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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    line-height: 1.6;
    color: #374151;
    background-color: #f9fafb;
}

a {
    text-decoration: none;
    color: inherit;
}

.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 24px;
}

/* Navigation */
.navbar {
    background: #ffffff;
    border-bottom: 1px solid #e5e7eb;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
}

.nav-container {
    max-width: 1100px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 24px;
}

.nav-logo a {
    font-size: 1.25rem;
    font-weight: 700;
    color: #374151;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-link {
    color: #6b7280;
    font-weight: 500;
    font-size: 0.95rem;
    transition: color 0.2s ease;
}

.nav-link:hover,
.nav-link.active {
    color: #374151;
}

.nav-cta {
    background: #374151;
    color: #ffffff;
    padding: 0.6rem 1.25rem;
    border-radius: 6px;
    font-weight: 500;
    font-size: 0.95rem;
    transition: background 0.2s ease;
}

.nav-cta:hover {
    background: #1f2937;
}

.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 5px;
}

.hamburger .bar {
    width: 25px;
    height: 2px;
    background-color: #374151;
    transition: all 0.3s ease;
}

/* Hero Section */
.hero {
    background: #f3f4f6;
    padding: 160px 0 80px;
    text-align: center;
}

.hero-container {
    max-width: 700px;
    margin: 0 auto;
    padding: 0 24px;
}

.hero-title {
    font-size: 2.75rem;
    font-weight: 700;
    color: #1f2937;
    margin-bottom: 1rem;
    line-height: 1.2;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: #6b7280;
    font-weight: 400;
}

/* Contact Section */
.contact-section {
    padding: 80px 0;
    background: #ffffff;
}

.contact-wrapper {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 4rem;
}

.contact-info {
    padding-right: 2rem;
}

.info-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: #1f2937;
    margin-bottom: 1rem;
}

.info-text {
    color: #6b7280;
    margin-bottom: 2rem;
    line-height: 1.7;
}

.info-item {
    margin-bottom: 1.5rem;
}

.info-label {
    font-size: 0.875rem;
    font-weight: 600;
    color: #9ca3af;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 0.25rem;
}

.info-value {
    font-size: 1rem;
    color: #374151;
    font-weight: 500;
}

/* Form Styles */
.contact-form {
    background: #f9fafb;
    border: 1px solid #e5e7eb;
    border-radius: 12px;
    padding: 2.5rem;
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-label {
    display: block;
    font-size: 0.95rem;
    font-weight: 500;
    color: #374151;
    margin-bottom: 0.5rem;
}

.form-input,
.form-textarea {
    width: 100%;
    padding: 0.875rem 1rem;
    border: 1px solid #d1d5db;
    border-radius: 8px;
    font-size: 1rem;
    font-family: inherit;
    color: #374151;
    background: #ffffff;
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.form-input:focus,
.form-textarea:focus {
    outline: none;
    border-color: #374151;
    box-shadow: 0 0 0 3px rgba(55, 65, 81, 0.1);
}

.form-input::placeholder,
.form-textarea::placeholder {
    color: #9ca3af;
}

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

.file-upload {
    position: relative;
}

.file-input {
    width: 100%;
    padding: 0.75rem;
    border: 1px dashed #d1d5db;
    border-radius: 8px;
    background: #ffffff;
    cursor: pointer;
}

.file-help {
    font-size: 0.8rem;
    color: #9ca3af;
    margin-top: 0.5rem;
}

.form-checkbox {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
}

.form-checkbox input {
    margin-top: 0.25rem;
    width: 18px;
    height: 18px;
    cursor: pointer;
}

.form-checkbox label {
    font-size: 0.9rem;
    color: #6b7280;
    cursor: pointer;
}

.submit-btn {
    width: 100%;
    padding: 1rem;
    background: #374151;
    color: #ffffff;
    border: none;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
}

.submit-btn:hover {
    background: #1f2937;
    transform: translateY(-2px);
}

/* IP Notice Section */
.ip-notice {
    padding: 60px 0;
    background: #f3f4f6;
}

.ip-content {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.ip-title {
    font-size: 1.25rem;
    font-weight: 700;
    color: #1f2937;
    margin-bottom: 1rem;
}

.ip-text {
    font-size: 0.95rem;
    color: #6b7280;
    line-height: 1.7;
}

/* Footer */
.footer {
    background: #ffffff;
    border-top: 1px solid #e5e7eb;
    padding: 60px 0 30px;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 40px;
    flex-wrap: wrap;
    gap: 2rem;
}

.footer-brand {
    font-size: 1.125rem;
    font-weight: 600;
    color: #374151;
}

.footer-nav {
    display: flex;
    gap: 2rem;
    flex-wrap: wrap;
}

.footer-link {
    color: #6b7280;
    font-size: 0.95rem;
    transition: color 0.2s ease;
}

.footer-link:hover {
    color: #374151;
}

.footer-bottom {
    padding-top: 30px;
    border-top: 1px solid #e5e7eb;
    text-align: center;
}

.copyright {
    color: #9ca3af;
    font-size: 0.875rem;
}

/* Responsive Design */
@media (max-width: 992px) {
    .contact-wrapper {
        grid-template-columns: 1fr;
        gap: 3rem;
    }
    
    .contact-info {
        padding-right: 0;
    }
}

@media (max-width: 768px) {
    .hamburger {
        display: flex;
    }
    
    .nav-menu {
        position: fixed;
        left: -100%;
        top: 65px;
        flex-direction: column;
        background-color: #ffffff;
        width: 100%;
        text-align: center;
        padding: 2rem 0;
        border-bottom: 1px solid #e5e7eb;
        transition: left 0.3s ease;
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .nav-menu li {
        padding: 0.75rem 0;
    }
    
    .nav-cta {
        display: none;
    }
    
    .hero {
        padding: 140px 0 60px;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-subtitle {
        font-size: 1.1rem;
    }
    
    .contact-form {
        padding: 1.5rem;
    }
    
    .footer-content {
        flex-direction: column;
        text-align: center;
    }
    
    .footer-nav {
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .hero {
        padding: 120px 0 50px;
    }
    
    .hero-title {
        font-size: 1.75rem;
    }
    
    .contact-section {
        padding: 60px 0;
    }
}
