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

:root {
    --primary-color: #2563eb;
    --primary-dark: #1e40af;
    --text-color: #1f2937;
    --text-light: #6b7280;
    --bg-color: #f9fafb;
    --white: #ffffff;
    --border-color: #e5e7eb;
    --success-color: #10b981;
    --error-color: #ef4444;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    background-color: var(--bg-color);
    padding-top: 100px;
}

/* Navigation Bar */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background-color: var(--white);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    z-index: 1000;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 10px 20px;
    height: 100px;
    display: flex;
    justify-content: center;
    align-items: center;
    position: relative;
}

.nav-logo {
    display: flex;
    align-items: center;
}

.nav-logo-image {
    height: 80px;
    max-width: 350px;
    width: auto;
    object-fit: contain;
}

.nav-menu {
    display: flex;
    gap: 32px;
    align-items: center;
    position: absolute;
    right: 20px;
}

.nav-link {
    color: var(--text-color);
    text-decoration: none;
    font-weight: 500;
    font-size: 1rem;
    transition: color 0.2s;
    position: relative;
}

.nav-link:hover {
    color: var(--primary-color);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--primary-color);
    transition: width 0.3s;
}

.nav-link:hover::after {
    width: 100%;
}

/* Hamburger Menu */
.hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
    z-index: 1001;
    position: absolute;
    right: 20px;
}

.hamburger-line {
    width: 25px;
    height: 3px;
    background-color: var(--text-color);
    border-radius: 3px;
    transition: all 0.3s ease;
}

.hamburger.active .hamburger-line:nth-child(1) {
    transform: rotate(45deg) translate(8px, 8px);
}

.hamburger.active .hamburger-line:nth-child(2) {
    opacity: 0;
}

.hamburger.active .hamburger-line:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -7px);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 40px 20px;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* Header */
header {
    padding: 60px 0 40px;
    text-align: center;
}

.logo {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 16px;
}

.logo-image {
    max-width: 200px;
    height: auto;
    object-fit: contain;
}

.logo h1 {
    font-size: 3rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 8px;
    letter-spacing: -1px;
}

.tagline {
    font-size: 1.1rem;
    color: var(--text-light);
    font-weight: 400;
}

/* Main Content */
main {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
}

.hero {
    text-align: center;
    margin-bottom: 60px;
}

.hero h2 {
    font-size: 2rem;
    margin-bottom: 16px;
    color: var(--text-color);
}

.hero p {
    font-size: 1.125rem;
    color: var(--text-light);
}

/* Contact Section */
.contact-section {
    width: 100%;
    max-width: 600px;
    background: var(--white);
    padding: 40px;
    border-radius: 12px;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

.contact-section h3 {
    font-size: 1.75rem;
    margin-bottom: 30px;
    color: var(--text-color);
    text-align: center;
}

/* Form Styles */
.contact-form {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.form-group {
    display: flex;
    flex-direction: column;
}

.form-group label {
    font-weight: 500;
    margin-bottom: 8px;
    color: var(--text-color);
    font-size: 0.95rem;
}

.form-group input,
.form-group textarea {
    padding: 12px 16px;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    font-size: 1rem;
    font-family: inherit;
    transition: border-color 0.2s, box-shadow 0.2s;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

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

.submit-btn {
    background-color: var(--primary-color);
    color: var(--white);
    padding: 14px 32px;
    border: none;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: background-color 0.2s, transform 0.1s;
    margin-top: 10px;
}

.submit-btn:hover {
    background-color: var(--primary-dark);
}

.submit-btn:active {
    transform: scale(0.98);
}

.submit-btn:disabled {
    background-color: var(--text-light);
    cursor: not-allowed;
}

/* Form Messages */
.form-message {
    padding: 12px 16px;
    border-radius: 8px;
    font-size: 0.95rem;
    text-align: center;
    display: none;
    margin-top: 10px;
}

.form-message.success {
    background-color: #d1fae5;
    color: #065f46;
    border: 1px solid #10b981;
    display: block;
}

.form-message.error {
    background-color: #fee2e2;
    color: #991b1b;
    border: 1px solid #ef4444;
    display: block;
}

/* Footer */
footer {
    padding: 40px 0;
    text-align: center;
    color: var(--text-light);
    font-size: 0.9rem;
    border-top: 1px solid var(--border-color);
    margin-top: 60px;
}

/* Responsive Design */
@media (max-width: 768px) {
    .hamburger {
        display: flex;
    }

    .nav-menu {
        position: fixed;
        top: 100px;
        right: -100%;
        width: 280px;
        height: calc(100vh - 100px);
        background-color: var(--white);
        flex-direction: column;
        gap: 0;
        padding: 20px 0;
        box-shadow: -2px 0 8px rgba(0, 0, 0, 0.1);
        transition: right 0.3s ease;
        align-items: flex-start;
    }

    .nav-menu.active {
        right: 0;
    }

    .nav-link {
        width: 100%;
        padding: 16px 24px;
        border-bottom: 1px solid var(--border-color);
    }

    .nav-link::after {
        display: none;
    }

    .nav-logo-image {
        height: 65px;
        max-width: 280px;
    }

    .logo-image {
        max-width: 150px;
    }

    .logo h1 {
        font-size: 2.5rem;
    }

    .hero h2 {
        font-size: 1.5rem;
    }

    .contact-section {
        padding: 30px 20px;
    }

    .contact-section h3 {
        font-size: 1.5rem;
    }
}

@media (max-width: 480px) {
    .nav-logo-image {
        height: 55px;
        max-width: 240px;
    }

    .nav-menu {
        width: 250px;
    }

    .logo-image {
        max-width: 120px;
    }

    .logo h1 {
        font-size: 2rem;
    }

    header {
        padding: 40px 0 30px;
    }

    .contact-section {
        padding: 25px 15px;
    }
}