1.8rem;
    color: #2c3e50;
}

nav ul {
    display: flex;
}

nav ul li {
    margin-left: 30px;
}

nav ul li a {
    color: #2c3e50;
    font-weight: 500;
    font-family: 'Montserrat', sans-serif;
}

nav ul li a:hover {
    color: #3498db;
}

/* Hero Section */
.hero {
    background: linear-gradient(rgba(44, 62, 80, 0.8), rgba(44, 62, 80, 0.8)), url('https://images.unsplash.com/photo-1552664730-d307ca884978?ixlib=rb-1.2.1&auto=format&fit=crop&w=1950&q=80') center/cover no-repeat;
    min-height: 100vh;
    display: flex;
    align-items: center;
    text-align: center;
    color: white;
    margin-top: 0;
    padding: 100px 0 60px;
}

.hero h1 {
    color: white;
    margin-bottom: 30px;
    font-size: 3.5rem;
    max-width: 900px;
    margin-left: auto;
    margin-right: auto;
}

.hero p {
    font-size: 1.3rem;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
    margin-bottom: 40px;
}

/* About Section */
.about {
    background-color: white;
}

/* Expertise Section */
.expertise-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.expertise-item {
    background-color: white;
    padding: 30px;
    border-radius: 5px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.expertise-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
}

.expertise-item h3 {
    color: #3498db;
    margin-bottom: 15px;
}

/* Experience Section */
.experience {
    background-color: #f5f7fa;
    text-align: center;
}

.logos {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 30px;
    margin: 40px 0;
}

.logo-item {
    background-color: white;
    padding: 20px 30px;
    border-radius: 5px;
    box-shadow: 0 3px 10px rgba(0, 0, 0, 0.05);
    font-weight: 600;
    font-family: 'Montserrat', sans-serif;
}

.note {
    font-size: 0.9rem;
    color: #7f8c8d;
    font-style: italic;
}

/* Philosophy Section */
.philosophy {
    background-color: white;
    text-align: center;
}

.philosophy-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.philosophy-item {
    background-color: #f5f7fa;
    padding: 30px;
    border-radius: 5px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.philosophy-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
}

.philosophy-item h3 {
    color: #3498db;
    margin-bottom: 15px;
}

/* Contact Section */
.contact {
    background-color: white;
}

.form-group {
    margin-bottom: 20px;
}

input, textarea {
    width: 100%;
    padding: 12px 15px;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-family: 'Open Sans', sans-serif;
    font-size: 1rem;
}

textarea {
    min-height: 150px;
    resize: vertical;
}

.contact-info {
    margin-top: 40px;
    padding-top: 20px;
    border-top: 1px solid #eee;
}

/* Footer */
footer {
    background-color: #2c3e50;
    color: white;
    padding: 30px 0;
    text-align: center;
}

/* Responsive */
@media (max-width: 768px) {
    header {
        padding: 15px 0;
    }
    
    header .container {
        flex-direction: column;
        text-align: center;
    }
    
    .logo {
        font-size: 1.5rem;
        margin-bottom: 15px;
    }
    
    nav ul {
        justify-content: center;
    }
    
    nav ul li {
        margin: 0 10px;
    }
    
    h1 {
        font-size: 2.3rem;
    }
    
    h2 {
        font-size: 1.8rem;
    }
    
    .hero h1 {
        font-size: 2.5rem;
    }
    
    .hero p {
        font-size: 1.1rem;
    }
    
    section {
        padding: 60px 0;
    }
    
    .expertise-grid, .philosophy-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    nav ul {
        flex-wrap: wrap;
        justify-content: center;
    }
    
    nav ul li {
        margin: 5px 10px;
    }
    
    nav ul li a {
        font-size: 0.9rem;
    }
    
    .hero h1 {
        font-size: 2rem;
    }
    
    .hero p {
        font-size: 1rem;
    }
    
    .hero {
        min-height: 80vh;
        height: auto;
        padding-top: 120px;
        padding-bottom: 60px;
    }
}