/* ===================================
   Contact Form Section
   =================================== */
.contact-form-section {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    padding: 6rem 0;
    position: relative;
    overflow: hidden;
}

.contact-form-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg width="100" height="100" xmlns="http://www.w3.org/2000/svg"><defs><pattern id="grid" width="100" height="100" patternUnits="userSpaceOnUse"><path d="M 100 0 L 0 0 0 100" fill="none" stroke="rgba(255,255,255,0.05)" stroke-width="1"/></pattern></defs><rect width="100%" height="100%" fill="url(%23grid)"/></svg>');
    opacity: 0.3;
}

.contact-container {
    max-width: 80rem;
    margin: 0 auto;
    padding: 0 1rem;
    position: relative;
    z-index: 1;
}

@media (min-width: 640px) {
    .contact-container {
        padding: 0 1.5rem;
    }
}

@media (min-width: 1024px) {
    .contact-container {
        padding: 0 2rem;
    }
}

.contact-header {
    text-align: center;
    margin-bottom: 4rem;
}

.contact-header h2 {
    font-size: 2.25rem;
    font-weight: 800;
    color: white;
    margin-bottom: 1rem;
    letter-spacing: -0.025em;
}

@media (min-width: 640px) {
    .contact-header h2 {
        font-size: 3rem;
    }
}

.contact-header p {
    font-size: 1.125rem;
    color: rgba(255, 255, 255, 0.9);
    max-width: 42rem;
    margin: 0 auto;
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr;
    gap: 3rem;
    align-items: start;
}

@media (min-width: 1024px) {
    .contact-content {
        grid-template-columns: 1fr 2fr;
        gap: 4rem;
    }
}

.contact-info {
    display: grid;
    gap: 1.5rem;
}

.info-card {
    display: flex;
    align-items: start;
    gap: 1rem;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: var(--radius-xl);
    padding: 1.5rem;
    transition: all 0.3s;
}

.info-card:hover {
    background: rgba(255, 255, 255, 0.15);
    transform: translateY(-2px);
}

.info-card .material-symbols-outlined {
    color: white;
    font-size: 2rem;
    flex-shrink: 0;
}

.info-card h3 {
    font-size: 0.875rem;
    font-weight: 600;
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 0.25rem;
}

.info-card p {
    font-size: 1rem;
    font-weight: 600;
    color: white;
}

.contact-form {
    background: white;
    border-radius: var(--radius-2xl);
    padding: 2.5rem;
    box-shadow: var(--shadow-2xl);
}

@media (min-width: 640px) {
    .contact-form {
        padding: 3rem;
    }
}

.form-row {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.5rem;
    margin-bottom: 1.5rem;
}

@media (min-width: 640px) {
    .form-row {
        grid-template-columns: repeat(2, 1fr);
    }
}

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

.form-group label {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--color-secondary);
    margin-bottom: 0.5rem;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 0.75rem 1rem;
    border: 1px solid var(--color-gray-200);
    border-radius: var(--radius-lg);
    font-size: 1rem;
    font-family: inherit;
    color: var(--color-secondary);
    background-color: white;
    transition: all 0.2s;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(60, 131, 246, 0.1);
}

.form-group input.error,
.form-group select.error,
.form-group textarea.error {
    border-color: #ef4444;
}

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

.error-message {
    display: none;
    font-size: 0.75rem;
    color: #ef4444;
    margin-top: 0.5rem;
}

.error-message.show {
    display: block;
}

.submit-btn {
    width: 100%;
    padding: 1rem 2rem;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    font-size: 1rem;
    font-weight: 600;
    border: none;
    border-radius: var(--radius-lg);
    cursor: pointer;
    transition: all 0.3s;
    box-shadow: 0 10px 15px -3px rgba(102, 126, 234, 0.4);
    position: relative;
}

.submit-btn:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: 0 15px 25px -5px rgba(102, 126, 234, 0.5);
}

.submit-btn:disabled {
    opacity: 0.7;
    cursor: not-allowed;
}

.btn-text,
.btn-loading {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

.spinner {
    width: 16px;
    height: 16px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-top-color: white;
    border-radius: 50%;
    animation: spin 0.6s linear infinite;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

.form-message {
    margin-top: 1.5rem;
    padding: 1rem;
    border-radius: var(--radius-lg);
    font-size: 0.875rem;
    font-weight: 500;
    text-align: center;
}

.form-message.success {
    background-color: #d1fae5;
    color: #065f46;
    border: 1px solid #6ee7b7;
}

.form-message.error {
    background-color: #fee2e2;
    color: #991b1b;
    border: 1px solid #fca5a5;
}