/* ==================== Back Button ==================== */
.back-button {
    position: fixed;
    top: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background-color: var(--bg-button);
    border: none;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: 1000;
    box-shadow: 0 4px 12px var(--shadow);
    text-decoration: none;
    color: var(--text-primary);
}

.back-button:hover {
    transform: scale(1.1);
    background-color: var(--bg-button-hover);
}

.back-button:active {
    transform: scale(0.95);
}

.back-button svg {
    width: 24px;
    height: 24px;
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.back-button:hover svg {
    transform: translateX(3px);
}

/* ==================== Page Header ==================== */
.page-header {
    text-align: center;
    margin-bottom: 50px;
}

.page-title {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 12px;
    letter-spacing: 0.5px;
}

.page-subtitle {
    font-size: 1.1rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
    line-height: 1.8;
}

/* ==================== Contact Form ==================== */
.contact-form {
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 40px;
    margin-bottom: 50px;
    box-shadow: 0 4px 12px var(--shadow);
    transition: all 0.3s ease;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin-bottom: 20px;
}

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

.form-label {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 1rem;
    font-weight: 500;
    margin-bottom: 10px;
    color: var(--text-primary);
    direction: rtl;
    justify-content: flex-start;
}

.form-label svg {
    flex-shrink: 0;
    color: var(--text-secondary);
}

.form-input,
.form-textarea {
    width: 100%;
    padding: 14px 18px;
    background-color: var(--bg-button);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    font-family: 'Changa', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    font-size: 0.95rem;
    color: var(--text-primary);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    direction: rtl;
    text-align: right;
}

.form-input::placeholder,
.form-textarea::placeholder {
    color: var(--text-secondary);
    opacity: 0.7;
}

.form-input:focus,
.form-textarea:focus {
    outline: none;
    border-color: var(--text-primary);
    background-color: var(--bg-primary);
    box-shadow: 0 0 0 3px rgba(255, 255, 255, 0.1);
}

.form-textarea {
    resize: vertical;
    min-height: 150px;
    line-height: 1.6;
}

/* ==================== Submit Button ==================== */
.submit-button {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    width: 100%;
    padding: 18px 24px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border: none;
    border-radius: 12px;
    color: #ffffff;
    font-size: 1.1rem;
    font-weight: 600;
    font-family: 'Changa', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 6px 20px rgba(102, 126, 234, 0.4);
    flex-direction: row-reverse;
}

.submit-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(102, 126, 234, 0.6);
}

.submit-button:active {
    transform: translateY(0);
}

.submit-button .button-icon {
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.submit-button:hover .button-icon {
    transform: rotate(-10deg) scale(1.1);
}

.submit-button:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
}

/* ==================== Contact Info Section ==================== */
.contact-info {
    margin-top: 60px;
}

.info-title {
    font-size: 1.8rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: 30px;
}

.info-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

.info-card {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 24px;
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    text-decoration: none;
    color: var(--text-primary);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    flex-direction: row-reverse;
}

.info-card:hover {
    transform: translateY(-4px);
    background-color: var(--bg-button-hover);
    box-shadow: 0 8px 25px var(--shadow);
}

.info-card svg {
    flex-shrink: 0;
    color: var(--text-secondary);
    transition: all 0.3s ease;
}

.info-card:hover svg {
    color: var(--text-primary);
    transform: scale(1.1);
}

.info-content {
    flex: 1;
    text-align: right;
}

.info-content h3 {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 4px;
}

.info-content p {
    font-size: 0.9rem;
    color: var(--text-secondary);
}

/* ==================== Success/Error Messages ==================== */
.form-message {
    padding: 16px 20px;
    border-radius: 10px;
    margin-bottom: 20px;
    display: none;
    align-items: center;
    gap: 10px;
    font-weight: 500;
    animation: slideIn 0.3s ease;
}

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.form-message.success {
    background-color: rgba(34, 197, 94, 0.1);
    border: 1px solid rgba(34, 197, 94, 0.3);
    color: #22c55e;
}

.form-message.error {
    background-color: rgba(239, 68, 68, 0.1);
    border: 1px solid rgba(239, 68, 68, 0.3);
    color: #ef4444;
}

.form-message.show {
    display: flex;
}

/* ==================== Responsive Design ==================== */

/* Tablet (768px - 1024px) */
@media (max-width: 1024px) {
    .info-grid {
        grid-template-columns: 1fr;
        gap: 16px;
    }
}

/* Mobile (< 768px) */
@media (max-width: 767px) {
    .back-button {
        top: 20px;
        right: 20px;
        width: 45px;
        height: 45px;
    }

    .theme-toggle {
        top: 20px !important;
    }

    .page-header {
        margin-top: 60px;
    }

    .page-title {
        font-size: 2rem;
    }

    .page-subtitle {
        font-size: 1rem;
    }

    .contact-form {
        padding: 25px;
    }

    .form-row {
        grid-template-columns: 1fr;
        gap: 0;
    }

    .submit-button {
        font-size: 1rem;
        padding: 16px 20px;
    }

    .info-grid {
        grid-template-columns: 1fr;
    }
}

/* Small Mobile (< 400px) */
@media (max-width: 399px) {
    .page-title {
        font-size: 1.6rem;
    }

    .contact-form {
        padding: 20px;
    }

    .form-input,
    .form-textarea {
        padding: 12px 16px;
        font-size: 0.9rem;
    }

    .info-card {
        padding: 18px;
    }
}

/* ==================== Focus Styles ==================== */
.form-input:focus-visible,
.form-textarea:focus-visible,
.submit-button:focus-visible,
.back-button:focus-visible {
    outline: 2px solid var(--text-primary);
    outline-offset: 2px;
}